G4NuclearStopping.hh

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// $Id$
//
// -----------------------------------------------------------------------------
//
// GEANT4 Class header file
//
// Author:        Vladimir Ivanchenko
//
// Creation date: 20 July 2009
// 
// Modified:
//
//------------------------------------------------------------------------------
//

// class description
//
//  The class simulates nuclear stopping due to multiple scattering
//
// class description - end

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#ifndef G4NuclearStopping_h
#define G4NuclearStopping_h 1

#include "G4VEmProcess.hh"
#include "globals.hh"
#include "G4Track.hh"
#include "G4Step.hh"
#include "G4ParticleDefinition.hh"
#include "G4GPILSelection.hh"
#include "G4ParticleChangeForLoss.hh"

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class G4ICRU49NuclearStoppingModel;

class G4NuclearStopping : public G4VEmProcess
{

public:    // with description

  G4NuclearStopping(const G4String& processName="nuclearStopping");

  virtual ~G4NuclearStopping();

  // returns true for charged particles, false otherwise
  G4bool IsApplicable (const G4ParticleDefinition& p);

  // implementation of pure virtual method
  G4double AlongStepGetPhysicalInteractionLength(const G4Track& track,
                         G4double  previousStepSize,
                         G4double  currentMinimumStep,
                         G4double& proposedSafety,
                         G4GPILSelection* selection);

  // implementation of energy loss along step
  G4VParticleChange* AlongStepDoIt(const G4Track& track,
                   const G4Step&  step);

  // Print few lines of informations about the process: validity range,
  void PrintInfo();

protected:

  // This function initialise process
  void InitialiseProcess(const G4ParticleDefinition*);

private:       

  // copy constructor and hide assignment operator
  G4NuclearStopping(G4NuclearStopping &);
  G4NuclearStopping & operator=(const G4NuclearStopping &right);

  G4ParticleChangeForLoss nParticleChange;

  G4ICRU49NuclearStoppingModel* modelICRU49;

  G4bool   isInitialized;

};

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#endif