G4ChipsProtonInelasticXS.hh

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00027 // GEANT4 tag $Name: not supported by cvs2svn $
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00029 //
00030 // GEANT4 physics class: G4ChipsProtonInelasticXS -- header file
00031 // Created: M.V. Kossov, CERN/ITEP(Moscow), 20-Dec-01
00032 // The last update: M.V. Kossov, CERN/ITEP (Moscow) 17-May-02
00033 //
00034 // ****************************************************************************************
00035 // Short description: Cross-sections extracted (by W.Pokorski) from the CHIPS package for 
00036 // proton-nuclear  interactions. Original author: M. Kossov
00037 // -------------------------------------------------------------------------------------
00038 //
00039 
00040 #ifndef G4ChipsProtonInelasticXS_h
00041 #define G4ChipsProtonInelasticXS_h 1
00042 
00043 #include "G4ParticleTable.hh"
00044 #include "G4NucleiProperties.hh"
00045 #include <vector>
00046 #include "G4VCrossSectionDataSet.hh"
00047 
00048 class G4ChipsProtonInelasticXS : public G4VCrossSectionDataSet
00049 {
00050 
00051 public:
00052 
00053   G4ChipsProtonInelasticXS();
00054 
00055   ~G4ChipsProtonInelasticXS();
00056 
00057   static const char* Default_Name() {return "ChipsProtonInelasticXS";}
00058 
00059   virtual G4bool IsIsoApplicable(const G4DynamicParticle* Pt, G4int Z, G4int A,    
00060                                  const G4Element* elm,
00061                                  const G4Material* mat );
00062 
00063   // At present momentum (pMom) in MeV/c, CS in mb (@@ Units)
00064   virtual G4double GetIsoCrossSection(const G4DynamicParticle*, G4int tgZ, G4int A,  
00065                                       const G4Isotope* iso = 0,
00066                                       const G4Element* elm = 0,
00067                                       const G4Material* mat = 0);
00068 
00069   virtual G4double GetChipsCrossSection(G4double momentum, G4int Z, G4int N, G4int pdg);
00070 
00071 private:
00072   G4double CalculateCrossSection(G4int F, G4int I, G4int PDG, G4int Z,
00073                                  G4int N, G4double Momentum);
00074 
00075   G4double CrossSectionLin(G4int targZ, G4int targN, G4double P);
00076   G4double CrossSectionLog(G4int targZ, G4int targN, G4double lP);
00077   G4double CrossSectionFormula(G4int targZ, G4int targN, G4double P, G4double lP);
00078   G4double ThresholdMomentum(G4int targZ, G4int targN); // Threshold of pA reaction (MeV/c)
00079   G4double EquLinearFit(G4double X, G4int N, G4double X0, G4double DX, G4double* Y);
00080 // Body
00081 private:
00082   G4double  lastSig; // Last value of the Cross Section
00083   G4double* lastLEN; // Pointer to the last array of LowEnergy cross sections
00084   G4double* lastHEN; // Pointer to the last array of HighEnergy cross sections
00085   G4double  lastE;   // Last used in the cross section Energy
00086   G4int     lastPDG; // The last projectile PDG
00087   G4int     lastN;   // The last N of calculated nucleus
00088   G4int     lastZ;   // The last Z of calculated nucleus
00089   G4double  lastP;   // Last used in the cross section Momentum
00090   G4double  lastTH;  // Last value of the Momentum Threshold
00091   G4double  lastCS;  // Last value of the Cross Section
00092   G4int     lastI;   // The last position in the DAMDB
00093   std::vector<G4double*>* LEN;  // Vector of pointers to LowEnProtonCrossSection
00094   std::vector<G4double*>* HEN;  // Vector of pointers to HighEnProtonCrossSection
00095 };
00096 
00097 #endif

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