source: trunk/examples/novice/N05/src/ExN05PhysicsList.cc @ 1143

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// $Id: ExN05PhysicsList.cc,v 1.14 2007/11/30 18:08:42 mverderi Exp $
// GEANT4 tag $Name:  $
//
// 

#include "ExN05PhysicsList.hh"

#include "globals.hh"
#include "G4ParticleDefinition.hh"
#include "G4ProcessManager.hh"
#include "G4ProcessVector.hh"
#include "G4ParticleTypes.hh"
#include "G4ParticleTable.hh"
#include "G4Material.hh"
#include "G4MaterialTable.hh"
#include "G4ios.hh"
#include <iomanip>   

#include "G4FastSimulationManagerProcess.hh"


ExN05PhysicsList::ExN05PhysicsList():  G4VUserPhysicsList()
{
  SetVerboseLevel(1);
}

ExN05PhysicsList::~ExN05PhysicsList()
{
}

void ExN05PhysicsList::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();
  ConstructMesons();
  ConstructBaryons();
  ConstructIons();
}

void ExN05PhysicsList::ConstructBosons()
{
  // pseudo-particles
  G4Geantino::GeantinoDefinition();
  G4ChargedGeantino::ChargedGeantinoDefinition();

  // gamma
  G4Gamma::GammaDefinition();

  // optical photon
  G4OpticalPhoton::OpticalPhotonDefinition();
}

#include "G4LeptonConstructor.hh"
void ExN05PhysicsList::ConstructLeptons()
{
  // Construct all leptons
  G4LeptonConstructor pConstructor;
  pConstructor.ConstructParticle();
}

#include "G4MesonConstructor.hh"
void ExN05PhysicsList::ConstructMesons()
{
  //  Construct all mesons
  G4MesonConstructor pConstructor;
  pConstructor.ConstructParticle();
}

#include "G4BaryonConstructor.hh"
void ExN05PhysicsList::ConstructBaryons()
{
  //  Construct all barions
  G4BaryonConstructor  pConstructor;
  pConstructor.ConstructParticle();  
}

#include "G4IonConstructor.hh"
void ExN05PhysicsList::ConstructIons()
{
  //  Construct light ions
  G4IonConstructor pConstructor;
  pConstructor.ConstructParticle();  
}

void ExN05PhysicsList::ConstructProcess()
{
  AddTransportation();
  AddParameterisation();

  ConstructEM();
  ConstructGeneral();
}

void ExN05PhysicsList::AddTransportation()
{
  G4VUserPhysicsList::AddTransportation();
}

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

#include "G4MultipleScattering.hh"

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

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

#include "G4hIonisation.hh"
void ExN05PhysicsList::ConstructEM()
{
  theParticleIterator->reset();
  while( (*theParticleIterator)() ){
    G4ParticleDefinition* particle = theParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    G4String particleName = particle->GetParticleName();
     
    if (particleName == "gamma") {
    // gamma
      // Construct processes for gamma
      pmanager->AddDiscreteProcess(new G4GammaConversion());
      pmanager->AddDiscreteProcess(new G4ComptonScattering());      
      pmanager->AddDiscreteProcess(new G4PhotoElectricEffect());

    } else if (particleName == "e-") {
    //electron
      // Construct processes for electron
      G4VProcess* theeminusMultipleScattering = new G4MultipleScattering();
      G4VProcess* theeminusIonisation = new G4eIonisation();
      G4VProcess* theeminusBremsstrahlung = new G4eBremsstrahlung();
      // add processes
      pmanager->AddProcess(theeminusMultipleScattering);
      pmanager->AddProcess(theeminusIonisation);
      pmanager->AddProcess(theeminusBremsstrahlung);      
      // set ordering for AlongStepDoIt
      pmanager->SetProcessOrdering(theeminusMultipleScattering, idxAlongStep,  1);
      pmanager->SetProcessOrdering(theeminusIonisation, idxAlongStep,  2);
      // set ordering for PostStepDoIt
      pmanager->SetProcessOrdering(theeminusMultipleScattering, idxPostStep, 1);
      pmanager->SetProcessOrdering(theeminusIonisation, idxPostStep, 2);
      pmanager->SetProcessOrdering(theeminusBremsstrahlung, idxPostStep, 3);

    } else if (particleName == "e+") {
    //positron
      // Construct processes for positron
      G4VProcess* theeplusMultipleScattering = new G4MultipleScattering();
      G4VProcess* theeplusIonisation = new G4eIonisation();
      G4VProcess* theeplusBremsstrahlung = new G4eBremsstrahlung();
      G4VProcess* theeplusAnnihilation = new G4eplusAnnihilation();
      // add processes
      pmanager->AddProcess(theeplusMultipleScattering);
      pmanager->AddProcess(theeplusIonisation);
      pmanager->AddProcess(theeplusBremsstrahlung);
      pmanager->AddProcess(theeplusAnnihilation);
      // set ordering for AtRestDoIt
      pmanager->SetProcessOrderingToFirst(theeplusAnnihilation, idxAtRest);
      // set ordering for AlongStepDoIt
      pmanager->SetProcessOrdering(theeplusMultipleScattering, idxAlongStep,  1);
      pmanager->SetProcessOrdering(theeplusIonisation, idxAlongStep,  2);
      // set ordering for PostStepDoIt
      pmanager->SetProcessOrdering(theeplusMultipleScattering, idxPostStep, 1);
      pmanager->SetProcessOrdering(theeplusIonisation, idxPostStep, 2);
      pmanager->SetProcessOrdering(theeplusBremsstrahlung, idxPostStep, 3);
      pmanager->SetProcessOrdering(theeplusAnnihilation, idxPostStep, 4);
  
    } else if( particleName == "mu+" || 
               particleName == "mu-"    ) {
    //muon  
     // Construct processes for muon+
     G4VProcess* aMultipleScattering = new G4MultipleScattering();
     G4VProcess* aBremsstrahlung = new G4MuBremsstrahlung();
     G4VProcess* aPairProduction = new G4MuPairProduction();
     G4VProcess* anIonisation = new G4MuIonisation();
      // add processes
     pmanager->AddProcess(anIonisation);
     pmanager->AddProcess(aMultipleScattering);
     pmanager->AddProcess(aBremsstrahlung);
     pmanager->AddProcess(aPairProduction);
     // set ordering for AlongStepDoIt
     pmanager->SetProcessOrdering(aMultipleScattering, idxAlongStep,  1);
     pmanager->SetProcessOrdering(anIonisation, idxAlongStep,  2);
     // set ordering for PostStepDoIt
     pmanager->SetProcessOrdering(aMultipleScattering, idxPostStep, 1);
     pmanager->SetProcessOrdering(anIonisation, idxPostStep, 2);
     pmanager->SetProcessOrdering(aBremsstrahlung, idxPostStep, 3);
     pmanager->SetProcessOrdering(aPairProduction, idxPostStep, 4);
     
   } else if ((!particle->IsShortLived()) &&
              (particle->GetPDGCharge() != 0.0) && 
              (particle->GetParticleName() != "chargedgeantino")) {
     // all others charged particles except geantino
     G4VProcess* aMultipleScattering = new G4MultipleScattering();
     G4VProcess* anIonisation = new G4hIonisation();
     // add processes
     pmanager->AddProcess(anIonisation);
     pmanager->AddProcess(aMultipleScattering);
     // set ordering for AlongStepDoIt
     pmanager->SetProcessOrdering(aMultipleScattering, idxAlongStep,  1);
     pmanager->SetProcessOrdering(anIonisation, idxAlongStep,  2);
     // set ordering for PostStepDoIt
     pmanager->SetProcessOrdering(aMultipleScattering, idxPostStep, 1);
     pmanager->SetProcessOrdering(anIonisation, idxPostStep, 2);
    }
  }
}


#include "G4Decay.hh"
void ExN05PhysicsList::ConstructGeneral()
{
  // Add Decay Process
  G4Decay* theDecayProcess = new G4Decay();
  theParticleIterator->reset();
  while( (*theParticleIterator)() ){
    G4ParticleDefinition* particle = theParticleIterator->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);
    }
  }  
}

void ExN05PhysicsList::AddParameterisation()
{
  // -- Fast simulation manager process for "mass geometry":
  G4FastSimulationManagerProcess* fastSimProcess_massGeom     = new G4FastSimulationManagerProcess("G4FSMP_massGeom");
  // -- Fast simulation manager process for "parallel geometry":
  G4FastSimulationManagerProcess* fastSimProcess_parallelGeom = new G4FastSimulationManagerProcess("G4FSMP_parallelGeom", "pionGhostWorld");
  theParticleIterator->reset();
  while( (*theParticleIterator)() )
    {
      G4ParticleDefinition* particle = theParticleIterator->value();
      G4ProcessManager* pmanager = particle->GetProcessManager();
      // -- For the mass geometry, G4FSMP is a PostStep process, ordering does not matter:
      if (particle->GetParticleName() == "e+"  || 
          particle->GetParticleName() == "e-"  ||
          particle->GetParticleName() == "gamma")  pmanager->AddDiscreteProcess(fastSimProcess_massGeom);
      // -- For the parallel geometry, G4FSMP is an Along+PostStep process, and ordering matters:
      if (particle->GetParticleName() == "pi+" || 
          particle->GetParticleName() == "pi-") 
        {
          pmanager->AddProcess(fastSimProcess_parallelGeom);
          pmanager->SetProcessOrdering(fastSimProcess_parallelGeom, idxAlongStep, 1);
          pmanager->SetProcessOrdering(fastSimProcess_parallelGeom, idxPostStep);
        }
    }
}

void ExN05PhysicsList::SetCuts()
{
  if (verboseLevel >1){
    G4cout << "ExN05PhysicsList::SetCuts:";
  }  
  //  " G4VUserPhysicsList::SetCutsWithDefault" method sets 
  //   the default cut value for all particle types 
  SetCutsWithDefault();   
}