G4BetheHeitler5DModel.hh

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//
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name:     G4BetheHeitler5DModel
//
// Authors:
// Igor Semeniouk and Denis Bernard,
// LLR, Ecole polytechnique & CNRS/IN2P3, 91128 Palaiseau, France
//
// Modifications:
// 27-10-17 New class (IgS)
// 19-01-18 version that calculates the pdf in the same way as in the fortran
//          version (Denis Bernard)
// 04-06-18 Performance optimization of the final state sampling (M. Novak)
// 10-04-19 CLHEP for boost and rotation, remove local functions (IgS)
// 02-09-19 Set base class to be G4PairProductionRelModel that can provide 
//          accurate sections now from threshold to very high energies
//          including the LPM effect. (M. Novak)
// 14-10-19 Muon's pair genaration in SampleSecondaries
//
// Class Description:
//
// Implementation of gamma conversion to e+e- in the field of a nucleus
//
 
// -------------------------------------------------------------------
//
 
#ifndef G4BetheHeitler5DModel_h
#define G4BetheHeitler5DModel_h 1
 
#include "G4PairProductionRelModel.hh"
 
class G4IonTable;
 
class G4BetheHeitler5DModel : public G4PairProductionRelModel
{
 
public:
 
  explicit G4BetheHeitler5DModel(const G4ParticleDefinition* p = nullptr,
                                 const G4String& nam = "BetheHeitler5D");
 
  ~G4BetheHeitler5DModel() override;
 
  void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
 
  void SampleSecondaries(std::vector<G4DynamicParticle*>* fvect,
                         const G4MaterialCutsCouple* couple,
                         const G4DynamicParticle* aDynamicGamma,
                         G4double, G4double) override;
 
  inline void SetVerbose(G4int val) { fVerbose = val; }
 
  // Only e+, e+ or mu+, mu- pairs supported
  void SetLeptonPair(const G4ParticleDefinition* p1,
             const G4ParticleDefinition* p2);
 
  // hide assignment operator
  G4BetheHeitler5DModel& operator=(const G4BetheHeitler5DModel& right) = delete;
  G4BetheHeitler5DModel(const  G4BetheHeitler5DModel&) = delete;
 
private:
 
  G4double MaxDiffCrossSection(const G4double* par, G4double eZ,
                               G4double e, G4double loge) const;
 
  inline void SetConversionMode(G4int to) { fConvMode = to; }
 
  G4IonTable* theIonTable;
 
  const G4ParticleDefinition*  fLepton1;
  const G4ParticleDefinition*  fLepton2;
 
  const G4ParticleDefinition*  fTheMuPlus;
  const G4ParticleDefinition*  fTheMuMinus;
 
  G4int  fVerbose;
  G4int  fConversionType;
  G4int  fConvMode;
  G4bool iraw;
};
#endif