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// $Id: G3toG4PhysicsList.cc,v 1.5 2006/06/29 17:20:23 gunter Exp $
// GEANT4 tag $Name:  $
//
// 

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#include "G3toG4PhysicsList.hh"

#include "G4ParticleDefinition.hh"
#include "G4ParticleWithCuts.hh"
#include "G4ProcessManager.hh"
#include "G4ProcessVector.hh"
#include "G4ParticleTypes.hh"
#include "G4ParticleTable.hh"
#include "G4LossTableManager.hh"
#include "G4Material.hh"
#include "G4ios.hh"

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G3toG4PhysicsList::G3toG4PhysicsList():  G4VUserPhysicsList()
{
  currentDefaultCut = defaultCutValue = 2.0*mm;
  cutForGamma       = defaultCutValue;
  cutForElectron    = defaultCutValue;
  cutForProton      = defaultCutValue;

  SetVerboseLevel(1);
  G4LossTableManager::Instance()->SetVerbose(1);
}

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G3toG4PhysicsList::~G3toG4PhysicsList()
{}

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void G3toG4PhysicsList::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();
  ConstructMesons();
  ConstructBaryons();
}

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void G3toG4PhysicsList::ConstructBosons()
{
  // pseudo-particles
  G4Geantino::GeantinoDefinition();
  G4ChargedGeantino::ChargedGeantinoDefinition();

  // gamma
  G4Gamma::GammaDefinition();

  // optical photon
  G4OpticalPhoton::OpticalPhotonDefinition();
}
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void G3toG4PhysicsList::ConstructLeptons()
{
  // leptons
  G4Electron::ElectronDefinition();
  G4Positron::PositronDefinition();
  G4MuonPlus::MuonPlusDefinition();
  G4MuonMinus::MuonMinusDefinition();

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

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void G3toG4PhysicsList::ConstructMesons()
{
 //  mesons
  G4PionPlus::PionPlusDefinition();
  G4PionMinus::PionMinusDefinition();
  G4PionZero::PionZeroDefinition();
  G4Eta::EtaDefinition();
  G4EtaPrime::EtaPrimeDefinition();
  G4KaonPlus::KaonPlusDefinition();
  G4KaonMinus::KaonMinusDefinition();
  G4KaonZero::KaonZeroDefinition();
  G4AntiKaonZero::AntiKaonZeroDefinition();
  G4KaonZeroLong::KaonZeroLongDefinition();
  G4KaonZeroShort::KaonZeroShortDefinition();
}

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void G3toG4PhysicsList::ConstructBaryons()
{
//  barions
  G4Proton::ProtonDefinition();
  G4AntiProton::AntiProtonDefinition();
  G4Neutron::NeutronDefinition();
  G4AntiNeutron::AntiNeutronDefinition();
}


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void G3toG4PhysicsList::ConstructProcess()
{
  AddTransportation();
  ConstructEM();
  ConstructGeneral();
}

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

#include "G4hIonisation.hh"

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void G3toG4PhysicsList::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( particleName == "mu+" || 
               particleName == "mu-"    ) {
     //muon  
     pmanager->AddProcess(new G4MultipleScattering(),-1, 1,1);
     pmanager->AddProcess(new G4MuIonisation(),      -1, 2,2);
     pmanager->AddProcess(new G4MuBremsstrahlung(),  -1, 3,3);
     pmanager->AddProcess(new G4MuPairProduction(),  -1, 4,4);       
     
    } else if ((!particle->IsShortLived()) &&
	       (particle->GetPDGCharge() != 0.0) && 
	       (particle->GetParticleName() != "chargedgeantino")) {
      //all others charged particles except geantino
      pmanager->AddProcess(new G4MultipleScattering(),-1,1,1);
      pmanager->AddProcess(new G4hIonisation(),       -1,2,2);
    }
  }
}


#include "G4Decay.hh"

void G3toG4PhysicsList::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 G3toG4PhysicsList::SetCuts()
{
  // reactualise cutValues
  if (currentDefaultCut != defaultCutValue)
    {
     if(cutForGamma    == currentDefaultCut) cutForGamma    = defaultCutValue;
     if(cutForElectron == currentDefaultCut) cutForElectron = defaultCutValue;
     currentDefaultCut = defaultCutValue;
    }

  if (verboseLevel >0){
    G4cout << "G3toG4PhysicsList::SetCuts:";
    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(cutForGamma, "gamma");
  SetCutValue(cutForElectron, "e-");
  SetCutValue(cutForElectron, "e+");

  if (verboseLevel>0) DumpCutValuesTable();
}

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void      G3toG4PhysicsList::SetCutForGamma(G4double cut)
{
  ResetCuts();
  cutForGamma = cut;
}

void      G3toG4PhysicsList::SetCutForElectron(G4double cut)
{
  ResetCuts();
  cutForElectron = cut;
}

void      G3toG4PhysicsList::SetCutForProton(G4double cut)
{
  ResetCuts();
  cutForProton = cut;
}

G4double  G3toG4PhysicsList::GetCutForGamma() const
{
  return cutForGamma;
}

G4double  G3toG4PhysicsList::GetCutForElectron() const
{
  return cutForElectron;
}

G4double  G3toG4PhysicsList::GetCutForProton() const
{
  return cutForGamma;
}