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// $Id: RemSimPositronStandard.cc,v 1.6 2006/06/29 16:24:07 gunter Exp $
// GEANT4 tag $Name:  $
//
// Author: Susanna Guatelli, guatelli@ge.infn.it
#include "RemSimPositronStandard.hh"
#include "G4ProcessManager.hh"
#include "G4Gamma.hh"
#include "G4ParticleDefinition.hh"
#include "G4MultipleScattering.hh"
#include "G4eIonisation.hh"
#include "G4eBremsstrahlung.hh"
#include "G4eplusAnnihilation.hh"
#include "G4StepLimiter.hh"

RemSimPositronStandard::RemSimPositronStandard(const G4String& name): G4VPhysicsConstructor(name)
{ }

RemSimPositronStandard::~RemSimPositronStandard()
{ }

void RemSimPositronStandard::ConstructProcess()
{
  // Add standard processes for positrons
  
  theParticleIterator -> reset();

  while( (*theParticleIterator)() )
    {
      G4ParticleDefinition* particle = theParticleIterator -> value();
      G4ProcessManager* manager = particle -> GetProcessManager();
      G4String particleName = particle -> GetParticleName();
     
      if (particleName == "e+") 
	{
	  manager -> AddProcess(new G4MultipleScattering, -1, 1,1);
	  manager -> AddProcess(new G4eIonisation,        -1, 2,2);
	  manager -> AddProcess(new G4eBremsstrahlung,    -1,-1,3);
	  manager -> AddProcess(new G4eplusAnnihilation,   0,-1,4); 
          manager -> AddProcess(new G4StepLimiter(),  -1,-1,3);
	}   
    }
}