G4SeltzerBergerModel.hh

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// $Id: G4SeltzerBergerModel.hh 98737 2016-08-09 12:51:38Z gcosmo $
//
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name:     G4SeltzerBergerModel
//
// Author:        Andreas Schaelicke & Vladimir Ivantchenko
//
// Creation date: 04.10.2011
//
// Modifications:
//
//
// Class Description:
//
// Implementation of the bremssrahlung energy spectrum using
// 1. S.M. Seltzer and M.J. Berger Nucl. Instr. Meth. B12 (1985) 95
// 2. S.M. Seltzer and M.J. Berger Atomic data and Nuclear Data 
//    Tables 35 (1986) 345
// Cross section computation in the base class G4eBremsstrahlungRelModel

// -------------------------------------------------------------------
//

#ifndef G4SeltzerBergerModel_h
#define G4SeltzerBergerModel_h 1

#include "G4eBremsstrahlungRelModel.hh"
#include "globals.hh"

class G4Physics2DVector;

class G4SeltzerBergerModel : public G4eBremsstrahlungRelModel
{

public:

  explicit G4SeltzerBergerModel(const G4ParticleDefinition* p = nullptr, 
        const G4String& nam = "eBremSB");

  virtual ~G4SeltzerBergerModel();

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

  virtual void InitialiseForElement(const G4ParticleDefinition*, G4int Z) override;

  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
         const G4MaterialCutsCouple*,
         const G4DynamicParticle*,
         G4double cutEnergy,
         G4double maxEnergy) override;

  inline void SetBicubicInterpolationFlag(G4bool);

protected:

  virtual G4double ComputeDXSectionPerAtom(G4double gammaEnergy) override;

  virtual G4String DirectoryPath() const;

private:

  void ReadData(G4int Z, const char* path = 0);

  // hide assignment operator
  G4SeltzerBergerModel & operator=(const  G4SeltzerBergerModel &right) = delete;
  G4SeltzerBergerModel(const  G4SeltzerBergerModel&) = delete;

  static G4Physics2DVector* dataSB[101];
  static G4double ylimit[101];
  static G4double expnumlim;
  G4int  nwarn;
  size_t idx;
  size_t idy;
  G4bool useBicubicInterpolation;
};

inline void G4SeltzerBergerModel::SetBicubicInterpolationFlag(G4bool val)
{
  useBicubicInterpolation = val;
}

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#endif