include/Geant4/G4ComponentBarNucleonNucleusXsc.hh

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0025 //
0026 //
0027 // author: Vladimir.Grichine@cern.ch
0028 //
0029 // Implements data from: Barashenkov V.S., Nucleon-Nucleus Cross Section,
0030 // Preprint JINR P2-89-770, p. 12, Dubna 1989 (scanned version from KEK)
0031 // Based on G4NucleonNuclearCrossSection class
0032 //
0033 // Modifications: 16.08.2018 V.Ivanchenko major revision
0034 //
0035
0036 #ifndef G4ComponentBarNucleonNucleusXsc_h
0037 #define G4ComponentBarNucleonNucleusXsc_h
0038
0039
0040 #include "G4VComponentCrossSection.hh"
0041 #include "G4ParticleDefinition.hh"
0042 #include "G4DynamicParticle.hh"
0043
0044 #include "globals.hh"
0045 #include "G4PiData.hh"
0046 #include "G4Threading.hh"
0047 #include <vector>
0048
0049 class G4ComponentBarNucleonNucleusXsc : public G4VComponentCrossSection
0050 {
0051
0052 public:
0053
0054   explicit G4ComponentBarNucleonNucleusXsc();
0055   ~G4ComponentBarNucleonNucleusXsc() override;
0056
0057   G4double GetTotalIsotopeCrossSection(const G4ParticleDefinition* aParticle,
0058                        G4double kinEnergy,
0059                        G4int Z, G4int ) final;
0060
0061   G4double GetTotalElementCrossSection(const G4ParticleDefinition* aParticle,
0062                        G4double kinEnergy,
0063                        G4int Z, G4double ) final;
0064
0065   G4double GetInelasticIsotopeCrossSection(const G4ParticleDefinition* aParticle,
0066                        G4double kinEnergy,
0067                        G4int Z, G4int ) final;
0068
0069   G4double GetInelasticElementCrossSection(const G4ParticleDefinition* aParticle,
0070                        G4double kinEnergy,
0071                        G4int Z, G4double ) final;
0072
0073   G4double GetElasticElementCrossSection(const G4ParticleDefinition* aParticle,
0074                      G4double kinEnergy,
0075                      G4int Z, G4double ) final;
0076
0077   G4double GetElasticIsotopeCrossSection(const G4ParticleDefinition* aParticle,
0078                      G4double kinEnergy,
0079                      G4int Z, G4int ) final;
0080
0081   void ComputeCrossSections(const G4ParticleDefinition* aParticle,
0082                 G4double kinEnergy, G4int Z);
0083
0084   void BuildPhysicsTable(const G4ParticleDefinition&) final;
0085
0086   void Description(std::ostream&) const final;
0087
0088   inline G4double GetElementCrossSection(const G4DynamicParticle* aParticle, G4int Z);
0089   inline G4double GetElasticCrossSection(const G4DynamicParticle* aParticle, G4int Z);
0090
0091   inline G4double GetTotalXsc()     { return fTotalXsc;   };
0092   inline G4double GetElasticXsc()   { return fElasticXsc; };
0093   inline G4double GetInelasticXsc() { return fInelasticXsc; };
0094
0095 private:
0096
0097   G4double Interpolate(G4int Z1, G4int Z2, G4int Z, G4double x1, G4double x2) const;
0098
0099   void LoadData();
0100
0101   // cross sections
0102   G4double fTotalXsc;
0103   G4double fInelasticXsc;
0104   G4double fElasticXsc;
0105
0106   // particles
0107   const G4ParticleDefinition* theProton;
0108   const G4ParticleDefinition* theNeutron;
0109
0110   G4bool isMaster;
0111
0112   static G4double theA[93];
0113   static G4double A75[93];
0114
0115   static const G4int NZ = 17;
0116   static G4int theZ[NZ];
0117   static std::vector<G4PiData*>* thePData;
0118   static std::vector<G4PiData*>* theNData;
0119
0120 #ifdef G4MULTITHREADED
0121   static G4Mutex barNNXSMutex;
0122 #endif
0123
0124 };
0125
0126 inline
0127 G4double G4ComponentBarNucleonNucleusXsc::GetElementCrossSection(
0128          const G4DynamicParticle* dp, G4int Z)
0129 {
0130   ComputeCrossSections(dp->GetDefinition(), dp->GetKineticEnergy(),Z);
0131   return fInelasticXsc;
0132 }
0133
0134 inline
0135 G4double G4ComponentBarNucleonNucleusXsc::GetElasticCrossSection(
0136          const G4DynamicParticle* dp, G4int Z)
0137 {
0138   ComputeCrossSections(dp->GetDefinition(), dp->GetKineticEnergy(),Z);
0139   return fElasticXsc;
0140 }
0141
0142 #endif