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Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // 00027 // GEANT4 tag $Name: not supported by cvs2svn $ 00028 // 00029 // 00030 // GEANT4 physics class: G4ChipsHyperonElasticXS -- header file 00031 // M.V. Kossov, ITEP(Moscow), 5-Feb-2010 00032 // The last update: M.V. Kossov, CERN/ITEP (Moscow) 5-Feb-2010 00033 // 00034 // ------------------------------------------------------------------------------- 00035 // Short description: Interaction cross-sections for the elastic process. 00036 // Class extracted from CHIPS and integrated in Geant4 by W.Pokorski 00037 // ------------------------------------------------------------------------------- 00038 // 00039 00040 #ifndef G4ChipsHyperonElasticXS_h 00041 #define G4ChipsHyperonElasticXS_h 1 00042 00043 #include <vector> 00044 #include "Randomize.hh" 00045 #include "G4VCrossSectionDataSet.hh" 00046 00047 class G4ChipsHyperonElasticXS : public G4VCrossSectionDataSet 00048 { 00049 00050 public: 00051 G4ChipsHyperonElasticXS(); // Constructor 00052 00053 ~G4ChipsHyperonElasticXS(); 00054 00055 static const char* Default_Name() {return "ChipsHyperonElasticXS";} 00056 00057 virtual G4bool IsIsoApplicable(const G4DynamicParticle* Pt, G4int Z, G4int A, 00058 const G4Element* elm, 00059 const G4Material* mat ); 00060 00061 // At present momentum (pMom) in MeV/c, CS in mb (@@ Units) 00062 virtual G4double GetIsoCrossSection(const G4DynamicParticle*, G4int tgZ, G4int A, 00063 const G4Isotope* iso = 0, 00064 const G4Element* elm = 0, 00065 const G4Material* mat = 0); 00066 00067 virtual G4double GetChipsCrossSection(G4double momentum, G4int Z, G4int N, G4int pdg); 00068 00069 G4double GetExchangeT(G4int tZ, G4int tN, G4int pPDG); // Randomizes -t=Q2 (in IU=MeV^2) 00070 00071 private: 00072 G4double CalculateCrossSection(G4bool CS, G4int F, G4int I, G4int pPDG, G4int Z, G4int N, 00073 G4double pP); 00074 G4double GetSlope(G4int tZ, G4int tN, G4int pPDG); // Slope of the 1st diff. maximum 00075 G4double GetHMaxT(); // Currrent Max(-t=Q2)/2. (in IU=MeV^2) 00076 00077 G4double GetPTables(G4double lpP, G4double lPm, G4int PDG, G4int tZ, G4int tN); // newLP 00078 G4double GetTabValues(G4double lp, G4int pPDG, G4int tgZ, G4int tgN); // return CS(Si/Bi) 00079 G4double GetQ2max(G4int pPDG, G4int tgZ, G4int tgN, G4double pP); // return -t=Q2 00080 00081 // Body 00082 private: 00083 // --- Data formating AMDB (define the precalculated table structure) --- 00084 const G4int nPoints;// #of points in the AMDB tables 00085 const G4int nLast; // the Last element in the table 00086 G4double lPMin; // Min tabulated logarithmic Momentum 00087 G4double lPMax; // Max tabulated logarithmic Momentum 00088 G4double dlnP; // Log step in the table 00089 // ---- Local (for particular pP, pPDG, tZ, tN) ----- 00090 G4bool onlyCS; // flag to calculate only CS (not S1/B1,S2/B2,S3/B3) 00091 G4double lastSIG; // Last calculated cross section 00092 G4double lastLP; // Last log(mom_of_the_incident_hadron in GeV) 00093 G4double lastTM; // Last t_maximum 00094 G4int lastN; // The last N of calculated nucleus 00095 G4int lastZ; // The last Z of calculated nucleus 00096 G4double lastP; // Last used in the cross section Momentum 00097 G4double lastTH; // Last value of the Momentum Threshold 00098 G4double lastCS; // Last value of the Cross Section 00099 G4int lastI; // The last position in the DAMDB 00100 G4double theSS; // The Last squared slope of first diffruction 00101 G4double theS1; // The Last mantissa of first diffruction 00102 G4double theB1; // The Last slope of first diffruction 00103 G4double theS2; // The Last mantissa of second diffruction 00104 G4double theB2; // The Last slope of second diffruction 00105 G4double theS3; // The Last mantissa of third diffruction 00106 G4double theB3; // The Last slope of third diffruction 00107 G4double theS4; // The Last mantissa of 4-th diffruction 00108 G4double theB4; // The Last slope of 4-th diffruction 00109 // ---- Global (AMBD of P-dependent tables for pPDG,tZ,tN) ----- 00110 G4int lastTZ; // Last atomic number of the target 00111 G4int lastTN; // Last number of neutrons of the target 00112 G4double lastPIN; // Last initialized max momentum 00113 G4double* lastCST; // Last cross-section table 00114 G4double* lastPAR; // Last parameters for functional calculation 00115 G4double* lastSST; // E-dep of squared slope of the first difruction 00116 G4double* lastS1T; // E-dep of mantissa of the first difruction 00117 G4double* lastB1T; // E-dep of the slope of the first difruction 00118 G4double* lastS2T; // E-dep of mantissa of the second difruction 00119 G4double* lastB2T; // E-dep of the slope of theSecond difruction 00120 G4double* lastS3T; // E-dep of mantissa of the third difruction 00121 G4double* lastB3T; // E-dep of the slope of the third difruction 00122 G4double* lastS4T; // E-dep of mantissa of the 4-th difruction 00123 G4double* lastB4T; // E-dep of the slope of the 4-th difruction 00124 00125 std::vector <G4double*> PAR; // Vector of parameters for functional calculations 00126 std::vector <G4double*> CST; // Vector of cross-section table 00127 std::vector <G4double*> SST; // Vector of the first squared slope 00128 std::vector <G4double*> S1T; // Vector of the first mantissa 00129 std::vector <G4double*> B1T; // Vector of the first slope 00130 std::vector <G4double*> S2T; // Vector of the secon mantissa 00131 std::vector <G4double*> B2T; // Vector of the second slope 00132 std::vector <G4double*> S3T; // Vector of the third mantissa 00133 std::vector <G4double*> B3T; // Vector of the third slope 00134 std::vector <G4double*> S4T; // Vector of the 4-th mantissa (gloria) 00135 std::vector <G4double*> B4T; // Vector of the 4-th slope (gloria) 00136 }; 00137 #endif