Gabriele Cosmo
148 lines
7.5 KiB
C++
148 lines
7.5 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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//
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//
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// GEANT4 physics class: G4ChipsHyperonElasticXS -- header file
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// M.V. Kossov, ITEP(Moscow), 5-Feb-2010
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// The last update: M.V. Kossov, CERN/ITEP (Moscow) 5-Feb-2010
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//
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// -------------------------------------------------------------------------------
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// Short description: Interaction cross-sections for the elastic process.
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// Class extracted from CHIPS and integrated in Geant4 by W.Pokorski
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// -------------------------------------------------------------------------------
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//
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#ifndef G4ChipsHyperonElasticXS_h
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#define G4ChipsHyperonElasticXS_h 1
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#include <vector>
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#include "Randomize.hh"
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#include "G4VCrossSectionDataSet.hh"
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class G4ChipsHyperonElasticXS : public G4VCrossSectionDataSet
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{
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public:
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G4ChipsHyperonElasticXS(); // Constructor
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~G4ChipsHyperonElasticXS();
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static const char* Default_Name() {return "ChipsHyperonElasticXS";}
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virtual void CrossSectionDescription(std::ostream&) const;
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virtual G4bool IsIsoApplicable(const G4DynamicParticle* Pt, G4int Z, G4int A,
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const G4Element* elm,
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const G4Material* mat );
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// At present momentum (pMom) in MeV/c, CS in mb (@@ Units)
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virtual G4double GetIsoCrossSection(const G4DynamicParticle*, G4int tgZ, G4int A,
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const G4Isotope* iso = 0,
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const G4Element* elm = 0,
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const G4Material* mat = 0);
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virtual G4double GetChipsCrossSection(G4double momentum, G4int Z, G4int N, G4int pdg);
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G4double GetExchangeT(G4int tZ, G4int tN, G4int pPDG); // Randomizes -t=Q2 (in IU=MeV^2)
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private:
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G4double CalculateCrossSection(G4bool CS, G4int F, G4int I, G4int pPDG, G4int Z, G4int N,
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G4double pP);
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G4double GetSlope(G4int tZ, G4int tN, G4int pPDG); // Slope of the 1st diff. maximum
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G4double GetHMaxT(); // Currrent Max(-t=Q2)/2. (in IU=MeV^2)
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G4double GetPTables(G4double lpP, G4double lPm, G4int PDG, G4int tZ, G4int tN); // newLP
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G4double GetTabValues(G4double lp, G4int pPDG, G4int tgZ, G4int tgN); // return CS(Si/Bi)
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G4double GetQ2max(G4int pPDG, G4int tgZ, G4int tgN, G4double pP); // return -t=Q2
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// Body
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private:
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// --- Data formating AMDB (define the precalculated table structure) ---
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const G4int nPoints;// #of points in the AMDB tables
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const G4int nLast; // the Last element in the table
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G4double lPMin; // Min tabulated logarithmic Momentum
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G4double lPMax; // Max tabulated logarithmic Momentum
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G4double dlnP; // Log step in the table
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// ---- Local (for particular pP, pPDG, tZ, tN) -----
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G4bool onlyCS; // flag to calculate only CS (not S1/B1,S2/B2,S3/B3)
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G4double lastSIG; // Last calculated cross section
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G4double lastLP; // Last log(mom_of_the_incident_hadron in GeV)
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G4double lastTM; // Last t_maximum
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G4int lastN; // The last N of calculated nucleus
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G4int lastZ; // The last Z of calculated nucleus
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G4double lastP; // Last used in the cross section Momentum
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G4double lastTH; // Last value of the Momentum Threshold
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G4double lastCS; // Last value of the Cross Section
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G4int lastI; // The last position in the DAMDB
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G4double theSS; // The Last squared slope of first diffruction
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G4double theS1; // The Last mantissa of first diffruction
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G4double theB1; // The Last slope of first diffruction
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G4double theS2; // The Last mantissa of second diffruction
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G4double theB2; // The Last slope of second diffruction
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G4double theS3; // The Last mantissa of third diffruction
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G4double theB3; // The Last slope of third diffruction
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G4double theS4; // The Last mantissa of 4-th diffruction
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G4double theB4; // The Last slope of 4-th diffruction
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// ---- Global (AMBD of P-dependent tables for pPDG,tZ,tN) -----
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G4int lastTZ; // Last atomic number of the target
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G4int lastTN; // Last number of neutrons of the target
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G4double lastPIN; // Last initialized max momentum
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G4double* lastCST; // Last cross-section table
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G4double* lastPAR; // Last parameters for functional calculation
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G4double* lastSST; // E-dep of squared slope of the first difruction
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G4double* lastS1T; // E-dep of mantissa of the first difruction
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G4double* lastB1T; // E-dep of the slope of the first difruction
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G4double* lastS2T; // E-dep of mantissa of the second difruction
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G4double* lastB2T; // E-dep of the slope of theSecond difruction
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G4double* lastS3T; // E-dep of mantissa of the third difruction
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G4double* lastB3T; // E-dep of the slope of the third difruction
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G4double* lastS4T; // E-dep of mantissa of the 4-th difruction
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G4double* lastB4T; // E-dep of the slope of the 4-th difruction
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std::vector <G4double*> PAR; // Vector of parameters for functional calculations
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std::vector <G4double*> CST; // Vector of cross-section table
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std::vector <G4double*> SST; // Vector of the first squared slope
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std::vector <G4double*> S1T; // Vector of the first mantissa
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std::vector <G4double*> B1T; // Vector of the first slope
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std::vector <G4double*> S2T; // Vector of the secon mantissa
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std::vector <G4double*> B2T; // Vector of the second slope
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std::vector <G4double*> S3T; // Vector of the third mantissa
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std::vector <G4double*> B3T; // Vector of the third slope
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std::vector <G4double*> S4T; // Vector of the 4-th mantissa (gloria)
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std::vector <G4double*> B4T; // Vector of the 4-th slope (gloria)
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std::vector <G4int> colN; // Vector of N for calculated nuclei (isotops)
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std::vector <G4int> colZ; // Vector of Z for calculated nuclei (isotops)
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std::vector <G4double> colP; // Vector of last momenta for the reaction
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std::vector <G4double> colTH; // Vector of energy thresholds for the reaction
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std::vector <G4double> colCS; // Vector of last cross sections for the reaction
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std::vector <G4double> PIN; // Vector of max initialized log(P) in the table
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};
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#endif
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