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25 //
26 //
27 //
28 // -----------------------------------------------------------------------------
29 // GEANT 4 class implementation file
30 //
31 // History: first implementation, Maxim Komogorov, 10-Jul-1998
32 // -----------------------------------------------------------------------------
33 #ifndef G4QGSMFragmentation_h
34 #define G4QGSMFragmentation_h 1
35
36 #include "G4VLongitudinalStringDecay.hh"
37
38 //******************************************************************************
39 class G4QGSMFragmentation:public G4VLongitudinalStringDecay
40 {
41 public:
42 G4QGSMFragmentation();
43 ~G4QGSMFragmentation();
44 virtual G4KineticTrackVector* FragmentString(const G4ExcitedString& theString);
45
46 private:
47 // not implemented to protect/forbid use
48 G4QGSMFragmentation(const G4QGSMFragmentation &right);
49 const G4QGSMFragmentation & operator=(const G4QGSMFragmentation &right);
50 G4bool operator==(const G4QGSMFragmentation &right) const;
51 G4bool operator!=(const G4QGSMFragmentation &right) const;
52
53 private:
54 virtual G4bool StopFragmenting(const G4FragmentingString * string);
55 virtual G4bool IsItFragmentable(const G4FragmentingString * string);
56
57 virtual G4bool SplitLast(G4FragmentingString * string,
58 G4KineticTrackVector * LeftVector,
59 G4KineticTrackVector * RightVector);
60
61 virtual void Sample4Momentum(G4LorentzVector* Mom, G4double Mass, G4LorentzVector* AntiMom,
62 G4double AntiMass, G4double InitialMass);
63
64 virtual G4KineticTrack * Splitup(G4FragmentingString *string,
65 G4FragmentingString *&newString);
66
67 // The hadron can be producet at QuarkSplitup or DiQuarkSplitup
68 // virtual G4ParticleDefinition * QuarkSplitup(G4ParticleDefinition* decay,
69 // G4ParticleDefinition *&created);
70
71 virtual G4ParticleDefinition * DiQuarkSplitup(G4ParticleDefinition* decay,
72 G4ParticleDefinition *&created);
73
74 virtual G4LorentzVector * SplitEandP(G4ParticleDefinition * pHadron,
75 G4FragmentingString * string,
76 G4FragmentingString * newString);
77
78 virtual G4double GetLightConeZ(G4double zmin, G4double zmax, G4int PartonEncoding,
79 G4ParticleDefinition* pHadron, G4double Px, G4double Py);
80
81 private:
82 // model parameters
83 G4double arho;
84 G4double aphi;
85 G4double aJPs; // alpha_J/Psi
86 G4double aUps; // alpha_Y
87 G4double an;
88 G4double ala;
89
90 G4double alaC;
91 G4double alaB;
92 G4double aXi;
93 G4double aXiC;
94 G4double aXiB;
95 G4double aXiCC;
96 G4double aXiCB;
97 G4double aXiBB;
98
99 G4double aksi;
100 G4double alft;
101
102 G4double FFq2q[5][5][2];
103 G4double FFq2qq[5][15][2];
104 G4double FFqq2q[15][5][2];
105 G4double FFqq2qq[15][5][2];
106
107 private:
108 void SetFFq2q();
109 void SetFFq2qq();
110 void SetFFqq2qq();
111 void SetFFqq2q();
112
113 G4int IndexDiQ[5][5];
114 };
115
116 // Class G4QGSMFragmentation
117
118 #endif
119
120