G4BohrFluctuations.hh

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// $Id$
//
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name:     G4BohrFluctuations
//
// Author:        Vladimir Ivanchenko
//
// Creation date: 02.04.2003
//
// Modifications: 
//
// 16-10-03 Changed interface to Initialisation (V.Ivanchenko)
//
// Class Description:
//
// Implementation of Gaussion energy loss Fluctuations
 
// -------------------------------------------------------------------
//
 
#ifndef G4BohrFluctuations_h
#define G4BohrFluctuations_h 1
 
 
#include "G4VEmFluctuationModel.hh"
#include "G4Material.hh"
#include "G4DynamicParticle.hh"
 
class G4BohrFluctuations : public G4VEmFluctuationModel
{
 
public:
 
  G4BohrFluctuations(const G4String& nam = "BohrFluc");
 
  virtual ~G4BohrFluctuations();
 
  G4double SampleFluctuations(const G4Material*,
                              const G4DynamicParticle*,
                    G4double&,
                                    G4double&,
                                    G4double&);
 
  G4double Dispersion(    const G4Material*,
                          const G4DynamicParticle*,
                G4double&,
                                G4double&);
 
  void InitialiseMe(const G4ParticleDefinition*);
 
private:
 
  // hide assignment operator
  G4BohrFluctuations & operator=(const  G4BohrFluctuations &right);
  G4BohrFluctuations(const  G4BohrFluctuations&);
 
  const G4ParticleDefinition* particle;
 
  G4double particleMass;
  G4double chargeSquare;
 
  G4double minNumberInteractionsBohr;
  G4double minFraction;
  G4double xmin;
  G4double minLoss;
  // cash
  G4double kineticEnergy;
  G4double beta2;
};
 
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#endif