include/Geant4/G4ComponentGGNuclNuclXsc.hh

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0025 //
0026 // Calculation of the nucleus-nucleus total, inelastic, production,
0027 // elastic and quasi-elastic  cross-sections
0028 // based on parametrisations of nucleon-nucleon
0029 // cross-sections  in
0030 // the framework of simplified Glauber-Gribov approach
0031 //
0032 //
0033 // 24.11.08 V. Grichine - first implementation based on
0034 //                        G4GlauberGribovCrossSection
0035 //
0036 // 04.09.18 V. Ivantchenko Major revision of interfaces and implementation
0037 // 27.05.19 V. Ivantchenko Removed obsolete methods and members
0038 //
0039
0040 #ifndef G4ComponentGGNuclNuclXsc_h
0041 #define G4ComponentGGNuclNuclXsc_h
0042
0043 #include "globals.hh"
0044 #include "G4VComponentCrossSection.hh"
0045 #include "G4DynamicParticle.hh"
0046
0047 class G4ParticleDefinition;
0048 class G4HadronNucleonXsc;
0049 class G4ComponentGGHadronNucleusXsc;
0050 class G4Material;
0051
0052 class G4ComponentGGNuclNuclXsc : public G4VComponentCrossSection
0053 {
0054 public:
0055
0056   G4ComponentGGNuclNuclXsc();
0057   ~G4ComponentGGNuclNuclXsc() override;
0058
0059   // virtual interface methods
0060   G4double GetTotalElementCrossSection(const G4ParticleDefinition* aParticle,
0061                        G4double kinEnergy,
0062                        G4int Z, G4double A) final;
0063
0064   G4double GetTotalIsotopeCrossSection(const G4ParticleDefinition* aParticle,
0065                        G4double kinEnergy,
0066                        G4int Z, G4int A) final;
0067
0068   G4double GetInelasticElementCrossSection(const G4ParticleDefinition* aParticle,
0069                        G4double kinEnergy,
0070                        G4int Z, G4double A) final;
0071
0072   G4double GetInelasticIsotopeCrossSection(const G4ParticleDefinition* aParticle,
0073                        G4double kinEnergy,
0074                        G4int Z, G4int A) final;
0075
0076   G4double GetElasticElementCrossSection(const G4ParticleDefinition* aParticle,
0077                      G4double kinEnergy,
0078                      G4int Z, G4double A) final;
0079
0080   G4double GetElasticIsotopeCrossSection(const G4ParticleDefinition* aParticle,
0081                      G4double kinEnergy,
0082                      G4int Z, G4int A) final;
0083
0084   G4double ComputeQuasiElasticRatio(const G4ParticleDefinition* aParticle,
0085                     G4double kinEnergy,
0086                     G4int Z, G4int A) final;
0087
0088   void BuildPhysicsTable(const G4ParticleDefinition&) final;
0089
0090   void DumpPhysicsTable(const G4ParticleDefinition&) final;
0091
0092   void Description(std::ostream&) const final;
0093
0094   inline G4double GetZandACrossSection(const G4DynamicParticle*,
0095                        G4int Z, G4int A);
0096
0097   inline G4double GetCoulombBarier(const G4DynamicParticle*,
0098                        G4double Z, G4double A,
0099                                    G4double pR, G4double tR);
0100
0101   G4double ComputeCoulombBarier(const G4ParticleDefinition* aParticle,
0102                 G4double kinEnergy, G4int Z, G4int A,
0103                 G4double pR, G4double tR);
0104
0105   G4double GetRatioSD(const G4DynamicParticle*, G4double At, G4double Zt);
0106   G4double GetRatioQE(const G4DynamicParticle*, G4double At, G4double Zt);
0107
0108   // main access methods
0109   inline G4double GetElasticGlauberGribov(const G4DynamicParticle*,G4int Z, G4int A);
0110   inline G4double GetInelasticGlauberGribov(const G4DynamicParticle*,G4int Z, G4int A);
0111
0112   inline G4double GetTotalGlauberGribovXsc() const       { return fTotalXsc;     };
0113   inline G4double GetElasticGlauberGribovXsc() const     { return fElasticXsc;   };
0114   inline G4double GetInelasticGlauberGribovXsc() const   { return fInelasticXsc; };
0115   inline G4double GetProductionGlauberGribovXsc() const  { return fProductionXsc; };
0116   inline G4double GetDiffractionGlauberGribovXsc() const { return fDiffractionXsc; };
0117
0118   G4ComponentGGNuclNuclXsc& operator=
0119   (const G4ComponentGGNuclNuclXsc &right) = delete;
0120   G4ComponentGGNuclNuclXsc(const G4ComponentGGNuclNuclXsc&) = delete;
0121
0122 private:
0123
0124   // Glauber-Gribov cross section
0125   void ComputeCrossSections(const G4ParticleDefinition* aParticle,
0126                 G4double kinEnergy, G4int Z, G4int A);
0127
0128   G4double fTotalXsc{0.0};
0129   G4double fElasticXsc{0.0};
0130   G4double fInelasticXsc{0.0};
0131   G4double fProductionXsc{0.0};
0132   G4double fDiffractionXsc{0.0};
0133   // Cache
0134   G4double fEnergy{0.0};
0135
0136   const G4ParticleDefinition* theProton;
0137   const G4ParticleDefinition* theNeutron;
0138   const G4ParticleDefinition* theLambda;
0139
0140   G4ComponentGGHadronNucleusXsc* fHadrNucl;
0141   G4HadronNucleonXsc* fHNXsc;
0142
0143   // Cache
0144   const G4ParticleDefinition* fParticle{nullptr};
0145   G4int fZ{0};
0146   G4int fA{0};
0147 };
0148
0149 inline G4double
0150 G4ComponentGGNuclNuclXsc::GetElasticGlauberGribov(const G4DynamicParticle* dp,
0151                                                   G4int Z, G4int A)
0152 {
0153   ComputeCrossSections(dp->GetDefinition(), dp->GetKineticEnergy(), Z, A);
0154   return fElasticXsc;
0155 }
0156
0157 inline G4double
0158 G4ComponentGGNuclNuclXsc::GetInelasticGlauberGribov(const G4DynamicParticle* dp,
0159                                                     G4int Z, G4int A)
0160 {
0161   ComputeCrossSections(dp->GetDefinition(), dp->GetKineticEnergy(), Z, A);
0162   return fInelasticXsc;
0163 }
0164
0165 inline G4double
0166 G4ComponentGGNuclNuclXsc::GetZandACrossSection(const G4DynamicParticle* dp,
0167                            G4int Z, G4int A)
0168 {
0169   ComputeCrossSections(dp->GetDefinition(), dp->GetKineticEnergy(), Z, A);
0170   return fInelasticXsc;
0171 }
0172
0173 inline G4double
0174 G4ComponentGGNuclNuclXsc::GetCoulombBarier(const G4DynamicParticle* dp,
0175                        G4double Z, G4double A,
0176                        G4double pR, G4double tR)
0177 {
0178   return ComputeCoulombBarier(dp->GetDefinition(), dp->GetKineticEnergy(),
0179                               G4lrint(Z), G4lrint(A), pR, tR);
0180 }
0181
0182 #endif