Gabriele Cosmo
2485 lines
86 KiB
C++
2485 lines
86 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
|
|
#include "globals.hh"
|
|
#include "G4Proton.hh"
|
|
#include "G4Neutron.hh"
|
|
#include "G4LorentzRotation.hh"
|
|
#include "G4BinaryCascade.hh"
|
|
#include "G4KineticTrackVector.hh"
|
|
#include "G4ReactionProductVector.hh"
|
|
#include "G4Track.hh"
|
|
#include "G4V3DNucleus.hh"
|
|
#include "G4Fancy3DNucleus.hh"
|
|
#include "G4Scatterer.hh"
|
|
#include "G4MesonAbsorption.hh"
|
|
#include "G4ping.hh"
|
|
#include "G4Delete.hh"
|
|
|
|
#include "G4CollisionManager.hh"
|
|
#include "G4Absorber.hh"
|
|
|
|
#include "G4CollisionInitialState.hh"
|
|
#include "G4ListOfCollisions.hh"
|
|
#include "G4Fragment.hh"
|
|
#include "G4RKPropagation.hh"
|
|
|
|
#include "G4NuclearShellModelDensity.hh"
|
|
#include "G4NuclearFermiDensity.hh"
|
|
#include "G4FermiMomentum.hh"
|
|
|
|
#include "G4PreCompoundModel.hh"
|
|
#include "G4ExcitationHandler.hh"
|
|
|
|
#include "G4FermiPhaseSpaceDecay.hh"
|
|
|
|
#include <algorithm>
|
|
#include "G4ShortLivedConstructor.hh"
|
|
#include <typeinfo>
|
|
|
|
// turn on general debugging info, and consistency checks
|
|
//#define debug_G4BinaryCascade 1
|
|
|
|
// more detailed debugging -- deprecated
|
|
//#define debug_1_BinaryCascade 1
|
|
|
|
// specific debuuging info per method or functionality
|
|
//#define debug_BIC_ApplyCollision 1
|
|
//#define debug_BIC_CheckPauli 1
|
|
//#define debug_BIC_CorrectFinalPandE 1
|
|
//#define debug_BIC_Propagate 1
|
|
//#define debug_BIC_Propagate_Excitation 1
|
|
//#define debug_BIC_Propagate_finals 1
|
|
//#define debug_BIC_DoTimeStep 1
|
|
//#define debug_BIC_CorrectBarionsOnBoundary 1
|
|
//#define debug_BIC_GetExcitationEnergy 1
|
|
//#define debug_BIC_FinalNucleusMomentum 1
|
|
//#define debug_BIC_FindFragments 1
|
|
|
|
|
|
|
|
// C O N S T R U C T O R S A N D D E S T R U C T O R S
|
|
//
|
|
|
|
G4BinaryCascade::G4BinaryCascade() : G4VIntraNuclearTransportModel()
|
|
{
|
|
// initialise the resonance sector
|
|
G4ShortLivedConstructor ShortLived;
|
|
ShortLived.ConstructParticle();
|
|
|
|
theCollisionMgr = new G4CollisionManager;
|
|
theDecay=new G4BCDecay;
|
|
theImR.push_back(theDecay);
|
|
theImR.push_back(new G4Scatterer);
|
|
theImR.push_back(new G4MesonAbsorption);
|
|
thePropagator = new G4RKPropagation;
|
|
theCurrentTime = 0.;
|
|
theBCminP = 45*MeV;
|
|
theCutOnP = 90*MeV;
|
|
theCutOnPAbsorb= 0*MeV;
|
|
// G4ExcitationHandler *
|
|
theExcitationHandler = new G4ExcitationHandler;
|
|
SetDeExcitation(new G4PreCompoundModel(theExcitationHandler));
|
|
SetMinEnergy(0.0*GeV);
|
|
SetMaxEnergy(10.1*GeV);
|
|
PrintWelcomeMessage();
|
|
thePrimaryEscape = true;
|
|
thePrimaryType = 0;
|
|
}
|
|
|
|
|
|
G4BinaryCascade::G4BinaryCascade(const G4BinaryCascade& )
|
|
: G4VIntraNuclearTransportModel()
|
|
{
|
|
}
|
|
|
|
|
|
G4BinaryCascade::~G4BinaryCascade()
|
|
{
|
|
ClearAndDestroy(&theTargetList);
|
|
ClearAndDestroy(&theSecondaryList);
|
|
ClearAndDestroy(&theCapturedList);
|
|
ClearAndDestroy(&theProjectileList);
|
|
delete thePropagator;
|
|
delete theCollisionMgr;
|
|
std::for_each(theImR.begin(), theImR.end(), Delete<G4BCAction>());
|
|
delete theExcitationHandler;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
//
|
|
// I M P L E M E N T A T I O N
|
|
//
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
G4HadFinalState * G4BinaryCascade::ApplyYourself(const G4HadProjectile & aTrack,
|
|
//----------------------------------------------------------------------------
|
|
G4Nucleus & aNucleus)
|
|
{
|
|
static G4int eventcounter=0;
|
|
//if(eventcounter == 100*(eventcounter/100) )
|
|
eventcounter++;
|
|
if(getenv("BCDEBUG") ) G4cerr << " ######### Binary Cascade Reaction number starts ######### "<<eventcounter<<G4endl;
|
|
G4LorentzVector initial4Momentum = aTrack.Get4Momentum();
|
|
if(initial4Momentum.e()-initial4Momentum.m()<theBCminP)
|
|
{
|
|
return theDeExcitation->ApplyYourself(aTrack, aNucleus);
|
|
}
|
|
|
|
theParticleChange.Clear();
|
|
// initialize the G4V3DNucleus from G4Nucleus
|
|
the3DNucleus = new G4Fancy3DNucleus;
|
|
the3DNucleus->Init(aNucleus.GetN(), aNucleus.GetZ());
|
|
|
|
thePropagator->Init(the3DNucleus);
|
|
|
|
// Build a KineticTrackVector with the G4Track
|
|
G4KineticTrackVector * secondaries = new G4KineticTrackVector;
|
|
G4ParticleDefinition * definition = const_cast<G4ParticleDefinition *>(aTrack.GetDefinition());
|
|
G4ThreeVector initialPosition(0., 0., 0.); // will be set later
|
|
|
|
if(!getenv("I_Am_G4BinaryCascade_Developer") )
|
|
{
|
|
if(definition!=G4Neutron::NeutronDefinition() &&
|
|
definition!=G4Proton::ProtonDefinition() &&
|
|
definition!=G4PionPlus::PionPlusDefinition() &&
|
|
definition!=G4PionMinus::PionMinusDefinition() )
|
|
{
|
|
G4cerr << "You are using G4BinaryCascade for projectiles other than nucleons or pions."<<G4endl;
|
|
G4cerr << "If you want to continue, please switch on the developer environment: "<<G4endl;
|
|
G4cerr << "setenv I_Am_G4BinaryCascade_Developer 1 "<<G4endl<<G4endl;
|
|
throw G4HadronicException(__FILE__, __LINE__, "G4BinaryCascade - used for unvalid particle type - Fatal");
|
|
}
|
|
}
|
|
|
|
// keep primary
|
|
thePrimaryType = definition;
|
|
thePrimaryEscape = false;
|
|
|
|
// try untill an interaction will happen
|
|
G4ReactionProductVector * products = 0;
|
|
G4double radius = the3DNucleus->GetOuterRadius()+3*fermi;
|
|
G4int interactionCounter = 0;
|
|
do
|
|
{
|
|
// reset status that could be changed in previous loop event
|
|
theCollisionMgr->ClearAndDestroy();
|
|
ClearAndDestroy(&theTargetList); // clear and rebuild theTargetList
|
|
the3DNucleus->Init(aNucleus.GetN(), aNucleus.GetZ());
|
|
BuildTargetList();
|
|
G4KineticTrack * kt = new G4KineticTrack(definition, 0., initialPosition,
|
|
initial4Momentum);
|
|
// Note: secondaries has been cleared by Propagate() in the previous loop event
|
|
secondaries->push_back(kt);
|
|
|
|
while(theCollisionMgr->Entries() == 0) // until we FIND a collision...
|
|
{
|
|
theCurrentTime=0;
|
|
initialPosition=GetSpherePoint(1.1*radius, initial4Momentum); // get random position
|
|
kt->SetPosition(initialPosition); // kt is in secondaries!!
|
|
kt->SetState(G4KineticTrack::outside);
|
|
FindCollisions(secondaries);
|
|
}
|
|
if(products != NULL)
|
|
{ // free memory from previous loop event
|
|
ClearAndDestroy(products);
|
|
delete products;
|
|
}
|
|
products = Propagate(secondaries, the3DNucleus);
|
|
|
|
// --------- debug
|
|
// untill Propagate will be able to return some product...
|
|
// if(1)
|
|
// return &theParticleChange;
|
|
// --------- end debug
|
|
if(++interactionCounter>99) break;
|
|
} while(products->size() == 0); // ...untill we find an ALLOWED collision
|
|
|
|
if(products->size()==0)
|
|
{
|
|
theParticleChange.SetStatusChange(isAlive);
|
|
theParticleChange.SetEnergyChange(aTrack.GetKineticEnergy());
|
|
theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit());
|
|
return &theParticleChange;
|
|
}
|
|
// G4cout << "HKM Applyyourself: number of products " << products->size() << G4endl;
|
|
|
|
// Fill the G4ParticleChange * with products
|
|
theParticleChange.SetStatusChange(stopAndKill);
|
|
G4ReactionProductVector::iterator iter;
|
|
G4double Efinal=0;
|
|
if (std::abs(theParticleChange.GetWeightChange() -1 ) > 1e-5 )
|
|
{
|
|
G4cout <<" BIC-weight change " << theParticleChange.GetWeightChange()<< G4endl;
|
|
}
|
|
|
|
for(iter = products->begin(); iter != products->end(); ++iter)
|
|
{
|
|
G4DynamicParticle * aNew =
|
|
new G4DynamicParticle((*iter)->GetDefinition(),
|
|
(*iter)->GetTotalEnergy(),
|
|
(*iter)->GetMomentum());
|
|
if(getenv("BCDEBUG") )
|
|
{
|
|
if(std::abs(aNew->GetDefinition()->GetPDGEncoding()) >100
|
|
&& std::abs(aNew->GetDefinition()->GetPDGEncoding()) < 300) G4cout << "Pion info "<<aNew->GetDefinition()->GetPDGEncoding() <<" "<<aNew->GetKineticEnergy()<<G4endl;
|
|
}
|
|
// FixMe: should I use "position" or "time" specifyed AddSecondary() methods?
|
|
theParticleChange.AddSecondary(aNew);
|
|
|
|
// G4cout << " Secondary E - Ekin / p " <<
|
|
// (*iter)->GetDefinition()->GetParticleName() << " " <<
|
|
// (*iter)->GetTotalEnergy() << " - " <<
|
|
// (*iter)->GetKineticEnergy()<< " / " <<
|
|
// (*iter)->GetMomentum().x() << " " <<
|
|
// (*iter)->GetMomentum().y() << " " <<
|
|
// (*iter)->GetMomentum().z() << G4endl;
|
|
Efinal += (*iter)->GetTotalEnergy();
|
|
}
|
|
|
|
// G4cout << "e outgoing/ total : " << Efinal << " " << Efinal+GetFinal4Momentum().e()<< G4endl;
|
|
|
|
ClearAndDestroy(products);
|
|
delete products;
|
|
delete secondaries;
|
|
|
|
delete the3DNucleus;
|
|
the3DNucleus = NULL; // protect from wrong usage...
|
|
|
|
if(getenv("BCDEBUG") ) G4cerr << " ######### Binary Cascade Reaction number ends ######### "<<eventcounter<<G4endl;
|
|
if (std::abs(theParticleChange.GetWeightChange() -1 ) > 1e-5 )
|
|
{
|
|
G4cout <<" BIC-fin-weight change " << theParticleChange.GetWeightChange()<< G4endl;
|
|
}
|
|
return &theParticleChange;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
G4ReactionProductVector * G4BinaryCascade::Propagate(
|
|
//----------------------------------------------------------------------------
|
|
G4KineticTrackVector * secondaries, G4V3DNucleus * nucleus)
|
|
{
|
|
G4ping debug("debug_G4BinaryCascade");
|
|
debug.push_back("trial");
|
|
debug.dump();
|
|
#ifdef debug_BIC_Propagate
|
|
G4cout << "G4BinaryCascade Propagate starting -------------------------------------------------------" <<G4endl;
|
|
#endif
|
|
G4ReactionProductVector * products = new G4ReactionProductVector;
|
|
the3DNucleus = nucleus;
|
|
theOuterRadius = the3DNucleus->GetOuterRadius();
|
|
theCurrentTime=0;
|
|
// build theSecondaryList, theProjectileList and theCapturedList
|
|
ClearAndDestroy(&theCapturedList);
|
|
ClearAndDestroy(&theSecondaryList);
|
|
ClearAndDestroy(&theProjectileList);
|
|
ClearAndDestroy(&theFinalState);
|
|
std::vector<G4KineticTrack *>::iterator iter;
|
|
if(nucleus->GetMassNumber() == 1) // 1H1 is special case
|
|
{
|
|
return Propagate1H1(secondaries,nucleus);
|
|
}
|
|
|
|
for(iter = secondaries->begin(); iter != secondaries->end(); ++iter)
|
|
{
|
|
theSecondaryList.push_back(*iter);
|
|
theProjectileList.push_back(new G4KineticTrack(*(*iter)));
|
|
}
|
|
secondaries->clear(); // Don't leave "G4KineticTrack *"s in two vectors
|
|
|
|
thePropagator->Init(the3DNucleus);
|
|
|
|
// if called stand alone, build theTargetList and find first collisions
|
|
theCutOnP=90*MeV;
|
|
if(nucleus->GetMass()>30) theCutOnP = 70*MeV;
|
|
if(nucleus->GetMass()>60) theCutOnP = 50*MeV;
|
|
if(nucleus->GetMass()>120) theCutOnP = 45*MeV;
|
|
if(theCollisionMgr->Entries() == 0)
|
|
{
|
|
the3DNucleus = nucleus;
|
|
ClearAndDestroy(&theTargetList);
|
|
BuildTargetList();
|
|
FindCollisions(&theSecondaryList);
|
|
}
|
|
|
|
// thePropagator->Init(the3DNucleus);
|
|
|
|
// end of initialization: do the job now
|
|
// loop untill there are collisions
|
|
|
|
|
|
G4bool haveProducts = false;
|
|
G4int collisionCount=0;
|
|
theMomentumTransfer=0;
|
|
while(theCollisionMgr->Entries() > 0)
|
|
{
|
|
// G4cout << "Propagate Captured size: " << theCapturedList.size() << G4endl;
|
|
// FixMe: at the moment I absorb pi with mom < theCutOnp, and I capture
|
|
// p and n with mom < theCutOnP. What about antip, k and sigmas
|
|
// with mom < theCutOnP?
|
|
if(Absorb()) { // absorb secondaries
|
|
haveProducts = true;
|
|
//G4cout << "Absorb sucess " << G4endl;
|
|
}
|
|
|
|
if(Capture()) { // capture secondaries (nucleons)
|
|
haveProducts = true;
|
|
//G4cout << "Capture sucess " << G4endl;
|
|
}
|
|
|
|
// propagate to the next collision if any (collisions could have been deleted
|
|
// by previous absorption or capture)
|
|
if(theCollisionMgr->Entries() > 0)
|
|
{
|
|
G4CollisionInitialState *
|
|
nextCollision = theCollisionMgr->GetNextCollision();
|
|
|
|
debug.push_back("======> test 1"); debug.dump();
|
|
if (!DoTimeStep(nextCollision->GetCollisionTime()-theCurrentTime) )
|
|
{
|
|
// Check if nextCollision is still valid, ie. partcile did not leave nucleus
|
|
if (theCollisionMgr->GetNextCollision() != nextCollision )
|
|
{
|
|
nextCollision = 0;
|
|
}
|
|
}
|
|
debug.push_back("======> test 2"); debug.dump();
|
|
// G4cerr <<"post- DoTimeStep 1"<<G4endl;
|
|
|
|
if( nextCollision )
|
|
{
|
|
// GF for testing only, must be removed otherwise!
|
|
// theCollisionMgr->RemoveCollision(nextCollision);
|
|
debug.push_back("======> test 3"); debug.dump();
|
|
if (ApplyCollision(nextCollision))
|
|
// testing if ( true )
|
|
{
|
|
// apply the collision
|
|
//G4cerr << "ApplyCollision sucess " << G4endl;
|
|
haveProducts = true;
|
|
collisionCount++;
|
|
debug.push_back("======> test 4.1"); debug.dump();
|
|
} else {
|
|
//G4cerr << "ApplyCollision failure " << G4endl;
|
|
theCollisionMgr->RemoveCollision(nextCollision);
|
|
debug.push_back("======> test 4.2"); debug.dump();
|
|
}
|
|
}
|
|
debug.push_back("======> test 5"); debug.dump();
|
|
// G4cerr <<"post-post- DoTimeStep 1"<<G4endl;
|
|
}
|
|
}
|
|
|
|
debug.push_back("======> #### through the first loop"); debug.dump();
|
|
// No more collisions: absorb, capture and propagate the secondaries out of the nucleus
|
|
if(Absorb()) {
|
|
haveProducts = true;
|
|
// G4cout << "Absorb sucess " << G4endl;
|
|
}
|
|
|
|
if(Capture()) {
|
|
haveProducts = true;
|
|
// G4cout << "Capture sucess " << G4endl;
|
|
}
|
|
|
|
if(!haveProducts) // no collisions happened. Return an empty vector.
|
|
{
|
|
return products;
|
|
}
|
|
|
|
|
|
#ifdef debug_BIC_Propagate
|
|
G4cout << " Momentum transfer to Nucleus " << theMomentumTransfer << " " << theMomentumTransfer.mag() << G4endl;
|
|
G4cout << " Stepping particles out...... " << G4endl;
|
|
#endif
|
|
|
|
StepParticlesOut();
|
|
|
|
|
|
if ( theSecondaryList.size() > 0 )
|
|
{
|
|
#ifdef debug_G4BinaryCascade
|
|
G4cerr << "G4BinaryCascade: Warning, have active particles at end" << G4endl;
|
|
#endif
|
|
// add left secondaries to FinalSate
|
|
std::vector<G4KineticTrack *>::iterator iter;
|
|
for ( iter =theSecondaryList.begin(); iter != theSecondaryList.end(); ++iter)
|
|
{
|
|
theFinalState.push_back(*iter);
|
|
}
|
|
theSecondaryList.clear();
|
|
|
|
}
|
|
while ( theCollisionMgr->Entries() > 0 )
|
|
{
|
|
#ifdef debug_G4BinaryCascade
|
|
G4cerr << " Warning: remove left over collision " << G4endl;
|
|
#endif
|
|
theCollisionMgr->RemoveCollision(theCollisionMgr->GetNextCollision());
|
|
}
|
|
|
|
#ifdef debug_BIC_Propagate_Excitation
|
|
|
|
PrintKTVector(&theProjectileList,std::string(" theProjectileList"));
|
|
PrintKTVector(&theSecondaryList,std::string(" theSecondaryList"));
|
|
G4cout << "theTargetList size: " << theTargetList.size() << G4endl;
|
|
// PrintKTVector(&theTargetList,std::string(" theTargetList"));
|
|
PrintKTVector(&theCapturedList,std::string(" theCapturedList"));
|
|
|
|
G4cout << " ExcitE be4 Correct : " <<GetExcitationEnergy() << G4endl;
|
|
G4cout << " Mom Transfered to nucleus : " << theMomentumTransfer << " " << theMomentumTransfer.mag() << G4endl;
|
|
PrintKTVector(&theFinalState,std::string(" FinalState uncorrected"));
|
|
#endif
|
|
|
|
//
|
|
|
|
|
|
G4double ExcitationEnergy=GetExcitationEnergy();
|
|
|
|
#ifdef debug_BIC_Propagate_finals
|
|
PrintKTVector(&theFinalState,std::string(" FinalState be4 corr"));
|
|
G4cout << " Excitation Energy prefinal, #collisions:, out, captured "
|
|
<< ExcitationEnergy << " "
|
|
<< collisionCount << " "
|
|
<< theFinalState.size() << " "
|
|
<< theCapturedList.size()<<G4endl;
|
|
#endif
|
|
|
|
if (ExcitationEnergy < 0 )
|
|
{
|
|
G4int maxtry=5, ntry=0;
|
|
do {
|
|
CorrectFinalPandE();
|
|
ExcitationEnergy=GetExcitationEnergy();
|
|
} while ( ++ntry < maxtry && ExcitationEnergy < 0 );
|
|
}
|
|
|
|
#ifdef debug_BIC_Propagate_finals
|
|
PrintKTVector(&theFinalState,std::string(" FinalState corrected"));
|
|
G4cout << " Excitation Energy final, #collisions:, out, captured "
|
|
<< ExcitationEnergy << " "
|
|
<< collisionCount << " "
|
|
<< theFinalState.size() << " "
|
|
<< theCapturedList.size()<<G4endl;
|
|
#endif
|
|
|
|
|
|
if ( ExcitationEnergy < 0. )
|
|
{
|
|
// if ( ExcitationEnergy < 0. )
|
|
{
|
|
//#ifdef debug_G4BinaryCascade
|
|
// G4cerr << "G4BinaryCascade-Warning: negative excitation energy ";
|
|
// G4cerr <<ExcitationEnergy<<G4endl;
|
|
// PrintKTVector(&theFinalState,std::string("FinalState"));
|
|
// PrintKTVector(&theCapturedList,std::string("captured"));
|
|
// G4cout << "negative ExE:Final 4Momentum .mag: " << GetFinal4Momentum()
|
|
// << " "<< GetFinal4Momentum().mag()<< G4endl
|
|
// << "negative ExE:FinalNucleusMom .mag: " << GetFinalNucleusMomentum()
|
|
// << " "<< GetFinalNucleusMomentum().mag()<< G4endl;
|
|
//#endif
|
|
}
|
|
ClearAndDestroy(products);
|
|
return products; // return empty products
|
|
}
|
|
|
|
|
|
// find a fragment and call the precompound model.
|
|
G4Fragment * fragment = 0;
|
|
G4ReactionProductVector * precompoundProducts = 0;
|
|
|
|
if ( ExcitationEnergy >= 0 )
|
|
{
|
|
fragment = FindFragments();
|
|
|
|
// theDeExcitation =0;
|
|
if(fragment && fragment->GetA() >1.5) // hpw @@@@ still to add the nucleon, if one exists.
|
|
{
|
|
if (theDeExcitation)
|
|
{
|
|
precompoundProducts= theDeExcitation->DeExcite(*fragment);
|
|
delete fragment;
|
|
fragment=0;
|
|
} else if (theExcitationHandler)
|
|
{
|
|
precompoundProducts=theExcitationHandler->BreakItUp(*fragment);
|
|
delete fragment;
|
|
fragment=0;
|
|
}
|
|
} else {
|
|
if ( theTargetList.size() == 1 )
|
|
{
|
|
precompoundProducts = new G4ReactionProductVector();
|
|
std::vector<G4KineticTrack *>::iterator i=theTargetList.begin();
|
|
G4ReactionProduct * aNew = new G4ReactionProduct((*i)->GetDefinition());
|
|
aNew->SetTotalEnergy((*i)->GetDefinition()->GetPDGMass());
|
|
aNew->SetMomentum(G4ThreeVector(0)); // see boost fro preCompoundProducts below..
|
|
precompoundProducts->push_back(aNew);
|
|
} else if ( theTargetList.size() > 1)
|
|
{
|
|
precompoundProducts = new G4ReactionProductVector();
|
|
std::vector<G4KineticTrack *>::iterator aNuc;
|
|
G4LorentzVector aVec;
|
|
std::vector<G4double> masses;
|
|
G4double sumMass(0);
|
|
for ( aNuc=theTargetList.begin(); aNuc != theTargetList.end(); aNuc++)
|
|
{
|
|
G4double mass=(*aNuc)->GetDefinition()->GetPDGMass();
|
|
masses.push_back(mass);
|
|
sumMass += mass;
|
|
}
|
|
G4LorentzVector finalP=GetFinal4Momentum();
|
|
G4FermiPhaseSpaceDecay decay;
|
|
// G4cout << " some neutrons? " << masses.size() <<" " << theTargetList.size()<<" "<<finalP <<" " << finalP.mag()<<G4endl;
|
|
G4double eCMS=finalP.mag();
|
|
if ( eCMS < sumMass ) // @@GF --- Cheat!!
|
|
{
|
|
eCMS=sumMass + (2*MeV*masses.size());
|
|
finalP.setE(std::sqrt(finalP.vect().mag2() + sqr(eCMS)));
|
|
}
|
|
precompoundLorentzboost.set(finalP.boostVector());
|
|
std::vector<G4LorentzVector*> * momenta=decay.Decay(eCMS,masses);
|
|
std::vector<G4LorentzVector*>::iterator aMom=momenta->begin();
|
|
for ( aNuc=theTargetList.begin();
|
|
(aNuc != theTargetList.end()) && (aMom!=momenta->end());
|
|
aNuc++, aMom++ )
|
|
{
|
|
G4ReactionProduct * aNew = new G4ReactionProduct((*aNuc)->GetDefinition());
|
|
aNew->SetTotalEnergy((*aMom)->e());
|
|
aNew->SetMomentum((*aMom)->vect());
|
|
precompoundProducts->push_back(aNew);
|
|
// G4cout << " only neutrons? " << (*aNuc)->GetDefinition()->GetParticleName() << G4endl;
|
|
delete *aMom;
|
|
}
|
|
delete momenta;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
{
|
|
// fill in products the outgoing particles
|
|
G4double Ekinout=0;
|
|
size_t i(0);
|
|
for(i = 0; i< theFinalState.size(); i++)
|
|
{
|
|
G4KineticTrack * kt = theFinalState[i];
|
|
if(kt->GetDefinition()->IsShortLived())
|
|
{
|
|
G4KineticTrackVector * dec = kt->Decay();
|
|
G4KineticTrackVector::const_iterator jter;
|
|
for(jter=dec->begin(); jter != dec->end(); jter++)
|
|
{
|
|
theFinalState.push_back(*jter);
|
|
}
|
|
delete dec;
|
|
}
|
|
else
|
|
{
|
|
G4ReactionProduct * aNew = new G4ReactionProduct(kt->GetDefinition());
|
|
aNew->SetMomentum(kt->Get4Momentum().vect());
|
|
aNew->SetTotalEnergy(kt->Get4Momentum().e());
|
|
Ekinout += aNew->GetKineticEnergy();
|
|
if(kt->IsParticipant())
|
|
{
|
|
aNew->SetNewlyAdded(true);
|
|
}
|
|
else
|
|
{
|
|
aNew->SetNewlyAdded(false);
|
|
}
|
|
//G4cout << " Particle Ekin " << aNew->GetKineticEnergy() << G4endl;
|
|
products->push_back(aNew);
|
|
|
|
#ifdef debug_BIC_Propagate_finals
|
|
if (! kt->GetDefinition()->GetPDGStable() )
|
|
{
|
|
if (kt->GetDefinition()->IsShortLived())
|
|
{
|
|
G4cout << "final shortlived : ";
|
|
} else
|
|
{
|
|
G4cout << "final un stable : ";
|
|
}
|
|
G4cout <<kt->GetDefinition()->GetParticleName()<< G4endl;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
}
|
|
//G4cout << " Total Ekin " << Ekinout << G4endl;
|
|
}
|
|
// add precompound products to products
|
|
if ( precompoundProducts )
|
|
{
|
|
std::vector<G4ReactionProduct *>::iterator j;
|
|
for(j = precompoundProducts->begin(); j != precompoundProducts->end(); ++j)
|
|
{
|
|
// boost back to system of moving nucleus
|
|
G4LorentzVector pProduct((*j)->GetMomentum(),(*j)->GetTotalEnergy());
|
|
#ifdef debug_BIC_Propagate_finals
|
|
G4cout << " pProduct be4 boost " <<pProduct << G4endl;
|
|
#endif
|
|
pProduct *= precompoundLorentzboost;
|
|
#ifdef debug_BIC_Propagate_finals
|
|
G4cout << " pProduct aft boost " <<pProduct << G4endl;
|
|
#endif
|
|
(*j)->SetTotalEnergy(pProduct.e());
|
|
(*j)->SetMomentum(pProduct.vect());
|
|
(*j)->SetNewlyAdded(true);
|
|
products->push_back(*j);
|
|
}
|
|
|
|
precompoundProducts->clear();
|
|
delete precompoundProducts;
|
|
}
|
|
else
|
|
{
|
|
G4ReactionProduct * aNew=0;
|
|
// return nucleus e and p
|
|
if (fragment != 0 ) {
|
|
aNew = new G4ReactionProduct(G4Gamma::GammaDefinition()); // we only want to pass e/p
|
|
aNew->SetMomentum(fragment->GetMomentum().vect());
|
|
aNew->SetTotalEnergy(fragment->GetMomentum().e());
|
|
delete fragment;
|
|
fragment=0;
|
|
} else if (products->size() == 0) {
|
|
// FixMe GF: for testing without precompound, return 1 gamma of 0.01 MeV in +x
|
|
#include "G4Gamma.hh"
|
|
aNew = new G4ReactionProduct(G4Gamma::GammaDefinition());
|
|
aNew->SetMomentum(G4ThreeVector(0.01*MeV,0,0));
|
|
aNew->SetTotalEnergy(0.01*MeV);
|
|
}
|
|
if ( aNew != 0 ) products->push_back(aNew);
|
|
}
|
|
|
|
// G4cerr <<"mon - end of event "<<G4endl;
|
|
thePrimaryEscape = true;
|
|
return products;
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
G4double G4BinaryCascade::GetExcitationEnergy()
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
|
|
G4ping debug("debug_ExcitationEnergy");
|
|
// get A and Z for the residual nucleus
|
|
#ifdef debug_G4BinaryCascade
|
|
G4int finalA = theTargetList.size()+theCapturedList.size();
|
|
G4int finalZ = GetTotalCharge(theTargetList)+GetTotalCharge(theCapturedList);
|
|
if ( (currentA - finalA) != 0 || (currentZ - finalZ) != 0 )
|
|
{
|
|
G4cerr << "G4BIC:GetExcitationEnergy(): Nucleon counting error current/final{A,Z} "
|
|
<< currentA << " " << finalA << " "<< currentZ << " " << finalZ << G4endl;
|
|
}
|
|
|
|
#endif
|
|
|
|
G4double excitationE(0);
|
|
G4double nucleusMass(0);
|
|
if(currentZ>.5)
|
|
{
|
|
nucleusMass = G4ParticleTable::GetParticleTable()->GetIonTable()->GetIonMass(currentZ,currentA);
|
|
}
|
|
else if (currentZ==0 && currentA==1 )
|
|
{
|
|
nucleusMass = G4Neutron::Neutron()->GetPDGMass();
|
|
}
|
|
else
|
|
{
|
|
#ifdef debug_BinaryCascade
|
|
G4cout << "G4BinaryCascade::GetExcitationEnergy(): Warning - invalid nucleus (A,Z)=("
|
|
<< currentA << "," << currentZ << ")" << G4endl;
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
#ifdef debug_BIC_GetExcitationEnergy
|
|
debug.push_back("====> current A, Z");
|
|
debug.push_back(currentZ);
|
|
debug.push_back(currentA);
|
|
debug.push_back(finalZ);
|
|
debug.push_back(finalA);
|
|
debug.push_back(nucleusMass);
|
|
debug.push_back(GetFinalNucleusMomentum().mag());
|
|
debug.dump();
|
|
// PrintKTVector(&theTargetList, std::string(" current target list info"));
|
|
PrintKTVector(&theCapturedList, std::string(" current captured list info"));
|
|
#endif
|
|
|
|
excitationE = GetFinalNucleusMomentum().mag() - nucleusMass;
|
|
|
|
#ifdef debug_BIC_GetExcitationEnergy
|
|
// ------ debug
|
|
if ( excitationE < 0 )
|
|
{
|
|
G4cout << "negative ExE final Ion mass" <<nucleusMass<< G4endl;
|
|
G4LorentzVector Nucl_mom=GetFinalNucleusMomentum();
|
|
if(finalZ>.5) G4cout << " Final nuclmom/mass " << Nucl_mom << " " << Nucl_mom.mag()
|
|
<< " (A,Z)=("<< finalA <<","<<finalZ <<")"
|
|
<< " mass " << nucleusMass << " "
|
|
<< " excitE " << excitationE << G4endl;
|
|
|
|
|
|
G4int A = the3DNucleus->GetMassNumber();
|
|
G4int Z = the3DNucleus->GetCharge();
|
|
G4double initialExc(0);
|
|
if(Z>.5)
|
|
{
|
|
initialExc = theInitial4Mom.mag()-
|
|
G4ParticleTable::GetParticleTable()->GetIonTable()->GetIonMass(Z, A);
|
|
G4cout << " Initial nucleus A Z" << A << " " << Z << initialExc << G4endl;
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
return excitationE;
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
// P R I V A T E M E M B E R F U N C T I O N S
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
//----------------------------------------------------------------------------
|
|
void G4BinaryCascade::BuildTargetList()
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
|
|
if(!the3DNucleus->StartLoop())
|
|
{
|
|
// G4cerr << "G4BinaryCascade::BuildTargetList(): StartLoop() error!"
|
|
// << G4endl;
|
|
return;
|
|
}
|
|
|
|
G4Nucleon * nucleon;
|
|
G4ParticleDefinition * definition;
|
|
G4ThreeVector pos;
|
|
G4LorentzVector mom;
|
|
// if there are nucleon hit by higher energy models, then SUM(momenta) != 0
|
|
theInitial4Mom = G4LorentzVector(0,0,0,0);
|
|
currentA=0;
|
|
currentZ=0;
|
|
// G4RKPropagation * RKprop=(G4RKPropagation *)thePropagator;
|
|
while((nucleon = the3DNucleus->GetNextNucleon()) != NULL)
|
|
{
|
|
// check if nucleon is hit by higher energy model.
|
|
if ( ! nucleon->AreYouHit() )
|
|
{
|
|
definition = nucleon->GetDefinition();
|
|
pos = nucleon->GetPosition();
|
|
mom = nucleon->GetMomentum();
|
|
// G4cout << "Nucleus " << pos.mag()/fermi << " " << mom.e() << G4endl;
|
|
theInitial4Mom += mom;
|
|
// In the kinetic Model, the potential inside the nucleus is taken into account, and nucleons
|
|
// are on mass shell.
|
|
mom.setE( std::sqrt( mom.vect().mag2() + sqr(definition->GetPDGMass()) ) );
|
|
G4KineticTrack * kt = new G4KineticTrack(definition, 0., pos, mom);
|
|
kt->SetState(G4KineticTrack::inside);
|
|
kt->SetNucleon(nucleon);
|
|
theTargetList.push_back(kt);
|
|
++currentA;
|
|
if (definition->GetPDGCharge() > .5 ) ++currentZ;
|
|
}
|
|
}
|
|
massInNucleus = 0;
|
|
if(currentZ>.5)
|
|
{
|
|
massInNucleus = G4ParticleTable::GetParticleTable()->GetIonTable()->GetIonMass(currentZ,currentA);
|
|
} else if (currentZ==0 && currentA>=1 )
|
|
{
|
|
massInNucleus = currentA * G4Neutron::Neutron()->GetPDGMass();
|
|
} else
|
|
{
|
|
//G4cout << "G4BinaryCascade::BuildTargetList(): Warning - invalid nucleus (A,Z)=("
|
|
// << currentA << "," << currentZ << ")" << G4endl;
|
|
}
|
|
//G4cout << "G4BinaryCascade::BuildTargetList(): nucleus (A,Z)=("
|
|
// << currentA << "," << currentZ << ") mass: " << massInNucleus <<
|
|
// ", theInitial4Mom " << theInitial4Mom << G4endl;
|
|
|
|
currentInitialEnergy= theInitial4Mom.e();
|
|
G4KineticTrackVector::iterator i;
|
|
for(i = theProjectileList.begin() ; i != theProjectileList.end(); ++i)
|
|
{
|
|
currentInitialEnergy+= (*i)->GetTrackingMomentum().e();
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
void G4BinaryCascade::FindCollisions(G4KineticTrackVector * secondaries)
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
for(std::vector<G4KineticTrack *>::iterator i = secondaries->begin();
|
|
i != secondaries->end(); ++i)
|
|
{
|
|
if ( (*i)->GetTrackingMomentum().mag2() < -1.*eV )
|
|
{
|
|
G4cout << "G4BinaryCascade::FindCollisions(): negative m2:" << (*i)->GetTrackingMomentum().mag2() << G4endl;
|
|
}
|
|
for(std::vector<G4BCAction *>::iterator j = theImR.begin();
|
|
j!=theImR.end(); j++)
|
|
{
|
|
const std::vector<G4CollisionInitialState *> & aCandList
|
|
= (*j)->GetCollisions(*i, theTargetList, theCurrentTime);
|
|
for(size_t count=0; count<aCandList.size(); count++)
|
|
{
|
|
theCollisionMgr->AddCollision(aCandList[count]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void G4BinaryCascade::FindDecayCollision(G4KineticTrack * secondary)
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
if ( secondary->GetTrackingMomentum().mag2() < -1.*eV )
|
|
{
|
|
G4cout << "G4BinaryCascade::FindDecayCollision(): negative m2:" << secondary->GetTrackingMomentum().mag2() << G4endl;
|
|
}
|
|
const std::vector<G4CollisionInitialState *> & aCandList
|
|
= theDecay->GetCollisions(secondary, theTargetList, theCurrentTime);
|
|
for(size_t count=0; count<aCandList.size(); count++)
|
|
{
|
|
theCollisionMgr->AddCollision(aCandList[count]);
|
|
}
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
G4bool G4BinaryCascade::ApplyCollision(G4CollisionInitialState * collision)
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
G4ping debug("debug_ApplyCollision");
|
|
//G4cerr << "G4BinaryCascade::ApplyCollision start"<<G4endl;
|
|
G4KineticTrack * primary = collision->GetPrimary();
|
|
if(primary->GetState() != G4KineticTrack::inside)
|
|
{
|
|
#ifdef debug_BinaryCascade
|
|
G4cout << "G4BinaryCasacde::ApplyCollision(): StateError (ignored)" << primary << G4endl;
|
|
G4KineticTrackVector debug;
|
|
debug.push_back(primary);
|
|
PrintKTVector(&debug,std::string("primay- target"));
|
|
throw G4HadronicException(__FILE__, __LINE__, "G4BinaryCasacde::ApplyCollision()");
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
G4RKPropagation * RKprop=(G4RKPropagation *)thePropagator;
|
|
|
|
#ifdef debug_BIC_ApplyCollision
|
|
// G4cout << "ApplyCollisions : projte 4mom " << primary->GetTrackingMomentum()<< G4endl;
|
|
#endif
|
|
|
|
G4int initialBaryon = primary->GetDefinition()->GetBaryonNumber();
|
|
G4int initialCharge(0);
|
|
initialCharge+=G4lrint(primary->GetDefinition()->GetPDGCharge());
|
|
|
|
// for primary resonances, subtract neutron ( = proton) field ( ie. add std::abs(field))
|
|
G4int PDGcode=std::abs(primary->GetDefinition()->GetPDGEncoding());
|
|
G4LorentzVector mom4Primary=primary->Get4Momentum();
|
|
G4double initial_Efermi=RKprop->GetField(primary->GetDefinition()->GetPDGEncoding(),primary->GetPosition());
|
|
if ( PDGcode > 1000 && PDGcode != 2112 && PDGcode != 2212 )
|
|
{
|
|
initial_Efermi = RKprop->GetField(G4Neutron::Neutron()->GetPDGEncoding(),primary->GetPosition());
|
|
primary->Update4Momentum(mom4Primary.e() - initial_Efermi);
|
|
}
|
|
G4KineticTrackVector target_collection=collision->GetTargetCollection();
|
|
std::vector<G4KineticTrack *>::iterator titer;
|
|
for ( titer=target_collection.begin() ; titer!=target_collection.end(); ++titer)
|
|
{
|
|
initial_Efermi+= RKprop->GetField((*titer)->GetDefinition()->GetPDGEncoding(),(*titer)->GetPosition());
|
|
}
|
|
|
|
G4KineticTrackVector * products=0;
|
|
products = collision->GetFinalState();
|
|
|
|
// reset primary to initial state
|
|
primary->Set4Momentum(mom4Primary);
|
|
|
|
initialBaryon += collision->GetTargetBaryonNumber();
|
|
initialCharge+=G4lrint(collision->GetTargetCharge());
|
|
|
|
if(!products || products->size()==0 || !CheckPauliPrinciple(products))
|
|
{
|
|
#ifdef debug_BIC_ApplyCollision
|
|
if (products) G4cout << " ======Failed Pauli =====" << G4endl;
|
|
G4cerr << "G4BinaryCascade::ApplyCollision blocked"<<G4endl;
|
|
#endif
|
|
if (products) ClearAndDestroy(products);
|
|
if (target_collection.size() == 0 ) FindDecayCollision(primary); // for decay, sample new decay
|
|
delete products;
|
|
return false;
|
|
}
|
|
|
|
G4double final_Efermi(0);
|
|
G4KineticTrackVector resonances;
|
|
for ( std::vector<G4KineticTrack *>::iterator i =products->begin(); i != products->end(); i++)
|
|
{
|
|
G4int PDGcode=std::abs((*i)->GetDefinition()->GetPDGEncoding());
|
|
final_Efermi+=RKprop->GetField(PDGcode,(*i)->GetPosition());
|
|
if ( PDGcode > 1000 && PDGcode != 2112 && PDGcode != 2212 )
|
|
{
|
|
resonances.push_back(*i);
|
|
}
|
|
}
|
|
if ( resonances.size() > 0 )
|
|
{
|
|
G4double delta_Fermi= (initial_Efermi-final_Efermi)/resonances.size();
|
|
for (std::vector<G4KineticTrack *>::iterator res=resonances.begin(); res != resonances.end(); res++)
|
|
{
|
|
G4LorentzVector mom=(*res)->Get4Momentum();
|
|
G4double mass2=mom.mag2();
|
|
G4double newEnergy=mom.e() + delta_Fermi;
|
|
G4double newEnergy2= newEnergy*newEnergy;
|
|
if ( newEnergy2 < mass2 )
|
|
{
|
|
ClearAndDestroy(products);
|
|
if (target_collection.size() == 0 ) FindDecayCollision(primary); // for decay, sample new decay
|
|
delete products;
|
|
return false;
|
|
}
|
|
// G4cout << " correct resonance from /to " << mom.e() << " / " << newEnergy<< G4endl;
|
|
G4ThreeVector mom3=std::sqrt(newEnergy2 - mass2) * mom.vect().unit();
|
|
(*res)->Set4Momentum(G4LorentzVector(mom3,newEnergy));
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// debug block
|
|
#ifdef debug_BIC_ApplyCollision
|
|
G4KineticTrackVector debug1;
|
|
debug1.push_back(collision->GetPrimary());
|
|
PrintKTVector(&debug1,std::string(" Primary particle"));
|
|
PrintKTVector(&collision->GetTargetCollection(),std::string(" Target particles"));
|
|
PrintKTVector(products,std::string(" Scatterer products"));
|
|
|
|
G4double thisExcitation(0);
|
|
// excitation energy from this collision
|
|
// initial state:
|
|
G4double initial(0);
|
|
G4KineticTrack * kt=collision->GetPrimary();
|
|
initial += kt->Get4Momentum().e();
|
|
|
|
initial += RKprop->GetField(kt->GetDefinition()->GetPDGEncoding(),kt->GetPosition());
|
|
initial -= RKprop->GetBarrier(kt->GetDefinition()->GetPDGEncoding());
|
|
G4cout << "prim. E/field/Barr/Sum " << kt->Get4Momentum().e()
|
|
<< " " << RKprop->GetField(kt->GetDefinition()->GetPDGEncoding(),kt->GetPosition())
|
|
<< " " << RKprop->GetBarrier(kt->GetDefinition()->GetPDGEncoding())
|
|
<< " " << initial << G4endl;;
|
|
|
|
G4KineticTrackVector ktv=collision->GetTargetCollection();
|
|
for ( unsigned int it=0; it < ktv.size(); it++)
|
|
{
|
|
kt=ktv[it];
|
|
initial += kt->Get4Momentum().e();
|
|
thisExcitation += kt->GetDefinition()->GetPDGMass()
|
|
- kt->Get4Momentum().e()
|
|
- RKprop->GetField(kt->GetDefinition()->GetPDGEncoding(),kt->GetPosition());
|
|
// initial += RKprop->GetField(kt->GetDefinition()->GetPDGEncoding(),kt->GetPosition());
|
|
// initial -= RKprop->GetBarrier(kt->GetDefinition()->GetPDGEncoding());
|
|
G4cout << "Targ. def/E/field/Barr/Sum " << kt->GetDefinition()->GetPDGEncoding()
|
|
<< " " << kt->Get4Momentum().e()
|
|
<< " " << RKprop->GetField(kt->GetDefinition()->GetPDGEncoding(),kt->GetPosition())
|
|
<< " " << RKprop->GetBarrier(kt->GetDefinition()->GetPDGEncoding())
|
|
<< " " << initial <<" Excit " << thisExcitation << G4endl;;
|
|
}
|
|
|
|
G4double final(0);
|
|
G4double mass_out(0);
|
|
G4int product_barions(0);
|
|
for ( unsigned int it=0; it < products->size(); it++)
|
|
{
|
|
kt=(*products)[it];
|
|
final += kt->Get4Momentum().e();
|
|
final += RKprop->GetField(kt->GetDefinition()->GetPDGEncoding(),kt->GetPosition());
|
|
final += RKprop->GetBarrier(kt->GetDefinition()->GetPDGEncoding());
|
|
if ( kt->GetDefinition()->GetBaryonNumber()==1 ) product_barions++;
|
|
mass_out += kt->GetDefinition()->GetPDGMass();
|
|
G4cout << "sec. def/E/field/Barr/Sum " << kt->GetDefinition()->GetPDGEncoding()
|
|
<< " " << kt->Get4Momentum().e()
|
|
<< " " << RKprop->GetField(kt->GetDefinition()->GetPDGEncoding(),kt->GetPosition())
|
|
<< " " << RKprop->GetBarrier(kt->GetDefinition()->GetPDGEncoding())
|
|
<< " " << final << G4endl;;
|
|
}
|
|
|
|
|
|
G4int finalA = currentA - product_barions;
|
|
G4int finalZ = currentZ - GetTotalCharge(*products);
|
|
G4double delta = G4ParticleTable::GetParticleTable()->GetIonTable()->GetIonMass(currentZ,currentA)
|
|
- (G4ParticleTable::GetParticleTable()->GetIonTable()->GetIonMass(finalZ,finalA)
|
|
+ mass_out);
|
|
G4cout << " current/final a,z " << currentA << " " << currentZ << " "<< finalA<< " "<< finalZ
|
|
<< " delta-mass " << delta<<G4endl;
|
|
final+=delta;
|
|
mass_out = G4ParticleTable::GetParticleTable()->GetIonTable()->GetIonMass(finalZ,finalA);
|
|
G4cout << " initE/ E_out/ Mfinal/ Excit " << currentInitialEnergy
|
|
<< " " << final << " "
|
|
<< mass_out<<" "
|
|
<< currentInitialEnergy - final - mass_out
|
|
<< G4endl;
|
|
currentInitialEnergy-=final;
|
|
#endif
|
|
|
|
G4int finalBaryon(0);
|
|
G4int finalCharge(0);
|
|
for(size_t ig=0;ig<products->size();ig++)
|
|
{
|
|
finalBaryon+=products->operator[](ig)->GetDefinition()->GetBaryonNumber();
|
|
finalCharge+=G4lrint(products->operator[](ig)->GetDefinition()->GetPDGCharge());
|
|
// secondaries are created inside nucleus
|
|
products->operator[](ig)->SetState(G4KineticTrack::inside);
|
|
}
|
|
|
|
currentA += finalBaryon-initialBaryon;
|
|
currentZ += finalCharge-initialCharge;
|
|
|
|
G4KineticTrackVector oldSecondaries;
|
|
oldSecondaries.push_back(primary);
|
|
#ifdef debug_G4BinaryCascade
|
|
if ( (finalBaryon-initialBaryon) != 0 || (finalCharge-initialCharge) != 0 )
|
|
{
|
|
G4cout << "G4BinaryCascade: Error in Balancing: " << G4endl;
|
|
G4cout << "initial/final baryon number, initial/final Charge "
|
|
<< initialBaryon <<" "<< finalBaryon <<" "
|
|
<< initialCharge <<" "<< finalCharge <<" "
|
|
<< " in Collision type: "<< typeid(*collision->GetGenerator()).name()
|
|
<< ", with number of products: "<< products->size() <<G4endl;
|
|
G4cout << G4endl<<"Initial condition are these:"<<G4endl;
|
|
G4cout << "proj: "<<collision->GetPrimary()->GetDefinition()->GetParticleName()<<G4endl;
|
|
for(size_t it=0; it<collision->GetTargetCollection().size(); it++)
|
|
{
|
|
G4cout << "targ: "
|
|
<<collision->GetTargetCollection()[it]->GetDefinition()->GetParticleName()<<G4endl;
|
|
}
|
|
PrintKTVector(&collision->GetTargetCollection(),std::string(" Target particles"));
|
|
G4cout << G4endl<<G4endl;
|
|
}
|
|
#endif
|
|
|
|
G4KineticTrackVector oldTarget = collision->GetTargetCollection();
|
|
primary->Hit();
|
|
for(size_t ii=0; ii< oldTarget.size(); ii++)
|
|
{
|
|
oldTarget[ii]->Hit();
|
|
}
|
|
|
|
debug.push_back("=======> we have hit nucleons <=======");
|
|
|
|
UpdateTracksAndCollisions(&oldSecondaries, &oldTarget, products);
|
|
std::for_each(oldSecondaries.begin(), oldSecondaries.end(), Delete<G4KineticTrack>());
|
|
std::for_each(oldTarget.begin(), oldTarget.end(), Delete<G4KineticTrack>());
|
|
|
|
delete products;
|
|
return true;
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
G4bool G4BinaryCascade::Absorb()
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
// Do it in two step: cannot change theSecondaryList inside the first loop.
|
|
G4Absorber absorber(theCutOnPAbsorb);
|
|
|
|
// Build the vector of G4KineticTracks that must be absorbed
|
|
G4KineticTrackVector absorbList;
|
|
std::vector<G4KineticTrack *>::iterator iter;
|
|
for(iter = theSecondaryList.begin();
|
|
iter != theSecondaryList.end(); ++iter)
|
|
{
|
|
G4KineticTrack * kt = *iter;
|
|
if(kt->GetState() == G4KineticTrack::inside)// absorption happens only inside the nucleus
|
|
{
|
|
if(absorber.WillBeAbsorbed(*kt))
|
|
{
|
|
absorbList.push_back(kt);
|
|
}
|
|
}
|
|
}
|
|
|
|
if(absorbList.empty())
|
|
return false;
|
|
|
|
G4KineticTrackVector toDelete;
|
|
for(iter = absorbList.begin(); iter != absorbList.end(); ++iter)
|
|
{
|
|
G4KineticTrack * kt = *iter;
|
|
if(!absorber.FindAbsorbers(*kt, theTargetList))
|
|
throw G4HadronicException(__FILE__, __LINE__, "G4BinaryCascade::Absorb(): Cannot absorb a particle.");
|
|
|
|
if(!absorber.FindProducts(*kt))
|
|
throw G4HadronicException(__FILE__, __LINE__, "G4BinaryCascade::Absorb(): Cannot absorb a particle.");
|
|
|
|
G4KineticTrackVector * products = absorber.GetProducts();
|
|
// ------ debug
|
|
G4int count = 0;
|
|
// ------ end debug
|
|
while(!CheckPauliPrinciple(products))
|
|
{
|
|
// ------ debug
|
|
count++;
|
|
// ------ end debug
|
|
ClearAndDestroy(products);
|
|
if(!absorber.FindProducts(*kt))
|
|
throw G4HadronicException(__FILE__, __LINE__,
|
|
"G4BinaryCascade::Absorb(): Cannot absorb a particle.");
|
|
}
|
|
// ------ debug
|
|
// G4cerr << "Absorb CheckPauliPrinciple count= " << count << G4endl;
|
|
// ------ end debug
|
|
G4KineticTrackVector toRemove; // build a vector for UpdateTrack...
|
|
toRemove.push_back(kt);
|
|
toDelete.push_back(kt); // delete the track later
|
|
G4KineticTrackVector * absorbers = absorber.GetAbsorbers();
|
|
UpdateTracksAndCollisions(&toRemove, absorbers, products);
|
|
ClearAndDestroy(absorbers);
|
|
}
|
|
ClearAndDestroy(&toDelete);
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
// Capture all p and n with Energy < theCutOnP
|
|
//----------------------------------------------------------------------------
|
|
G4bool G4BinaryCascade::Capture(G4bool verbose)
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
G4KineticTrackVector captured;
|
|
G4bool capture = false;
|
|
std::vector<G4KineticTrack *>::iterator i;
|
|
|
|
G4RKPropagation * RKprop=(G4RKPropagation *)thePropagator;
|
|
|
|
G4double capturedEnergy = 0;
|
|
G4int particlesAboveCut=0;
|
|
G4int particlesBelowCut=0;
|
|
if ( verbose ) G4cout << " Capture: secondaries " << theSecondaryList.size() << G4endl;
|
|
for(i = theSecondaryList.begin(); i != theSecondaryList.end(); ++i)
|
|
{
|
|
G4KineticTrack * kt = *i;
|
|
if (verbose) G4cout << "Capture position, radius, state " <<kt->GetPosition().mag()<<" "<<theOuterRadius<<" "<<kt->GetState()<<G4endl;
|
|
if(kt->GetState() == G4KineticTrack::inside) // capture happens only inside the nucleus
|
|
{
|
|
if((kt->GetDefinition() == G4Proton::Proton()) ||
|
|
(kt->GetDefinition() == G4Neutron::Neutron()))
|
|
{
|
|
//GF cut on kinetic energy if(kt->Get4Momentum().vect().mag() >= theCutOnP)
|
|
G4double field=RKprop->GetField(kt->GetDefinition()->GetPDGEncoding(),kt->GetPosition())
|
|
-RKprop->GetBarrier(kt->GetDefinition()->GetPDGEncoding());
|
|
G4double energy= kt->Get4Momentum().e() - kt->GetActualMass() + field;
|
|
if (verbose ) G4cout << "Capture: .e(), mass, field, energy" << kt->Get4Momentum().e() <<" "<<kt->GetActualMass()<<" "<<field<<" "<<energy<< G4endl;
|
|
// if( energy < theCutOnP )
|
|
// {
|
|
capturedEnergy+=energy;
|
|
++particlesBelowCut;
|
|
// } else
|
|
// {
|
|
// ++particlesAboveCut;
|
|
// }
|
|
}
|
|
}
|
|
}
|
|
if (verbose) G4cout << "Capture particlesAboveCut,particlesBelowCut, capturedEnergy,capturedEnergy/particlesBelowCut <? 0.2*theCutOnP "
|
|
<< particlesAboveCut << " " << particlesBelowCut << " " << capturedEnergy
|
|
<< " " << capturedEnergy/particlesBelowCut << " " << 0.2*theCutOnP << G4endl;
|
|
// if(particlesAboveCut==0 && particlesBelowCut>0 && capturedEnergy/particlesBelowCut<0.2*theCutOnP)
|
|
if(particlesBelowCut>0 && capturedEnergy/particlesBelowCut<0.2*theCutOnP)
|
|
{
|
|
capture=true;
|
|
for(i = theSecondaryList.begin(); i != theSecondaryList.end(); ++i)
|
|
{
|
|
G4KineticTrack * kt = *i;
|
|
if(kt->GetState() == G4KineticTrack::inside) // capture happens only inside the nucleus
|
|
{
|
|
if((kt->GetDefinition() == G4Proton::Proton()) ||
|
|
(kt->GetDefinition() == G4Neutron::Neutron()))
|
|
{
|
|
captured.push_back(kt);
|
|
kt->Hit(); //
|
|
theCapturedList.push_back(kt);
|
|
}
|
|
}
|
|
}
|
|
UpdateTracksAndCollisions(&captured, NULL, NULL);
|
|
}
|
|
|
|
return capture;
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
G4bool G4BinaryCascade::CheckPauliPrinciple(G4KineticTrackVector * products)
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
G4int A = the3DNucleus->GetMassNumber();
|
|
G4int Z = the3DNucleus->GetCharge();
|
|
|
|
G4FermiMomentum fermiMom;
|
|
fermiMom.Init(A, Z);
|
|
|
|
const G4VNuclearDensity * density=the3DNucleus->GetNuclearDensity();
|
|
|
|
G4KineticTrackVector::iterator i;
|
|
G4ParticleDefinition * definition;
|
|
|
|
// ------ debug
|
|
G4bool myflag = true;
|
|
// ------ end debug
|
|
// G4ThreeVector xpos(0);
|
|
for(i = products->begin(); i != products->end(); ++i)
|
|
{
|
|
definition = (*i)->GetDefinition();
|
|
if((definition == G4Proton::Proton()) ||
|
|
(definition == G4Neutron::Neutron()))
|
|
{
|
|
G4ThreeVector pos = (*i)->GetPosition();
|
|
G4double d = density->GetDensity(pos);
|
|
// energy correspondiing to fermi momentum
|
|
G4double eFermi = std::sqrt( sqr(fermiMom.GetFermiMomentum(d)) + (*i)->Get4Momentum().mag2() );
|
|
if( definition == G4Proton::Proton() )
|
|
{
|
|
eFermi -= the3DNucleus->CoulombBarrier();
|
|
}
|
|
G4LorentzVector mom = (*i)->Get4Momentum();
|
|
// ------ debug
|
|
/*
|
|
* G4cout << "p:[" << (1/MeV)*mom.x() << " " << (1/MeV)*mom.y() << " "
|
|
* << (1/MeV)*mom.z() << "] |p3|:"
|
|
* << (1/MeV)*mom.vect().mag() << " E:" << (1/MeV)*mom.t() << " ] m: "
|
|
* << (1/MeV)*mom.mag() << " pos["
|
|
* << (1/fermi)*pos.x() << " "<< (1/fermi)*pos.y() << " "
|
|
* << (1/fermi)*pos.z() << "] |Dpos|: "
|
|
* << (1/fermi)*(pos-xpos).mag() << " Pfermi:"
|
|
* << (1/MeV)*p << G4endl;
|
|
* xpos=pos;
|
|
*/
|
|
// ------ end debug
|
|
if(mom.e() < eFermi )
|
|
{
|
|
// ------ debug
|
|
myflag = false;
|
|
// ------ end debug
|
|
// return false;
|
|
}
|
|
}
|
|
}
|
|
#ifdef debug_BIC_CheckPauli
|
|
if ( myflag )
|
|
{
|
|
for(i = products->begin(); i != products->end(); ++i)
|
|
{
|
|
definition = (*i)->GetDefinition();
|
|
if((definition == G4Proton::Proton()) ||
|
|
(definition == G4Neutron::Neutron()))
|
|
{
|
|
G4ThreeVector pos = (*i)->GetPosition();
|
|
G4double d = density->GetDensity(pos);
|
|
G4double pFermi = fermiMom.GetFermiMomentum(d);
|
|
G4LorentzVector mom = (*i)->Get4Momentum();
|
|
G4double field =((G4RKPropagation*)thePropagator)->GetField(definition->GetPDGEncoding(),pos);
|
|
if ( mom.e()-mom.mag()+field > 160*MeV )
|
|
{
|
|
G4cout << "momentum problem pFermi=" << pFermi
|
|
<< " mom, mom.m " << mom << " " << mom.mag()
|
|
<< " field " << field << G4endl;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return myflag;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void G4BinaryCascade::StepParticlesOut()
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
G4int counter=0;
|
|
G4int countreset=0;
|
|
//G4cout << " nucl. Radius " << radius << G4endl;
|
|
// G4cerr <<"pre-while- theSecondaryList "<<G4endl;
|
|
while( theSecondaryList.size() > 0 )
|
|
{
|
|
G4int nsec=0;
|
|
G4double minTimeStep = 1.e-12*ns; // about 30*fermi/(0.1*c_light);1.e-12*ns
|
|
// i.e. a big step
|
|
std::vector<G4KineticTrack *>::iterator i;
|
|
for(i = theSecondaryList.begin(); i != theSecondaryList.end(); ++i)
|
|
{
|
|
G4KineticTrack * kt = *i;
|
|
if( kt->GetState() == G4KineticTrack::inside )
|
|
{
|
|
nsec++;
|
|
G4double tStep(0), tdummy(0);
|
|
((G4RKPropagation*)thePropagator)->GetSphereIntersectionTimes(kt,tdummy,tStep);
|
|
#ifdef debug_BIC_StepParticlesOut
|
|
G4cout << " minTimeStep, tStep Particle " <<minTimeStep << " " <<tStep
|
|
<< " " <<kt->GetDefinition()->GetParticleName()
|
|
<< " 4mom " << kt->GetTrackingMomentum()<<G4endl;
|
|
#endif
|
|
if(tStep<minTimeStep && tStep> 0 )
|
|
{
|
|
minTimeStep = tStep;
|
|
}
|
|
} else if ( kt->GetState() != G4KineticTrack::outside ){
|
|
PrintKTVector(&theSecondaryList, std::string(" state ERROR....."));
|
|
throw G4HadronicException(__FILE__, __LINE__, "G4BinaryCascade::StepParticlesOut() particle not in nucleus");
|
|
}
|
|
}
|
|
minTimeStep *= 1.2;
|
|
// G4cerr << "CaptureCount = "<<counter<<" "<<nsec<<" "<<minTimeStep<<" "<<1*ns<<G4endl;
|
|
G4double timeToCollision=DBL_MAX;
|
|
G4CollisionInitialState * nextCollision=0;
|
|
if(theCollisionMgr->Entries() > 0)
|
|
{
|
|
nextCollision = theCollisionMgr->GetNextCollision();
|
|
timeToCollision = nextCollision->GetCollisionTime()-theCurrentTime;
|
|
}
|
|
if ( timeToCollision > minTimeStep )
|
|
{
|
|
DoTimeStep(minTimeStep);
|
|
++counter;
|
|
} else
|
|
{
|
|
if (!DoTimeStep(timeToCollision) )
|
|
{
|
|
// Check if nextCollision is still valid, ie. partcile did not leave nucleus
|
|
if (theCollisionMgr->GetNextCollision() != nextCollision )
|
|
{
|
|
nextCollision = 0;
|
|
}
|
|
}
|
|
// G4cerr <<"post- DoTimeStep 3"<<G4endl;
|
|
|
|
if(nextCollision)
|
|
{
|
|
if ( ApplyCollision(nextCollision))
|
|
{
|
|
// G4cout << "ApplyCollision sucess " << G4endl;
|
|
} else
|
|
{
|
|
theCollisionMgr->RemoveCollision(nextCollision);
|
|
}
|
|
}
|
|
}
|
|
|
|
if(countreset>100)
|
|
{
|
|
#ifdef debug_G4BinaryCascade
|
|
G4cerr << "G4BinaryCascade.cc: Warning - aborting looping particle(s)" << G4endl;
|
|
#endif
|
|
|
|
// add left secondaries to FinalSate
|
|
std::vector<G4KineticTrack *>::iterator iter;
|
|
for ( iter =theSecondaryList.begin(); iter != theSecondaryList.end(); ++iter)
|
|
{
|
|
theFinalState.push_back(*iter);
|
|
}
|
|
theSecondaryList.clear();
|
|
|
|
break;
|
|
}
|
|
|
|
if(Absorb())
|
|
{
|
|
// haveProducts = true;
|
|
// G4cout << "Absorb sucess " << G4endl;
|
|
}
|
|
|
|
if(Capture(false))
|
|
{
|
|
// haveProducts = true;
|
|
#ifdef debug_BIC_StepParticlesOut
|
|
G4cout << "Capture sucess " << G4endl;
|
|
#endif
|
|
}
|
|
if ( counter > 100 && theCollisionMgr->Entries() == 0) // no collision, and stepping a while....
|
|
{
|
|
#ifdef debug_1_BinaryCascade
|
|
PrintKTVector(&theSecondaryList,std::string("stepping 100 steps"));
|
|
#endif
|
|
FindCollisions(&theSecondaryList);
|
|
counter=0;
|
|
++countreset;
|
|
}
|
|
}
|
|
// G4cerr <<"Finished capture loop "<<G4endl;
|
|
|
|
//G4cerr <<"pre- DoTimeStep 4"<<G4endl;
|
|
DoTimeStep(DBL_MAX);
|
|
//G4cerr <<"post- DoTimeStep 4"<<G4endl;
|
|
|
|
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void G4BinaryCascade::CorrectFinalPandE()
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
// Modify momenta of outgoing particles.
|
|
// Assume two body decay, nucleus(@nominal mass) + sum of final state particles(SFSP).
|
|
// momentum of SFSP shall be less than momentum for two body decay.
|
|
//
|
|
{
|
|
#ifdef debug_BIC_CorrectFinalPandE
|
|
G4cerr << " -CorrectFinalPandE 1" << G4endl;
|
|
#endif
|
|
|
|
if ( theFinalState.size() == 0 ) return;
|
|
|
|
#ifdef debug_BIC_CorrectFinalPandE
|
|
G4cerr << " -CorrectFinalPandE 2" << G4endl;
|
|
#endif
|
|
|
|
G4KineticTrackVector::iterator i;
|
|
G4LorentzVector pNucleus=GetFinal4Momentum();
|
|
if ( pNucleus.e() == 0 ) return; // check against explicit 0 from GetNucleus4Momentum()
|
|
#ifdef debug_BIC_CorrectFinalPandE
|
|
G4cerr << " -CorrectFinalPandE 3" << G4endl;
|
|
#endif
|
|
G4LorentzVector pFinals(0);
|
|
G4int nFinals(0);
|
|
for(i = theFinalState.begin(); i != theFinalState.end(); ++i)
|
|
{
|
|
pFinals += (*i)->Get4Momentum();
|
|
++nFinals;
|
|
#ifdef debug_BIC_CorrectFinalPandE
|
|
G4cout <<"CorrectFinalPandE a final " << (*i)->GetDefinition()->GetParticleName()
|
|
<< " 4mom " << (*i)->Get4Momentum()<< G4endl;
|
|
#endif
|
|
}
|
|
#ifdef debug_BIC_CorrectFinalPandE
|
|
G4cout << "CorrectFinalPandE pN pF: " <<pNucleus << " " <<pFinals << G4endl;
|
|
#endif
|
|
G4LorentzVector pCM=pNucleus + pFinals;
|
|
|
|
G4LorentzRotation toCMS(-pCM.boostVector());
|
|
pFinals *=toCMS;
|
|
|
|
#ifdef debug_BIC_CorrectFinalPandE
|
|
G4cout << "CorrectFinalPandE pCM, CMS pCM " << pCM << " " <<toCMS*pCM<< G4endl;
|
|
G4cout << "CorrectFinal CMS pN pF " <<toCMS*pNucleus << " "
|
|
<<pFinals << G4endl
|
|
<< " nucleus initial mass : " <<GetFinal4Momentum().mag()
|
|
<<" massInNucleus m(nucleus) m(finals) std::sqrt(s): " << massInNucleus << " " <<pNucleus.mag()<< " "
|
|
<< pFinals.mag() << " " << pCM.mag() << G4endl;
|
|
#endif
|
|
|
|
G4LorentzRotation toLab = toCMS.inverse();
|
|
|
|
G4double s = pCM.mag2();
|
|
// G4double m10 = massInNucleus; //pNucleus.mag();
|
|
G4double m10 = GetIonMass(currentZ,currentA);
|
|
G4double m20 = pFinals.mag();
|
|
if( s-(m10+m20)*(m10+m20) < 0 )
|
|
{
|
|
#ifdef debug_BIC_CorrectFinalPandE
|
|
G4cout << "G4BinaryCascade::CorrectFinalPandE() : error! " << G4endl;
|
|
|
|
G4cout << "not enough mass to correct: mass, A,Z, mass(nucl), mass(finals) "
|
|
<< std::sqrt(-s+(m10+m20)*(m10+m20)) << " "
|
|
<< currentA << " " << currentZ << " "
|
|
<< m10 << " " << m20
|
|
<< G4endl;
|
|
G4cerr << " -CorrectFinalPandE 4" << G4endl;
|
|
|
|
PrintKTVector(&theFinalState," mass problem");
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
// Three momentum in cm system
|
|
G4double pInCM = std::sqrt((s-(m10+m20)*(m10+m20))*(s-(m10-m20)*(m10-m20))/(4.*s));
|
|
#ifdef debug_BIC_CorrectFinalPandE
|
|
G4cout <<" CorrectFinalPandE pInCM new, CURRENT, ratio : " << pInCM
|
|
<< " " << (pFinals).vect().mag()<< " " << pInCM/(pFinals).vect().mag() << G4endl;
|
|
#endif
|
|
if ( pFinals.vect().mag() > pInCM )
|
|
{
|
|
G4ThreeVector p3finals=pInCM*pFinals.vect().unit();
|
|
|
|
// G4ThreeVector deltap=(p3finals - pFinals.vect() ) / nFinals;
|
|
G4double factor=std::max(0.98,pInCM/pFinals.vect().mag()); // small correction
|
|
G4LorentzVector qFinals(0);
|
|
for(i = theFinalState.begin(); i != theFinalState.end(); ++i)
|
|
{
|
|
// G4ThreeVector p3((toCMS*(*i)->Get4Momentum()).vect() + deltap);
|
|
G4ThreeVector p3(factor*(toCMS*(*i)->Get4Momentum()).vect());
|
|
G4LorentzVector p(p3,std::sqrt((*i)->Get4Momentum().mag2() + p3.mag2()));
|
|
qFinals += p;
|
|
p *= toLab;
|
|
#ifdef debug_BIC_CorrectFinalPandE
|
|
G4cout << " final p corrected: " << p << G4endl;
|
|
#endif
|
|
(*i)->Set4Momentum(p);
|
|
}
|
|
#ifdef debug_BIC_CorrectFinalPandE
|
|
G4cout << "CorrectFinalPandE nucleus corrected mass : " << GetFinal4Momentum() << " "
|
|
<<GetFinal4Momentum().mag() << G4endl
|
|
<< " CMS pFinals , mag, 3.mag : " << qFinals << " " << qFinals.mag() << " " << qFinals.vect().mag()<< G4endl;
|
|
G4cerr << " -CorrectFinalPandE 5 " << factor << G4endl;
|
|
#endif
|
|
}
|
|
#ifdef debug_BIC_CorrectFinalPandE
|
|
else { G4cerr << " -CorrectFinalPandE 6 - no correction done" << G4endl; }
|
|
#endif
|
|
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void G4BinaryCascade::UpdateTracksAndCollisions(
|
|
//----------------------------------------------------------------------------
|
|
G4KineticTrackVector * oldSecondaries,
|
|
G4KineticTrackVector * oldTarget,
|
|
G4KineticTrackVector * newSecondaries)
|
|
{
|
|
// G4cout << "Entering ... "<<oldTarget<<G4endl;
|
|
std::vector<G4KineticTrack *>::iterator iter1, iter2;
|
|
|
|
// remove old secondaries from the secondary list
|
|
if(oldSecondaries)
|
|
{
|
|
if(!oldSecondaries->empty())
|
|
{
|
|
for(iter1 = oldSecondaries->begin(); iter1 != oldSecondaries->end();
|
|
++iter1)
|
|
{
|
|
iter2 = std::find(theSecondaryList.begin(), theSecondaryList.end(),
|
|
*iter1);
|
|
theSecondaryList.erase(iter2);
|
|
}
|
|
theCollisionMgr->RemoveTracksCollisions(oldSecondaries);
|
|
}
|
|
}
|
|
|
|
// remove old target from the target list
|
|
if(oldTarget)
|
|
{
|
|
// G4cout << "################## Debugging 0 "<<G4endl;
|
|
if(oldTarget->size()!=0)
|
|
{
|
|
// G4cout << "################## Debugging 1 "<<oldTarget->size()<<G4endl;
|
|
for(iter1 = oldTarget->begin(); iter1 != oldTarget->end(); ++iter1)
|
|
{
|
|
iter2 = std::find(theTargetList.begin(), theTargetList.end(),
|
|
*iter1);
|
|
theTargetList.erase(iter2);
|
|
}
|
|
theCollisionMgr->RemoveTracksCollisions(oldTarget);
|
|
}
|
|
}
|
|
|
|
if(newSecondaries)
|
|
{
|
|
if(!newSecondaries->empty())
|
|
{
|
|
// insert new secondaries in the secondary list
|
|
for(iter1 = newSecondaries->begin(); iter1 != newSecondaries->end();
|
|
++iter1)
|
|
{
|
|
theSecondaryList.push_back(*iter1);
|
|
}
|
|
// look for collisions of new secondaries
|
|
FindCollisions(newSecondaries);
|
|
}
|
|
}
|
|
// G4cout << "Exiting ... "<<oldTarget<<G4endl;
|
|
}
|
|
|
|
|
|
class SelectFromKTV
|
|
{
|
|
private:
|
|
G4KineticTrackVector * ktv;
|
|
G4KineticTrack::CascadeState wanted_state;
|
|
public:
|
|
SelectFromKTV(G4KineticTrackVector * out, G4KineticTrack::CascadeState astate)
|
|
:
|
|
ktv(out), wanted_state(astate)
|
|
{};
|
|
void operator() (G4KineticTrack *& kt) const
|
|
{
|
|
if ( (kt)->GetState() == wanted_state ) ktv->push_back(kt);
|
|
};
|
|
};
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
G4bool G4BinaryCascade::DoTimeStep(G4double theTimeStep)
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
|
|
#ifdef debug_BIC_DoTimeStep
|
|
G4ping debug("debug_G4BinaryCascade");
|
|
debug.push_back("======> DoTimeStep 1"); debug.dump();
|
|
G4cerr <<"G4BinaryCascade::DoTimeStep: enter "<< theTimeStep << G4endl;
|
|
PrintKTVector(&theSecondaryList, std::string("DoTimeStep - theSecondaryList"));
|
|
// PrintKTVector(&theTargetList, std::string("DoTimeStep - theTargetList"));
|
|
#endif
|
|
|
|
G4bool success=true;
|
|
std::vector<G4KineticTrack *>::iterator iter;
|
|
// Count particles in nucleus
|
|
#ifdef debug_BIC_DoTimeStep
|
|
G4int secondaryBarions=0;
|
|
G4int secondaryCharge=0;
|
|
G4double secondaryMass=0;
|
|
#endif
|
|
|
|
G4KineticTrackVector * kt_outside = new G4KineticTrackVector;
|
|
std::for_each( theSecondaryList.begin(),theSecondaryList.end(),
|
|
SelectFromKTV(kt_outside,G4KineticTrack::outside));
|
|
// PrintKTVector(kt_outside, std::string("DoTimeStep - found outside"));
|
|
|
|
G4KineticTrackVector * kt_inside = new G4KineticTrackVector;
|
|
std::for_each( theSecondaryList.begin(),theSecondaryList.end(),
|
|
SelectFromKTV(kt_inside, G4KineticTrack::inside));
|
|
// PrintKTVector(kt_inside, std::string("DoTimeStep - found inside"));
|
|
//-----
|
|
G4KineticTrackVector dummy; // needed for re-usability
|
|
#ifdef debug_BIC_DoTimeStep
|
|
G4cout << "NOW WE ARE ENTERING THE TRANSPORT"<<G4endl;
|
|
#endif
|
|
|
|
// =================== Here we move the particles ===================
|
|
|
|
thePropagator->Transport(theSecondaryList, dummy, theTimeStep);
|
|
|
|
// =================== Here we move the particles ===================
|
|
|
|
//------
|
|
#ifdef debug_BIC_DoTimeStep
|
|
PrintKTVector(&theSecondaryList, std::string("DoTimeStep - secondaries"));
|
|
debug.push_back("======> DoTimeStep 1.1.1"); debug.dump();
|
|
#endif
|
|
|
|
theMomentumTransfer += thePropagator->GetMomentumTransfer();
|
|
#ifdef debug_BIC_DoTimeStep
|
|
G4cout << "DoTimeStep : theMomentumTransfer = " << theMomentumTransfer << G4endl;
|
|
#endif
|
|
|
|
// Partclies which went INTO nucleus
|
|
|
|
G4KineticTrackVector * kt_gone_in = new G4KineticTrackVector;
|
|
std::for_each( kt_outside->begin(),kt_outside->end(),
|
|
SelectFromKTV(kt_gone_in,G4KineticTrack::inside));
|
|
// PrintKTVector(kt_gone_in, std::string("DoTimeStep - gone in"));
|
|
|
|
//PrintKTVector(&theSecondaryList,std::string("aft trsprt....."));
|
|
|
|
// Partclies which went OUT OF nucleus
|
|
G4KineticTrackVector * kt_gone_out = new G4KineticTrackVector;
|
|
std::for_each( kt_inside->begin(),kt_inside->end(),
|
|
SelectFromKTV(kt_gone_out, G4KineticTrack::gone_out));
|
|
|
|
// PrintKTVector(kt_gone_out, std::string("DoTimeStep - gone out"));
|
|
G4KineticTrackVector *fail=CorrectBarionsOnBoundary(kt_gone_in,kt_gone_out);
|
|
if ( fail )
|
|
{
|
|
// some particle(s) supposed to leave was captured by the correction
|
|
// PrintKTVector(fail,std::string(" Failed to go out -> captured"));
|
|
delete fail;
|
|
kt_gone_out->clear();
|
|
std::for_each( kt_inside->begin(),kt_inside->end(),
|
|
SelectFromKTV(kt_gone_out, G4KineticTrack::gone_out));
|
|
// PrintKTVector(kt_gone_out, std::string("recreated kt_gone_out"));
|
|
|
|
}
|
|
|
|
// Add tracks missing nucleus and tracks going straight though to addFinals
|
|
std::for_each( kt_outside->begin(),kt_outside->end(),
|
|
SelectFromKTV(kt_gone_out,G4KineticTrack::miss_nucleus));
|
|
std::for_each( kt_outside->begin(),kt_outside->end(),
|
|
SelectFromKTV(kt_gone_out,G4KineticTrack::gone_out));
|
|
|
|
#ifdef debug_BIC_DoTimeStep
|
|
PrintKTVector(kt_gone_out, std::string("append to final state.."));
|
|
#endif
|
|
|
|
theFinalState.insert(theFinalState.end(),
|
|
kt_gone_out->begin(),kt_gone_out->end());
|
|
|
|
// Partclies which could not leave nucleus, captured...
|
|
G4KineticTrackVector * kt_captured = new G4KineticTrackVector;
|
|
std::for_each( theSecondaryList.begin(),theSecondaryList.end(),
|
|
SelectFromKTV(kt_captured, G4KineticTrack::captured));
|
|
|
|
// Check no track is part in next collision, ie.
|
|
// this step was to far, and collisions should not occur any more
|
|
|
|
if ( theCollisionMgr->Entries()> 0 )
|
|
{
|
|
if (kt_gone_out->size() )
|
|
{
|
|
G4KineticTrack * nextPrimary = theCollisionMgr->GetNextCollision()->GetPrimary();
|
|
iter = std::find(kt_gone_out->begin(),kt_gone_out->end(),nextPrimary);
|
|
if ( iter != kt_gone_out->end() )
|
|
{
|
|
success=false;
|
|
#ifdef debug_BIC_DoTimeStep
|
|
G4cout << " DoTimeStep - WARNING: deleting current collision!" << G4endl;
|
|
#endif
|
|
}
|
|
}
|
|
if ( kt_captured->size() )
|
|
{
|
|
G4KineticTrack * nextPrimary = theCollisionMgr->GetNextCollision()->GetPrimary();
|
|
iter = std::find(kt_captured->begin(),kt_captured->end(),nextPrimary);
|
|
if ( iter != kt_captured->end() )
|
|
{
|
|
success=false;
|
|
#ifdef debug_BIC_DoTimeStep
|
|
G4cout << " DoTimeStep - WARNING: deleting current collision!" << G4endl;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
}
|
|
//G4cout << "Here we are 4 "<<kt_gone_out->size()<<G4endl;
|
|
// PrintKTVector(kt_gone_out," kt_gone_out be4 updatetrack...");
|
|
UpdateTracksAndCollisions(kt_gone_out,0 ,0);
|
|
//G4cout << "Here we are 5"<<G4endl;
|
|
|
|
|
|
if ( kt_captured->size() )
|
|
{
|
|
theCapturedList.insert(theCapturedList.end(),
|
|
kt_captured->begin(),kt_captured->end());
|
|
//should be std::for_each(kt_captured->begin(),kt_captured->end(),
|
|
// std::mem_fun(&G4KineticTrack::Hit));
|
|
// but VC 6 requires:
|
|
std::vector<G4KineticTrack *>::iterator i_captured;
|
|
for(i_captured=kt_captured->begin();i_captured!=kt_captured->end();i_captured++)
|
|
{
|
|
(*i_captured)->Hit();
|
|
}
|
|
// PrintKTVector(kt_captured," kt_catured be4 updatetrack...");
|
|
UpdateTracksAndCollisions(kt_captured, NULL, NULL);
|
|
}
|
|
|
|
#ifdef debug_G4BinaryCascade
|
|
delete kt_inside;
|
|
kt_inside = new G4KineticTrackVector;
|
|
std::for_each( theSecondaryList.begin(),theSecondaryList.end(),
|
|
SelectFromKTV(kt_inside, G4KineticTrack::inside));
|
|
if ( currentZ != (GetTotalCharge(theTargetList)
|
|
+ GetTotalCharge(theCapturedList)
|
|
+ GetTotalCharge(*kt_inside)) )
|
|
{
|
|
G4cout << " error-DoTimeStep, aft, A, Z, sec-Z,... "
|
|
<< currentA << " "
|
|
<< currentZ << " "
|
|
<< GetTotalCharge(theTargetList)
|
|
+ GetTotalCharge(theCapturedList)
|
|
+ GetTotalCharge(*kt_inside) << " "
|
|
<< GetTotalCharge(theTargetList) << " "
|
|
<< GetTotalCharge(theCapturedList) << " "
|
|
<< GetTotalCharge(*kt_inside) << " "
|
|
<< G4endl;
|
|
}
|
|
#endif
|
|
|
|
delete kt_inside;
|
|
delete kt_outside;
|
|
delete kt_captured;
|
|
delete kt_gone_in;
|
|
delete kt_gone_out;
|
|
|
|
// G4cerr <<"G4BinaryCascade::DoTimeStep: exit "<<G4endl;
|
|
theCurrentTime += theTimeStep;
|
|
|
|
//debug.push_back("======> DoTimeStep 2"); debug.dump();
|
|
return success;
|
|
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
G4KineticTrackVector* G4BinaryCascade::CorrectBarionsOnBoundary(
|
|
G4KineticTrackVector *in,
|
|
G4KineticTrackVector *out)
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
G4KineticTrackVector * kt_fail(0);
|
|
std::vector<G4KineticTrack *>::iterator iter;
|
|
// G4cout << "CorrectBarionsOnBoundary,currentZ,currentA,"
|
|
// << currentZ << " "<< currentA << G4endl;
|
|
if (in->size())
|
|
{
|
|
G4int secondaries_in(0);
|
|
G4int secondaryBarions_in(0);
|
|
G4int secondaryCharge_in(0);
|
|
G4double secondaryMass_in(0);
|
|
|
|
for ( iter =in->begin(); iter != in->end(); ++iter)
|
|
{
|
|
++secondaries_in;
|
|
secondaryCharge_in += G4lrint((*iter)->GetDefinition()->GetPDGCharge());
|
|
if ((*iter)->GetDefinition()->GetBaryonNumber()==1 )
|
|
{
|
|
++secondaryBarions_in;
|
|
if((*iter)->GetDefinition() == G4Neutron::Neutron() ||
|
|
(*iter)->GetDefinition() == G4Proton::Proton() )
|
|
{
|
|
secondaryMass_in += (*iter)->GetDefinition()->GetPDGMass();
|
|
} else {
|
|
secondaryMass_in += G4Proton::Proton()->GetPDGMass();
|
|
}
|
|
}
|
|
}
|
|
G4double mass_initial= GetIonMass(currentZ,currentA);
|
|
|
|
currentZ += secondaryCharge_in;
|
|
currentA += secondaryBarions_in;
|
|
|
|
// G4cout << "CorrectBarionsOnBoundary,secondaryCharge_in, secondaryBarions_in"
|
|
// << secondaryCharge_in << " "<< secondaryBarions_in << G4endl;
|
|
|
|
G4double mass_final= GetIonMass(currentZ,currentA);
|
|
|
|
G4double correction= secondaryMass_in + mass_initial - mass_final;
|
|
if (secondaries_in>1)
|
|
{correction /= secondaries_in;}
|
|
|
|
#ifdef debug_BIC_CorrectBarionsOnBoundary
|
|
G4cout << "CorrectBarionsOnBoundary,currentZ,currentA,"
|
|
<< "secondaryCharge_in,secondaryBarions_in,"
|
|
<< "energy correction,m_secondry,m_nucl_init,m_nucl_final "
|
|
<< currentZ << " "<< currentA <<" "
|
|
<< secondaryCharge_in<<" "<<secondaryBarions_in<<" "
|
|
<< correction << " "
|
|
<< secondaryMass_in << " "
|
|
<< mass_initial << " "
|
|
<< mass_final << " "
|
|
<< G4endl;
|
|
PrintKTVector(in,std::string("in be4 correction"));
|
|
#endif
|
|
|
|
for ( iter = in->begin(); iter != in->end(); ++iter)
|
|
{
|
|
(*iter)->UpdateTrackingMomentum((*iter)->GetTrackingMomentum().e() + correction);
|
|
}
|
|
#ifdef debug_BIC_CorrectBarionsOnBoundary
|
|
G4cout << " CorrectBarionsOnBoundary, aft, A, Z, sec-Z,A,m,m_in_nucleus "
|
|
<< currentA << " " << currentZ << " "
|
|
<< secondaryCharge_in << " " << secondaryBarions_in << " "
|
|
<< secondaryMass_in << " "
|
|
<< G4endl;
|
|
PrintKTVector(in,std::string("in AFT correction"));
|
|
#endif
|
|
|
|
}
|
|
//----------------------------------------------
|
|
if (out->size())
|
|
{
|
|
G4int secondaries_out(0);
|
|
G4int secondaryBarions_out(0);
|
|
G4int secondaryCharge_out(0);
|
|
G4double secondaryMass_out(0);
|
|
|
|
for ( iter =out->begin(); iter != out->end(); ++iter)
|
|
{
|
|
++secondaries_out;
|
|
secondaryCharge_out += G4lrint((*iter)->GetDefinition()->GetPDGCharge());
|
|
if ((*iter)->GetDefinition()->GetBaryonNumber()==1 )
|
|
{
|
|
++secondaryBarions_out;
|
|
if((*iter)->GetDefinition() == G4Neutron::Neutron() ||
|
|
(*iter)->GetDefinition() == G4Proton::Proton() )
|
|
{
|
|
secondaryMass_out += (*iter)->GetDefinition()->GetPDGMass();
|
|
} else {
|
|
secondaryMass_out += G4Neutron::Neutron()->GetPDGMass();
|
|
}
|
|
}
|
|
}
|
|
|
|
G4double mass_initial= GetIonMass(currentZ,currentA);
|
|
currentA -=secondaryBarions_out;
|
|
currentZ -=secondaryCharge_out;
|
|
|
|
// G4cout << "CorrectBarionsOnBoundary,secondaryCharge_out, secondaryBarions_out"
|
|
// << secondaryCharge_out << " "<< secondaryBarions_out << G4endl;
|
|
|
|
// a delta minus will do currentZ < 0 in light nuclei
|
|
// if (currentA < 0 || currentZ < 0 )
|
|
if (currentA < 0 )
|
|
{
|
|
G4cerr << "G4BinaryCascade - secondaryBarions_out,secondaryCharge_out " <<
|
|
secondaryBarions_out << " " << secondaryCharge_out << G4endl;
|
|
PrintKTVector(&theTargetList,"CorrectBarionsOnBoundary Target");
|
|
PrintKTVector(&theCapturedList,"CorrectBarionsOnBoundary Captured");
|
|
PrintKTVector(&theSecondaryList,"CorrectBarionsOnBoundary Secondaries");
|
|
G4cerr << "G4BinaryCascade - currentA, currentZ " << currentA << " " << currentZ << G4endl;
|
|
throw G4HadronicException(__FILE__, __LINE__, "G4BinaryCascade::CorrectBarionsOnBoundary() - fatal error");
|
|
}
|
|
G4double mass_final=GetIonMass(currentZ,currentA);
|
|
G4double correction= mass_initial - mass_final - secondaryMass_out;
|
|
|
|
if (secondaries_out>1) correction /= secondaries_out;
|
|
#ifdef debug_BIC_CorrectBarionsOnBoundary
|
|
G4cout << "DoTimeStep,currentZ,currentA,"
|
|
<< "secondaries_out,"
|
|
<<"secondaryCharge_out,secondaryBarions_out,"
|
|
<<"energy correction,m_secondry,m_nucl_init,m_nucl_final "
|
|
<< " "<< currentZ << " "<< currentA <<" "
|
|
<< secondaries_out << " "
|
|
<< secondaryCharge_out<<" "<<secondaryBarions_out<<" "
|
|
<< correction << " "
|
|
<< secondaryMass_out << " "
|
|
<< mass_initial << " "
|
|
<< mass_final << " "
|
|
<< G4endl;
|
|
PrintKTVector(out,std::string("out be4 correction"));
|
|
#endif
|
|
|
|
for ( iter = out->begin(); iter != out->end(); ++iter)
|
|
{
|
|
if ((*iter)->GetTrackingMomentum().e()+correction > (*iter)->GetActualMass())
|
|
{
|
|
(*iter)->UpdateTrackingMomentum((*iter)->GetTrackingMomentum().e() + correction);
|
|
} else
|
|
{
|
|
// particle cannot go out due to change of nuclear potential!
|
|
// capture protons and neutrons;
|
|
if(((*iter)->GetDefinition() == G4Proton::Proton()) ||
|
|
((*iter)->GetDefinition() == G4Neutron::Neutron()))
|
|
{
|
|
G4RKPropagation * RKprop=(G4RKPropagation *)thePropagator;
|
|
(*iter)->SetState(G4KineticTrack::captured);
|
|
// Undo correction for Colomb Barrier
|
|
G4double barrier=RKprop->GetBarrier((*iter)->GetDefinition()->GetPDGEncoding());
|
|
(*iter)->UpdateTrackingMomentum((*iter)->GetTrackingMomentum().e() - barrier);
|
|
if ( kt_fail == 0 ) kt_fail=new G4KineticTrackVector;
|
|
kt_fail->push_back(*iter);
|
|
currentZ += G4lrint((*iter)->GetDefinition()->GetPDGCharge());
|
|
if ((*iter)->GetDefinition()->GetBaryonNumber()==1 ) ++currentA;
|
|
}
|
|
#ifdef debug_BIC_CorrectBarionsOnBoundary
|
|
else
|
|
{
|
|
G4cout << "Not correcting outgoing " << *iter << " "
|
|
<< (*iter)->GetDefinition()->GetPDGEncoding() << " "
|
|
<< (*iter)->GetDefinition()->GetParticleName() << G4endl;
|
|
PrintKTVector(out,std::string("outgoing, one not corrected"));
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
#ifdef debug_BIC_CorrectBarionsOnBoundary
|
|
PrintKTVector(out,std::string("out AFTER correction"));
|
|
G4cout << " DoTimeStep, nucl-update, A, Z, sec-Z,A,m,m_in_nucleus, table-mass, delta "
|
|
<< currentA << " "<< currentZ << " "
|
|
<< secondaryCharge_out << " "<< secondaryBarions_out << " "<<
|
|
secondaryMass_out << " "
|
|
<< massInNucleus << " "
|
|
<< G4ParticleTable::GetParticleTable()->GetIonTable()->GetIonMass(currentZ,currentA)
|
|
<< " " << massInNucleus -G4ParticleTable::GetParticleTable()->GetIonTable()->GetIonMass(currentZ,currentA)
|
|
<< G4endl;
|
|
#endif
|
|
}
|
|
|
|
return kt_fail;
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
G4Fragment * G4BinaryCascade::FindFragments()
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
|
|
G4int a = theTargetList.size()+theCapturedList.size();
|
|
#ifdef debug_BIC_FindFragments
|
|
G4cout << "target, captured, secondary: "
|
|
<< theTargetList.size() << " "
|
|
<< theCapturedList.size()<< " "
|
|
<< theSecondaryList.size()
|
|
<< G4endl;
|
|
#endif
|
|
G4int zTarget = 0;
|
|
G4KineticTrackVector::iterator i;
|
|
for(i = theTargetList.begin(); i != theTargetList.end(); ++i)
|
|
{
|
|
if((*i)->GetDefinition()->GetPDGCharge() == eplus)
|
|
{
|
|
zTarget++;
|
|
}
|
|
}
|
|
|
|
G4int zCaptured = 0;
|
|
G4LorentzVector CapturedMomentum=0;
|
|
for(i = theCapturedList.begin(); i != theCapturedList.end(); ++i)
|
|
{
|
|
CapturedMomentum += (*i)->Get4Momentum();
|
|
if((*i)->GetDefinition()->GetPDGCharge() == eplus)
|
|
{
|
|
zCaptured++;
|
|
}
|
|
}
|
|
|
|
G4int z = zTarget+zCaptured;
|
|
|
|
#ifdef debug_G4BinaryCascade
|
|
if ( z != (GetTotalCharge(theTargetList) + GetTotalCharge(theCapturedList)) )
|
|
{
|
|
G4cout << " FindFragment Counting error z a " << z << " " <<a << " "
|
|
<< GetTotalCharge(theTargetList) << " " << GetTotalCharge(theCapturedList)<<
|
|
G4endl;
|
|
PrintKTVector(&theTargetList, std::string("theTargetList"));
|
|
PrintKTVector(&theCapturedList, std::string("theCapturedList"));
|
|
}
|
|
#endif
|
|
//debug
|
|
/*
|
|
* G4cout << " Fragment mass table / real "
|
|
* << G4ParticleTable::GetParticleTable()->GetIonTable()->GetIonMass(z, a)
|
|
* << " / " << GetFinal4Momentum().mag()
|
|
* << " difference "
|
|
* << GetFinal4Momentum().mag() - G4ParticleTable::GetParticleTable()->GetIonTable()->GetIonMass(z, a)
|
|
* << G4endl;
|
|
*/
|
|
//
|
|
// if(getenv("BCDEBUG") ) G4cerr << "Fragment A, Z "<< a <<" "<< z<<G4endl;
|
|
if ( z < 1 ) return 0;
|
|
G4Fragment * fragment = new G4Fragment(a,z,GetFinalNucleusMomentum());
|
|
|
|
G4int holes = the3DNucleus->GetMassNumber() - theTargetList.size();
|
|
fragment->SetNumberOfHoles(holes);
|
|
|
|
G4int excitons = theCapturedList.size();
|
|
//GF fragment->SetNumberOfParticles(excitons-holes);
|
|
fragment->SetNumberOfParticles(excitons);
|
|
fragment->SetNumberOfCharged(zCaptured);
|
|
G4ParticleDefinition * aIonDefinition =
|
|
G4ParticleTable::GetParticleTable()->FindIon(a,z,0,z);
|
|
fragment->SetParticleDefinition(aIonDefinition);
|
|
#ifdef debug_BIC_FindFragments
|
|
G4cout << "Fragment: a= " << a
|
|
<< " z= " << z
|
|
<< " particles= " << excitons
|
|
<< " Charged= " << zCaptured
|
|
<< " holes= " << holes
|
|
<< " excitE= " <<GetExcitationEnergy()
|
|
<< " Final4Momentum= " << GetFinalNucleusMomentum()
|
|
<< " capturMomentum= " << CapturedMomentum
|
|
<< G4endl;
|
|
#endif
|
|
|
|
return fragment;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
G4LorentzVector G4BinaryCascade::GetFinal4Momentum()
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
// the initial 3-momentum will differ from 0, if nucleus created by string model.
|
|
G4LorentzVector final4Momentum = theInitial4Mom;
|
|
G4KineticTrackVector::iterator i;
|
|
for(i = theProjectileList.begin() ; i != theProjectileList.end(); ++i)
|
|
{
|
|
final4Momentum += (*i)->GetTrackingMomentum();
|
|
//G4cout << "Initial state: "<<(*i)->Get4Momentum()<<G4endl;
|
|
}
|
|
for(i = theFinalState.begin(); i != theFinalState.end(); ++i)
|
|
{
|
|
final4Momentum -= (*i)->Get4Momentum();
|
|
}
|
|
|
|
if((final4Momentum.vect()/final4Momentum.e()).mag()>1.0 && currentA > 0)
|
|
{
|
|
# ifdef debug_BIC_Final4Momentum
|
|
G4cerr << G4endl;
|
|
G4cerr << "G4BinaryCascade::GetFinal4Momentum - Fatal"<<G4endl;
|
|
G4KineticTrackVector::iterator i;
|
|
G4cerr <<" Initial nucleus "<<theInitial4Mom<<G4endl;
|
|
for(i = theProjectileList.begin() ; i != theProjectileList.end(); ++i)
|
|
{
|
|
G4cerr << " Initial state (get4M), (trackingM): "
|
|
<<(*i)->Get4Momentum()<<", " << (*i)->GetTrackingMomentum() <<","
|
|
<<(*i)->GetDefinition()->GetParticleName()<<G4endl;
|
|
}
|
|
for(i = theFinalState.begin(); i != theFinalState.end(); ++i)
|
|
{
|
|
G4cerr <<" Final state: "<<(*i)->Get4Momentum()<<(*i)->GetDefinition()->GetParticleName()<<G4endl;
|
|
}
|
|
G4cerr<< " Final4Momentum = "<<final4Momentum <<" "<<final4Momentum.m()<<G4endl;
|
|
G4cerr <<" current A, Z = "<< currentA<<", "<<currentZ<<G4endl;
|
|
G4cerr << G4endl;
|
|
# endif
|
|
|
|
final4Momentum=G4LorentzVector(0);
|
|
}
|
|
return final4Momentum;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
G4LorentzVector G4BinaryCascade::GetFinalNucleusMomentum()
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
// return momentum of nucleus for use with precompound model; also keep transformation to
|
|
// apply to precompoud products.
|
|
|
|
G4LorentzVector CapturedMomentum=0;
|
|
G4KineticTrackVector::iterator i;
|
|
// G4cout << "GetFinalNucleusMomentum Captured size: " <<theCapturedList.size() << G4endl;
|
|
for(i = theCapturedList.begin(); i != theCapturedList.end(); ++i)
|
|
{
|
|
CapturedMomentum += (*i)->Get4Momentum();
|
|
}
|
|
//G4cout << "GetFinalNucleusMomentum CapturedMomentum= " <<CapturedMomentum << G4endl;
|
|
// G4cerr << "it 9"<<G4endl;
|
|
|
|
G4LorentzVector NucleusMomentum = GetFinal4Momentum();
|
|
if ( NucleusMomentum.e() > 0 )
|
|
{
|
|
// G4cout << "GetFinalNucleusMomentum GetFinal4Momentum= " <<NucleusMomentum <<" "<<NucleusMomentum.mag()<<G4endl;
|
|
// boost nucleus to a frame such that the momentum of nucleus == momentum of Captured
|
|
G4ThreeVector boost= (NucleusMomentum.vect() -CapturedMomentum.vect())/NucleusMomentum.e();
|
|
if(boost.mag2()>1.0)
|
|
{
|
|
# ifdef debug_BIC_FinalNucleusMomentum
|
|
G4cerr << "G4BinaryCascade::GetFinalNucleusMomentum - Fatal"<<G4endl;
|
|
G4cerr << "it 0"<<boost <<G4endl;
|
|
G4cerr << "it 01"<<NucleusMomentum<<" "<<CapturedMomentum<<" "<<G4endl;
|
|
G4cout <<" testing boost "<<boost<<" "<<boost.mag()<<G4endl;
|
|
# endif
|
|
boost=G4ThreeVector(0);
|
|
NucleusMomentum=G4LorentzVector(0);
|
|
}
|
|
G4LorentzRotation nucleusBoost( -boost );
|
|
precompoundLorentzboost.set( boost );
|
|
#ifdef debug_debug_BIC_FinalNucleusMomentum
|
|
G4cout << "GetFinalNucleusMomentum be4 boostNucleusMomentum, CapturedMomentum"<<NucleusMomentum<<" "<<CapturedMomentum<<" "<<G4endl;
|
|
#endif
|
|
NucleusMomentum *= nucleusBoost;
|
|
#ifdef debug_BIC_FinalNucleusMomentum
|
|
G4cout << "GetFinalNucleusMomentum aft boost GetFinal4Momentum= " <<NucleusMomentum <<G4endl;
|
|
#endif
|
|
}
|
|
return NucleusMomentum;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
G4ReactionProductVector * G4BinaryCascade::Propagate1H1(
|
|
//----------------------------------------------------------------------------
|
|
G4KineticTrackVector * secondaries, G4V3DNucleus * nucleus)
|
|
{
|
|
G4ReactionProductVector * products = new G4ReactionProductVector;
|
|
G4ParticleDefinition * aHTarg = G4Proton::ProtonDefinition();
|
|
G4double mass = aHTarg->GetPDGMass();
|
|
if (nucleus->GetCharge() == 0) aHTarg = G4Neutron::NeutronDefinition();
|
|
mass = aHTarg->GetPDGMass();
|
|
G4KineticTrackVector * secs = 0;
|
|
G4ThreeVector pos(0,0,0);
|
|
G4LorentzVector mom(mass);
|
|
G4KineticTrack aTarget(aHTarg, 0., pos, mom);
|
|
G4bool done(false);
|
|
std::vector<G4KineticTrack *>::iterator iter, jter;
|
|
static G4Scatterer theScatterer;
|
|
//G4cout << " start 1H1 for " << (*secondaries).front()->GetDefinition()->GetParticleName()
|
|
// << " on " << aHTarg->GetParticleName() << G4endl;
|
|
G4int tryCount(0);
|
|
while(!done && tryCount++ <200)
|
|
{
|
|
if(secs)
|
|
{
|
|
std::for_each(secs->begin(), secs->end(), DeleteKineticTrack());
|
|
delete secs;
|
|
}
|
|
secs = theScatterer.Scatter(*(*secondaries).front(), aTarget);
|
|
for(size_t ss=0; secs && ss<secs->size(); ss++)
|
|
{
|
|
// G4cout << "1H1 " << (*secs)[ss]->GetDefinition()->GetParticleName()
|
|
// << ", shortlived? "<< (*secs)[ss]->GetDefinition()->IsShortLived()<< G4endl;
|
|
if((*secs)[ss]->GetDefinition()->IsShortLived()) done = true;
|
|
}
|
|
// G4cout << G4endl;
|
|
}
|
|
size_t current(0);
|
|
for(current=0; current<secs->size(); current++)
|
|
{
|
|
if((*secs)[current]->GetDefinition()->IsShortLived())
|
|
{
|
|
G4KineticTrackVector * dec = (*secs)[current]->Decay();
|
|
for(jter=dec->begin(); jter != dec->end(); jter++)
|
|
{
|
|
//G4cout << "Decay"<<G4endl;
|
|
secs->push_back(*jter);
|
|
//G4cout << "decay "<<(*jter)->GetDefinition()->GetParticleName()<<G4endl;
|
|
}
|
|
delete (*secs)[current];
|
|
delete dec;
|
|
}
|
|
else
|
|
{
|
|
//G4cout << "FS "<<G4endl;
|
|
//G4cout << "FS "<<(*secs)[current]->GetDefinition()->GetParticleName()<<G4endl;
|
|
theFinalState.push_back((*secs)[current]);
|
|
}
|
|
}
|
|
//G4cout << "Through loop"<<G4endl;
|
|
delete secs;
|
|
for(iter = theFinalState.begin(); iter != theFinalState.end(); ++iter)
|
|
{
|
|
G4KineticTrack * kt = *iter;
|
|
G4ReactionProduct * aNew = new G4ReactionProduct(kt->GetDefinition());
|
|
aNew->SetMomentum(kt->Get4Momentum().vect());
|
|
aNew->SetTotalEnergy(kt->Get4Momentum().e());
|
|
products->push_back(aNew);
|
|
#ifdef debug_1_BinaryCascade
|
|
if (! kt->GetDefinition()->GetPDGStable() )
|
|
{
|
|
if (kt->GetDefinition()->IsShortLived())
|
|
{
|
|
G4cout << "final shortlived : ";
|
|
} else
|
|
{
|
|
G4cout << "final un stable : ";
|
|
}
|
|
G4cout <<kt->GetDefinition()->GetParticleName()<< G4endl;
|
|
}
|
|
#endif
|
|
delete kt;
|
|
}
|
|
theFinalState.clear();
|
|
return products;
|
|
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
G4ThreeVector G4BinaryCascade::GetSpherePoint(
|
|
G4double r, const G4LorentzVector & mom4)
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
// Get a point outside radius.
|
|
// point is random in plane (circle of radius r) orthogonal to mom,
|
|
// plus -1*r*mom->vect()->unit();
|
|
G4ThreeVector o1, o2;
|
|
G4ThreeVector mom = mom4.vect();
|
|
|
|
o1= mom.orthogonal(); // we simply need any vector non parallel
|
|
o2= mom.cross(o1); // o2 is now orthogonal to mom and o1, ie. o1 and o2 define plane.
|
|
|
|
G4double x2, x1;
|
|
|
|
do
|
|
{
|
|
x1=(G4UniformRand()-.5)*2;
|
|
x2=(G4UniformRand()-.5)*2;
|
|
} while (sqr(x1) +sqr(x2) > 1.);
|
|
|
|
return G4ThreeVector(r*(x1*o1.unit() + x2*o2.unit() - 1.5* mom.unit()));
|
|
|
|
|
|
|
|
/*
|
|
* // Get a point uniformly distributed on the surface of a sphere,
|
|
* // with z < 0.
|
|
* G4double b = r*G4UniformRand(); // impact parameter
|
|
* G4double phi = G4UniformRand()*2*pi;
|
|
* G4double x = b*std::cos(phi);
|
|
* G4double y = b*std::sin(phi);
|
|
* G4double z = -std::sqrt(r*r-b*b);
|
|
* z *= 1.001; // Get position a little bit out of the sphere...
|
|
* point.setX(x);
|
|
* point.setY(y);
|
|
* point.setZ(z);
|
|
*/
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
void G4BinaryCascade::ClearAndDestroy(G4KineticTrackVector * ktv)
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
std::vector<G4KineticTrack *>::iterator i;
|
|
for(i = ktv->begin(); i != ktv->end(); ++i)
|
|
delete (*i);
|
|
ktv->clear();
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void G4BinaryCascade::ClearAndDestroy(G4ReactionProductVector * rpv)
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
std::vector<G4ReactionProduct *>::iterator i;
|
|
for(i = rpv->begin(); i != rpv->end(); ++i)
|
|
delete (*i);
|
|
rpv->clear();
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void G4BinaryCascade::PrintKTVector(G4KineticTrackVector * ktv, std::string comment)
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
if (comment.size() > 0 ) G4cout << comment << G4endl;
|
|
G4cout << " vector: " << ktv << ", number of tracks: " << ktv->size()
|
|
<< G4endl;
|
|
std::vector<G4KineticTrack *>::iterator i;
|
|
G4int count;
|
|
|
|
for(count = 0, i = ktv->begin(); i != ktv->end(); ++i, ++count)
|
|
{
|
|
G4KineticTrack * kt = *i;
|
|
G4cout << " track n. " << count << ", id: " << kt << G4endl;
|
|
G4ThreeVector pos = kt->GetPosition();
|
|
G4LorentzVector mom = kt->Get4Momentum();
|
|
G4LorentzVector tmom = kt->GetTrackingMomentum();
|
|
G4ParticleDefinition * definition = kt->GetDefinition();
|
|
G4cout << " definition: " << definition->GetPDGEncoding() << " pos: "
|
|
<< 1/fermi*pos << " R: " << 1/fermi*pos.mag() << " 4mom: "
|
|
<< 1/MeV*mom <<"Tr_mom" << 1/MeV*tmom << " P: " << 1/MeV*mom.vect().mag()
|
|
<< " M: " << 1/MeV*mom.mag() << G4endl;
|
|
G4cout <<" trackstatus: "<<kt->GetState()<<G4endl;
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
G4bool G4BinaryCascade::CheckDecay(G4KineticTrackVector * products)
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
G4int A = the3DNucleus->GetMassNumber();
|
|
G4int Z = the3DNucleus->GetCharge();
|
|
|
|
G4FermiMomentum fermiMom;
|
|
fermiMom.Init(A, Z);
|
|
|
|
const G4VNuclearDensity * density=the3DNucleus->GetNuclearDensity();
|
|
|
|
G4KineticTrackVector::iterator i;
|
|
G4ParticleDefinition * definition;
|
|
|
|
// ------ debug
|
|
G4bool myflag = true;
|
|
// ------ end debug
|
|
for(i = products->begin(); i != products->end(); ++i)
|
|
{
|
|
definition = (*i)->GetDefinition();
|
|
if((definition->GetParticleName() != "delta++" )&&
|
|
(definition->GetParticleName() != "delta+" )&&
|
|
(definition->GetParticleName() != "delta0" )&&
|
|
(definition->GetParticleName() != "delta-" ))
|
|
continue;
|
|
G4ThreeVector pos = (*i)->GetPosition();
|
|
G4double d = density->GetDensity(pos);
|
|
G4double pFermi= fermiMom.GetFermiMomentum(d);
|
|
G4LorentzVector mom = (*i)->Get4Momentum();
|
|
G4LorentzRotation boost(mom.boostVector());
|
|
G4ThreeVector pion3(227*MeV * mom.vect().unit()); // 227 is decay product in rest frame
|
|
G4LorentzVector pion(pion3, std::sqrt(sqr(140*MeV) +pion3.mag()));
|
|
// G4cout << "pi rest " << pion << G4endl;
|
|
pion = boost * pion;
|
|
// G4cout << "pi lab " << pion << G4endl;
|
|
// ------ debug
|
|
// G4cout << "p:[" << (1/MeV)*pion.x() << " " << (1/MeV)*pion.y() << " "
|
|
// << (1/MeV)*pion.z() << "] |p3|:"
|
|
// << (1/MeV)*pion.vect().mag() << " E:" << (1/MeV)*pion.t() << " ] m: "
|
|
// << (1/MeV)*pion.mag() << " pos["
|
|
// << (1/fermi)*pos.x() << " "<< (1/fermi)*pos.y() << " "
|
|
// << (1/fermi)*pos.z() << "] |Dpos|: "
|
|
// << " Pfermi:"
|
|
// << (1/MeV)*pFermi << G4endl;
|
|
// ------ end debug
|
|
|
|
if( pion.vect().mag() < pFermi )
|
|
{
|
|
// ------ debug
|
|
myflag = false;
|
|
// ------ end debug
|
|
}
|
|
}
|
|
return myflag;
|
|
// return true;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
G4double G4BinaryCascade::GetIonMass(G4int Z, G4int A)
|
|
//----------------------------------------------------------------------------
|
|
{
|
|
G4double mass(0);
|
|
if ( Z > 0 && A >= Z )
|
|
{
|
|
mass = G4ParticleTable::GetParticleTable()->GetIonTable()->GetIonMass(Z,A);
|
|
|
|
} else if ( A > 0 && Z>0 )
|
|
{
|
|
// charge Z > A; will happen for light nuclei with pions involved.
|
|
mass = G4ParticleTable::GetParticleTable()->GetIonTable()->GetIonMass(A,A);
|
|
|
|
} else if ( A >= 0 && Z<=0 )
|
|
{
|
|
// all neutral, or empty nucleus
|
|
mass = A * G4Neutron::Neutron()->GetPDGMass();
|
|
|
|
} else if ( A == 0 && std::abs(Z)<2 )
|
|
{
|
|
// empty nucleus, except maybe pions
|
|
mass = 0;
|
|
|
|
} else
|
|
{
|
|
G4cerr << "G4BinaryCascade::GetIonMass() - invalid (A,Z) = ("
|
|
<< A << "," << Z << ")" <<G4endl;
|
|
G4Exception("G4BinaryCascade::GetIonMass() - giving up");
|
|
}
|
|
return mass;
|
|
}
|
|
|
|
void G4BinaryCascade::PrintWelcomeMessage()
|
|
{
|
|
G4cout <<"Thank you for using G4BinaryCascade. "<<G4endl;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|