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2 | // ******************************************************************** |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // GEANT4 tag $Name: geant4-09-04-beta-cand-01 $ |
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28 | // |
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29 | // |
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30 | // GEANT4 physics class: G4QHyperonElasticCrossSection -- header file |
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31 | // M.V. Kossov, ITEP(Moscow), 5-Feb-2010 |
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32 | // The last update: M.V. Kossov, CERN/ITEP (Moscow) 5-Feb-2010 |
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33 | // |
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34 | //================================================================================ |
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35 | // Short description: Interaction cross-sections for the G4QElastic process |
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36 | // ------------------------------------------------------------------------------- |
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37 | |
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38 | #ifndef G4QHyperonElasticCrossSection_h |
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39 | #define G4QHyperonElasticCrossSection_h 1 |
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40 | |
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41 | #include "G4QPDGCode.hh" |
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42 | #include "G4QException.hh" |
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43 | #include <vector> |
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44 | #include "Randomize.hh" |
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45 | #include "G4VQCrossSection.hh" |
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46 | |
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47 | class G4QHyperonElasticCrossSection : public G4VQCrossSection |
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48 | { |
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49 | protected: |
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50 | |
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51 | G4QHyperonElasticCrossSection(); // Constructor |
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52 | |
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53 | public: |
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54 | |
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55 | ~G4QHyperonElasticCrossSection(); |
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56 | |
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57 | static G4VQCrossSection* GetPointer(); // Gives a pointer to this singletone |
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58 | |
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59 | // Cross-section is mb. At present momentum (pMom) is in MeV=IU (@@ make Indep. Units) |
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60 | virtual G4double GetCrossSection(G4bool fCS, G4double pMom, G4int tgZ, G4int tgN, |
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61 | G4int pPDG=3122); |
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62 | |
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63 | G4double CalculateCrossSection(G4bool CS, G4int F, G4int I, G4int pPDG, G4int Z, G4int N, |
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64 | G4double pP); |
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65 | G4double GetSlope(G4int tZ, G4int tN, G4int pPDG); // Slope of the 1st diff. maximum |
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66 | G4double GetExchangeT(G4int tZ, G4int tN, G4int pPDG); // Randomizes -t=Q2 (in IU=MeV^2) |
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67 | G4double GetHMaxT(); // Currrent Max(-t=Q2)/2. (in IU=MeV^2) |
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68 | |
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69 | private: |
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70 | G4double GetPTables(G4double lpP, G4double lPm, G4int PDG, G4int tZ, G4int tN); // newLP |
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71 | G4double GetTabValues(G4double lp, G4int pPDG, G4int tgZ, G4int tgN); // return CS(Si/Bi) |
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72 | G4double GetQ2max(G4int pPDG, G4int tgZ, G4int tgN, G4double pP); // return -t=Q2 |
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73 | |
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74 | // Body |
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75 | private: |
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76 | // --- Data formating AMDB (define the precalculated table structure) --- |
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77 | static const G4int nPoints;// #of points in the AMDB tables |
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78 | static const G4int nLast; // the Last element in the table |
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79 | static G4double lPMin; // Min tabulated logarithmic Momentum |
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80 | static G4double lPMax; // Max tabulated logarithmic Momentum |
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81 | static G4double dlnP; // Log step in the table |
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82 | // ---- Local (for particular pP, pPDG, tZ, tN) ----- |
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83 | static G4bool onlyCS; // flag to calculate only CS (not S1/B1,S2/B2,S3/B3) |
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84 | static G4double lastSIG; // Last calculated cross section |
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85 | static G4double lastLP; // Last log(mom_of_the_incident_hadron in GeV) |
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86 | static G4double lastTM; // Last t_maximum |
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87 | static G4int lastN; // The last N of calculated nucleus |
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88 | static G4int lastZ; // The last Z of calculated nucleus |
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89 | static G4double lastP; // Last used in the cross section Momentum |
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90 | static G4double lastTH; // Last value of the Momentum Threshold |
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91 | static G4double lastCS; // Last value of the Cross Section |
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92 | static G4int lastI; // The last position in the DAMDB |
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93 | static G4double theSS; // The Last squared slope of first diffruction |
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94 | static G4double theS1; // The Last mantissa of first diffruction |
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95 | static G4double theB1; // The Last slope of first diffruction |
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96 | static G4double theS2; // The Last mantissa of second diffruction |
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97 | static G4double theB2; // The Last slope of second diffruction |
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98 | static G4double theS3; // The Last mantissa of third diffruction |
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99 | static G4double theB3; // The Last slope of third diffruction |
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100 | static G4double theS4; // The Last mantissa of 4-th diffruction |
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101 | static G4double theB4; // The Last slope of 4-th diffruction |
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102 | // ---- Global (AMBD of P-dependent tables for pPDG,tZ,tN) ----- |
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103 | static G4int lastTZ; // Last atomic number of the target |
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104 | static G4int lastTN; // Last number of neutrons of the target |
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105 | static G4double lastPIN; // Last initialized max momentum |
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106 | static G4double* lastCST; // Last cross-section table |
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107 | static G4double* lastPAR; // Last parameters for functional calculation |
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108 | static G4double* lastSST; // E-dep of squared slope of the first difruction |
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109 | static G4double* lastS1T; // E-dep of mantissa of the first difruction |
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110 | static G4double* lastB1T; // E-dep of the slope of the first difruction |
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111 | static G4double* lastS2T; // E-dep of mantissa of the second difruction |
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112 | static G4double* lastB2T; // E-dep of the slope of theSecond difruction |
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113 | static G4double* lastS3T; // E-dep of mantissa of the third difruction |
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114 | static G4double* lastB3T; // E-dep of the slope of the third difruction |
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115 | static G4double* lastS4T; // E-dep of mantissa of the 4-th difruction |
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116 | static G4double* lastB4T; // E-dep of the slope of the 4-th difruction |
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117 | |
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118 | static std::vector <G4double*> PAR; // Vector of parameters for functional calculations |
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119 | static std::vector <G4double*> CST; // Vector of cross-section table |
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120 | static std::vector <G4double*> SST; // Vector of the first squared slope |
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121 | static std::vector <G4double*> S1T; // Vector of the first mantissa |
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122 | static std::vector <G4double*> B1T; // Vector of the first slope |
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123 | static std::vector <G4double*> S2T; // Vector of the secon mantissa |
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124 | static std::vector <G4double*> B2T; // Vector of the second slope |
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125 | static std::vector <G4double*> S3T; // Vector of the third mantissa |
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126 | static std::vector <G4double*> B3T; // Vector of the third slope |
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127 | static std::vector <G4double*> S4T; // Vector of the 4-th mantissa (gloria) |
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128 | static std::vector <G4double*> B4T; // Vector of the 4-th slope (gloria) |
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129 | }; |
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130 | #endif |
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