include/Geant4/G4QGSMFragmentation.hh

0001 //
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0003 // * License and Disclaimer                                           *
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0024 // ********************************************************************
0025 //
0026 //
0027 //
0028 // -----------------------------------------------------------------------------
0029 //      GEANT 4 class implementation file
0030 //
0031 //      History: first implementation, Maxim Komogorov, 10-Jul-1998
0032 // -----------------------------------------------------------------------------
0033 #ifndef G4QGSMFragmentation_h
0034 #define G4QGSMFragmentation_h 1
0035
0036 #include "G4VLongitudinalStringDecay.hh"
0037
0038 //******************************************************************************
0039 class G4QGSMFragmentation:public G4VLongitudinalStringDecay
0040 {
0041   public:
0042     G4QGSMFragmentation();
0043     ~G4QGSMFragmentation();
0044     virtual G4KineticTrackVector* FragmentString(const G4ExcitedString& theString);
0045
0046   private:
0047     // not implemented to protect/forbid use
0048     G4QGSMFragmentation(const G4QGSMFragmentation &right);
0049     const G4QGSMFragmentation & operator=(const G4QGSMFragmentation &right);
0050     G4bool operator==(const G4QGSMFragmentation &right) const;
0051     G4bool operator!=(const G4QGSMFragmentation &right) const;
0052
0053   private:
0054     virtual G4bool StopFragmenting(const G4FragmentingString  * string);
0055     virtual G4bool IsItFragmentable(const G4FragmentingString * string);
0056
0057     virtual G4bool SplitLast(G4FragmentingString * string,
0058                      G4KineticTrackVector * LeftVector,
0059                              G4KineticTrackVector * RightVector);
0060
0061     virtual void Sample4Momentum(G4LorentzVector* Mom, G4double Mass, G4LorentzVector* AntiMom,
0062                                  G4double AntiMass, G4double InitialMass);
0063
0064     virtual G4KineticTrack * Splitup(G4FragmentingString *string,
0065                                      G4FragmentingString *&newString);
0066
0067     // The hadron can be producet at QuarkSplitup or DiQuarkSplitup
0068     // virtual G4ParticleDefinition * QuarkSplitup(G4ParticleDefinition* decay,
0069     //                                 G4ParticleDefinition *&created);
0070
0071     virtual G4ParticleDefinition * DiQuarkSplitup(G4ParticleDefinition* decay,
0072                                                   G4ParticleDefinition *&created);
0073
0074     virtual G4LorentzVector * SplitEandP(G4ParticleDefinition * pHadron,
0075                                          G4FragmentingString * string,
0076                                          G4FragmentingString * newString);
0077
0078     virtual G4double GetLightConeZ(G4double zmin, G4double zmax, G4int PartonEncoding,
0079                                    G4ParticleDefinition* pHadron, G4double Px, G4double Py);
0080
0081   private:
0082     // model parameters
0083     G4double arho;
0084     G4double aphi;
0085     G4double aJPs;        // alpha_J/Psi
0086     G4double aUps;        // alpha_Y
0087     G4double an;
0088     G4double ala;
0089
0090     G4double alaC;
0091     G4double alaB;
0092     G4double aXi;
0093     G4double aXiC;
0094     G4double aXiB;
0095     G4double aXiCC;
0096     G4double aXiCB;
0097     G4double aXiBB;
0098
0099     G4double aksi;
0100     G4double alft;
0101
0102     G4double FFq2q[5][5][2];
0103     G4double FFq2qq[5][15][2];
0104     G4double FFqq2q[15][5][2];
0105     G4double FFqq2qq[15][5][2];
0106
0107   private:
0108     void SetFFq2q();
0109     void SetFFq2qq();
0110     void SetFFqq2qq();
0111     void SetFFqq2q();
0112
0113     G4int IndexDiQ[5][5];
0114   };
0115
0116 // Class G4QGSMFragmentation
0117
0118 #endif
0119