G4WentzelVIRelModel.hh

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// -------------------------------------------------------------------
//
//
// GEANT4 Class header file
//
//
// File name:     G4WentzelVIRelModel
//
// Author:        V.Ivanchenko 
//
// Creation date: 08.06.2012 from G4WentzelVIModel
//
// Modifications:
//
// Class Description:
//
// Implementation of the model of multiple scattering based on
// G.Wentzel, Z. Phys. 40 (1927) 590.
// H.W.Lewis, Phys Rev 78 (1950) 526.
// J.M. Fernandez-Varea et al., NIM B73 (1993) 447.
// L.Urban, CERN-OPEN-2006-077.
 
// -------------------------------------------------------------------
//
 
#ifndef G4WentzelVIRelModel_h
#define G4WentzelVIRelModel_h 1
 
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#include "G4WentzelVIModel.hh"
#include "G4Threading.hh"
#include <vector>
 
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class G4NistManager;
 
class G4WentzelVIRelModel : public G4WentzelVIModel
{
 
public:
 
  explicit G4WentzelVIRelModel();
 
  ~G4WentzelVIRelModel() override;
 
  
  void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
 
  G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition*,
                      G4double KineticEnergy,
                      G4double AtomicNumber,
                      G4double AtomicWeight=0., 
                      G4double cut = DBL_MAX,
                      G4double emax= DBL_MAX) override;
 
  void DefineMaterial(const G4MaterialCutsCouple* cup);
 
  //  hide assignment operator
  G4WentzelVIRelModel & operator=(const  G4WentzelVIRelModel &right) = delete;
  G4WentzelVIRelModel(const  G4WentzelVIRelModel&) = delete;
 
private:
 
  void ComputeEffectiveMass();
 
  static std::vector<G4double> effMass;
  G4NistManager* fNistManager;
 
#ifdef G4MULTITHREADED
  static G4Mutex WentzelVIRelModelMutex;
#endif
};
 
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#endif