G4PomeronCrossSection.hh

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#ifndef G4PomeronCrossSection_h
#define G4PomeronCrossSection_h 1
//
// $Id$
//
#include "G4Proton.hh"
#include "G4Neutron.hh"

#include "G4PionPlus.hh"
#include "G4PionMinus.hh"
#include "G4PionZero.hh"

#include "G4KaonPlus.hh"
#include "G4KaonMinus.hh"
#include "G4KaonZero.hh"
#include "G4KaonZeroShort.hh"
#include "G4KaonZeroLong.hh"
#include "G4Gamma.hh"

class G4PomeronCrossSection
{

  public:
        G4PomeronCrossSection(const G4ParticleDefinition * );
        G4PomeronCrossSection(const G4Proton * );
        G4PomeronCrossSection(const G4Neutron * );

        G4PomeronCrossSection(const G4PionPlus * );
        G4PomeronCrossSection(const G4PionMinus * );
        G4PomeronCrossSection(const G4PionZero * );

        G4PomeronCrossSection(const G4KaonPlus * );
        G4PomeronCrossSection(const G4KaonMinus * );
        G4PomeronCrossSection(const G4KaonZero * );
        G4PomeronCrossSection(const G4KaonZeroLong * );
        G4PomeronCrossSection(const G4KaonZeroShort * );

        G4PomeronCrossSection(const G4Gamma * );

        ~G4PomeronCrossSection();
//                                      s = (center of mass energy)**2  
        G4double GetTotalCrossSection(const G4double s);
        G4double GetDiffractiveCrossSection(const G4double s);
        G4double GetElasticCrossSection(const G4double s);
        G4double GetInelasticCrossSection(const G4double s);

        G4double GetTotalProbability(const G4double s, 
                                  const G4double impactsquare);
        G4double GetDiffractiveProbability(const G4double s,
                                        const G4double impactsquare);
        G4double GetNondiffractiveProbability(const G4double s,
                                        const G4double impactsquare);
        G4double GetElasticProbability(const G4double s,
                                    const G4double impactsquare);

        G4double GetInelasticProbability(const G4double s, 
                                      const G4double impactsquare);
                                      
        G4double GetCutPomeronProbability(const G4double s,
                        const G4double impactsquare, const G4int nPomerons);
        
        void Setgamma(const G4double agam); // temporary only! GF.
        G4double SoftEikonal(G4double s, G4double impactsquare);
        G4double HardEikonal(G4double s, G4double impactsquare);
        
        void Pomeron_S(G4double apomeron_S){ pomeron_S = apomeron_S;}
        void Pomeron_Gamma(G4double apomeron_Gamma){ pomeron_Gamma = apomeron_Gamma;}
        void Pomeron_C(G4double apomeron_C){ pomeron_C = apomeron_C;}
        void Pomeron_Rsquare(G4double apomeron_Rsquare){ pomeron_Rsquare = apomeron_Rsquare;}
        void Pomeron_Alpha(G4double apomeron_Alpha){ pomeron_Alpha = apomeron_Alpha;}
        void Pomeron_Alphaprime(G4double apomeron_Alphaprime){ pomeron_Alphaprime = apomeron_Alphaprime;}
        void Pomeron_Gamma_Hard(G4double apomeron_Gamma_Hard){ pomeron_Gamma_Hard = apomeron_Gamma_Hard;}
        void Pomeron_Alpha_Hard(G4double apomeron_Alpha_Hard){ pomeron_Alpha_Hard = apomeron_Alpha_Hard;}

  private: 
        G4double PowerSoft(const G4double s);
        G4double PowerHard(const G4double s);
        G4double LambdaSoft(const G4double s);
        G4double LambdaHard(const G4double s);
        G4double Zsoft(const G4double s);
        G4double Zhard(const G4double s);
  
        G4PomeronCrossSection();
        void InitForNucleon();
        void InitForPion();
        void InitForKaon();
        void InitForGamma();
        
        G4double Expand(G4double z);
        inline G4double Z(const G4double Scms);
        inline G4double SigP(const G4double Scms);
        inline G4double Power(const G4double Scms);
        inline G4double Lambda(const G4double s);
        inline G4double Eikonal(const G4double s,const G4double impactsquare);
        
        G4double pomeron_Alpha;
        G4double pomeron_Alpha_Hard;
        G4double pomeron_Alphaprime;
        G4double pomeron_C;
        G4double pomeron_Gamma;
        G4double pomeron_Gamma_Hard;
        G4double pomeron_Rsquare;
        G4double pomeron_S;
        

};
#endif

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