include/Geant4/G4StandardCerenkovModel.hh

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0025 //
0026 // --------------------------------------------------------------------
0027 //
0028 // G4StandardCerenkovModel
0029 //
0030 // Class description:
0031 // The classical Cerenkov gamma emission assuming infinite media.
0032 // The model is active only inside defined list of logical volumes
0033 //
0034 // Created 25.05.2025 V.Ivanchenko on base of G4Cerenkov class
0035 //
0036 // --------------------------------------------------------------------
0037
0038 #ifndef G4StandardCerenkovModel_h
0039 #define G4StandardCerenkovModel_h 1
0040
0041 #include "G4VXRayModel.hh"
0042 #include "globals.hh"
0043 #include "G4LogicalVolume.hh"
0044 #include "G4MaterialPropertyVector.hh"
0045
0046 #include <vector>
0047
0048 class G4MaterialCutsCouple;
0049 class G4ParticleDefinition;
0050 class G4Step;
0051 class G4Track;
0052
0053 class G4StandardCerenkovModel : public G4VXRayModel
0054 {
0055 public:
0056   G4StandardCerenkovModel();
0057
0058   // the default copy constructor is used by G4GeneralCerenkov class
0059   G4StandardCerenkovModel(const G4StandardCerenkovModel&) = default;
0060
0061   ~G4StandardCerenkovModel() override;
0062
0063   G4StandardCerenkovModel& operator=(const G4StandardCerenkovModel& right) = delete;
0064   G4StandardCerenkovModel& operator==(const G4StandardCerenkovModel& right) = delete;
0065   G4StandardCerenkovModel& operator!=(const G4StandardCerenkovModel& right) = delete;
0066
0067   void InitialiseModel() override;
0068
0069   G4bool StepLimitForVolume(G4double& limit) override;
0070
0071   void SampleXRays(std::vector<G4Track*>& out, const G4Step&) override;
0072
0073   void ModelDescription(std::ostream& outFile) const override;
0074
0075 private:
0076
0077   G4double AverageNumberOfPhotons(const G4double charge, const G4double beta,
0078                   const G4double n) const
0079   {
0080     return fRfact*charge*charge*std::max(1.0 - 1.0/(beta*n), 0.0);
0081   }
0082
0083   static std::vector<G4double>* fBetaLim;
0084   static std::vector<std::vector<G4double>* >* fMeanNumberOfPhotons;
0085   static std::vector<std::vector<std::vector<G4double>* >* >* fIntegral;
0086   static std::vector<G4MaterialPropertyVector*>* fRindex;
0087
0088   const G4ParticleDefinition* fParticle{nullptr};
0089   const G4ParticleDefinition* fPhoton{nullptr};
0090   G4double fPreStepKinE{0.0};
0091   G4double fMass{0.0};
0092   G4double fCharge{0.0};
0093   G4double fMeanNPhotons{0.0};
0094   G4double fRfact{1.0};
0095
0096   G4bool isInitializer{false};
0097   G4bool isInitialized{false};
0098 };
0099
0100 #endif