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geant4/source/processes/electromagnetic/utils/include/G4EmMultiModel.hh
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//
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// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name: G4EmMultiModel
//
// Author: Vladimir Ivanchenko
//
// Creation date: 03.05.2004
//
// Modifications:
// 15-04-05 optimize internal interface (V.Ivanchenko)
// 04-07-10 updated interfaces according to g4 9.4 (V.Ivanchenko)
//
// Class Description:
//
// EM model using several G4VEmModels for the same energy interval
// -------------------------------------------------------------------
//
#ifndef G4EmMultiModel_h
#define G4EmMultiModel_h 1
#include "globals.hh"
#include "G4VEmModel.hh"
#include "G4ParticleDefinition.hh"
#include "G4MaterialCutsCouple.hh"
#include "G4Material.hh"
#include <vector>
class G4DynamicParticle;
class G4EmMultiModel : public G4VEmModel
{
public:
explicit G4EmMultiModel(const G4String& nam = "MultiModel");
~G4EmMultiModel() override;
void AddModel(G4VEmModel*);
void Initialise(const G4ParticleDefinition*, const G4DataVector&) final;
G4double ComputeDEDXPerVolume(const G4Material*,
const G4ParticleDefinition*,
G4double kineticEnergy,
G4double cutEnergy) final;
// main method to compute cross section per atom
G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition*,
G4double kinEnergy,
G4double Z,
G4double A = 0., /* amu */
G4double cutEnergy = 0.0,
G4double maxEnergy = DBL_MAX) final;
void SampleSecondaries(std::vector<G4DynamicParticle*>*,
const G4MaterialCutsCouple*,
const G4DynamicParticle*,
G4double tmin,
G4double tmax) final;
// hide assignment operator
G4EmMultiModel & operator=(const G4EmMultiModel &right) = delete;
G4EmMultiModel(const G4EmMultiModel&) = delete;
private:
G4int nModels = 0;
std::vector<G4VEmModel*> model;
std::vector<G4double> cross_section;
};
#endif