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//
// $Id: PhysicsList.cc,v 1.40 2009/11/15 22:10:03 maire Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $
//
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#include "PhysicsList.hh"
#include "PhysicsListMessenger.hh"

#include "PhysListEmStandard.hh"
#include "PhysListEmStandardSS.hh"
#include "PhysListEmStandardGS.hh"

#include "G4EmStandardPhysics.hh"
#include "G4EmStandardPhysics_option1.hh"
#include "G4EmStandardPhysics_option2.hh"
#include "G4EmStandardPhysics_option3.hh"
#include "G4EmLivermorePhysics.hh"
#include "G4EmPenelopePhysics.hh"

#include "G4Decay.hh"
#include "StepMax.hh"

#include "G4UnitsTable.hh"

#include "G4ParticleDefinition.hh"
#include "G4ProcessManager.hh"

// Bosons
#include "G4ChargedGeantino.hh"
#include "G4Geantino.hh"
#include "G4Gamma.hh"
#include "G4OpticalPhoton.hh"

// leptons
#include "G4MuonPlus.hh"
#include "G4MuonMinus.hh"
#include "G4NeutrinoMu.hh"
#include "G4AntiNeutrinoMu.hh"

#include "G4Electron.hh"
#include "G4Positron.hh"
#include "G4NeutrinoE.hh"
#include "G4AntiNeutrinoE.hh"

// Hadrons
#include "G4MesonConstructor.hh"
#include "G4BaryonConstructor.hh"
#include "G4IonConstructor.hh"

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PhysicsList::PhysicsList() : G4VModularPhysicsList()
{
  pMessenger = new PhysicsListMessenger(this); 
   
  // EM physics
  emName = G4String("local");
  emPhysicsList = new PhysListEmStandard(emName);
      
  defaultCutValue = 1.*mm;

  cutForGamma     = defaultCutValue;
  cutForElectron  = defaultCutValue;
  cutForPositron  = defaultCutValue;

  SetVerboseLevel(1);
}

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PhysicsList::~PhysicsList()
{
  delete emPhysicsList;
  delete pMessenger;  
}

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void PhysicsList::ConstructParticle()
{
  // pseudo-particles
  G4Geantino::GeantinoDefinition();
  G4ChargedGeantino::ChargedGeantinoDefinition();
  
  // gamma
  G4Gamma::GammaDefinition();
  
  // leptons
  G4Electron::ElectronDefinition();
  G4Positron::PositronDefinition();
  G4MuonPlus::MuonPlusDefinition();
  G4MuonMinus::MuonMinusDefinition();

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

  // mesons
  G4MesonConstructor mConstructor;
  mConstructor.ConstructParticle();

  // barions
  G4BaryonConstructor bConstructor;
  bConstructor.ConstructParticle();

  // ions
  G4IonConstructor iConstructor;
  iConstructor.ConstructParticle();
}

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void PhysicsList::ConstructProcess()
{
  AddTransportation();
  emPhysicsList->ConstructProcess();
  AddDecay();  
  AddStepMax();
}

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void PhysicsList::AddDecay()
{
  // Add Decay Process

  G4Decay* fDecayProcess = new G4Decay();

  theParticleIterator->reset();
  while( (*theParticleIterator)() ){
    G4ParticleDefinition* particle = theParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();

    if (fDecayProcess->IsApplicable(*particle) && !particle->IsShortLived()) { 

      pmanager ->AddProcess(fDecayProcess);

      // set ordering for PostStepDoIt and AtRestDoIt
      pmanager ->SetProcessOrdering(fDecayProcess, idxPostStep);
      pmanager ->SetProcessOrdering(fDecayProcess, idxAtRest);

    }
  }
}

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void PhysicsList::AddStepMax()
{
  // Step limitation seen as a process
  StepMax* stepMaxProcess = new StepMax();

  theParticleIterator->reset();
  while ((*theParticleIterator)()){
      G4ParticleDefinition* particle = theParticleIterator->value();
      G4ProcessManager* pmanager = particle->GetProcessManager();

      if (stepMaxProcess->IsApplicable(*particle) && !particle->IsShortLived())
        {
	  pmanager ->AddDiscreteProcess(stepMaxProcess);
        }
  }
}

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void PhysicsList::AddPhysicsList(const G4String& name)
{
  if (verboseLevel>-1) {
    G4cout << "PhysicsList::AddPhysicsList: <" << name << ">" << G4endl;
  }

  if (name == emName) return;

  if (name == "local") {

    emName = name;
    delete emPhysicsList;
    emPhysicsList = new PhysListEmStandard(name);

  } else if (name == "emstandard_opt0") {

    emName = name;
    delete emPhysicsList;
    emPhysicsList = new G4EmStandardPhysics();

  } else if (name == "emstandard_opt1") {

    emName = name;
    delete emPhysicsList;
    emPhysicsList = new G4EmStandardPhysics_option1();

  } else if (name == "emstandard_opt2") {

    emName = name;
    delete emPhysicsList;
    emPhysicsList = new G4EmStandardPhysics_option2();
    
  } else if (name == "emstandard_opt3") {

    emName = name;
    delete emPhysicsList;
    emPhysicsList = new G4EmStandardPhysics_option3();
    
  } else if (name == "standardSS") {

    emName = name;
    delete emPhysicsList;
    emPhysicsList = new PhysListEmStandardSS(name);

  } else if (name == "standardGS") {

    emName = name;
    delete emPhysicsList;
    emPhysicsList = new PhysListEmStandardGS(name);

  } else if (name == "empenelope"){
    emName = name;
    delete emPhysicsList;
    emPhysicsList = new G4EmPenelopePhysics();

  } else if (name == "emlivermore"){
    emName = name;
    delete emPhysicsList;
    emPhysicsList = new G4EmLivermorePhysics();
                        
  } else {

    G4cout << "PhysicsList::AddPhysicsList: <" << name << ">"
           << " is not defined"
           << G4endl;
  }
}

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void PhysicsList::SetCuts()
{
  if (verboseLevel >0){
    G4cout << "PhysicsList::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(cutForPositron, "e+");

  if (verboseLevel>0) DumpCutValuesTable();
}

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void PhysicsList::SetCutForGamma(G4double cut)
{
  cutForGamma = cut;
  SetParticleCuts(cutForGamma, G4Gamma::Gamma());
}

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void PhysicsList::SetCutForElectron(G4double cut)
{
  cutForElectron = cut;
  SetParticleCuts(cutForElectron, G4Electron::Electron());
}

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void PhysicsList::SetCutForPositron(G4double cut)
{
  cutForPositron = cut;
  SetParticleCuts(cutForPositron, G4Positron::Positron());
}

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