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/// \file medical/electronScattering/src/PhysicsList.cc
/// \brief Implementation of the PhysicsList class
//
// $Id$
//
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#include "PhysicsList.hh"
#include "PhysicsListMessenger.hh"

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

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

#include "G4SystemOfUnits.hh"

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PhysicsList::PhysicsList() : G4VModularPhysicsList(),
 fMessenger(0), fEmName("local"), fEmPhysicsList(0)
{
  fMessenger = new PhysicsListMessenger(this); 
   
  // EM physics
  fEmName = G4String("local");
  fEmPhysicsList = new PhysListEmStandard(fEmName);
    
  SetDefaultCutValue(1.*mm);
  SetVerboseLevel(1);
}

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PhysicsList::~PhysicsList()
{
  delete fEmPhysicsList;
  delete fMessenger;  
}

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void PhysicsList::ConstructParticle()
{
// pseudo-particles
  G4Geantino::GeantinoDefinition();
  G4ChargedGeantino::ChargedGeantinoDefinition();
  
// gamma
  G4Gamma::GammaDefinition();
  
// optical photon
  G4OpticalPhoton::OpticalPhotonDefinition();

// 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();
  fEmPhysicsList->ConstructProcess();
  AddDecay();  
  AddStepMax();
}

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#include "G4Decay.hh"

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

  G4Decay* fDecayProcess = new G4Decay();

  auto particleIterator=GetParticleIterator();
  particleIterator->reset();
  while( (*particleIterator)() ){
    G4ParticleDefinition* particle = particleIterator->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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#include "StepMax.hh"

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

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

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

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

  if (name == fEmName) return;

  if (name == "local") {

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new PhysListEmStandard(name);

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

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics();

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

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics_option1();

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

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics_option2();
    
  } else if (name == "emstandard_opt3") {

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics_option3();
    
  } else if (name == "standardSS") {

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new PhysListEmStandardSS(name);
        
  } else if (name == "standardGS") {
  
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new PhysListEmStandardGS(name);

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

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new PhysListEmStandardWVI(name);
                
  } else {

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

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