InstallArea/include/PhySim/PhySim/BgsGentleGenocide.hh

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//-----------------------------------------------------------------------------
// File and Version Information:
// $Id: BgsGentleGenocide.hh,v 1.1 2007/10/12 07:30:20 caogf Exp $
//
// Description:
//  Class BgsGentleGenocide
//
//      A process that prevents the associated particle from being tracked
//      if it has traveled more than the specified number of steps and
//      falls below the specified kinetic energy.
//
//      To fix an apparent "loophole" in hadronic ionization for tritium
//
// Environment:
//  Software developed for the BaBar Detector at the SLAC B-Factory.
//
// Author List:
//  David Williams
//
// Copyright Information:
//  Copyright (C) 2001         SLAC
//
//-----------------------------------------------------------------------------
 
#ifndef BgsGentleGenocide_hh
#define BgsGentleGenocide_hh
 
#include "BgsGenocide.hh"
 
class BgsGentleGenocide : public BgsGenocide {
    public:
    BgsGentleGenocide( G4double theMaxKineticEnergy,
               G4int theMinNumberSteps,
                       const G4String &name="BgsGentleGenocide",
                   G4ProcessType type=fUserDefined           );
    virtual ~BgsGentleGenocide();
 
    //
    // Derived methods
    //
        virtual G4double
        PostStepGetPhysicalInteractionLength( const G4Track& track,
                              G4double   previousStepSize,
                              G4ForceCondition* condition );
 
    protected:
    G4double maxKineticEnergy;
    G4int minNumberSteps;
};
 
 
#endif