src/PhysicsList.cc

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//
// $Id: PhysicsList.cc 77 2008-05-26 14:10:41Z maire $
//
// PhysicsList.cc
//
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#include "globals.hh"
#include "PhysicsList.hh"

#include "G4ProcessManager.hh"
#include "G4ParticleTypes.hh"

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PhysicsList::PhysicsList():  G4VUserPhysicsList()
{
  defaultCutValue = 1.0*mm;
  SetVerboseLevel(1);
}

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PhysicsList::~PhysicsList()
{}

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void PhysicsList::ConstructParticle()
{
  // pseudo-particles
  G4Geantino::GeantinoDefinition();

  // gamma
  G4Gamma::GammaDefinition();
  
  // e+/-
  G4Electron::ElectronDefinition();
  G4Positron::PositronDefinition();
    
  // proton
  G4Proton::ProtonDefinition();

  // neutron
  G4Neutron::NeutronDefinition();
}

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void PhysicsList::ConstructProcess()
{
  AddTransportation();
  ConstructEM();
}

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#include "G4ComptonScattering.hh"
#include "G4GammaConversion.hh"
#include "G4PhotoElectricEffect.hh"

#include "G4MultipleScattering.hh"

#include "G4eIonisation.hh"
#include "G4eBremsstrahlung.hh"
#include "G4eplusAnnihilation.hh"

#include "G4hIonisation.hh"

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void PhysicsList::ConstructEM()
{
  theParticleIterator->reset();
  while( (*theParticleIterator)() ){
    G4ParticleDefinition* particle = theParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    G4String particleName = particle->GetParticleName();
     
    if (particleName == "gamma") {
      // gamma         
      pmanager->AddDiscreteProcess(new G4PhotoElectricEffect);
      pmanager->AddDiscreteProcess(new G4ComptonScattering);
      pmanager->AddDiscreteProcess(new G4GammaConversion);
      
    } else if (particleName == "e-") {
      //electron
      pmanager->AddProcess(new G4MultipleScattering, -1, 1,1);
      pmanager->AddProcess(new G4eIonisation,        -1, 2,2);
      pmanager->AddProcess(new G4eBremsstrahlung,    -1, 3,3);      

    } else if (particleName == "e+") {
      //positron
      pmanager->AddProcess(new G4MultipleScattering, -1, 1,1);
      pmanager->AddProcess(new G4eIonisation,        -1, 2,2);
      pmanager->AddProcess(new G4eBremsstrahlung,    -1, 3,3);
      pmanager->AddProcess(new G4eplusAnnihilation,   0,-1,4);
     
    } else if (particle->GetPDGCharge() != 0.0) {
      pmanager->AddProcess(new G4MultipleScattering, -1, 1,1);
      pmanager->AddProcess(new G4hIonisation,        -1, 2,2);
    }
  }
}

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void PhysicsList::SetCuts()
{
  //G4VUserPhysicsList::SetCutsWithDefault method sets 
  //the default cut value for all particle types 
  //
  SetCutsWithDefault();
     
  if (verboseLevel>0) DumpCutValuesTable();
}

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