// // ******************************************************************** // * 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: geant4-09-04-beta-cand-01 $ // // // GEANT4 physics class: G4QProtonElasticCrossSection -- 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 G4QElastic process // ------------------------------------------------------------------------------- #ifndef G4QProtonElasticCrossSection_h #define G4QProtonElasticCrossSection_h 1 #include "G4QPDGCode.hh" #include "G4QException.hh" #include #include "Randomize.hh" #include "G4VQCrossSection.hh" class G4QProtonElasticCrossSection : public G4VQCrossSection { protected: G4QProtonElasticCrossSection(); // Constructor public: ~G4QProtonElasticCrossSection(); static G4VQCrossSection* GetPointer(); // Gives a pointer to this singletone // Cross-section is mb. At present momentum (pMom) is in MeV=IU (@@ make Indep. Units) virtual G4double GetCrossSection(G4bool fCS, G4double pMom, G4int tgZ, G4int tgN, G4int pPDG=2212); 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 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 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) --- static const G4int nPoints;// #of points in the AMDB tables static const G4int nLast; // the Last element in the table static G4double lPMin; // Min tabulated logarithmic Momentum static G4double lPMax; // Max tabulated logarithmic Momentum static G4double dlnP; // Log step in the table // ---- Local (for particular pP, pPDG, tZ, tN) ----- static G4bool onlyCS; // flag to calculate only CS (not S1/B1,S2/B2,S3/B3) static G4double lastSIG; // Last calculated cross section static G4double lastLP; // Last log(mom_of_the_incident_hadron in GeV) static G4double lastTM; // Last t_maximum static G4int lastN; // The last N of calculated nucleus static G4int lastZ; // The last Z of calculated nucleus static G4double lastP; // Last used in the cross section Momentum static G4double lastTH; // Last value of the Momentum Threshold static G4double lastCS; // Last value of the Cross Section static G4int lastI; // The last position in the DAMDB static G4double theSS; // The Last squared slope of first diffruction static G4double theS1; // The Last mantissa of first diffruction static G4double theB1; // The Last slope of first diffruction static G4double theS2; // The Last mantissa of second diffruction static G4double theB2; // The Last slope of second diffruction static G4double theS3; // The Last mantissa of third diffruction static G4double theB3; // The Last slope of third diffruction static G4double theS4; // The Last mantissa of 4-th diffruction static G4double theB4; // The Last slope of 4-th diffruction // ---- Global (AMBD of P-dependent tables for pPDG,tZ,tN) ----- static G4int lastTZ; // Last atomic number of the target static G4int lastTN; // Last number of neutrons of the target static G4double lastPIN; // Last initialized max momentum static G4double* lastCST; // Last cross-section table static G4double* lastPAR; // Last parameters for functional calculation static G4double* lastSST; // E-dep of squared slope of the first difruction static G4double* lastS1T; // E-dep of mantissa of the first difruction static G4double* lastB1T; // E-dep of the slope of the first difruction static G4double* lastS2T; // E-dep of mantissa of the second difruction static G4double* lastB2T; // E-dep of the slope of theSecond difruction static G4double* lastS3T; // E-dep of mantissa of the third difruction static G4double* lastB3T; // E-dep of the slope of the third difruction static G4double* lastS4T; // E-dep of mantissa of the 4-th difruction static G4double* lastB4T; // E-dep of the slope of the 4-th difruction static std::vector PAR; // Vector of parameters for functional calculations static std::vector CST; // Vector of cross-section table static std::vector SST; // Vector of the first squared slope static std::vector S1T; // Vector of the first mantissa static std::vector B1T; // Vector of the first slope static std::vector S2T; // Vector of the secon mantissa static std::vector B2T; // Vector of the second slope static std::vector S3T; // Vector of the third mantissa static std::vector B3T; // Vector of the third slope static std::vector S4T; // Vector of the 4-th mantissa (gloria) static std::vector B4T; // Vector of the 4-th slope (gloria) }; #endif