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//
// $Id: PhysicsList.cc,v 1.5 2009/11/19 18:12:32 maire Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $
//
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#include "PhysicsList.hh"
#include "PhysicsListMessenger.hh"

#include "G4ParticleDefinition.hh"
#include "G4ProcessManager.hh"
#include "G4ParticleTypes.hh"
#include "G4ParticleTable.hh"

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

#include "G4eMultipleScattering.hh"
#include "G4eIonisation.hh"
#include "G4eBremsstrahlung.hh"
#include "G4eplusAnnihilation.hh"

#include "G4MuMultipleScattering.hh"
#include "G4MuIonisation.hh"
#include "G4MuBremsstrahlung.hh"
#include "G4MuPairProduction.hh"

#include "G4SynchrotronRadiation.hh"
#include "G4SynchrotronRadiationInMat.hh"

#include "G4StepLimiter.hh"

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PhysicsList::PhysicsList()
: G4VUserPhysicsList()
{
  defaultCutValue = 1.*km;
  
  SRType = true; 
  pMes = new PhysicsListMessenger(this);
}

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PhysicsList::~PhysicsList()
{ 
  delete pMes;
}

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void PhysicsList::ConstructParticle()
{
  // In this method, static member functions should be called
  // for all particles which you want to use.
  // This ensures that objects of these particle types will be
  // created in the program.

  ConstructBosons();
  ConstructLeptons();
}

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void PhysicsList::ConstructBosons()
{
  // pseudo-particles
  G4Geantino::GeantinoDefinition();
  G4ChargedGeantino::ChargedGeantinoDefinition();

  // gamma
  G4Gamma::GammaDefinition();
}

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void PhysicsList::ConstructLeptons()
{
  // leptons
  G4Electron::ElectronDefinition();
  G4Positron::PositronDefinition();
  G4MuonPlus::MuonPlusDefinition();
  G4MuonMinus::MuonMinusDefinition();

  G4NeutrinoE::NeutrinoEDefinition();
  G4AntiNeutrinoE::AntiNeutrinoEDefinition();
  G4NeutrinoMu::NeutrinoMuDefinition();
  G4AntiNeutrinoMu::AntiNeutrinoMuDefinition();
}

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

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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 G4eMultipleScattering,       -1, 1, 1);
      pmanager->AddProcess(new G4eIonisation,               -1, 2, 2);
      pmanager->AddProcess(new G4eBremsstrahlung,           -1, 3, 3);
      if (SRType)
      pmanager->AddProcess(new G4SynchrotronRadiation,      -1,-1, 4);
      else
      pmanager->AddProcess(new G4SynchrotronRadiationInMat, -1,-1, 4); 
      pmanager->AddProcess(new G4StepLimiter,               -1,-1, 5);
     
    } else if (particleName == "e+") {
      //positron
      pmanager->AddProcess(new G4eMultipleScattering,       -1, 1, 1);
      pmanager->AddProcess(new G4eIonisation,               -1, 2, 2);
      pmanager->AddProcess(new G4eBremsstrahlung,           -1, 3, 3);
      pmanager->AddProcess(new G4eplusAnnihilation,          0,-1, 4);
      if (SRType)
      pmanager->AddProcess(new G4SynchrotronRadiation,      -1,-1, 5);
      else
      pmanager->AddProcess(new G4SynchrotronRadiationInMat, -1,-1, 5);       
      pmanager->AddProcess(new G4StepLimiter,               -1,-1, 6);
      
    } else if( particleName == "mu+" ||
               particleName == "mu-"    ) {
      //muon
      pmanager->AddProcess(new G4MuMultipleScattering, -1, 1, 1);
      pmanager->AddProcess(new G4MuIonisation,         -1, 2, 2);
      pmanager->AddProcess(new G4MuBremsstrahlung,     -1, 3, 3);
      pmanager->AddProcess(new G4MuPairProduction,     -1, 4, 4);
      
    }
  }
}

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#include "G4Decay.hh"

void PhysicsList::ConstructGeneral()
{
  // Add Decay Process
  G4Decay* theDecayProcess = new G4Decay();
  theParticleIterator->reset();
  while ((*theParticleIterator)()){
      G4ParticleDefinition* particle = theParticleIterator->value();
      G4ProcessManager* pmanager = particle->GetProcessManager();
      if (theDecayProcess->IsApplicable(*particle)) {
        pmanager ->AddProcess(theDecayProcess);
        // set ordering for PostStepDoIt and AtRestDoIt
        pmanager ->SetProcessOrdering(theDecayProcess, idxPostStep);
        pmanager ->SetProcessOrdering(theDecayProcess, idxAtRest);
      }
  }
}

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void PhysicsList::SetCuts()
{
  if (verboseLevel >0){
    G4cout << "CutLength : " << G4BestUnit(defaultCutValue,"Length") << G4endl;
  }

  // set cut values for gamma at first and for e- second and next for e+,
  // because some processes for e+/e- need cut values for gamma
  SetCutValue(defaultCutValue, "gamma");
  SetCutValue(defaultCutValue, "e-");
  SetCutValue(defaultCutValue, "e+");

  if (verboseLevel>0) DumpCutValuesTable();
}

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