G4QGSParticipants.hh

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#ifndef G4QGSParticipants_h
#define G4QGSParticipants_h 1

#include "Randomize.hh"
#include "G4VParticipants.hh"
#include "G4Nucleon.hh"
#include "G4InteractionContent.hh"
#include "G4PomeronCrossSection.hh"
#include "G4QGSDiffractiveExcitation.hh"
#include "G4SingleDiffractiveExcitation.hh"
#include "G4PartonPair.hh" 
#include "G4QGSMSplitableHadron.hh" 
#include "G4V3DNucleus.hh"


class G4QGSParticipants : public G4VParticipants
{
public:
        G4QGSParticipants();
        G4QGSParticipants(const G4QGSParticipants &right);
        const G4QGSParticipants & operator=(const G4QGSParticipants &right);
        virtual ~G4QGSParticipants();

        int operator==(const G4QGSParticipants &right) const;
        int operator!=(const G4QGSParticipants &right) const;

        virtual void DoLorentzBoost(G4ThreeVector aBoost)
        {
                if(theNucleus) theNucleus->DoLorentzBoost(aBoost);
                theBoost = aBoost;
        }

        G4PartonPair* GetNextPartonPair();
        void BuildInteractions(const G4ReactionProduct  &thePrimary);
        void StartPartonPairLoop();

protected:
        virtual G4VSplitableHadron* SelectInteractions(const G4ReactionProduct  &thePrimary);
        void SplitHadrons(); 
        void PerformSoftCollisions();
        void PerformDiffractiveCollisions();

protected:
        struct DeleteInteractionContent {void operator()(G4InteractionContent*aC){delete aC;}};
        std::vector<G4InteractionContent*> theInteractions;
        struct DeleteSplitableHadron{void operator()(G4VSplitableHadron*aS){delete aS;}};
        std::vector<G4VSplitableHadron*>   theTargets;
        struct DeletePartonPair{void operator()(G4PartonPair*aP){delete aP;}};
        std::vector<G4PartonPair*>   thePartonPairs;

        G4SingleDiffractiveExcitation theSingleDiffExcitation;
        G4QGSDiffractiveExcitation theDiffExcitaton;
        G4int ModelMode;
        G4bool IsSingleDiffractive();

        G4ThreeVector theBoost;

protected:
        // model parameters HPW
        enum  { SOFT, DIFFRACTIVE };
        const G4int nCutMax;
        const G4double ThresholdParameter;
        const G4double QGSMThreshold;
        const G4double theNucleonRadius;

};


inline G4bool G4QGSParticipants::IsSingleDiffractive()
{
        G4bool result=false;
        if(G4UniformRand()<1.) result = true;
        return result;
}

inline void G4QGSParticipants::StartPartonPairLoop()
{
}

inline G4PartonPair* G4QGSParticipants::GetNextPartonPair()
{
        if (thePartonPairs.empty()) return 0;
        G4PartonPair * result = thePartonPairs.back();
        thePartonPairs.pop_back();
        return result;
}


inline void G4QGSParticipants::SplitHadrons()
{
        unsigned int i;
        for(i = 0; i < theInteractions.size(); i++)
        {
                theInteractions[i]->SplitHadrons();
        }
}

#endif