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geant4/source/processes/hadronic/models/incl/src/G4InclCascadeInterface.cc
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//
// ********************************************************************
// * 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. *
// ********************************************************************
//
// $Id: G4InclCascadeInterface.cc,v 1.15 2010/11/17 20:19:09 kaitanie Exp $
// Translation of INCL4.2/ABLA V3
// Pekka Kaitaniemi, HIP (translation)
// Christelle Schmidt, IPNL (fission code)
// Alain Boudard, CEA (contact person INCL/ABLA)
// Aatos Heikkinen, HIP (project coordination)
//#define DEBUGINCL 1
#include "G4InclCascadeInterface.hh"
#include "G4FermiBreakUp.hh"
#include "math.h"
#include "G4GenericIon.hh"
#include "CLHEP/Random/Random.h"
G4InclCascadeInterface::G4InclCascadeInterface(const G4String& nam)
:G4VIntraNuclearTransportModel(nam)
{
hazard = new G4Hazard();
const G4long* table_entry = CLHEP::HepRandom::getTheSeeds(); // Get random seed from CLHEP.
hazard->ial = (*table_entry);
varntp = new G4VarNtp();
calincl = 0;
ws = new G4Ws();
mat = new G4Mat();
incl = new G4Incl(hazard, calincl, ws, mat, varntp);
theExcitationHandler = new G4ExcitationHandler;
thePrecoModel = new G4PreCompoundModel(theExcitationHandler);
if(!getenv("G4INCLABLANOFERMIBREAKUP")) { // Use Fermi Break-up by default if it is NOT explicitly disabled
incl->setUseFermiBreakUp(true);
}
verboseLevel = 0;
}
G4InclCascadeInterface::~G4InclCascadeInterface()
{
delete thePrecoModel;
delete theExcitationHandler;
delete hazard;
delete varntp;
delete ws;
delete mat;
delete incl;
}
G4HadFinalState* G4InclCascadeInterface::ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& theNucleus)
{
G4int maxTries = 200;
G4int particleI;
G4int bulletType = 0;
// Print diagnostic messages: 0 = silent, 1 and 2 = verbose
verboseLevel = 0;
// Increase the event number:
eventNumber++;
if (verboseLevel > 1) {
G4cout << " >>> G4InclCascadeInterface::ApplyYourself called" << G4endl;
}
if(verboseLevel > 1) {
G4cout <<"G4InclCascadeInterface: Now processing INCL4 event number:" << eventNumber << G4endl;
}
#ifdef DEBUGINCL
G4cout <<"Bullet energy = " << bulletE / MeV << G4endl;
#endif
G4double eKin;
G4double momx = 0.0, momy = 0.0, momz = 0.0;
G4DynamicParticle *cascadeParticle = 0;
G4ParticleDefinition *aParticleDefinition = 0;
G4ReactionProductVector *thePrecoResult = 0;
G4ParticleTable *theTableOfParticles = G4ParticleTable::GetParticleTable();
// INCL assumes the projectile particle is going in the direction of
// the Z-axis. Here we construct proper rotation to convert the
// momentum vectors of the outcoming particles to the original
// coordinate system.
G4LorentzVector projectileMomentum = aTrack.Get4Momentum();
G4LorentzRotation toZ;
toZ.rotateZ(-projectileMomentum.phi());
toZ.rotateY(-projectileMomentum.theta());
G4LorentzRotation toLabFrame = toZ.inverse();
theResult.Clear(); // Make sure the output data structure is clean.
calincl = new G4InclInput(aTrack, theNucleus, false);
incl->setInput(calincl);
// G4InclInput::printProjectileTargetInfo(aTrack, theNucleus);
// calincl->printInfo();
#ifdef DEBUGINCL
G4int baryonBullet = 0, chargeBullet = 0;
if(bulletType == proton || bulletType == neutron) baryonBullet = 1;
if(bulletType == proton || bulletType == pionPlus) chargeBullet = 1;
if(bulletType == pionMinus) chargeBullet = -1;
G4int baryonNumber = int(std::floor(targetA)) + baryonBullet;
G4int chargeNumber = int(std::floor(targetZ)) + chargeBullet;
G4double mass = aTrack.GetDefinition()->GetPDGMass();
G4double amass = theNucleus.AtomicMass(targetA, targetZ);
G4double eKinSum = bulletE;
G4LorentzVector labv = G4LorentzVector(0.0, 0.0, std::sqrt(bulletE*(bulletE + 2.*mass)), bulletE + mass + amass);
G4LorentzVector labvA = G4LorentzVector(0.0, 0.0, 0.0, 0.0);
G4cout <<"Energy in the beginning = " << labv.e() / MeV << G4endl;
#endif
// Check wheter the input is acceptable.
if((calincl->bulletType() != 0) && ((calincl->targetA() != 1) && (calincl->targetZ() != 1))) {
ws->nosurf = -2; // Nucleus surface, -2 = Woods-Saxon
ws->xfoisa = 8;
ws->npaulstr = 0;
int nTries = 0;
varntp->ntrack = 0;
mat->nbmat = 1;
mat->amat[0] = int(calincl->targetA());
mat->zmat[0] = int(calincl->targetZ());
incl->initIncl(true);
while((varntp->ntrack <= 0) && (nTries < maxTries)) { // Loop until we produce real cascade
nTries++;
if(verboseLevel > 1) {
G4cout <<"G4InclCascadeInterface: Try number = " << nTries << G4endl;
}
incl->processEventIncl(calincl);
if(verboseLevel > 1) {
G4cout <<"G4InclCascadeInterface: number of tracks = " << varntp->ntrack <<G4endl;
}
}
if(verboseLevel > 1) {
/**
* Diagnostic output
*/
G4cout <<"G4InclCascadeInterface: Bullet type: " << calincl->bulletType() << G4endl;
G4cout <<"G4Incl4AblaCascadeInterface: Bullet energy: " << calincl->bulletE() << " MeV" << G4endl;
G4cout <<"G4InclCascadeInterface: Target A: " << calincl->targetA() << G4endl;
G4cout <<"G4InclCascadeInterface: Target Z: " << calincl->targetZ() << G4endl;
if(verboseLevel > 3) {
diagdata <<"G4InclCascadeInterface: Bullet type: " << calincl->bulletType() << G4endl;
diagdata <<"G4InclCascadeInterface: Bullet energy: " << calincl->bulletE() << " MeV" << G4endl;
diagdata <<"G4InclCascadeInterface: Target A: " << calincl->targetA() << G4endl;
diagdata <<"G4InclCascadeInterface: Target Z: " << calincl->targetZ() << G4endl;
}
}
// Check whether a valid cascade was produced.
// If not return the original bullet particle with the same momentum.
if(varntp->ntrack <= 0) {
if(verboseLevel > 1) {
G4cout <<"WARNING G4InclCascadeInterface: No cascade. Returning original particle with original momentum." << G4endl;
G4cout <<"\t Reached maximum trials of 200 to produce inelastic scattering." << G4endl;
}
theResult.SetStatusChange(stopAndKill);
G4int bulletType = calincl->bulletType();
aParticleDefinition = G4InclInput::getParticleDefinition(bulletType);
if(aParticleDefinition != 0) {
cascadeParticle = new G4DynamicParticle();
cascadeParticle->SetDefinition(aParticleDefinition);
cascadeParticle->Set4Momentum(aTrack.Get4Momentum());
theResult.AddSecondary(cascadeParticle);
}
}
// Convert INCL4 output to Geant4 compatible data structures.
// Elementary particles are converted to G4DynamicParticle.
theResult.SetStatusChange(stopAndKill);
#ifdef DEBUGINCL
G4cout << "E [MeV]" << std::setw(12)
<< " Ekin [MeV]" << std::setw(12)
<< "Px [MeV]" << std::setw(12)
<< " Py [MeV]" << std::setw(12)
<< "Pz [MeV]" << std::setw(12)
<< "Pt [MeV]" << std::setw(12)
<< "A" << std::setw(12)
<< "Z" << G4endl;
#endif
for(particleI = 0; particleI < varntp->ntrack; particleI++) { // Loop through the INCL4+ABLA output.
// Get energy/momentum and construct momentum vector in INCL4 coordinates.
momx = varntp->plab[particleI]*std::sin(varntp->tetlab[particleI]*CLHEP::pi/180.0)*std::cos(varntp->philab[particleI]*CLHEP::pi/180.0)*MeV;
momy = varntp->plab[particleI]*std::sin(varntp->tetlab[particleI]*CLHEP::pi/180.0)*std::sin(varntp->philab[particleI]*CLHEP::pi/180.0)*MeV;
momz = varntp->plab[particleI]*std::cos(varntp->tetlab[particleI]*CLHEP::pi/180.0)*MeV;
eKin = varntp->enerj[particleI] * MeV;
G4ThreeVector momDirection(momx, momy, momz); // Direction of the particle.
momDirection = momDirection.unit();
if(verboseLevel > 2) {
G4cout <<"G4InclCascadeInterface: " << G4endl;
G4cout <<"A = " << varntp->avv[particleI] << " Z = " << varntp->zvv[particleI] << G4endl;
G4cout <<"eKin = " << eKin << " MeV" << G4endl;
G4cout <<"px = " << momDirection.x() << " py = " << momDirection.y() <<" pz = " << momDirection.z() << G4endl;
}
G4int particleIdentified = 0; // Check particle ID.
if((varntp->avv[particleI] == 1) && (varntp->zvv[particleI] == 1)) { // Proton
cascadeParticle =
new G4DynamicParticle(G4Proton::ProtonDefinition(), momDirection, eKin);
particleIdentified++;
#ifdef DEBUGINCL
baryonNumber--;
chargeNumber--;
#endif
}
if((varntp->avv[particleI] == 1) && (varntp->zvv[particleI] == 0)) { // Neutron
cascadeParticle =
new G4DynamicParticle(G4Neutron::NeutronDefinition(), momDirection, eKin);
particleIdentified++;
#ifdef DEBUGINCL
baryonNumber--;
#endif
}
if((varntp->avv[particleI] == -1) && (varntp->zvv[particleI] == 1)) { // PionPlus
cascadeParticle =
new G4DynamicParticle(G4PionPlus::PionPlusDefinition(), momDirection, eKin);
particleIdentified++;
#ifdef DEBUGINCL
chargeNumber--;
#endif
}
if((varntp->avv[particleI] == -1) && (varntp->zvv[particleI] == 0)) { // PionZero
cascadeParticle =
new G4DynamicParticle(G4PionZero::PionZeroDefinition(), momDirection, eKin);
particleIdentified++;
}
if((varntp->avv[particleI] == -1) && (varntp->zvv[particleI] == -1)) { // PionMinus
cascadeParticle =
new G4DynamicParticle(G4PionMinus::PionMinusDefinition(), momDirection, eKin);
particleIdentified++;
#ifdef DEBUGINCL
chargeNumber++;
#endif
}
if((varntp->avv[particleI] > 1) && (varntp->zvv[particleI] >= 1)) { // Nucleus fragment
G4ParticleDefinition * aIonDef = 0;
G4int A = G4int(varntp->avv[particleI]);
G4int Z = G4int(varntp->zvv[particleI]);
G4double excitationE = G4double(varntp->exini) * MeV;
if(verboseLevel > 1) {
G4cout <<"Finding ion: A = " << A << " Z = " << Z << " E* = " << excitationE/MeV << G4endl;
}
aIonDef = theTableOfParticles->GetIon(Z, A, excitationE);
if(aIonDef == 0) {
if(verboseLevel > 1) {
G4cout <<"G4InclCascadeInterface: " << G4endl;
G4cout <<"FATAL ERROR: aIonDef = 0" << G4endl;
G4cout <<"A = " << A << " Z = " << Z << " E* = " << excitationE << G4endl;
}
}
if(aIonDef != 0) { // If the ion was identified add it to output.
cascadeParticle =
new G4DynamicParticle(aIonDef, momDirection, eKin);
particleIdentified++;
#ifdef DEBUGINCL
baryonNumber = baryonNumber - A;
chargeNumber = chargeNumber - Z;
#endif
}
}
if(particleIdentified == 1) { // Particle identified properly.
cascadeParticle->Set4Momentum(cascadeParticle->Get4Momentum()*=toLabFrame);
#ifdef DEBUGINCL
G4ParticleDefinition *pd = cascadeParticle->GetDefinition();
G4LorentzVector fm = cascadeParticle->Get4Momentum();
G4ThreeVector mom = cascadeParticle->GetMomentum();
G4double m = pd->GetPDGMass();
G4double p = mom.mag();
labv -= fm;
if(varntp->avv[particleI] > 1) {
labvA += fm;
}
G4double px = mom.x() * MeV;
G4double py = mom.y() * MeV;
G4double pz = mom.z() * MeV;
G4double pt = std::sqrt(px*px+py*py);
G4double e = fm.e();
eKinSum -= cascadeParticle->GetKineticEnergy() * MeV;
G4double exE;
if(varntp->avv[particleI] > 1) {
exE = varntp->exini;
}
else {
exE = 0.0;
}
G4cout << fm.e() / MeV
<< std::setw(12) << cascadeParticle->GetKineticEnergy() / MeV
<< std::setw(12) << mom.x() / MeV
<< std::setw(12) << mom.y() / MeV
<< std::setw(12) << mom.z() / MeV
<< std::setw(12) << pt / MeV
<< std::setw(12) << varntp->avv[particleI]
<< std::setw(12) << varntp->zvv[particleI] << G4endl;
#endif
theResult.AddSecondary(cascadeParticle); // Put data into G4HadFinalState.
}
else { // Particle identification failed.
if(particleIdentified > 1) { // Particle was identified as more than one particle type.
if(verboseLevel > 1) {
G4cout <<"G4InclCascadeInterface: One outcoming particle was identified as";
G4cout <<"more than one particle type. This is probably due to a bug in the interface." << G4endl;
G4cout <<"Particle A:" << varntp->avv[particleI] << "Z: " << varntp->zvv[particleI] << G4endl;
G4cout << "(particleIdentified =" << particleIdentified << ")" << G4endl;
}
}
}
}
G4double nuclearMass = G4NucleiProperties::GetNuclearMass(G4int(varntp->massini), G4int(varntp->mzini)) + varntp->exini * MeV;
G4LorentzVector fragmentMomentum(varntp->pxrem * MeV, varntp->pyrem * MeV, varntp->pzrem * MeV,
varntp->erecrem * MeV + nuclearMass);
G4double momentumScaling = G4InclUtils::calculate4MomentumScaling(G4int(varntp->massini), G4int(varntp->mzini),
varntp->exini,
varntp->erecrem,
varntp->pxrem,
varntp->pyrem,
varntp->pzrem);
G4LorentzVector p4(momentumScaling * varntp->pxrem * MeV, momentumScaling * varntp->pyrem * MeV,
momentumScaling * varntp->pzrem * MeV,
varntp->erecrem + nuclearMass);
// For four-momentum, baryon number and charge conservation check:
G4LorentzVector fourMomentumBalance = p4;
G4int baryonNumberBalance = G4int(varntp->massini);
G4int chargeBalance = G4int(varntp->mzini);
G4LorentzRotation toFragmentZ;
toFragmentZ.rotateZ(-p4.theta());
toFragmentZ.rotateY(-p4.phi());
G4LorentzRotation toFragmentLab = toFragmentZ.inverse();
p4 *= toFragmentZ;
G4LorentzVector p4rest = p4;
p4rest.boost(-p4.boostVector());
if(verboseLevel > 0) {
G4cout <<"Cascade remnant nucleus:" << G4endl;
G4cout <<"p4: " << G4endl;
G4cout <<" px: " << p4.px() <<" py: " << p4.py() <<" pz: " << p4.pz() << G4endl;
G4cout <<" E = " << p4.e() << G4endl;
G4cout <<"p4rest: " << G4endl;
G4cout <<" px: " << p4rest.px() <<" py: " << p4rest.py() <<" pz: " << p4rest.pz() << G4endl;
G4cout <<" E = " << p4rest.e() << G4endl;
}
G4Fragment theCascadeRemnant(G4int(varntp->massini), G4int(varntp->mzini), p4rest);
thePrecoResult = thePrecoModel->DeExcite(theCascadeRemnant);
if(thePrecoResult != 0) {
G4ReactionProductVector::iterator fragment;
for(fragment = thePrecoResult->begin(); fragment != thePrecoResult->end(); fragment++) {
G4ParticleDefinition *theFragmentDefinition = (*fragment)->GetDefinition();
if(theFragmentDefinition != 0) {
G4DynamicParticle *theFragment = new G4DynamicParticle(theFragmentDefinition, (*fragment)->GetMomentum());
G4LorentzVector labMomentum = theFragment->Get4Momentum();
labMomentum.boost(p4.boostVector());
labMomentum *= toFragmentLab;
labMomentum *= toLabFrame;
theFragment->Set4Momentum(labMomentum);
fourMomentumBalance -= theFragment->Get4Momentum();
baryonNumberBalance -= theFragmentDefinition->GetAtomicMass();
chargeBalance -= theFragmentDefinition->GetAtomicNumber();
if(verboseLevel > 0) {
G4cout <<"Resulting fragment: " << G4endl;
G4cout <<" kinetic energy = " << theFragment->GetKineticEnergy() / MeV << " MeV" << G4endl;
G4cout <<" momentum = " << theFragment->GetMomentum().mag() / MeV << " MeV" << G4endl;
}
theResult.AddSecondary(theFragment);
} else {
G4cout <<"G4InclCascadeInterface: Error. Fragment produced by Fermi break-up does not exist." << G4endl;
G4cout <<"Resulting fragment: " << G4endl;
G4cout <<" momentum = " << (*fragment)->GetMomentum().mag() / MeV << " MeV" << G4endl;
}
}
delete thePrecoResult;
thePrecoResult = 0;
if(verboseLevel > 1 && std::abs(fourMomentumBalance.mag() / MeV) > 0.1 * MeV) {
G4cout <<"Four-momentum balance after remnant nucleus Fermi break-up:" << G4endl;
G4cout <<"Magnitude: " << fourMomentumBalance.mag() / MeV << " MeV" << G4endl;
G4cout <<"Vector components (px, py, pz, E) = ("
<< fourMomentumBalance.px() << ", "
<< fourMomentumBalance.py() << ", "
<< fourMomentumBalance.pz() << ", "
<< fourMomentumBalance.e() << ")" << G4endl;
}
if(baryonNumberBalance != 0 && verboseLevel > 1) {
G4cout <<"Baryon number balance after remnant nucleus Fermi break-up: " << baryonNumberBalance << G4endl;
}
if(chargeBalance != 0 && verboseLevel > 1) {
G4cout <<"Charge balance after remnant nucleus Fermi break-up: " << chargeBalance << G4endl;
}
}
// } // if(needsFermiBreakUp)
#ifdef DEBUGINCL
G4cout <<"--------------------------------------------------------------------------------" << G4endl;
G4double pt = std::sqrt(std::pow(labv.x(), 2) + std::pow(labv.y(), 2));
G4double ptA = std::sqrt(std::pow(labvA.x(), 2) + std::pow(labvA.y(), 2));
G4cout << labv.e() / MeV << std::setw(12)
<< eKinSum / MeV << std::setw(12)
<< labv.x() / MeV << std::setw(12)
<< labv.y() / MeV << std::setw(12)
<< labv.z() / MeV << std::setw(12)
<< pt / MeV << std::setw(12)
<< baryonNumber << std::setw(12)
<< chargeNumber << " totals" << G4endl;
G4cout << " - " << std::setw(12)
<< " - " << std::setw(12)
<< labvA.x() / MeV << std::setw(12)
<< labvA.y() / MeV << std::setw(12)
<< labvA.z() / MeV << std::setw(12)
<< ptA / MeV << std::setw(12)
<< " - " << std::setw(12) << " - " << " totals ABLA" << G4endl;
G4cout << G4endl;
if(verboseLevel > 3) {
if(baryonNumber != 0) {
G4cout <<"WARNING G4InclCascadeInterface: Baryon number conservation violated." << G4endl;
G4cout <<"Baryon number balance after the event: " << baryonNumber << G4endl;
if(baryonNumber < 0) {
G4cout <<"Too many baryons produced." << G4endl;
} else {
G4cout <<"Too few baryons produced." << G4endl;
}
}
}
#endif
varntp->ntrack = 0; // Clean up the number of generated particles in the event.
}
/**
* Report unsupported features.
* (Check bullet, target, energy range)
*/
else { // If the bullet type was not recognized by the interface, it will be returned back without any interaction.
theResult.SetStatusChange(stopAndKill);
cascadeParticle = new G4DynamicParticle(theTableOfParticles->FindParticle(aTrack.GetDefinition()), aTrack.Get4Momentum());
theResult.AddSecondary(cascadeParticle);
if(verboseLevel > 1) {
G4cout <<"ERROR G4InclCascadeInterface: Processing event number (internal) failed " << eventNumber << G4endl;
}
if(verboseLevel > 3) {
diagdata <<"ERROR G4InclCascadeInterface: Error processing event number (internal) failed " << eventNumber << G4endl;
}
if(bulletType == 0) {
if(verboseLevel > 1) {
G4cout <<"G4InclCascadeInterface: Unknown bullet type" << G4endl;
G4cout <<"Bullet particle name: " << cascadeParticle->GetDefinition()->GetParticleName() << G4endl;
}
if(verboseLevel > 3) {
diagdata <<"G4InclCascadeInterface: Unknown bullet type" << G4endl;
diagdata <<"Bullet particle name: " << cascadeParticle->GetDefinition()->GetParticleName() << G4endl;
}
}
if((calincl->targetA() == 1) && (calincl->targetZ() == 1)) { // Unsupported target
if(verboseLevel > 1) {
G4cout <<"Unsupported target: " << G4endl;
G4cout <<"Target A: " << calincl->targetA() << G4endl;
G4cout <<"TargetZ: " << calincl->targetZ() << G4endl;
}
if(verboseLevel > 3) {
diagdata <<"Unsupported target: " << G4endl;
diagdata <<"Target A: " << calincl->targetA() << G4endl;
diagdata <<"TargetZ: " << calincl->targetZ() << G4endl;
}
}
if(calincl->bulletE() < 100) { // INCL does not support E < 100 MeV.
if(verboseLevel > 1) {
G4cout <<"Unsupported bullet energy: " << calincl->bulletE() << " MeV. (Lower limit is 100 MeV)." << G4endl;
G4cout <<"WARNING: Returning the original bullet with original energy back to Geant4." << G4endl;
}
if(verboseLevel > 3) {
diagdata <<"Unsupported bullet energy: " << calincl->bulletE() << " MeV. (Lower limit is 100 MeV)." << G4endl;
}
}
if(verboseLevel > 3) {
diagdata <<"WARNING: returning the original bullet with original energy back to Geant4." << G4endl;
}
}
delete calincl;
calincl = 0;
return &theResult;
}
G4ReactionProductVector* G4InclCascadeInterface::Propagate(G4KineticTrackVector* , G4V3DNucleus* ) {
return 0;
}
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