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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 33
34 #ifndef G4LundStringFragmentation_h 34 #ifndef G4LundStringFragmentation_h
35 #define G4LundStringFragmentation_h 1 35 #define G4LundStringFragmentation_h 1
36 36
37 #include "G4VLongitudinalStringDecay.hh" 37 #include "G4VLongitudinalStringDecay.hh"
38 38
39 //******************************************** << 39 //**************************************************************************************************************
40 40
41 class G4LundStringFragmentation: public G4VLon 41 class G4LundStringFragmentation: public G4VLongitudinalStringDecay
42 { << 42 {
43 public: << 43 public:
>> 44
44 G4LundStringFragmentation(); 45 G4LundStringFragmentation();
45 virtual ~G4LundStringFragmentation(); 46 virtual ~G4LundStringFragmentation();
46 47
47 virtual G4KineticTrackVector* FragmentStri 48 virtual G4KineticTrackVector* FragmentString(const G4ExcitedString& theString);
48 49
49 private: << 50 private:
50 // not implemented to protect/forbid use 51 // not implemented to protect/forbid use
51 G4LundStringFragmentation(const G4LundStri 52 G4LundStringFragmentation(const G4LundStringFragmentation &right);
52 const G4LundStringFragmentation & operator 53 const G4LundStringFragmentation & operator=(const G4LundStringFragmentation &right);
53 G4bool operator==(const G4LundStringFragme << 54 int operator==(const G4LundStringFragmentation &right) const;
54 G4bool operator!=(const G4LundStringFragme << 55 int operator!=(const G4LundStringFragmentation &right) const;
>> 56
>> 57 private:
>> 58 void SetMinMasses();
>> 59 void SetMinimalStringMass(const G4FragmentingString * const string);
>> 60 void SetMinimalStringMass2(const G4double aValue);
>> 61
>> 62 virtual G4bool StopFragmenting(const G4FragmentingString * const string);
>> 63 virtual G4bool IsFragmentable(const G4FragmentingString * const string);
>> 64
>> 65 virtual G4bool SplitLast(G4FragmentingString * string,
>> 66 G4KineticTrackVector * LeftVector,
>> 67 G4KineticTrackVector * RightVector);
>> 68
>> 69 virtual void Sample4Momentum(G4LorentzVector* Mom, G4double Mass,
>> 70 G4LorentzVector* AntiMom, G4double AntiMass,
>> 71 G4double InitialMass);
>> 72
>> 73 virtual G4KineticTrack * Splitup(G4FragmentingString *string,
>> 74 G4FragmentingString *&newString);
>> 75
>> 76 virtual G4LorentzVector * SplitEandP(G4ParticleDefinition * pHadron,
>> 77 G4FragmentingString * string,
>> 78 G4FragmentingString * newString);
>> 79
>> 80 virtual G4double GetLightConeZ(G4double zmin, G4double zmax,
>> 81 G4int PartonEncoding,
>> 82 G4ParticleDefinition* pHadron,
>> 83 G4double Px, G4double Py);
55 84
56 private: << 85 G4double lambda(G4double s, G4double m1_Sqr, G4double m2_Sqr);
57 virtual G4bool StopFragmenting(const G4Fra <<
58 virtual G4bool IsItFragmentable(const G4Fr <<
59 86
60 virtual G4bool SplitLast(G4FragmentingStri << 87 virtual G4ParticleDefinition * DiQuarkSplitup(G4ParticleDefinition* decay,
61 G4KineticTrackVector * LeftVe << 88 G4ParticleDefinition *&created);
62 G4KineticTrackVector * RightV <<
63 89
64 virtual void Sample4Momentum(G4LorentzVect << 90 private:
65 G4LorentzVect <<
66 G4double Init <<
67 91
68 virtual G4KineticTrack * Splitup(G4Fragmen << 92 G4bool Loop_toFragmentString(const G4ExcitedString & theStringInCMS,
69 G4Fragmen << 93 G4KineticTrackVector * & LeftVector,
>> 94 G4KineticTrackVector * & RightVector);
70 95
71 virtual G4LorentzVector * SplitEandP(G4Par << 96 G4bool Diquark_AntiDiquark_belowThreshold_lastSplitting(G4FragmentingString * & string,
72 G4Fra << 97 G4ParticleDefinition * & LeftHadron,
73 G4Fra << 98 G4ParticleDefinition * & RightHadron);
74 99
75 virtual G4double GetLightConeZ(G4double zm << 100 G4bool Diquark_AntiDiquark_aboveThreshold_lastSplitting(G4FragmentingString * & string,
76 G4int Parto << 101 G4ParticleDefinition * & LeftHadron,
77 G4ParticleD << 102 G4ParticleDefinition * & RightHadron);
78 G4double Px <<
79 103
80 G4double lambda(G4double s, G4double m1_Sq << 104 G4bool Quark_AntiQuark_lastSplitting(G4FragmentingString * & string,
>> 105 G4ParticleDefinition * & LeftHadron,
>> 106 G4ParticleDefinition * & RightHadron);
81 107
82 // virtual G4ParticleDefinition * QuarkSpl << 108 G4bool Quark_Diquark_lastSplitting(G4FragmentingString * & string,
83 // << 109 G4ParticleDefinition * & LeftHadron,
>> 110 G4ParticleDefinition * & RightHadron );
84 111
85 virtual G4ParticleDefinition * DiQuarkSpli << 112 G4int SampleState(void);
86 <<
87 113
88 private: << 114 private:
89 G4bool Loop_toFragmentString(const G4Excit << 115 // ------ For estimation of a minimal string mass ---------------
90 G4KineticTrac << 116 G4double Mass_of_light_quark;
91 G4KineticTrac << 117 G4double Mass_of_heavy_quark;
>> 118 G4double Mass_of_string_junction;
92 119
93 G4bool Diquark_AntiDiquark_belowThreshold_ << 120 G4double minMassQQbarStr[3][3];
94 << 121 G4double minMassQDiQStr[3][3][3];
95 <<
96 122
97 G4bool Diquark_AntiDiquark_aboveThreshold_ << 123 // ------ An estimated minimal string mass ----------------------
98 << 124 G4double MinimalStringMass;
99 << 125 G4double MinimalStringMass2;
100 126
101 G4bool Quark_AntiQuark_lastSplitting(G4Fra << 127 G4int Meson[3][3][6];
102 G4Par << 128 G4double MesonWeight[3][3][6];
103 G4Par <<
104 129
105 G4bool Quark_Diquark_lastSplitting(G4Fragm << 130 G4int Baryon[3][3][3][4];
106 G4Parti << 131 G4double BaryonWeight[3][3][3][4];
107 G4Parti <<
108 132
109 G4int SampleState(void); << 133 G4double Prob_QQbar[3];
110 134
111 G4double Tmt; // "Temperature" for sampli << 135 // ------ To improve the code structure
>> 136 G4ParticleDefinition * FS_LeftHadron[35], * FS_RightHadron[35];
>> 137 G4double FS_Weight[35];
>> 138 G4int NumberOf_FS;
112 139
113 }; 140 };
114 141
115 //******************************************** << 142 //**************************************************************************************************************
116 // Class G4LundStringFragmentation 143 // Class G4LundStringFragmentation
117 144
118 #endif 145 #endif
119 146
120 147