include/Geant4/G4ParticleInelasticXS.hh

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0025 //
0026 // -------------------------------------------------------------------
0027 //
0028 // GEANT4 Class header file
0029 //
0030 //
0031 // File name:    G4ParticleInelasticXS
0032 //
0033 // Author  Ivantchenko, Geant4, 24 May 2018
0034 //
0035
0036 // Class Description:
0037 // This is a base class for n,p,d,t,he3,he4 inelastic hadronic cross
0038 // section based on data files from G4PARTICLEXSDATA data set
0039 // and Glauber-Gribov model for high energy
0040 //
0041
0042 #ifndef G4ParticleInelasticXS_h
0043 #define G4ParticleInelasticXS_h 1
0044
0045 #include "G4VCrossSectionDataSet.hh"
0046 #include "globals.hh"
0047 #include "G4ElementData.hh"
0048 #include "G4PhysicsVector.hh"
0049 #include <vector>
0050
0051 class G4DynamicParticle;
0052 class G4ParticleDefinition;
0053 class G4Element;
0054 class G4VComponentCrossSection;
0055
0056 class G4ParticleInelasticXS final : public G4VCrossSectionDataSet
0057 {
0058 public:
0059
0060   explicit G4ParticleInelasticXS(const G4ParticleDefinition*);
0061
0062   ~G4ParticleInelasticXS() override = default;
0063
0064   G4bool IsElementApplicable(const G4DynamicParticle*, G4int Z,
0065                  const G4Material* mat = nullptr) final;
0066
0067   G4bool IsIsoApplicable(const G4DynamicParticle*, G4int Z, G4int A,
0068              const G4Element* elm = nullptr,
0069                          const G4Material* mat = nullptr) final;
0070
0071   G4double GetElementCrossSection(const G4DynamicParticle*, G4int Z,
0072                                   const G4Material* mat = nullptr) final;
0073
0074   G4double ComputeCrossSectionPerElement(G4double kinEnergy, G4double loge,
0075                                          const G4ParticleDefinition*,
0076                                          const G4Element*,
0077                                          const G4Material*) final;
0078
0079   G4double ComputeIsoCrossSection(G4double kinEnergy, G4double loge,
0080                                   const G4ParticleDefinition*,
0081                                   G4int Z, G4int A,
0082                                   const G4Isotope* iso,
0083                                   const G4Element* elm,
0084                                   const G4Material* mat) final;
0085
0086   G4double GetIsoCrossSection(const G4DynamicParticle*, G4int Z, G4int A,
0087                               const G4Isotope* iso = nullptr,
0088                               const G4Element* elm = nullptr,
0089                               const G4Material* mat = nullptr) final;
0090
0091   const G4Isotope* SelectIsotope(const G4Element*,
0092                                  G4double kinEnergy, G4double logE) final;
0093
0094   void BuildPhysicsTable(const G4ParticleDefinition&) final;
0095
0096   void CrossSectionDescription(std::ostream&) const final;
0097
0098   G4double ElementCrossSection(G4double kinEnergy, G4double loge, G4int Z);
0099
0100   G4double IsoCrossSection(G4double ekin, G4double logE, G4int Z, G4int A);
0101
0102   G4ParticleInelasticXS & operator=
0103   (const G4ParticleInelasticXS &right) = delete;
0104   G4ParticleInelasticXS(const G4ParticleInelasticXS&) = delete;
0105
0106 private:
0107
0108   void Initialise(G4int Z, G4int idx);
0109
0110   void InitialiseOnFly(G4int Z);
0111
0112   void FindDirectoryPath();
0113
0114   inline const G4PhysicsVector* GetPhysicsVector(G4int Z);
0115
0116   G4PhysicsVector* RetrieveVector(std::ostringstream& in, G4bool warn);
0117
0118   G4VComponentCrossSection* highEnergyXsection = nullptr;
0119   const G4ParticleDefinition* particle;
0120
0121   std::vector<G4double> temp;
0122   G4double elimit;
0123
0124   G4int index{0};
0125   G4bool isInitializer{false};
0126
0127   static const G4int MAXZINELP = 93;
0128   static G4ElementData* data[5];
0129   static G4double coeff[MAXZINELP][5];
0130   static G4String gDataDirectory[5];
0131 };
0132
0133 inline
0134 const G4PhysicsVector* G4ParticleInelasticXS::GetPhysicsVector(G4int Z)
0135 {
0136   const G4PhysicsVector* pv = data[index]->GetElementData(Z);
0137   if (pv == nullptr) {
0138     InitialiseOnFly(Z);
0139     pv = data[index]->GetElementData(Z);
0140   }
0141   return pv;
0142 }
0143
0144 #endif