include/Geant4/G4BGGPionElasticXS.hh

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0025 //
0026 //
0027 // -------------------------------------------------------------------
0028 //
0029 // GEANT4 Class header file
0030 //
0031 //
0032 // File name:     G4BGGPionElasticXS
0033 //
0034 // Author:        Vladimir Ivanchenko
0035 //
0036 // Creation date: 01.10.2003
0037 // Modifications:
0038 //
0039 //
0040 // Class Description:
0041 //
0042 // Wrapper of pi+ and pi- inelastic cross-sections using Barashenkov
0043 // parametersation below 100 GeV and Glauber-Gribov model above
0044 //
0045 // -------------------------------------------------------------------
0046 //
0047
0048 #ifndef G4BGGPionElasticXS_h
0049 #define G4BGGPionElasticXS_h
0050
0051 #include "globals.hh"
0052 #include "G4VCrossSectionDataSet.hh"
0053 #include "G4ParticleDefinition.hh"
0054 #include "G4Threading.hh"
0055
0056 class G4ComponentGGHadronNucleusXsc;
0057 class G4UPiNuclearCrossSection;
0058 class G4HadronNucleonXsc;
0059 class G4Material;
0060 class G4Element;
0061 class G4Isotope;
0062 class G4Pow;
0063
0064 class G4BGGPionElasticXS final : public G4VCrossSectionDataSet
0065 {
0066 public:
0067
0068   explicit G4BGGPionElasticXS (const G4ParticleDefinition*);
0069
0070   ~G4BGGPionElasticXS() final;
0071
0072   G4bool IsElementApplicable(const G4DynamicParticle*, G4int Z,
0073                  const G4Material*) final;
0074
0075   G4bool IsIsoApplicable(const G4DynamicParticle*, G4int Z, G4int A,
0076              const G4Element* elm,
0077              const G4Material* mat) final;
0078
0079   G4double GetElementCrossSection(const G4DynamicParticle*, G4int Z,
0080                   const G4Material* mat) final;
0081
0082   G4double GetIsoCrossSection(const G4DynamicParticle*, G4int Z, G4int A,
0083                   const G4Isotope* iso=nullptr,
0084                   const G4Element* elm=nullptr,
0085                   const G4Material* mat=nullptr) final;
0086
0087   void BuildPhysicsTable(const G4ParticleDefinition&) final;
0088
0089   void CrossSectionDescription(std::ostream&) const final;
0090
0091 private:
0092
0093   G4double CoulombFactorPiPlus(G4double kinEnergy, G4int Z);
0094
0095   G4double FactorPiMinus(G4double kinEnergy);
0096
0097   G4BGGPionElasticXS & operator=(const G4BGGPionElasticXS &right);
0098   G4BGGPionElasticXS(const G4BGGPionElasticXS&);
0099
0100   G4double fGlauberEnergy;
0101   G4double fLowEnergy;
0102   G4double fLowestEnergy;
0103
0104   static G4double theGlauberFacPiPlus[93];
0105   static G4double theCoulombFacPiPlus[93];
0106   static G4double theGlauberFacPiMinus[93];
0107   static G4double theCoulombFacPiMinus[93];
0108   static G4int    theA[93];
0109
0110   const G4ParticleDefinition*     theProton;
0111   const G4ParticleDefinition*     thePiPlus;
0112
0113   G4Pow*                          fG4pow;
0114
0115   G4ComponentGGHadronNucleusXsc*  fGlauber;
0116   G4UPiNuclearCrossSection*       fPion;
0117   G4HadronNucleonXsc*             fHadron;
0118   G4bool                          isPiplus;
0119   G4bool                          isMaster;
0120
0121 #ifdef G4MULTITHREADED
0122   static G4Mutex pionElasticXSMutex;
0123 #endif
0124 };
0125
0126 #endif