geant4/examples/extended/electromagnetic/TestEm18/src/PhysicsList.cc

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// $Id: PhysicsList.cc,v 1.2 2007/11/20 14:15:18 maire Exp $
// GEANT4 tag $Name: geant4-09-01 $
//
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#include "PhysicsList.hh"
#include "PhysicsListMessenger.hh"

#include "PhysListEmStandard.hh"
#include "PhysListEmLivermore.hh"
#include "PhysListEmPenelope.hh"

#include "G4LossTableManager.hh"
#include "G4UnitsTable.hh"

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PhysicsList::PhysicsList() : G4VModularPhysicsList()
{
  G4LossTableManager::Instance();
  pMessenger = new PhysicsListMessenger(this); 
   
  // EM physics
  emName = G4String("standard");
  emPhysicsList = new PhysListEmStandard(emName);
    
  defaultCutValue = 1.*mm;
  cutForGamma     = defaultCutValue;
  cutForElectron  = defaultCutValue;
  
  SetVerboseLevel(1);
}

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

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

  if (name == emName) return;

  if (name == "standard") {

    emName = name;
    delete emPhysicsList;
    emPhysicsList = new PhysListEmStandard(name);
        
  } else if (name == "livermore") {

    emName = name;
    delete emPhysicsList;
    emPhysicsList = new PhysListEmLivermore(name);
    
  } else if (name == "penelope") {

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

  } else {

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

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

// leptons
#include "G4Electron.hh"
#include "G4Positron.hh"

#include "G4MuonPlus.hh"
#include "G4MuonMinus.hh"

// Mesons
#include "G4PionPlus.hh"
#include "G4PionMinus.hh"

#include "G4KaonPlus.hh"
#include "G4KaonMinus.hh"

// Baryons
#include "G4Proton.hh"
#include "G4AntiProton.hh"
#include "G4Neutron.hh"
#include "G4AntiNeutron.hh"

// Nuclei
#include "G4Deuteron.hh"
#include "G4Triton.hh"
#include "G4Alpha.hh"
#include "G4GenericIon.hh"

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

// leptons
  G4Electron::ElectronDefinition();
  G4Positron::PositronDefinition();
  G4MuonPlus::MuonPlusDefinition();
  G4MuonMinus::MuonMinusDefinition();
  
// mesons
  G4PionPlus::PionPlusDefinition();
  G4PionMinus::PionMinusDefinition();
  G4KaonPlus::KaonPlusDefinition();
  G4KaonMinus::KaonMinusDefinition();
  
// baryons
  G4Proton::ProtonDefinition();
  G4AntiProton::AntiProtonDefinition();
  G4Neutron::NeutronDefinition();
  G4AntiNeutron::AntiNeutronDefinition();
  
// ions
  G4Deuteron::DeuteronDefinition();
  G4Triton::TritonDefinition();
  G4Alpha::AlphaDefinition();
  G4GenericIon::GenericIonDefinition();
}

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#include "G4EmProcessOptions.hh"

void PhysicsList::ConstructProcess()
{
  AddTransportation();
  emPhysicsList->ConstructProcess();
  AddStepMax();
  
  // Em options
  //
  G4EmProcessOptions emOptions;
  
  //physics tables
  //
  emOptions.SetMinEnergy(100*eV);    
  emOptions.SetMaxEnergy(100*TeV);  
  emOptions.SetDEDXBinning(1200);  
  emOptions.SetLambdaBinning(1200);
  
  //energy loss
  //  
  emOptions.SetStepFunction(0.2, 10*um);
  emOptions.SetLinearLossLimit(1.e-6);
          
  //build CSDA range
  //
  emOptions.SetBuildCSDARange(true);
  emOptions.SetMaxEnergyForCSDARange(100*TeV);  
  emOptions.SetDEDXBinningForCSDARange(1200);
}

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#include "G4ProcessManager.hh"
#include "StepMax.hh"

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::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(cutForElectron, "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());
  SetParticleCuts(cutForElectron, G4Positron::Positron());
}

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