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geant4/source/processes/electromagnetic/xrays/include/G4StandardCerenkovModel.hh
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2025-12-05 08:54:02 +01:00

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//
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//
// --------------------------------------------------------------------
//
// G4StandardCerenkovModel
//
// Class description:
// The classical Cerenkov gamma emission assuming infinite media.
// The model is active only inside defined list of logical volumes
//
// Created 25.05.2025 V.Ivanchenko on base of G4Cerenkov class
//
// --------------------------------------------------------------------
#ifndef G4StandardCerenkovModel_h
#define G4StandardCerenkovModel_h 1
#include "G4VXRayModel.hh"
#include "globals.hh"
#include "G4LogicalVolume.hh"
#include "G4MaterialPropertyVector.hh"
#include <vector>
class G4MaterialCutsCouple;
class G4ParticleDefinition;
class G4Step;
class G4Track;
class G4StandardCerenkovModel : public G4VXRayModel
{
public:
G4StandardCerenkovModel();
// the default copy constructor is used by G4GeneralCerenkov class
G4StandardCerenkovModel(const G4StandardCerenkovModel&) = default;
~G4StandardCerenkovModel() override;
G4StandardCerenkovModel& operator=(const G4StandardCerenkovModel& right) = delete;
G4StandardCerenkovModel& operator==(const G4StandardCerenkovModel& right) = delete;
G4StandardCerenkovModel& operator!=(const G4StandardCerenkovModel& right) = delete;
void InitialiseModel() override;
G4bool StepLimitForVolume(G4double& limit) override;
void SampleXRays(std::vector<G4Track*>& out, const G4Step&) override;
void ModelDescription(std::ostream& outFile) const override;
private:
G4double AverageNumberOfPhotons(const G4double charge, const G4double beta,
const G4double n) const
{
return fRfact*charge*charge*std::max(1.0 - 1.0/(beta*n), 0.0);
}
static std::vector<G4double>* fBetaLim;
static std::vector<std::vector<G4double>* >* fMeanNumberOfPhotons;
static std::vector<std::vector<std::vector<G4double>* >* >* fIntegral;
static std::vector<G4MaterialPropertyVector*>* fRindex;
const G4ParticleDefinition* fParticle{nullptr};
const G4ParticleDefinition* fPhoton{nullptr};
G4double fPreStepKinE{0.0};
G4double fMass{0.0};
G4double fCharge{0.0};
G4double fMeanNPhotons{0.0};
G4double fRfact{1.0};
G4bool isInitializer{false};
G4bool isInitialized{false};
};
#endif