Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/electromagnetic/utils/include/G4EmUtility.hh

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 25 //
 26 //
 27 // Geant4 header G4EmUtility
 28 //
 29 // Author V.Ivanchenko 14.03.2022
 30 //
 31 // Utilities used at initialisation of EM physics
 32 //
 33 
 34 #ifndef G4EmUtility_h
 35 #define G4EmUtility_h 1
 36 
 37 #include <vector>
 38 #include "globals.hh"
 39 #include "G4Region.hh"
 40 #include "G4PhysicsTable.hh"
 41 #include "G4EmTableType.hh"
 42 #include "G4ParticleDefinition.hh"
 43 #include "G4VDiscreteProcess.hh"
 44 #include "G4LossTableBuilder.hh"
 45 #include "G4Material.hh"
 46 #include "G4Element.hh"
 47 #include "G4Isotope.hh"
 48 #include "G4DataVector.hh"
 49 #include "G4VEmModel.hh"
 50 
 51 class G4EmUtility
 52 {
 53 public:
 54 
 55   // find G4Region pointer by name, by default no verbosity
 56   static const G4Region* FindRegion(const G4String& regionName,
 57                                     const G4int verbose = 0);
 58 
 59   // sample random G4Element for the case if cross section is
 60   // proportional to the number of electrons in an atom 
 61   static const G4Element* SampleRandomElement(const G4Material*);
 62 
 63   // sample random G4Isotope
 64   static const G4Isotope* SampleRandomIsotope(const G4Element*);
 65 
 66   // find energy of cross section maximum for all couples
 67   static std::vector<G4double>* FindCrossSectionMax(G4PhysicsTable*);
 68   static std::vector<G4double>* 
 69   FindCrossSectionMax(G4VDiscreteProcess*, const G4ParticleDefinition*);
 70 
 71   // fill structure describing more than one peak in cross sections
 72   static std::vector<G4TwoPeaksXS*>*
 73   FillPeaksStructure(G4PhysicsTable*, G4LossTableBuilder*);
 74 
 75   // model initialisation
 76   static void InitialiseElementSelectors(G4VEmModel*,
 77                                          const G4ParticleDefinition*,
 78                                          const G4DataVector& cuts,
 79                                          const G4double emin,
 80                                          const G4double emax);
 81 };
 82 
 83 #endif
 84 
 85 
 86