G4ICRU49NuclearStoppingModel.hh

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// $Id$
//
// -------------------------------------------------------------------
//
//
// GEANT4 Class header file
//
//
// File name:     G4ICRU49NuclearStoppingModel
//
// Author:        V.Ivanchenko 
//
// Creation date: 20.07.2009 
//
// Modifications:
//
//
// Class Description:
//
// Implementation of the ICRU'49 model of nuclear stopping 
 
// -------------------------------------------------------------------
//
 
#ifndef G4ICRU49NuclearStoppingModel_h
#define G4ICRU49NuclearStoppingModel_h 1
 
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#include "G4VEmModel.hh"
 
class G4ParticleChangeForLoss;
class G4Pow;
 
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class G4ICRU49NuclearStoppingModel : public G4VEmModel
{
 
public:
 
  G4ICRU49NuclearStoppingModel(const G4String& nam = "ICRU49NucStopping");
 
  virtual ~G4ICRU49NuclearStoppingModel();
 
  virtual void Initialise(const G4ParticleDefinition*, 
              const G4DataVector&);
 
  // main method to compute dEdx
  virtual G4double ComputeDEDXPerVolume(const G4Material*,
                                        const G4ParticleDefinition*,
                                        G4double kineticEnergy,
                                        G4double cutEnergy = DBL_MAX);
 
  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
                 const G4MaterialCutsCouple*,
                 const G4DynamicParticle*, 
                 G4double, G4double);
 
  inline void SetFluctuationFlag(G4bool);
 
private:
 
  void InitialiseNuclearStopping();
 
  G4double NuclearStoppingPower(G4double kineticEnergy,
                G4double Z1, G4double Z2,
                G4double A1, G4double A2);
 
  //  hide assignment operator
  G4ICRU49NuclearStoppingModel & operator=(const  G4ICRU49NuclearStoppingModel &right);
  G4ICRU49NuclearStoppingModel(const  G4ICRU49NuclearStoppingModel&);
 
  G4Pow* g4pow;
 
  static G4double ed[104];
  static G4double ad[104];
 
  G4double theZieglerFactor;
 
  // flags
  G4bool   lossFlucFlag;
};
 
inline void G4ICRU49NuclearStoppingModel::SetFluctuationFlag(G4bool val)
{
  lossFlucFlag = val;
}
 
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#endif