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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // 26 //
>> 27 // $Id$
27 // 28 //
28 // ------------------------------------------- 29 // -----------------------------------------------------------------------------
29 // GEANT 4 class implementation file 30 // GEANT 4 class implementation file
30 // 31 //
31 // History: first implementation, Maxim K 32 // History: first implementation, Maxim Komogorov, 10-Jul-1998
32 // ------------------------------------------- 33 // -----------------------------------------------------------------------------
33 34
34 #ifndef G4LundStringFragmentation_h 35 #ifndef G4LundStringFragmentation_h
35 #define G4LundStringFragmentation_h 1 36 #define G4LundStringFragmentation_h 1
36 37
37 #include "G4VLongitudinalStringDecay.hh" 38 #include "G4VLongitudinalStringDecay.hh"
38 39
39 //******************************************** << 40 //**************************************************************************************************************
40 41
41 class G4LundStringFragmentation: public G4VLon 42 class G4LundStringFragmentation: public G4VLongitudinalStringDecay
42 { << 43 {
43 public: << 44 public:
>> 45
44 G4LundStringFragmentation(); 46 G4LundStringFragmentation();
45 virtual ~G4LundStringFragmentation(); 47 virtual ~G4LundStringFragmentation();
46 48
47 virtual G4KineticTrackVector* FragmentStri 49 virtual G4KineticTrackVector* FragmentString(const G4ExcitedString& theString);
48 50
49 private: << 51 private:
50 // not implemented to protect/forbid use 52 // not implemented to protect/forbid use
51 G4LundStringFragmentation(const G4LundStri 53 G4LundStringFragmentation(const G4LundStringFragmentation &right);
52 const G4LundStringFragmentation & operator 54 const G4LundStringFragmentation & operator=(const G4LundStringFragmentation &right);
53 G4bool operator==(const G4LundStringFragme << 55 int operator==(const G4LundStringFragmentation &right) const;
54 G4bool operator!=(const G4LundStringFragme << 56 int operator!=(const G4LundStringFragmentation &right) const;
55 <<
56 private: <<
57 virtual G4bool StopFragmenting(const G4Fra <<
58 virtual G4bool IsItFragmentable(const G4Fr <<
59 <<
60 virtual G4bool SplitLast(G4FragmentingStri <<
61 G4KineticTrackVector * LeftVe <<
62 G4KineticTrackVector * RightV <<
63 <<
64 virtual void Sample4Momentum(G4LorentzVect <<
65 G4LorentzVect <<
66 G4double Init <<
67 <<
68 virtual G4KineticTrack * Splitup(G4Fragmen <<
69 G4Fragmen <<
70 <<
71 virtual G4LorentzVector * SplitEandP(G4Par <<
72 G4Fra <<
73 G4Fra <<
74 <<
75 virtual G4double GetLightConeZ(G4double zm <<
76 G4int Parto <<
77 G4ParticleD <<
78 G4double Px <<
79 <<
80 G4double lambda(G4double s, G4double m1_Sq <<
81 <<
82 // virtual G4ParticleDefinition * QuarkSpl <<
83 // <<
84 57
85 virtual G4ParticleDefinition * DiQuarkSpli << 58 private:
86 << 59 void SetMinimalStringMass(const G4FragmentingString * const string);
87 << 60 void SetMinimalStringMass2(const G4double aValue);
88 private: << 61
89 G4bool Loop_toFragmentString(const G4Excit << 62 virtual G4bool StopFragmenting(const G4FragmentingString * const string);
90 G4KineticTrac << 63 virtual G4bool IsFragmentable(const G4FragmentingString * const string);
91 G4KineticTrac << 64
92 << 65 virtual G4bool SplitLast(G4FragmentingString * string,
93 G4bool Diquark_AntiDiquark_belowThreshold_ << 66 G4KineticTrackVector * LeftVector,
94 << 67 G4KineticTrackVector * RightVector);
95 << 68
96 << 69 virtual void Sample4Momentum(G4LorentzVector* Mom, G4double Mass,
97 G4bool Diquark_AntiDiquark_aboveThreshold_ << 70 G4LorentzVector* AntiMom, G4double AntiMass,
98 << 71 G4double InitialMass);
99 << 72
100 << 73 virtual G4LorentzVector * SplitEandP(G4ParticleDefinition * pHadron,
101 G4bool Quark_AntiQuark_lastSplitting(G4Fra << 74 G4FragmentingString * string,
102 G4Par << 75 G4FragmentingString * newString); // Uzhi
103 G4Par << 76
104 << 77 virtual G4double GetLightConeZ(G4double zmin, G4double zmax,
105 G4bool Quark_Diquark_lastSplitting(G4Fragm << 78 G4int PartonEncoding,
106 G4Parti << 79 G4ParticleDefinition* pHadron,
107 G4Parti << 80 G4double Px, G4double Py);
108 << 81
109 G4int SampleState(void); << 82 G4double lambda(G4double s, G4double m1_Sqr, G4double m2_Sqr);
110 << 83
111 G4double Tmt; // "Temperature" for sampli << 84 private:
>> 85 // Internal methods introduced to improve the code structure (AR Nov 2011)
>> 86
>> 87 G4bool Loop_toFragmentString(G4ExcitedString * & theStringInCMS,
>> 88 G4KineticTrackVector * & LeftVector,
>> 89 G4KineticTrackVector * & RightVector);
>> 90
>> 91 G4bool Diquark_AntiDiquark_belowThreshold_lastSplitting(G4FragmentingString * & string,
>> 92 G4ParticleDefinition * & LeftHadron,
>> 93 G4ParticleDefinition * & RightHadron);
>> 94
>> 95 G4bool Diquark_AntiDiquark_aboveThreshold_lastSplitting(G4FragmentingString * & string,
>> 96 G4ParticleDefinition * & LeftHadron,
>> 97 G4ParticleDefinition * & RightHadron);
>> 98
>> 99 G4bool Quark_AntiQuark_lastSplitting(G4FragmentingString * & string,
>> 100 G4ParticleDefinition * & LeftHadron,
>> 101 G4ParticleDefinition * & RightHadron);
>> 102
>> 103 G4bool Quark_Diquark_lastSplitting(G4FragmentingString * & string,
>> 104 G4ParticleDefinition * & LeftHadron,
>> 105 G4ParticleDefinition * & RightHadron );
>> 106
>> 107 G4int SampleState(void);
>> 108
>> 109 private:
>> 110 // ------ For estimation of a minimal string mass ---------------
>> 111 G4double Mass_of_light_quark;
>> 112 G4double Mass_of_heavy_quark;
>> 113 G4double Mass_of_string_junction;
>> 114 // ------ An estimated minimal string mass ----------------------
>> 115 G4double MinimalStringMass;
>> 116 G4double MinimalStringMass2;
>> 117 // ------ Minimal invariant mass used at a string fragmentation -
>> 118 G4double WminLUND;
>> 119
>> 120 G4int Meson[3][3][6];
>> 121 G4double MesonWeight[3][3][6];
>> 122
>> 123 G4int Baryon[3][3][3][4];
>> 124 G4double BaryonWeight[3][3][3][4];
>> 125
>> 126 G4double Prob_QQbar[3];
>> 127
>> 128 // ------ To improve the code structure
>> 129 G4ParticleDefinition * FS_LeftHadron[35], * FS_RightHadron[35];
>> 130 G4double FS_Weight[35];
>> 131 G4int NumberOf_FS;
112 132
113 }; 133 };
114 134
115 //******************************************** << 135 //**************************************************************************************************************
116 // Class G4LundStringFragmentation 136 // Class G4LundStringFragmentation
117 <<
118 #endif 137 #endif
>> 138
119 139
120 140