G4VRestProcess.hh

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//
// $Id: G4VRestProcess.hh 71231 2013-06-12 13:06:28Z gcosmo $
//
// 
// ------------------------------------------------------------
//  GEANT 4 class header file 
//
//  History: first implementation, based on object model of
//  2nd December 1995, G.Cosmo
// 
// Class Description 
//  Abstract class which defines the public behavior of
//  physics interactions at rest.
//
// ------------------------------------------------------------
//   New Physics scheme           18 Dec. 1996  H.Kurahige
// ------------------------------------------------------------
//   modified                     25 Feb. 1997  H.Kurahige
//   modified                      8 Mar. 1997  H.Kurahige
//   modified                     26 Mar. 1997  H.Kurahige
//   modified                     16 Apr. 1997  L.Urban    
//   modified                     17 Dec. 1997  L.Urban    
//   modified for new ParticleChange 12 Mar. 1998  H.Kurashige


#ifndef G4VRestProcess_h
#define G4VRestProcess_h 1

#include "globals.hh"
#include "G4ios.hh"

#include "G4VProcess.hh"


class G4VRestProcess : public G4VProcess 
{
  //  Abstract class which defines the public behavior of
  //  physics interactions at rest.

  public:
      G4VRestProcess(const G4String&  ,
         G4ProcessType   aType = fNotDefined );
      G4VRestProcess(G4VRestProcess& );

      virtual ~G4VRestProcess();

  public:   //  with description
      virtual G4double AtRestGetPhysicalInteractionLength(
                             const G4Track& track,
           G4ForceCondition* condition
          );

      virtual G4VParticleChange* AtRestDoIt(
           const G4Track& ,
           const G4Step&
          );

     //  no operation in  PostStepDoIt and  AlongStepDoIt
      virtual G4double AlongStepGetPhysicalInteractionLength(
                             const G4Track&,
           G4double  ,
           G4double  ,
           G4double& ,
                       G4GPILSelection*
         ){ return -1.0; };

      virtual G4double PostStepGetPhysicalInteractionLength(
                             const G4Track& ,
           G4double   ,
           G4ForceCondition* 
          ) { return -1.0; };

     //  no operation in  PostStepDoIt and  AlongStepDoIt
      virtual G4VParticleChange* PostStepDoIt(
           const G4Track& ,
           const G4Step&
          ) {return 0;};

      virtual G4VParticleChange* AlongStepDoIt(
           const G4Track& ,
           const G4Step& 
          ) {return 0;};
 
  protected: //  with description

      virtual G4double GetMeanLifeTime(const G4Track& aTrack,G4ForceCondition* condition)=0;
      //  Calculates the mean life-time (i.e. for decays) of the
      //  particle at rest due to the occurence of the given process,
      //  or converts the probability of interaction (i.e. for
      //  annihilation) into the life-time of the particle for the
      //  occurence of the given process.

 private:
  // hide default constructor and assignment operator as private 
      G4VRestProcess();
      G4VRestProcess & operator=(const G4VRestProcess &right);
};



#endif