include/Geant4/G4EmMultiModel.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
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0024 // ********************************************************************
0025 //
0026 //
0027 // -------------------------------------------------------------------
0028 //
0029 // GEANT4 Class header file
0030 //
0031 //
0032 // File name:     G4EmMultiModel
0033 //
0034 // Author:        Vladimir Ivanchenko
0035 //
0036 // Creation date: 03.05.2004
0037 //
0038 // Modifications:
0039 // 15-04-05 optimize internal interface (V.Ivanchenko)
0040 // 04-07-10 updated interfaces according to g4 9.4 (V.Ivanchenko)
0041 //
0042 // Class Description:
0043 //
0044 // EM model using several G4VEmModels for the same energy interval
0045
0046 // -------------------------------------------------------------------
0047 //
0048
0049 #ifndef G4EmMultiModel_h
0050 #define G4EmMultiModel_h 1
0051
0052 #include "globals.hh"
0053 #include "G4VEmModel.hh"
0054 #include "G4ParticleDefinition.hh"
0055 #include "G4MaterialCutsCouple.hh"
0056 #include "G4Material.hh"
0057 #include <vector>
0058
0059 class G4DynamicParticle;
0060
0061 class G4EmMultiModel :  public G4VEmModel
0062 {
0063 public:
0064
0065   explicit G4EmMultiModel(const G4String& nam = "MultiModel");
0066
0067   ~G4EmMultiModel() override;
0068
0069   void AddModel(G4VEmModel*);
0070
0071   void Initialise(const G4ParticleDefinition*, const G4DataVector&) final;
0072
0073   G4double ComputeDEDXPerVolume(const G4Material*,
0074                 const G4ParticleDefinition*,
0075                 G4double kineticEnergy,
0076                 G4double cutEnergy) final;
0077
0078   // main method to compute cross section per atom
0079   G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition*,
0080                       G4double kinEnergy,
0081                       G4double Z,
0082                       G4double A = 0., /* amu */
0083                       G4double cutEnergy = 0.0,
0084                       G4double maxEnergy = DBL_MAX) final;
0085
0086   void SampleSecondaries(std::vector<G4DynamicParticle*>*,
0087              const G4MaterialCutsCouple*,
0088              const G4DynamicParticle*,
0089              G4double tmin,
0090              G4double tmax) final;
0091
0092   //  hide assignment operator
0093   G4EmMultiModel & operator=(const  G4EmMultiModel &right) = delete;
0094   G4EmMultiModel(const  G4EmMultiModel&) = delete;
0095
0096 private:
0097
0098   G4int                         nModels = 0;
0099   std::vector<G4VEmModel*>      model;
0100   std::vector<G4double>         cross_section;
0101
0102 };
0103
0104 #endif
0105