G4EmMultiModel.hh

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// $Id: G4EmMultiModel.hh 95681 2016-02-18 09:44:18Z gcosmo $
//
// -------------------------------------------------------------------
//
// 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 <vector>

class G4DynamicParticle;

class G4EmMultiModel :  public G4VEmModel
{

public:

  explicit G4EmMultiModel(const G4String& nam = "MultiModel");

  virtual ~G4EmMultiModel();

  void AddModel(G4VEmModel*);

  virtual void Initialise(const G4ParticleDefinition*, 
        const G4DataVector&) final;

  virtual G4double ComputeDEDX(const G4MaterialCutsCouple*,
             const G4ParticleDefinition*,
             G4double kineticEnergy,
             G4double cutEnergy) final;

  // main method to compute cross section per atom
  virtual 
  G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition*,
              G4double kinEnergy,
              G4double Z,
              G4double A = 0., /* amu */
              G4double cutEnergy = 0.0,
              G4double maxEnergy = DBL_MAX) final;

  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
         const G4MaterialCutsCouple*,
         const G4DynamicParticle*,
         G4double tmin,
         G4double tmax) final;

private: 

  //  hide assignment operator
  G4EmMultiModel & operator=(const  G4EmMultiModel &right) = delete;
  G4EmMultiModel(const  G4EmMultiModel&) = delete;

  G4int                         nModels;
  std::vector<G4VEmModel*>      model;
  std::vector<G4double>         cross_section;

};

#endif