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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 57
56 private: 58 private:
>> 59 void SetMinimalStringMass(const G4FragmentingString * const string);
>> 60 void SetMinimalStringMass2(const G4double aValue);
>> 61
57 virtual G4bool StopFragmenting(const G4Fra 62 virtual G4bool StopFragmenting(const G4FragmentingString * const string);
58 virtual G4bool IsItFragmentable(const G4Fr << 63 virtual G4bool IsFragmentable(const G4FragmentingString * const string);
59 64
60 virtual G4bool SplitLast(G4FragmentingStri 65 virtual G4bool SplitLast(G4FragmentingString * string,
61 G4KineticTrackVector * LeftVe 66 G4KineticTrackVector * LeftVector,
62 G4KineticTrackVector * RightV << 67 G4KineticTrackVector * RightVector);
63 68
64 virtual void Sample4Momentum(G4LorentzVect 69 virtual void Sample4Momentum(G4LorentzVector* Mom, G4double Mass,
65 G4LorentzVect 70 G4LorentzVector* AntiMom, G4double AntiMass,
66 G4double Init 71 G4double InitialMass);
67 72
68 virtual G4KineticTrack * Splitup(G4Fragmen <<
69 G4Fragmen <<
70 <<
71 virtual G4LorentzVector * SplitEandP(G4Par 73 virtual G4LorentzVector * SplitEandP(G4ParticleDefinition * pHadron,
72 G4Fra 74 G4FragmentingString * string,
73 G4Fra 75 G4FragmentingString * newString);
74 76
75 virtual G4double GetLightConeZ(G4double zm 77 virtual G4double GetLightConeZ(G4double zmin, G4double zmax,
76 G4int Parto 78 G4int PartonEncoding,
77 G4ParticleD 79 G4ParticleDefinition* pHadron,
78 G4double Px 80 G4double Px, G4double Py);
79 81
80 G4double lambda(G4double s, G4double m1_Sq 82 G4double lambda(G4double s, G4double m1_Sqr, G4double m2_Sqr);
81 83
82 // virtual G4ParticleDefinition * QuarkSpl << 84 virtual G4ParticleDefinition * DiQuarkSplitup(G4ParticleDefinition* decay,
83 // <<
84 <<
85 virtual G4ParticleDefinition * DiQuarkSpli <<
86 85 G4ParticleDefinition *&created);
87 86
88 private: 87 private:
89 G4bool Loop_toFragmentString(const G4Excit << 88 // Internal methods introduced to improve the code structure (AR Nov 2011)
>> 89
>> 90 G4bool Loop_toFragmentString(G4ExcitedString * & theStringInCMS,
90 G4KineticTrac 91 G4KineticTrackVector * & LeftVector,
91 G4KineticTrac 92 G4KineticTrackVector * & RightVector);
92 93
93 G4bool Diquark_AntiDiquark_belowThreshold_ 94 G4bool Diquark_AntiDiquark_belowThreshold_lastSplitting(G4FragmentingString * & string,
94 95 G4ParticleDefinition * & LeftHadron,
95 96 G4ParticleDefinition * & RightHadron);
96 97
97 G4bool Diquark_AntiDiquark_aboveThreshold_ 98 G4bool Diquark_AntiDiquark_aboveThreshold_lastSplitting(G4FragmentingString * & string,
98 99 G4ParticleDefinition * & LeftHadron,
99 100 G4ParticleDefinition * & RightHadron);
100 101
101 G4bool Quark_AntiQuark_lastSplitting(G4Fra 102 G4bool Quark_AntiQuark_lastSplitting(G4FragmentingString * & string,
102 G4Par 103 G4ParticleDefinition * & LeftHadron,
103 G4Par 104 G4ParticleDefinition * & RightHadron);
104 105
105 G4bool Quark_Diquark_lastSplitting(G4Fragm 106 G4bool Quark_Diquark_lastSplitting(G4FragmentingString * & string,
106 G4Parti 107 G4ParticleDefinition * & LeftHadron,
107 G4Parti 108 G4ParticleDefinition * & RightHadron );
108 109
109 G4int SampleState(void); << 110 G4int SampleState(void);
110 <<
111 G4double Tmt; // "Temperature" for sampli <<
112 111
>> 112 private:
>> 113 // ------ For estimation of a minimal string mass ---------------
>> 114 G4double Mass_of_light_quark;
>> 115 G4double Mass_of_heavy_quark;
>> 116 G4double Mass_of_string_junction;
>> 117 // ------ An estimated minimal string mass ----------------------
>> 118 G4double MinimalStringMass;
>> 119 G4double MinimalStringMass2;
>> 120 // ------ Minimal invariant mass used at a string fragmentation -
>> 121 G4double WminLUND;
>> 122
>> 123 G4int Meson[3][3][6];
>> 124 G4double MesonWeight[3][3][6];
>> 125
>> 126 G4int Baryon[3][3][3][4];
>> 127 G4double BaryonWeight[3][3][3][4];
>> 128
>> 129 G4double Prob_QQbar[3];
>> 130
>> 131 // ------ To improve the code structure
>> 132 G4ParticleDefinition * FS_LeftHadron[35], * FS_RightHadron[35];
>> 133 G4double FS_Weight[35];
>> 134 G4int NumberOf_FS;
113 }; 135 };
114 136
115 //******************************************** << 137 //**************************************************************************************************************
116 // Class G4LundStringFragmentation 138 // Class G4LundStringFragmentation
117 139
118 #endif 140 #endif
119 141
120 142