include/Geant4/G4NucleonNuclearCrossSection.hh

0001 //
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0024 // ********************************************************************
0025 //
0026 // author: Vladimir.Grichine@cern.ch
0027 //
0028 // Implements data from: Barashenkov V.S., Nucleon-Nucleus Cross Section,
0029 // Preprint JINR P2-89-770, p. 12, Dubna 1989 (scanned version from KEK)
0030 // Based on G. Folger version of G4PiNuclearCrossSection class
0031 //
0032 // Modified: V.Ivanchenko
0033 //
0034
0035 #ifndef G4NucleonNuclearCrossSection_h
0036 #define G4NucleonNuclearCrossSection_h
0037
0038 #include "G4VCrossSectionDataSet.hh"
0039 #include "G4ParticleDefinition.hh"
0040 #include "globals.hh"
0041
0042 class G4ComponentBarNucleonNucleusXsc;
0043 class G4ParticleDefinition;
0044
0045 class G4NucleonNuclearCrossSection : public G4VCrossSectionDataSet
0046 {
0047 public:
0048
0049   explicit G4NucleonNuclearCrossSection();
0050   ~G4NucleonNuclearCrossSection() override;
0051
0052   static const char* Default_Name() {return "BarashenkovNucleonXS";}
0053
0054   G4bool IsElementApplicable(const G4DynamicParticle* aParticle,
0055                  G4int Z, const G4Material* mat) final;
0056
0057   G4double GetElementCrossSection(const G4DynamicParticle* aParticle,
0058                                   G4int Z, const G4Material* mat=nullptr) final;
0059
0060   void BuildPhysicsTable(const G4ParticleDefinition&) final;
0061
0062   void CrossSectionDescription(std::ostream&) const final;
0063
0064   inline G4double GetElasticCrossSection(const G4DynamicParticle* aParticle,
0065                      G4int Z);
0066
0067   inline G4double GetTotalXsc()     { return fTotalXsc;   };
0068   inline G4double GetInelasticXsc() { return fInelasticXsc; };
0069   inline G4double GetElasticXsc()   { return fElasticXsc; };
0070
0071 private:
0072
0073   void ComputeCrossSections(const G4ParticleDefinition*,
0074                             G4double kinEnergy, G4int Z);
0075
0076   G4ComponentBarNucleonNucleusXsc* fBarash;
0077
0078   const G4ParticleDefinition* theProton;
0079   const G4ParticleDefinition* theNeutron;
0080
0081   G4double fTotalXsc;
0082   G4double fInelasticXsc;
0083   G4double fElasticXsc;
0084
0085 };
0086
0087 inline
0088 G4double G4NucleonNuclearCrossSection::GetElasticCrossSection(
0089          const G4DynamicParticle* dp, G4int Z)
0090 {
0091   ComputeCrossSections(dp->GetDefinition(), dp->GetKineticEnergy(), Z);
0092   return fElasticXsc;
0093 }
0094
0095 #endif