Gabriele Cosmo
125 lines
4.2 KiB
C++
125 lines
4.2 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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#ifndef G4HeavyIonParticipants_h
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#define G4HeavyIonParticipants_h 1
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#include "Randomize.hh"
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#include "G4VParticipants.hh"
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#include "G4Nucleon.hh"
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#include "G4InteractionContent.hh"
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#include "G4PomeronCrossSection.hh"
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#include "G4DiffractiveExcitation.hh"
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#include "G4SingleDiffractiveExcitation.hh"
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#include "G4PartonPair.hh"
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#include "G4QGSMSplitableHadron.hh"
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G4int G4IonParticipants_NPart = 0;
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G4int G4IonParticipants_NPro = 0;
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class G4HeavyIonParticipants : public G4VParticipants
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{
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enum { SOFT, HARD, DIFFRACTIVE };
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public:
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G4HeavyIonParticipants();
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G4HeavyIonParticipants(const G4HeavyIonParticipants &right);
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const G4HeavyIonParticipants & operator=(const G4HeavyIonParticipants &right);
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~G4HeavyIonParticipants();
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int operator==(const G4HeavyIonParticipants &right) const;
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int operator!=(const G4HeavyIonParticipants &right) const;
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G4PartonPair* GetNextPartonPair();
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void BuildInteractions(const G4ReactionProduct &thePrimary);
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void StartPartonPairLoop();
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virtual void DoLorentzBoost(Hep3Vector aBoost)
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{
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if(theNucleus) theNucleus->DoLorentzBoost(aBoost);
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theBoost = aBoost;
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}
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private:
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void SplitHadrons();
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void PerformSoftCollisions();
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void PerformDiffractiveCollisions();
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private:
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std::vector<G4InteractionContent*> theInteractions;
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struct DeleteInteractionContent {void operator()(G4InteractionContent*aC){delete aC;}};
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std::vector<G4VSplitableHadron*> theTargets;
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std::vector<G4VSplitableHadron*> theProjectiles;
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struct DeleteSplitableHadron{void operator()(G4VSplitableHadron*aS){delete aS;}};
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std::vector<G4PartonPair*> thePartonPairs;
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struct DeletePartonPair{void operator()(G4PartonPair*aP){delete aP;}};
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G4Fancy3DNucleus theIncoming;
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G4SingleDiffractiveExcitation theSingleDiffExcitation;
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G4DiffractiveExcitation theDiffExcitaton;
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G4int ModelMode;
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G4bool IsSingleDiffractive();
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G4ThreeVector theBoost;
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private:
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// model parameters HPW
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const G4int nCutMax;
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const G4double ThersholdParameter;
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const G4double QGSMThershold;
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const G4double theNucleonRadius;
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G4PomeronCrossSection theProtonProbability;
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G4PomeronCrossSection theNeutronProbability;
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};
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inline G4bool G4HeavyIonParticipants::IsSingleDiffractive()
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{
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G4bool result=false;
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if(G4UniformRand()<1.) result = true;
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return result;
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}
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inline void G4HeavyIonParticipants::StartPartonPairLoop()
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{
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}
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inline G4PartonPair* G4HeavyIonParticipants::GetNextPartonPair()
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{
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if (thePartonPairs.empty()) return 0;
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G4PartonPair * result = thePartonPairs.back();
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thePartonPairs.pop_back();
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return result;
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}
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inline void G4HeavyIonParticipants::SplitHadrons()
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{
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unsigned int i;
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for(i = 0; i < theInteractions.size(); i++)
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{
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theInteractions[i]->SplitHadrons();
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}
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}
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#endif
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