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//
/// \file electromagnetic/TestEm5/src/PhysicsList.cc
/// \brief Implementation of the PhysicsList class
//
//
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#include "PhysicsList.hh"
#include "PhysicsListMessenger.hh"

#include "PhysListEmStandard.hh"

#include "G4EmStandardPhysics.hh"
#include "G4EmStandardPhysics_option1.hh"
#include "G4EmStandardPhysics_option2.hh"
#include "G4EmStandardPhysics_option3.hh"
#include "G4EmStandardPhysics_option4.hh"
#include "G4EmStandardPhysicsWVI.hh"
#include "G4EmStandardPhysicsGS.hh"
#include "G4EmStandardPhysicsSS.hh"

#include "G4EmLivermorePhysics.hh"
#include "G4EmPenelopePhysics.hh"
#include "G4EmLowEPPhysics.hh"

#include "G4EmDNAPhysics.hh"
#include "G4EmDNAPhysics_option2.hh"
#include "G4EmDNAPhysics_option4.hh"
#include "G4EmDNAPhysics_option6.hh"

#include "G4HadronElasticPhysics.hh"

#include "G4DecayPhysics.hh"
#include "StepMax.hh"

#include "G4UnitsTable.hh"
#include "G4SystemOfUnits.hh"

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

// particles

#include "G4BosonConstructor.hh"
#include "G4LeptonConstructor.hh"
#include "G4MesonConstructor.hh"
#include "G4BosonConstructor.hh"
#include "G4BaryonConstructor.hh"
#include "G4IonConstructor.hh"
#include "G4ShortLivedConstructor.hh"
#include "G4DNAGenericIonsManager.hh"

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PhysicsList::PhysicsList() : G4VModularPhysicsList(),
  fHadPhysicsList(nullptr)
{  
  fMessenger = new PhysicsListMessenger(this); 
  SetVerboseLevel(1);
     
  // EM physics
  fEmName = G4String("emstandard_opt4");
  fEmPhysicsList = new G4EmStandardPhysics_option4();

  // Decay physics  
  fDecayPhysics = new G4DecayPhysics(1);
  
  SetDefaultCutValue(1*mm);  
}

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

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void PhysicsList::ConstructParticle()
{
  G4BosonConstructor  pBosonConstructor;
  pBosonConstructor.ConstructParticle();

  G4LeptonConstructor pLeptonConstructor;
  pLeptonConstructor.ConstructParticle();

  G4MesonConstructor pMesonConstructor;
  pMesonConstructor.ConstructParticle();

  G4BaryonConstructor pBaryonConstructor;
  pBaryonConstructor.ConstructParticle();

  G4IonConstructor pIonConstructor;
  pIonConstructor.ConstructParticle();

  G4ShortLivedConstructor sLivedConstructor;
  sLivedConstructor.ConstructParticle();

  // Geant4-DNA

  G4DNAGenericIonsManager* genericIonsManager;
  genericIonsManager=G4DNAGenericIonsManager::Instance();
  genericIonsManager->GetIon("alpha++");
  genericIonsManager->GetIon("alpha+");
  genericIonsManager->GetIon("helium");
  genericIonsManager->GetIon("hydrogen");  
}

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void PhysicsList::ConstructProcess()
{
  AddTransportation();
  fEmPhysicsList->ConstructProcess();
  fDecayPhysics->ConstructProcess();
  if(fHadPhysicsList) { fHadPhysicsList->ConstructProcess(); }
  AddStepMax();
}

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

  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 == "emstandard_opt4") {

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics_option4();
        
  } else if (name == "emstandardSS") {

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysicsSS();

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

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysicsWVI();

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

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysicsGS();

  } else if (name == "empenelope") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmPenelopePhysics();

  } else if (name == "emlowenergy") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmLowEPPhysics();

  } else if (name == "emlivermore") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmLivermorePhysics();
                        
  } else if (name == "dna") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmDNAPhysics();
                        
  } else if (name == "dna_opt2") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmDNAPhysics_option2();
                        
  } else if (name == "dna_opt4") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmDNAPhysics_option4();
                        
  } else if (name == "dna_opt6") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmDNAPhysics_option6();

  } else if (name == "had_elastic" && !fHadPhysicsList) {
    fHadPhysicsList = new G4HadronElasticPhysics();
                        
  } else {

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

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