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// $Id: ExN04EMPhysics.cxx,v 1.1.1.1 2004/09/28 05:16:53 liwd Exp $
// GEANT4 tag $Name: G4Svc-00-01-52 $
//
// 

#include "Physics/ExN04EMPhysics.hh"

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


ExN04EMPhysics::ExN04EMPhysics(const G4String& name)
               :  G4VPhysicsConstructor(name)
{
}

ExN04EMPhysics::~ExN04EMPhysics()
{
}

#include "G4ParticleDefinition.hh"
#include "G4ParticleTable.hh"

#include "G4Gamma.hh"

#include "G4Electron.hh"
#include "G4Positron.hh"

#include "G4NeutrinoE.hh"
#include "G4AntiNeutrinoE.hh"

void ExN04EMPhysics::ConstructParticle()
{
  // gamma
  G4Gamma::GammaDefinition();
 
  // electron
  G4Electron::ElectronDefinition();
  G4Positron::PositronDefinition();
  G4NeutrinoE::NeutrinoEDefinition();
  G4AntiNeutrinoE::AntiNeutrinoEDefinition();
}


#include "G4ProcessManager.hh"


void ExN04EMPhysics::ConstructProcess()
{
  G4ProcessManager * pManager = 0;
  
  // Gamma Physics
  pManager = G4Gamma::Gamma()->GetProcessManager();
  pManager->AddDiscreteProcess(&thePhotoEffect);
  pManager->AddDiscreteProcess(&theComptonEffect);
  pManager->AddDiscreteProcess(&thePairProduction);

  // Electron Physics
  pManager = G4Electron::Electron()->GetProcessManager();
   // add processes
  pManager->AddDiscreteProcess(&theElectronBremsStrahlung);  

  pManager->AddProcess(&theElectronIonisation, ordInActive,2, 2);

  pManager->AddProcess(&theElectronMultipleScattering);
  pManager->SetProcessOrdering(&theElectronMultipleScattering, idxAlongStep,  1);
  pManager->SetProcessOrdering(&theElectronMultipleScattering, idxPostStep,  1);

  //Positron Physics
  pManager = G4Positron::Positron()->GetProcessManager();
  // add processes
  pManager->AddDiscreteProcess(&thePositronBremsStrahlung);

  pManager->AddDiscreteProcess(&theAnnihilation);

  pManager->AddRestProcess(&theAnnihilation);

  pManager->AddProcess(&thePositronIonisation, ordInActive,2, 2);

  pManager->AddProcess(&thePositronMultipleScattering);
  pManager->SetProcessOrdering(&thePositronMultipleScattering, idxAlongStep,  1);
  pManager->SetProcessOrdering(&thePositronMultipleScattering, idxPostStep,  1);

}

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