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26 // 26 //
27 // 27 //
28 // 28 //
29 // GEANT4 physics class: G4ChipsAntiBaryonElas 29 // GEANT4 physics class: G4ChipsAntiBaryonElasticXS -- header file
30 // M.V. Kossov, ITEP(Moscow), 5-Feb-2010 30 // M.V. Kossov, ITEP(Moscow), 5-Feb-2010
31 // The last update: M.V. Kossov, CERN/ITEP (Mo 31 // The last update: M.V. Kossov, CERN/ITEP (Moscow) 5-Feb-2010
32 // 32 //
33 // 33 //
34 // ------------------------------------------- 34 // -------------------------------------------------------------------------------
35 // Short description: Interaction cross-sectio 35 // Short description: Interaction cross-sections for the elastic process.
36 // Class extracted from CHIPS and integrated i 36 // Class extracted from CHIPS and integrated in Geant4 by W.Pokorski
37 // ------------------------------------------- 37 // -------------------------------------------------------------------------------
38 38
39 #ifndef G4ChipsAntiBaryonElasticXS_h 39 #ifndef G4ChipsAntiBaryonElasticXS_h
40 #define G4ChipsAntiBaryonElasticXS_h 1 40 #define G4ChipsAntiBaryonElasticXS_h 1
41 41
42 #include <vector> 42 #include <vector>
43 #include "Randomize.hh" 43 #include "Randomize.hh"
44 #include "G4VCrossSectionDataSet.hh" 44 #include "G4VCrossSectionDataSet.hh"
45 45
46 class G4ChipsAntiBaryonElasticXS : public G4V 46 class G4ChipsAntiBaryonElasticXS : public G4VCrossSectionDataSet
47 { 47 {
48 48
49 public: 49 public:
50 50
51 G4ChipsAntiBaryonElasticXS(); 51 G4ChipsAntiBaryonElasticXS(); // Constructor
52 52
53 ~G4ChipsAntiBaryonElasticXS(); 53 ~G4ChipsAntiBaryonElasticXS();
54 54
55 static const char* Default_Name() {return "C 55 static const char* Default_Name() {return "ChipsAntiBaryonElasticXS";}
56 56
57 virtual void CrossSectionDescription(std::os <<
58 <<
59 virtual G4bool IsIsoApplicable(const G4Dynam 57 virtual G4bool IsIsoApplicable(const G4DynamicParticle* Pt, G4int Z, G4int A,
60 const G4Element* elm, 58 const G4Element* elm,
61 const G4Material* mat ); 59 const G4Material* mat );
62 60
63 // At present momentum (pMom) in MeV/c, CS i 61 // At present momentum (pMom) in MeV/c, CS in mb (@@ Units)
64 virtual G4double GetIsoCrossSection(const G4 62 virtual G4double GetIsoCrossSection(const G4DynamicParticle*, G4int tgZ, G4int A,
65 const G4Isotope* iso = 0, 63 const G4Isotope* iso = 0,
66 const G4Element* elm = 0, 64 const G4Element* elm = 0,
67 const G4Material* mat = 0); 65 const G4Material* mat = 0);
68 66
69 virtual G4double GetChipsCrossSection(G4doub 67 virtual G4double GetChipsCrossSection(G4double momentum, G4int Z, G4int N, G4int pdg);
70 68
71 G4double GetExchangeT(G4int tZ, G4int tN, G4 69 G4double GetExchangeT(G4int tZ, G4int tN, G4int pPDG); // Randomizes -t=Q2 (in IU=MeV^2)
72 70
73 private: 71 private:
74 72
75 G4double CalculateCrossSection(G4bool CS, G4 73 G4double CalculateCrossSection(G4bool CS, G4int F, G4int I, G4int pPDG, G4int Z, G4int N,
76 74 G4double pP);
77 G4double GetSlope(G4int tZ, G4int tN, G4int 75 G4double GetSlope(G4int tZ, G4int tN, G4int pPDG); // Slope of the 1st diff. maximum
78 G4double GetHMaxT(); // Cu 76 G4double GetHMaxT(); // Currrent Max(-t=Q2)/2. (in IU=MeV^2)
79 77
80 G4double GetPTables(G4double lpP, G4double l 78 G4double GetPTables(G4double lpP, G4double lPm, G4int PDG, G4int tZ, G4int tN); // newLP
81 G4double GetTabValues(G4double lp, G4int pPD 79 G4double GetTabValues(G4double lp, G4int pPDG, G4int tgZ, G4int tgN); // return CS(Si/Bi)
82 G4double GetQ2max(G4int pPDG, G4int tgZ, G4i 80 G4double GetQ2max(G4int pPDG, G4int tgZ, G4int tgN, G4double pP); // return -t=Q2
83 81
84 // Body 82 // Body
85 private: 83 private:
86 84
87 // --- Data formating AMDB (define the preca 85 // --- Data formating AMDB (define the precalculated table structure) ---
88 const G4int nPoints;// #of points in the AM 86 const G4int nPoints;// #of points in the AMDB tables
89 const G4int nLast; // the Last element in 87 const G4int nLast; // the Last element in the table
90 G4double lPMin; // Min tabulated logari 88 G4double lPMin; // Min tabulated logarithmic Momentum
91 G4double lPMax; // Max tabulated logari 89 G4double lPMax; // Max tabulated logarithmic Momentum
92 G4double dlnP; // Log step in the tabl 90 G4double dlnP; // Log step in the table
93 // ---- Local (for particular pP, pPDG, tZ, 91 // ---- Local (for particular pP, pPDG, tZ, tN) -----
94 G4bool onlyCS; // flag to calculate on 92 G4bool onlyCS; // flag to calculate only CS (not S1/B1,S2/B2,S3/B3)
95 G4double lastSIG; // Last calculated cros 93 G4double lastSIG; // Last calculated cross section
96 G4double lastLP; // Last log(mom_of_the_ 94 G4double lastLP; // Last log(mom_of_the_incident_hadron in GeV)
97 G4double lastTM; // Last t_maximum 95 G4double lastTM; // Last t_maximum
98 G4int lastN; // The last N of calcul 96 G4int lastN; // The last N of calculated nucleus
99 G4int lastZ; // The last Z of calcul 97 G4int lastZ; // The last Z of calculated nucleus
100 G4double lastP; // Last used in the cro 98 G4double lastP; // Last used in the cross section Momentum
101 G4double lastTH; // Last value of the Mo 99 G4double lastTH; // Last value of the Momentum Threshold
102 G4double lastCS; // Last value of the Cr 100 G4double lastCS; // Last value of the Cross Section
103 G4int lastI; // The last position in 101 G4int lastI; // The last position in the DAMDB
104 G4double theSS; // The Last squared slo 102 G4double theSS; // The Last squared slope of first diffruction
105 G4double theS1; // The Last mantissa of 103 G4double theS1; // The Last mantissa of first diffruction
106 G4double theB1; // The Last slope of fi 104 G4double theB1; // The Last slope of first diffruction
107 G4double theS2; // The Last mantissa of 105 G4double theS2; // The Last mantissa of second diffruction
108 G4double theB2; // The Last slope of se 106 G4double theB2; // The Last slope of second diffruction
109 G4double theS3; // The Last mantissa of 107 G4double theS3; // The Last mantissa of third diffruction
110 G4double theB3; // The Last slope of th 108 G4double theB3; // The Last slope of third diffruction
111 G4double theS4; // The Last mantissa of 109 G4double theS4; // The Last mantissa of 4-th diffruction
112 G4double theB4; // The Last slope of 4- 110 G4double theB4; // The Last slope of 4-th diffruction
113 // ---- Global (AMBD of P-dependent tables f 111 // ---- Global (AMBD of P-dependent tables for pPDG,tZ,tN) -----
114 G4int lastTZ; // Last atomic number o 112 G4int lastTZ; // Last atomic number of the target
115 G4int lastTN; // Last number of neutr 113 G4int lastTN; // Last number of neutrons of the target
116 G4double lastPIN; // Last initialized max 114 G4double lastPIN; // Last initialized max momentum
117 G4double* lastCST; // Last cross-section t 115 G4double* lastCST; // Last cross-section table
118 G4double* lastPAR; // Last parameters for 116 G4double* lastPAR; // Last parameters for functional calculation
119 G4double* lastSST; // E-dep of squared slo 117 G4double* lastSST; // E-dep of squared slope of the first difruction
120 G4double* lastS1T; // E-dep of mantissa of 118 G4double* lastS1T; // E-dep of mantissa of the first difruction
121 G4double* lastB1T; // E-dep of the slope o 119 G4double* lastB1T; // E-dep of the slope of the first difruction
122 G4double* lastS2T; // E-dep of mantissa of 120 G4double* lastS2T; // E-dep of mantissa of the second difruction
123 G4double* lastB2T; // E-dep of the slope o 121 G4double* lastB2T; // E-dep of the slope of theSecond difruction
124 G4double* lastS3T; // E-dep of mantissa of 122 G4double* lastS3T; // E-dep of mantissa of the third difruction
125 G4double* lastB3T; // E-dep of the slope o 123 G4double* lastB3T; // E-dep of the slope of the third difruction
126 G4double* lastS4T; // E-dep of mantissa of 124 G4double* lastS4T; // E-dep of mantissa of the 4-th difruction
127 G4double* lastB4T; // E-dep of the slope o 125 G4double* lastB4T; // E-dep of the slope of the 4-th difruction
128 126
129 std::vector <G4double*> PAR; // Vector of 127 std::vector <G4double*> PAR; // Vector of parameters for functional calculations
130 std::vector <G4double*> CST; // Vector of 128 std::vector <G4double*> CST; // Vector of cross-section table
131 std::vector <G4double*> SST; // Vector of 129 std::vector <G4double*> SST; // Vector of the first squared slope
132 std::vector <G4double*> S1T; // Vector of 130 std::vector <G4double*> S1T; // Vector of the first mantissa
133 std::vector <G4double*> B1T; // Vector of 131 std::vector <G4double*> B1T; // Vector of the first slope
134 std::vector <G4double*> S2T; // Vector of 132 std::vector <G4double*> S2T; // Vector of the secon mantissa
135 std::vector <G4double*> B2T; // Vector of 133 std::vector <G4double*> B2T; // Vector of the second slope
136 std::vector <G4double*> S3T; // Vector of 134 std::vector <G4double*> S3T; // Vector of the third mantissa
137 std::vector <G4double*> B3T; // Vector of 135 std::vector <G4double*> B3T; // Vector of the third slope
138 std::vector <G4double*> S4T; // Vector of 136 std::vector <G4double*> S4T; // Vector of the 4-th mantissa (gloria)
139 std::vector <G4double*> B4T; // Vector of 137 std::vector <G4double*> B4T; // Vector of the 4-th slope (gloria)
140 <<
141 std::vector <G4int> colN; // Vector of N f <<
142 std::vector <G4int> colZ; // Vector of Z f <<
143 std::vector <G4double> colP; // Vector of <<
144 std::vector <G4double> colTH; // Vector of <<
145 std::vector <G4double> colCS; // Vector of <<
146 <<
147 std::vector <G4double> PIN; // Vector of <<
148 <<
149 }; 138 };
150 #endif 139 #endif
151 140