UltraPhysicsList.cc

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//
//
// --------------------------------------------------------------
//                 GEANT 4 - ULTRA experiment example
// --------------------------------------------------------------
//
// Code developed by:
// B. Tome, M.C. Espirito-Santo, A. Trindade, P. Rodrigues 
//
//    ****************************************************
//    *      UltraPhysicsList.cc
//    ****************************************************
//
//    Ultra Physics List class; Standard and Low Energy EM processes are defined for
//    the relevant particles. Optical processes are declared.
//
#include "G4ios.hh"
//#include "iomanip.h"
#include "globals.hh"

#include "UltraPhysicsList.hh"

#include "G4ParticleDefinition.hh"
#include "G4ParticleTypes.hh"
#include "G4ParticleWithCuts.hh"
#include "G4ParticleTable.hh"
#include "G4Material.hh"
#include "G4MaterialTable.hh"
#include "G4ProcessManager.hh"
#include "G4ProcessVector.hh"

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UltraPhysicsList::UltraPhysicsList() :  G4VUserPhysicsList() {;}

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UltraPhysicsList::~UltraPhysicsList() {;}

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void UltraPhysicsList::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();

}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

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

  // gamma
  G4Gamma::GammaDefinition();

  // optical photon
  G4OpticalPhoton::OpticalPhotonDefinition();

}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

void UltraPhysicsList::ConstructLeptons()
{
  // leptons
  G4Electron::ElectronDefinition();
  G4Positron::PositronDefinition();
  G4NeutrinoE::NeutrinoEDefinition();
  G4AntiNeutrinoE::AntiNeutrinoEDefinition();
  G4MuonPlus::MuonPlusDefinition();
  G4MuonMinus::MuonMinusDefinition();
  G4NeutrinoMu::NeutrinoMuDefinition();
  G4AntiNeutrinoMu::AntiNeutrinoMuDefinition();
}

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void UltraPhysicsList::ConstructMesons()
{
 //  mesons
  G4PionPlus::PionPlusDefinition();
  G4PionMinus::PionMinusDefinition();
  G4PionZero::PionZeroDefinition();
}

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void UltraPhysicsList::ConstructBaryons()
{
//  barions
  G4Proton::ProtonDefinition();
  G4AntiProton::AntiProtonDefinition();
  G4Neutron::NeutronDefinition();
  G4AntiNeutron::AntiNeutronDefinition();
}

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void UltraPhysicsList::ConstructProcess()
{
  AddTransportation();
  ConstructGeneral();
  ConstructEM();
  ConstructOp();

}

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#include "G4Decay.hh"

void UltraPhysicsList::ConstructGeneral()
{
  G4Decay* theDecayProcess = new G4Decay();
  theParticleIterator->reset();
  while( (*theParticleIterator)() ){
    G4ParticleDefinition* particle = theParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    if (theDecayProcess->IsApplicable(*particle)) {
      pmanager->AddDiscreteProcess(theDecayProcess);
    }
  }
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

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

#include "G4eMultipleScattering.hh"
#include "G4MuMultipleScattering.hh"
#include "G4hMultipleScattering.hh"

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

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

#include "G4hIonisation.hh"

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

void UltraPhysicsList::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
      pmanager->AddProcess(new G4eMultipleScattering(),-1,1,1);
      pmanager->AddProcess(new G4eIonisation(),-1,2,2);
      pmanager->AddProcess(new G4eBremsstrahlung(),-1,-1,3);

    } else if (particleName == "e+") {
    //positron
      // Construct processes for positron
      pmanager->AddProcess(new G4eMultipleScattering(),-1,1,1);
      pmanager->AddProcess(new G4eIonisation(),-1,2,2);
      pmanager->AddProcess(new G4eBremsstrahlung(),-1,-1,3);
      pmanager->AddProcess(new G4eplusAnnihilation(),0,-1,4);

    } else if( particleName == "mu+" ||
               particleName == "mu-"    ) {
    //muon
     // Construct processes for muon
     pmanager->AddProcess(new G4MuMultipleScattering(),-1,1,1);
     pmanager->AddProcess(new G4MuIonisation(),-1,2,2);
     pmanager->AddProcess(new G4MuBremsstrahlung(),-1,-1,3);
     pmanager->AddProcess(new G4MuPairProduction(),-1,-1,4);

    } else {
      if ((particle->GetPDGCharge() != 0.0) &&
          (particle->GetParticleName() != "chargedgeantino")) {
     // all others charged particles except geantino
       pmanager->AddProcess(new G4hMultipleScattering(),-1,1,1);
       pmanager->AddProcess(new G4hIonisation(),-1,2,2);
     }
    }
  }
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

#include "G4Cerenkov.hh"
#include "G4Scintillation.hh"
#include "G4OpAbsorption.hh"
#include "G4OpRayleigh.hh"
#include "G4OpBoundaryProcess.hh"

void UltraPhysicsList::ConstructOp()
{
  // this Cerenkov Process
  G4Cerenkov*   theCerenkovProcess = new G4Cerenkov("Cerenkov");
  // this absorption process inside optical media
  G4OpAbsorption* theAbsorptionProcess = new G4OpAbsorption();
  // Rayleigh scattering for optical photons (aerogel radiators)
  G4OpRayleigh*   theRayleighScatteringProcess = new G4OpRayleigh();
  // Boundary process definition Class
  G4OpBoundaryProcess* theBoundaryProcess = new G4OpBoundaryProcess();

  // Chose level 0 (no verbose)
  theCerenkovProcess           -> SetVerboseLevel(0);
  theAbsorptionProcess         -> SetVerboseLevel(0);
  theRayleighScatteringProcess -> SetVerboseLevel(0);
  theBoundaryProcess           -> SetVerboseLevel(0);

 
// Chose MaxNumPhotons that can be generated. Lets ignore this for now
//   G4int MaxNumPhotons = 300;
//   theCerenkovProcess->SetMaxNumPhotonsPerStep(MaxNumPhotons);
  theCerenkovProcess->SetTrackSecondariesFirst(true);

  theParticleIterator->reset();
  while( (*theParticleIterator)() ){
    G4ParticleDefinition* particle = theParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    G4String particleName = particle->GetParticleName();

    if (theCerenkovProcess->IsApplicable(*particle)) {
      pmanager->AddProcess(theCerenkovProcess);
      pmanager->SetProcessOrdering(theCerenkovProcess,idxPostStep);
    }


    if (particleName == "opticalphoton") {
      G4cout << ">>>>>>>>>>>>>> AddDiscreteProcess to OpticalPhoton " << G4endl;
      pmanager->AddDiscreteProcess(theAbsorptionProcess);
      pmanager->AddDiscreteProcess(theRayleighScatteringProcess);
      pmanager->AddDiscreteProcess(theBoundaryProcess);
    }
  }
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

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

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