// // ******************************************************************** // * License and Disclaimer * // * * // * The Geant4 software is copyright of the Copyright Holders of * // * the Geant4 Collaboration. It is provided under the terms and * // * conditions of the Geant4 Software License, included in the file * // * LICENSE and available at http://cern.ch/geant4/license . These * // * include a list of copyright holders. * // * * // * Neither the authors of this software system, nor their employing * // * institutes,nor the agencies providing financial support for this * // * work make any representation or warranty, express or implied, * // * regarding this software system or assume any liability for its * // * use. Please see the license in the file LICENSE and URL above * // * for the full disclaimer and the limitation of liability. * // * * // * This code implementation is the result of the scientific and * // * technical work of the GEANT4 collaboration. * // * By using, copying, modifying or distributing the software (or * // * any work based on the software) you agree to acknowledge its * // * use in resulting scientific publications, and indicate your * // * acceptance of all terms of the Geant4 Software license. * // ******************************************************************** // // // GEANT4 tag $Name: not supported by cvs2svn $ // // // GEANT4 physics class: G4ChipsNeutronElasticXS -- header file // M.V. Kossov, ITEP(Moscow), 24-OCT-01 // The last update: M.V. Kossov, CERN/ITEP (Moscow) 12-Jan-2010 (from G4QElCrSect) // // ------------------------------------------------------------------------------- // Short description: Interaction cross-sections for the elastic process. // Class extracted from CHIPS and integrated in Geant4 by W.Pokorski // ------------------------------------------------------------------------------- #ifndef G4ChipsNeutronElasticXS_h #define G4ChipsNeutronElasticXS_h 1 #include #include "Randomize.hh" #include "G4VCrossSectionDataSet.hh" class G4ChipsNeutronElasticXS : public G4VCrossSectionDataSet { public: G4ChipsNeutronElasticXS(); // Constructor ~G4ChipsNeutronElasticXS(); static const char* Default_Name() {return "ChipsNeutronElasticXS";} virtual G4bool IsIsoApplicable(const G4DynamicParticle* Pt, G4int Z, G4int A, const G4Element* elm, const G4Material* mat ); // At present momentum (pMom) in MeV/c, CS in mb (@@ Units) virtual G4double GetIsoCrossSection(const G4DynamicParticle*, G4int tgZ, G4int A, const G4Isotope* iso = 0, const G4Element* elm = 0, const G4Material* mat = 0); virtual G4double GetChipsCrossSection(G4double momentum, G4int Z, G4int N, G4int pdg); G4double GetExchangeT(G4int tZ, G4int tN, G4int pPDG); // Randomizes -t=Q2 (in IU=MeV^2) G4double GetHMaxT(); // Currrent Max(-t=Q2)/2. (in IU=MeV^2) private: G4double CalculateCrossSection(G4bool CS, G4int F, G4int I, G4int pPDG, G4int Z, G4int N, G4double pP); G4double GetSlope(G4int tZ, G4int tN, G4int pPDG); // Slope of the 1st diff. maximum G4double GetPTables(G4double lpP, G4double lPm, G4int PDG, G4int tZ, G4int tN); // newLP G4double GetTabValues(G4double lp, G4int pPDG, G4int tgZ, G4int tgN); // return CS(Si/Bi) G4double GetQ2max(G4int pPDG, G4int tgZ, G4int tgN, G4double pP); // return -t=Q2 // Body private: // --- Data formating AMDB (define the precalculated table structure) --- const G4int nPoints;// #of points in the AMDB tables const G4int nLast; // the Last element in the table G4double lPMin; // Min tabulated logarithmic Momentum G4double lPMax; // Max tabulated logarithmic Momentum G4double dlnP; // Log step in the table // ---- Local (for particular pP, pPDG, tZ, tN) ----- G4bool onlyCS; // flag to calculate only CS (not S1/B1,S2/B2,S3/B3) G4double lastSIG; // Last calculated cross section G4double lastLP; // Last log(mom_of_the_incident_hadron in GeV) G4double lastTM; // Last t_maximum G4int lastN; // The last N of calculated nucleus G4int lastZ; // The last Z of calculated nucleus G4double lastP; // Last used in the cross section Momentum G4double lastTH; // Last value of the Momentum Threshold G4double lastCS; // Last value of the Cross Section G4int lastI; // The last position in the DAMDB G4double theSS; // The Last squared slope of first diffruction G4double theS1; // The Last mantissa of first diffruction G4double theB1; // The Last slope of first diffruction G4double theS2; // The Last mantissa of second diffruction G4double theB2; // The Last slope of second diffruction G4double theS3; // The Last mantissa of third diffruction G4double theB3; // The Last slope of third diffruction G4double theS4; // The Last mantissa of 4-th diffruction G4double theB4; // The Last slope of 4-th diffruction // ---- Global (AMBD of P-dependent tables for pPDG,tZ,tN) ----- G4int lastTZ; // Last atomic number of the target G4int lastTN; // Last number of neutrons of the target G4double lastPIN; // Last initialized max momentum G4double* lastCST; // Last cross-section table G4double* lastPAR; // Last parameters for functional calculation G4double* lastSST; // E-dep of squared slope of the first difruction G4double* lastS1T; // E-dep of mantissa of the first difruction G4double* lastB1T; // E-dep of the slope of the first difruction G4double* lastS2T; // E-dep of mantissa of the second difruction G4double* lastB2T; // E-dep of the slope of theSecond difruction G4double* lastS3T; // E-dep of mantissa of the third difruction G4double* lastB3T; // E-dep of the slope of the third difruction G4double* lastS4T; // E-dep of mantissa of the 4-th difruction G4double* lastB4T; // E-dep of the slope of the 4-th difruction std::vector PAR; // Vector of parameters for functional calculations std::vector CST; // Vector of cross-section table std::vector SST; // Vector of the first squared slope std::vector S1T; // Vector of the first mantissa std::vector B1T; // Vector of the first slope std::vector S2T; // Vector of the secon mantissa std::vector B2T; // Vector of the second slope std::vector S3T; // Vector of the third mantissa std::vector B3T; // Vector of the third slope std::vector S4T; // Vector of the 4-th mantissa (gloria) std::vector B4T; // Vector of the 4-th slope (gloria) }; #endif