Gabriele Cosmo
194 lines
6.3 KiB
C++
194 lines
6.3 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4FTFModel.cc,v 1.5 2005/06/04 13:47:01 jwellisc Exp $
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// GEANT4 tag $Name: geant4-08-00 $
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//
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// ------------------------------------------------------------
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// GEANT 4 class implementation file
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//
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// ---------------- G4FTFModel ----------------
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// by Gunter Folger, May 1998.
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// class implementing the excitation in the FTF Parton String Model
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// ------------------------------------------------------------
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#include "G4FTFModel.hh"
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#include "G4FTFParticipants.hh"
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#include "G4InteractionContent.hh"
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#include "G4LorentzRotation.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4ios.hh"
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// Class G4FTFModel
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G4FTFModel::G4FTFModel(G4double sigmaPt, G4double minExtraMass,G4double x0Mass)
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:
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theExcitation(new G4DiffractiveExcitation(sigmaPt,minExtraMass,x0Mass))
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{
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G4VPartonStringModel::SetThisPointer(this);
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}
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G4FTFModel::G4FTFModel(G4DiffractiveExcitation * anExcitation)
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:
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theExcitation(anExcitation)
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{
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G4VPartonStringModel::SetThisPointer(this);
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}
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G4FTFModel::~G4FTFModel()
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{}
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const G4FTFModel & G4FTFModel::operator=(const G4FTFModel &)
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{
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throw G4HadronicException(__FILE__, __LINE__, "G4FTFModel::operator= is not meant to be accessed ");
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return *this;
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}
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int G4FTFModel::operator==(const G4FTFModel &right) const
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{
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return this==&right;
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}
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int G4FTFModel::operator!=(const G4FTFModel &right) const
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{
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return this!=&right;
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}
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void G4FTFModel::Init(const G4Nucleus & aNucleus, const G4DynamicParticle & aProjectile)
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{
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theParticipants.Init(aNucleus.GetN(),aNucleus.GetZ());
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theProjectile = aProjectile;
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}
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G4ExcitedStringVector * G4FTFModel::GetStrings()
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{
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theParticipants.BuildInteractions(theProjectile);
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if (! ExciteParticipants()) return NULL;;
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G4ExcitedStringVector * theStrings = BuildStrings();
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return theStrings;
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}
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struct DeleteVSplitableHadron { void operator()(G4VSplitableHadron * aH){delete aH;} };
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G4ExcitedStringVector * G4FTFModel::BuildStrings()
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{
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// Loop over all collisions; find all primaries, and all target ( targets may
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// be duplicate in the List ( to unique G4VSplitableHadrons)
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G4ExcitedStringVector * strings;
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strings = new G4ExcitedStringVector();
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std::vector<G4VSplitableHadron *> primaries;
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std::vector<G4VSplitableHadron *> targets;
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theParticipants.StartLoop(); // restart a loop
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while ( theParticipants.Next() )
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{
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const G4InteractionContent & interaction=theParticipants.GetInteraction();
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// do not allow for duplicates ...
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if ( primaries.end() == std::find(primaries.begin(), primaries.end(), interaction.GetProjectile()) )
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primaries.push_back(interaction.GetProjectile());
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if ( targets.end() == std::find(targets.begin(), targets.end(),interaction.GetTarget()) )
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targets.push_back(interaction.GetTarget());
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}
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// G4cout << "BuildStrings prim/targ " << primaries.entries() << " , " <<
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// targets.entries() << G4endl;
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unsigned int ahadron;
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for ( ahadron=0; ahadron < primaries.size() ; ahadron++)
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{
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G4bool isProjectile=true;
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strings->push_back(theExcitation->String(primaries[ahadron], isProjectile));
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}
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for ( ahadron=0; ahadron < targets.size() ; ahadron++)
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{
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G4bool isProjectile=false;
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strings->push_back(theExcitation->String(targets[ahadron], isProjectile));
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}
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std::for_each(primaries.begin(), primaries.end(), DeleteVSplitableHadron());
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primaries.clear();
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std::for_each(targets.begin(), targets.end(), DeleteVSplitableHadron());
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targets.clear();
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return strings;
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}
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G4bool G4FTFModel::ExciteParticipants()
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{
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// G4cout << "G4FTFModel::ExciteParticipants starting " << G4endl;
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while (theParticipants.Next())
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{
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// G4cout << "next Collision " << G4endl;
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const G4InteractionContent & collision=theParticipants.GetInteraction();
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// G4cout << " soft colls : " << collision.GetNumberOfSoftCollisions() << G4endl;
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G4VSplitableHadron * projectile=collision.GetProjectile();
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G4VSplitableHadron * target=collision.GetTarget();
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if ( ! theExcitation->ExciteParticipants(projectile, target) )
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{
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// give up, clean up
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std::vector<G4VSplitableHadron *> primaries;
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std::vector<G4VSplitableHadron *> targets;
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theParticipants.StartLoop(); // restart a loop
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while ( theParticipants.Next() )
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{
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const G4InteractionContent & interaction=theParticipants.GetInteraction();
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// do not allow for duplicates ...
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if ( primaries.end() == std::find(primaries.begin(), primaries.end(), interaction.GetProjectile()) )
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primaries.push_back(interaction.GetProjectile());
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if ( targets.end() == std::find(targets.begin(), targets.end(),interaction.GetTarget()) )
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targets.push_back(interaction.GetTarget());
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}
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std::for_each(primaries.begin(), primaries.end(), DeleteVSplitableHadron());
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primaries.clear();
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std::for_each(targets.begin(), targets.end(), DeleteVSplitableHadron());
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targets.clear();
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return false;
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}
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}
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return true;
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}
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