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26 #ifndef G4QGSMSplitableHadron_h 26 #ifndef G4QGSMSplitableHadron_h
27 #define G4QGSMSplitableHadron_h 1 27 #define G4QGSMSplitableHadron_h 1
28 28
29 #include "G4VSplitableHadron.hh" 29 #include "G4VSplitableHadron.hh"
30 #include "G4PartonVector.hh" 30 #include "G4PartonVector.hh"
31 #include "G4MesonSplitter.hh" 31 #include "G4MesonSplitter.hh"
32 #include "G4BaryonSplitter.hh" 32 #include "G4BaryonSplitter.hh"
33 #include "Randomize.hh" 33 #include "Randomize.hh"
34 #include <deque> 34 #include <deque>
35 35
36 // based on prototype by Maxim Komogorov 36 // based on prototype by Maxim Komogorov
37 // Splitting into methods, and centralizing of 37 // Splitting into methods, and centralizing of model parameters HPW Feb 1999
38 // continued clean-up of interfaces and algori 38 // continued clean-up of interfaces and algorithms HPW 1999.
39 // Redesign of data structures and algorithms 39 // Redesign of data structures and algorithms HPW Feb 1999
40 40
41 class G4QGSMSplitableHadron : public G4VSplita 41 class G4QGSMSplitableHadron : public G4VSplitableHadron
42 { 42 {
43 public: 43 public:
44 G4QGSMSplitableHadron(); 44 G4QGSMSplitableHadron();
45 G4QGSMSplitableHadron(const G4ReactionProduc 45 G4QGSMSplitableHadron(const G4ReactionProduct & aPrimary);
46 G4QGSMSplitableHadron(const G4ReactionProduc 46 G4QGSMSplitableHadron(const G4ReactionProduct & aPrimary, G4bool Direction);
47 G4QGSMSplitableHadron(const G4Nucleon & aNuc 47 G4QGSMSplitableHadron(const G4Nucleon & aNucleon);
48 G4QGSMSplitableHadron(const G4Nucleon & aNuc 48 G4QGSMSplitableHadron(const G4Nucleon & aNucleon, G4bool Direction);
49 49
50 virtual ~G4QGSMSplitableHadron(); 50 virtual ~G4QGSMSplitableHadron();
51 51
52 private: 52 private:
53 const G4QGSMSplitableHadron & operator=(cons 53 const G4QGSMSplitableHadron & operator=(const G4QGSMSplitableHadron &right);
54 54
55 public: 55 public:
56 virtual void SplitUp(); 56 virtual void SplitUp();
57 virtual void SetFirstParton(G4int PDGcode); 57 virtual void SetFirstParton(G4int PDGcode);
58 virtual void SetSecondParton(G4int PDGcode); 58 virtual void SetSecondParton(G4int PDGcode);
59 virtual G4Parton * GetNextParton(); 59 virtual G4Parton * GetNextParton();
60 virtual G4Parton * GetNextAntiParton(); 60 virtual G4Parton * GetNextAntiParton();
61 61
62 private: 62 private:
63 void InitParameters(); 63 void InitParameters();
64 void DiffractiveSplitUp(); 64 void DiffractiveSplitUp();
65 void SoftSplitUp(); 65 void SoftSplitUp();
66 66
67 G4ThreeVector GaussianPt(G4double widthSquar 67 G4ThreeVector GaussianPt(G4double widthSquare, G4double maxPtSquare);
68 void GetValenceQuarkFlavors(const G4Particle 68 void GetValenceQuarkFlavors(const G4ParticleDefinition * aPart,
69 G4Parton *& Parton1, G4Parton *& Parton2 69 G4Parton *& Parton1, G4Parton *& Parton2);
70 G4Parton * BuildSeaQuark(G4bool isAntiQuark, 70 G4Parton * BuildSeaQuark(G4bool isAntiQuark, G4int aPDGCode, G4int nSeaPair);
71 G4double SampleX(G4double anXmin, G4int nSea 71 G4double SampleX(G4double anXmin, G4int nSea, G4int theTotalSea, G4double aBeta);
72 72
73 private: 73 private:
74 // aggregated data 74 // aggregated data
75 G4bool Direction; // FALSE is target. - cand 75 G4bool Direction; // FALSE is target. - candidate for more detailed design.
76 76
77 std::deque<G4Parton *> Color; 77 std::deque<G4Parton *> Color;
78 std::deque<G4Parton *> AntiColor; 78 std::deque<G4Parton *> AntiColor;
79 unsigned int iP; 79 unsigned int iP;
80 unsigned int iAP; 80 unsigned int iAP;
81 81
82 private: 82 private:
83 // associated classes 83 // associated classes
84 G4MesonSplitter theMesonSplitter; 84 G4MesonSplitter theMesonSplitter;
85 G4BaryonSplitter theBaryonSplitter; 85 G4BaryonSplitter theBaryonSplitter;
86 86
87 private: 87 private:
88 // model parameters 88 // model parameters
89 G4double alpha; 89 G4double alpha;
90 G4double beta; 90 G4double beta;
91 G4double theMinPz; 91 G4double theMinPz;
92 G4double StrangeSuppress; 92 G4double StrangeSuppress;
93 G4double sigmaPt; 93 G4double sigmaPt;
94 G4double widthOfPtSquare; 94 G4double widthOfPtSquare;
95 G4double minTransverseMass; 95 G4double minTransverseMass;
96 }; 96 };
97 97
98 inline G4Parton* G4QGSMSplitableHadron::GetNex 98 inline G4Parton* G4QGSMSplitableHadron::GetNextParton()
99 { 99 {
100 if(Color.size()==0) return 0; 100 if(Color.size()==0) return 0;
101 101
102 G4Parton * result = Color.operator[](i 102 G4Parton * result = Color.operator[](iP);
103 iP++; if(iP == Color.size()) iP=0; 103 iP++; if(iP == Color.size()) iP=0;
104 return result; 104 return result;
105 } 105 }
106 106
107 inline G4Parton* G4QGSMSplitableHadron::GetNex 107 inline G4Parton* G4QGSMSplitableHadron::GetNextAntiParton()
108 { 108 {
109 if(AntiColor.size() == 0) return 0; 109 if(AntiColor.size() == 0) return 0;
110 110
111 G4Parton * result = AntiColor.operator 111 G4Parton * result = AntiColor.operator[](iAP);
112 iAP++; if(iAP == AntiColor.size()) iAP 112 iAP++; if(iAP == AntiColor.size()) iAP=0;
113 return result; 113 return result;
114 } 114 }
115 115
116 inline void G4QGSMSplitableHadron::SetFirstPar << 116 inline void G4QGSMSplitableHadron::SetFirstParton(G4int PDGcode)
117 {} << 117 {PDGcode++;}
118 inline void G4QGSMSplitableHadron::SetSecondPa << 118 inline void G4QGSMSplitableHadron::SetSecondParton(G4int PDGcode)
119 {} << 119 {PDGcode++;}
120 #endif 120 #endif
121 121
122 122