examples/extended/electromagnetic/TestEm8/src/PhysicsList.cc

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// $Id: PhysicsList.cc 106960 2017-10-31 08:35:19Z gcosmo $
//
//---------------------------------------------------------------------------
//
// ClassName:   PhysicsList
//
// Description: EM physics with a possibility to add PAI model
//
// Author:      V.Ivanchenko 01.09.2010
//
//----------------------------------------------------------------------------
//

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#include "PhysicsList.hh"
#include "PhysicsListMessenger.hh"

#include "G4EmStandardPhysics.hh"
#include "G4EmStandardPhysics_option1.hh"
#include "G4EmStandardPhysics_option2.hh"
#include "G4EmStandardPhysics_option3.hh"
#include "G4EmStandardPhysics_option4.hh"
#include "G4EmStandardPhysicsGS.hh"
#include "G4EmStandardPhysicsSS.hh"
#include "G4EmStandardPhysicsWVI.hh"
#include "G4EmLivermorePhysics.hh"
#include "G4EmPenelopePhysics.hh"
#include "G4EmLowEPPhysics.hh"
#include "G4DecayPhysics.hh"

#include "G4PAIModel.hh"
#include "G4PAIPhotModel.hh"

#include "G4Gamma.hh"
#include "G4Electron.hh"
#include "G4Positron.hh"
#include "G4Proton.hh"

#include "G4UnitsTable.hh"
#include "G4SystemOfUnits.hh"
#include "G4LossTableManager.hh"
#include "G4ProductionCutsTable.hh"
#include "G4EmConfigurator.hh"
#include "G4EmParameters.hh"

#include "StepMax.hh"

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

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PhysicsList::PhysicsList(DetectorConstruction* ptr) 
  : G4VModularPhysicsList(), fDetectorConstruction(ptr)
{
  // set verbosity for zero to avoid double printout 
  // on physics verbosity should be restored to 1 when cuts
  // are set
  G4EmParameters::Instance()->SetVerbose(0);

  SetDefaultCutValue(1*mm);
 
  fMessenger = new PhysicsListMessenger(this);

  // Decay Physics is always defined
  fDecayPhysicsList = new G4DecayPhysics();

  // EM physics
  fEmName = G4String("emstandard_opt0");
  fEmPhysicsList = new G4EmStandardPhysics(0);

  SetVerboseLevel(1);
}

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

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void PhysicsList::ConstructParticle()
{
  fDecayPhysicsList->ConstructParticle();
}

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void PhysicsList::ConstructProcess()
{
  AddTransportation();
  fEmPhysicsList->ConstructProcess();
  fDecayPhysicsList->ConstructProcess();
  AddStepMax();
}

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

  if (name == fEmName) {
    return;

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

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics(0);

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

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics_option1(0);

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

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics_option2(0);

  } else if (name == "emstandard_opt3") {

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics_option3(0);

  } else if (name == "emstandard_opt4") {

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics_option4(0);

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

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysicsWVI(0);

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

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysicsSS(0);

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

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysicsGS(0);

  } else if (name == "pai") {
    G4EmParameters::Instance()->AddPAIModel("all","world","pai");

  } else if (name == "pai_photon") {
    G4EmParameters::Instance()->AddPAIModel("all","world","pai_photon");

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

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmLivermorePhysics(0);

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

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmPenelopePhysics(0);

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

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmLowEPPhysics(0);

  } else {

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

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

  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::SetCuts()
{
  G4ProductionCutsTable::GetProductionCutsTable()->SetEnergyRange(25.*eV,1e5);
  if ( verboseLevel > 0 ) { DumpCutValuesTable(); }
}

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