geant4/examples/extended/electromagnetic/TestEm16/src/PhysicsList.cc

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/// \file electromagnetic/TestEm16/src/PhysicsList.cc
/// \brief Implementation of the PhysicsList class
//
//
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#include "PhysicsList.hh"
#include "PhysicsListMessenger.hh"

#include "G4ParticleDefinition.hh"
#include "G4ProcessManager.hh"
#include "G4ParticleTypes.hh"
#include "G4ParticleTable.hh"

#include "G4ComptonScattering.hh"
#include "G4GammaConversion.hh"
#include "G4PhotoElectricEffect.hh"
#include "G4RayleighScattering.hh"

#include "G4eMultipleScattering.hh"
#include "G4eIonisation.hh"
#include "G4eBremsstrahlung.hh"
#include "G4eplusAnnihilation.hh"

#include "G4MuMultipleScattering.hh"
#include "G4MuIonisation.hh"
#include "G4MuBremsstrahlung.hh"
#include "G4MuPairProduction.hh"

#include "G4hMultipleScattering.hh"
#include "G4hIonisation.hh"
#include "G4hBremsstrahlung.hh"
#include "G4hPairProduction.hh"

#include "G4SynchrotronRadiation.hh"
#include "G4SynchrotronRadiationInMat.hh"

#include "G4StepLimiter.hh"

#include "G4SystemOfUnits.hh"
#include "G4AutoDelete.hh"

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PhysicsList::PhysicsList()
: G4VUserPhysicsList(),
  fMess(0)
{
  SetDefaultCutValue(1.*km);
  
  fSRType = true; 
  fMess = new PhysicsListMessenger(this);
}

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PhysicsList::~PhysicsList()
{ 
  delete fMess;
}

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void PhysicsList::ConstructParticle()
{
  // In this method, static member functions should be called
  // for all particles which you want to use.
  // This ensures that objects of these particle types will be
  // created in the program.

  ConstructBosons();
  ConstructLeptons();

// charged mesons
  G4PionPlus::PionPlusDefinition();
  G4PionMinus::PionMinusDefinition();
  G4KaonPlus::KaonPlusDefinition();
  G4KaonMinus::KaonMinusDefinition();

// charged baryons
  G4Proton::ProtonDefinition();
  G4AntiProton::AntiProtonDefinition();

// ions
  //G4Deuteron::DeuteronDefinition();
  //G4Triton::TritonDefinition();
  //G4Alpha::AlphaDefinition();
  G4GenericIon::GenericIonDefinition();
}

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void PhysicsList::ConstructBosons()
{
  // pseudo-particles
  G4Geantino::GeantinoDefinition();
  G4ChargedGeantino::ChargedGeantinoDefinition();

  // gamma
  G4Gamma::GammaDefinition();
}

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void PhysicsList::ConstructLeptons()
{
  // leptons
  G4Electron::ElectronDefinition();
  G4Positron::PositronDefinition();
  G4MuonPlus::MuonPlusDefinition();
  G4MuonMinus::MuonMinusDefinition();

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

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void PhysicsList::ConstructProcess()
{
  AddTransportation();
  ConstructEM();
  ConstructGeneral();
}

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void PhysicsList::ConstructEM()
{
  auto particleIterator=GetParticleIterator();
  particleIterator->reset();
  G4SynchrotronRadiation* fSync = new G4SynchrotronRadiation();
    G4AutoDelete::Register(fSync);
  while( (*particleIterator)() ){
    G4ParticleDefinition* particle = particleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    G4String particleName = particle->GetParticleName();

    if (particleName == "gamma") {
      // gamma
      pmanager->AddDiscreteProcess(new G4PhotoElectricEffect);
      pmanager->AddDiscreteProcess(new G4ComptonScattering);
      pmanager->AddDiscreteProcess(new G4GammaConversion);
      pmanager->AddDiscreteProcess(new G4RayleighScattering);
            
    } else if (particleName == "e-") {
      //electron
      pmanager->AddProcess(new G4eMultipleScattering,       -1, 1, 1);
      pmanager->AddProcess(new G4eIonisation,               -1, 2, 2);
      pmanager->AddProcess(new G4eBremsstrahlung,           -1, 3, 3);
      if (fSRType) {
        pmanager->AddProcess(fSync,    -1,-1, 4);
      } else {
        pmanager->AddProcess(new G4SynchrotronRadiationInMat,-1,-1, 4); 
      }
      pmanager->AddProcess(new G4StepLimiter,               -1,-1, 5);
     
    } else if (particleName == "e+") {
      //positron
      pmanager->AddProcess(new G4eMultipleScattering,       -1, 1, 1);
      pmanager->AddProcess(new G4eIonisation,               -1, 2, 2);
      pmanager->AddProcess(new G4eBremsstrahlung,           -1, 3, 3);
      pmanager->AddProcess(new G4eplusAnnihilation,          0,-1, 4);
      if (fSRType) {
        pmanager->AddProcess(fSync,      -1,-1, 5);
      } else {
        pmanager->AddProcess(new G4SynchrotronRadiationInMat, -1,-1, 5);
      }
      pmanager->AddProcess(new G4StepLimiter,               -1,-1, 6);
      
    } else if( particleName == "mu+" ||
               particleName == "mu-"    ) {
      //muon
      pmanager->AddProcess(new G4MuMultipleScattering, -1, 1, 1);
      pmanager->AddProcess(new G4MuIonisation,         -1, 2, 2);
      pmanager->AddProcess(new G4MuBremsstrahlung,     -1, 3, 3);
      pmanager->AddProcess(new G4MuPairProduction,     -1, 4, 4);
      pmanager->AddProcess(fSync, -1,-1, 5); 
      pmanager->AddProcess(new G4StepLimiter,               -1,-1, 6);

    } else if( particleName == "proton") {
      //proton
      pmanager->AddProcess(new G4hMultipleScattering, -1, 1, 1);
      pmanager->AddProcess(new G4hIonisation,         -1, 2, 2);
      pmanager->AddProcess(new G4hBremsstrahlung,     -1, 3, 3);
      pmanager->AddProcess(new G4hPairProduction,     -1, 4, 4);
      pmanager->AddProcess(fSync, -1,-1, 5); 
      pmanager->AddProcess(new G4StepLimiter,          -1,-1, 6);
    }
    else if (particle->GetPDGCharge() != 0.0 && !particle->IsShortLived()) 
    {
      pmanager->AddProcess(fSync,-1,-1, 1);  
    }
  }
}

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#include "G4Decay.hh"

void PhysicsList::ConstructGeneral()
{
  // Add Decay Process
  G4Decay* theDecayProcess = new G4Decay();
  auto particleIterator=GetParticleIterator();
  particleIterator->reset();
  while ((*particleIterator)()){
      G4ParticleDefinition* particle = particleIterator->value();
      G4ProcessManager* pmanager = particle->GetProcessManager();
      if (theDecayProcess->IsApplicable(*particle)) {
        pmanager ->AddProcess(theDecayProcess);
        // set ordering for PostStepDoIt and AtRestDoIt
        pmanager ->SetProcessOrdering(theDecayProcess, idxPostStep);
        pmanager ->SetProcessOrdering(theDecayProcess, idxAtRest);
      }
  }
}

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