G4QGSMSplitableHadron.hh

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#ifndef G4QGSMSplitableHadron_h
#define G4QGSMSplitableHadron_h 1

#include "G4VSplitableHadron.hh"
#include "G4PartonVector.hh"
#include "G4MesonSplitter.hh"
#include "G4BaryonSplitter.hh"
#include "Randomize.hh"
#include <deque>

// based on prototype by Maxim Komogorov
// Splitting into methods, and centralizing of model parameters HPW Feb 1999
// continued clean-up of interfaces and algorithms HPW 1999.
// Redesign of data structures and algorithms HPW Feb 1999

class G4QGSMSplitableHadron : public G4VSplitableHadron
{

public:
        G4QGSMSplitableHadron();
        G4QGSMSplitableHadron(const G4ReactionProduct & aPrimary);
        G4QGSMSplitableHadron(const G4ReactionProduct & aPrimary, G4bool Direction);
        G4QGSMSplitableHadron(const G4Nucleon & aNucleon);
        G4QGSMSplitableHadron(const G4Nucleon & aNucleon, G4bool Direction);

        virtual ~G4QGSMSplitableHadron();

private:
        const G4QGSMSplitableHadron & operator=(const G4QGSMSplitableHadron &right);

public:
        virtual void SplitUp();
        virtual void SetFirstParton(G4int PDGcode);  // Uzhi 24.11.10
        virtual void SetSecondParton(G4int PDGcode);  // Uzhi 24.11.10
        virtual G4Parton * GetNextParton();
        virtual G4Parton * GetNextAntiParton();

private:
        void InitParameters();
        void DiffractiveSplitUp();
        void SoftSplitUp();
        G4ThreeVector GaussianPt(G4double widthSquare, G4double maxPtSquare);
        void GetValenceQuarkFlavors(const G4ParticleDefinition * aPart,
                        G4Parton *& Parton1, G4Parton *& Parton2);
        G4Parton * BuildSeaQuark(G4bool isAntiQuark, G4int aPDGCode, G4int nSeaPair);
        G4double SampleX(G4double anXmin, G4int nSea, G4int theTotalSea, G4double aBeta);

private:
        // aggregated data
        G4bool Direction; // FALSE is target. - candidate for more detailed design. @@@@ HPW

        std::deque<G4Parton *> Color;
        std::deque<G4Parton *> AntiColor;
private:
        // associated classes
        G4MesonSplitter theMesonSplitter;
        G4BaryonSplitter theBaryonSplitter;

private:
        // model parameters
        G4double alpha;
        G4double beta;
        G4double theMinPz;
        G4double StrangeSuppress;
        G4double sigmaPt;
        G4double widthOfPtSquare;
        G4double minTransverseMass;
};

inline G4Parton* G4QGSMSplitableHadron::GetNextParton()
{
        if(Color.size()==0) return 0;
        G4Parton * result = Color.back();
        Color.pop_back();
        return result;
}

inline G4Parton* G4QGSMSplitableHadron::GetNextAntiParton()
{
        if(AntiColor.size() == 0) return 0;
        G4Parton * result = AntiColor.front();
        AntiColor.pop_front();
        return result;
}

inline void G4QGSMSplitableHadron::SetFirstParton(G4int PDGcode)  // Uzhi 24.11.10
{PDGcode++;}
inline void G4QGSMSplitableHadron::SetSecondParton(G4int PDGcode)  // Uzhi 24.11.10
{PDGcode++;}
#endif

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