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25 // 25 //
26 // 26 //
27 // 27 //
28 // ------------------------------------------- 28 // -----------------------------------------------------------------------------
29 // GEANT 4 class implementation file 29 // GEANT 4 class implementation file
30 // 30 //
31 // History: first implementation, Maxim K 31 // History: first implementation, Maxim Komogorov, 10-Jul-1998
32 // ------------------------------------------- 32 // -----------------------------------------------------------------------------
33 #ifndef G4QGSMFragmentation_h 33 #ifndef G4QGSMFragmentation_h
34 #define G4QGSMFragmentation_h 1 34 #define G4QGSMFragmentation_h 1
35 35
36 #include "G4VLongitudinalStringDecay.hh" 36 #include "G4VLongitudinalStringDecay.hh"
37 37
38 //******************************************** 38 //******************************************************************************
39 class G4QGSMFragmentation:public G4VLongitudin 39 class G4QGSMFragmentation:public G4VLongitudinalStringDecay
40 { 40 {
41 public: 41 public:
42 G4QGSMFragmentation(); 42 G4QGSMFragmentation();
43 ~G4QGSMFragmentation(); 43 ~G4QGSMFragmentation();
44 virtual G4KineticTrackVector* FragmentStri 44 virtual G4KineticTrackVector* FragmentString(const G4ExcitedString& theString);
45 45
46 private: 46 private:
47 // not implemented to protect/forbid use 47 // not implemented to protect/forbid use
48 G4QGSMFragmentation(const G4QGSMFragmentat 48 G4QGSMFragmentation(const G4QGSMFragmentation &right);
49 const G4QGSMFragmentation & operator=(cons 49 const G4QGSMFragmentation & operator=(const G4QGSMFragmentation &right);
50 G4bool operator==(const G4QGSMFragmentatio << 50 int operator==(const G4QGSMFragmentation &right) const;
51 G4bool operator!=(const G4QGSMFragmentatio << 51 int operator!=(const G4QGSMFragmentation &right) const;
52 52
53 private: 53 private:
54 virtual G4bool StopFragmenting(const G4Fra << 54 void SetMinMasses();
55 virtual G4bool IsItFragmentable(const G4Fr << 55 void SetMinimalStringMass(const G4FragmentingString * const string);
>> 56 void SetMinimalStringMass2(const G4double aValue);
>> 57
>> 58 virtual G4bool StopFragmenting(const G4FragmentingString * const string);
>> 59 virtual G4bool IsFragmentable(const G4FragmentingString * const string);
56 60
57 virtual G4bool SplitLast(G4FragmentingStri 61 virtual G4bool SplitLast(G4FragmentingString * string,
58 G4KineticTrackVector * LeftVe 62 G4KineticTrackVector * LeftVector,
59 G4KineticTrackVec 63 G4KineticTrackVector * RightVector);
60 64
61 virtual void Sample4Momentum(G4LorentzVect 65 virtual void Sample4Momentum(G4LorentzVector* Mom, G4double Mass, G4LorentzVector* AntiMom,
62 G4double Anti 66 G4double AntiMass, G4double InitialMass);
63 67
64 virtual G4KineticTrack * Splitup(G4Fragmen 68 virtual G4KineticTrack * Splitup(G4FragmentingString *string,
65 G4Fragmen 69 G4FragmentingString *&newString);
66 70
67 // The hadron can be producet at QuarkSpli <<
68 // virtual G4ParticleDefinition * QuarkSpl <<
69 // G4Particl <<
70 <<
71 virtual G4ParticleDefinition * DiQuarkSpli <<
72 <<
73 <<
74 virtual G4LorentzVector * SplitEandP(G4Par 71 virtual G4LorentzVector * SplitEandP(G4ParticleDefinition * pHadron,
75 G4Fra 72 G4FragmentingString * string,
76 G4Fra 73 G4FragmentingString * newString);
77 74
78 virtual G4double GetLightConeZ(G4double zm 75 virtual G4double GetLightConeZ(G4double zmin, G4double zmax, G4int PartonEncoding,
79 G4ParticleD 76 G4ParticleDefinition* pHadron, G4double Px, G4double Py);
80 77
81 private: << 78 virtual G4ParticleDefinition * DiQuarkSplitup(G4ParticleDefinition* decay,
82 // model parameters << 79 G4ParticleDefinition *&created);
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 80
107 private: 81 private:
108 void SetFFq2q(); << 82 // ------ For estimation of a minimal string mass ---------------
109 void SetFFq2qq(); << 83 G4double Mass_of_light_quark;
110 void SetFFqq2qq(); << 84 G4double Mass_of_heavy_quark;
111 void SetFFqq2q(); << 85 G4double Mass_of_string_junction;
>> 86
>> 87 G4double minMassQQbarStr[3][3];
>> 88 G4double minMassQDiQStr[3][3][3];
>> 89
>> 90 // ------ An estimated minimal string mass ----------------------
>> 91 G4double MinimalStringMass;
>> 92 G4double MinimalStringMass2;
>> 93
>> 94 // model parameters
>> 95 const G4double arho;
>> 96 const G4double aphi;
>> 97 const G4double an;
>> 98 const G4double ala;
>> 99 const G4double aksi;
>> 100 const G4double alft;
112 101
113 G4int IndexDiQ[5][5]; <<
114 }; 102 };
115 103
116 // Class G4QGSMFragmentation 104 // Class G4QGSMFragmentation
117 <<
118 #endif 105 #endif
119 106
120 107