larg4::OpticalPhysics Class Reference

#include "OpticalPhysics.hh"

Inheritance diagram for larg4::OpticalPhysics:

Public Member Functions
	OpticalPhysics (G4int ver=0, const G4String &name="G4Optical")
virtual	~OpticalPhysics ()
virtual void	ConstructParticle ()
virtual void	ConstructProcess ()

Private Attributes
G4int	verbose
G4Cerenkov *	fTheCerenkovProcess
G4Scintillation *	fTheScintillationProcess
G4OpAbsorption *	fTheAbsorptionProcess
G4OpRayleigh *	fTheRayleighScatteringProcess
OpBoundaryProcessSimple *	fTheBoundaryProcess
G4OpBoundaryProcess *	fTheBoundaryProcess_g4
G4OpWLS *	fTheWLSProcess

Detailed Description

Definition at line 81 of file OpticalPhysics.hh.

Constructor & Destructor Documentation

larg4::OpticalPhysics::OpticalPhysics	(	G4int	ver = 0,
		const G4String &	name = "G4Optical"
	)

Definition at line 116 of file OpticalPhysics.cxx.

    : G4VPhysicsConstructor(name), verbose(ver)
  {
    G4LossTableManager::Instance();
    mf::LogInfo("OpticalPhysics") << "OBJECT BEING CONSTRUCTED IN OPTICAL PHYSICS";
  }

larg4::OpticalPhysics::~OpticalPhysics ( )

virtual

Definition at line 125 of file OpticalPhysics.cxx.

  {}

Member Function Documentation

void larg4::OpticalPhysics::ConstructParticle ( )

virtual

Definition at line 129 of file OpticalPhysics.cxx.

References LOG_DEBUG.

  {
    LOG_DEBUG("OpticalPhysics") << "PARTICLES BEING CONSTRUCTED IN OPTICAL PHYSICS";
    // optical photon
    G4OpticalPhoton::OpticalPhotonDefinition();
    
    // gamma
    G4Gamma::Gamma();
    
    // leptons
    G4Electron::Electron();
    G4Positron::Positron();
    G4MuonPlus::MuonPlus();
    G4MuonMinus::MuonMinus();
    
    // mesons
    G4PionPlus::PionPlusDefinition();
    G4PionMinus::PionMinusDefinition();
    G4KaonPlus::KaonPlusDefinition();
    G4KaonMinus::KaonMinusDefinition();
    
    // barions
    G4Proton::Proton();
    G4AntiProton::AntiProton();
    
    // ions
    G4Deuteron::Deuteron();
    G4Triton::Triton();
    G4He3::He3();
    G4Alpha::Alpha();
    G4GenericIon::GenericIonDefinition();
  }

void larg4::OpticalPhysics::ConstructProcess ( )

virtual

Definition at line 163 of file OpticalPhysics.cxx.

References detinfo::LArProperties::CerenkovLightEnabled(), fTheAbsorptionProcess, fTheBoundaryProcess, fTheBoundaryProcess_g4, fTheCerenkovProcess, fTheRayleighScatteringProcess, fTheScintillationProcess, fTheWLSProcess, and LOG_DEBUG.

  {

    const detinfo::LArProperties* larp = lar::providerFrom<detinfo::LArPropertiesService>();
    const detinfo::DetectorProperties* detp = lar::providerFrom<detinfo::DetectorPropertiesService>();

    // Add standard EM Processes
    LOG_DEBUG("OpticalPhysics") << "PROCESSES BEING CONSTRUCTED IN OPTICAL PHYSICS";
    
    fTheCerenkovProcess            = new G4Cerenkov("Cerenkov");
    fTheScintillationProcess       = new G4Scintillation("Scintillation");
    fTheAbsorptionProcess          = new G4OpAbsorption();
    fTheRayleighScatteringProcess  = new G4OpRayleigh();
    if(detp->SimpleBoundary())
      fTheBoundaryProcess          = new OpBoundaryProcessSimple();
    else
      fTheBoundaryProcess_g4       = new G4OpBoundaryProcess();
    fTheWLSProcess                 = new G4OpWLS();
    
    
    
    fTheCerenkovProcess->SetMaxNumPhotonsPerStep(700);
    fTheCerenkovProcess->SetMaxBetaChangePerStep(10.0);
    fTheCerenkovProcess->SetTrackSecondariesFirst(false);
    
    fTheScintillationProcess->SetScintillationYieldFactor(1.);
    fTheScintillationProcess->SetTrackSecondariesFirst(false);
    
    // Use Birks Correction in the Scintillation process
    
    G4EmSaturation* emSaturation = G4LossTableManager::Instance()->EmSaturation();
    fTheScintillationProcess->AddSaturation(emSaturation);
    
    
    bool CerenkovLightEnabled = larp->CerenkovLightEnabled();
    
    mf::LogInfo("OpticalPhysics")<<"Cerenkov light enabled : " << CerenkovLightEnabled;
    static G4ParticleTable* fParticleTable = G4ParticleTable::GetParticleTable();
    G4ParticleTable::G4PTblDicIterator*  aParticleIterator;
    aParticleIterator=fParticleTable->GetIterator();

    aParticleIterator->reset();
    while( (*aParticleIterator)() ){
      G4ParticleDefinition* particle = aParticleIterator->value();
      G4ProcessManager* pmanager = particle->GetProcessManager();
      G4String particleName = particle->GetParticleName();
      if (fTheCerenkovProcess->IsApplicable(*particle)&&CerenkovLightEnabled) {
        pmanager->AddProcess(fTheCerenkovProcess);
        pmanager->SetProcessOrdering(fTheCerenkovProcess,idxPostStep);
        //      mf::LogInfo("OpticalPhysics")<<"OpticalPhysics : Cerenkov applicable : " << particleName;
      }
      if (fTheScintillationProcess->IsApplicable(*particle)) {
        pmanager->AddProcess(fTheScintillationProcess);
        pmanager->SetProcessOrderingToLast(fTheScintillationProcess, idxAtRest);
        pmanager->SetProcessOrderingToLast(fTheScintillationProcess, idxPostStep);
        //      mf::LogInfo("OpticalPhysics")<<"OpticalPhysics : Scintillation applicable : " << particleName;
      }
  
     if (particleName == "opticalphoton") {
       mf::LogInfo("OpticalPhysics") << " AddDiscreteProcess to OpticalPhoton ";
        pmanager->AddDiscreteProcess(fTheAbsorptionProcess);
        pmanager->AddDiscreteProcess(fTheRayleighScatteringProcess);
        if(detp->SimpleBoundary())
          pmanager->AddDiscreteProcess(fTheBoundaryProcess);
        else
          pmanager->AddDiscreteProcess(fTheBoundaryProcess_g4);
        pmanager->AddDiscreteProcess(fTheWLSProcess);
      }
    }
    
  }

Member Data Documentation

G4OpAbsorption* larg4::OpticalPhysics::fTheAbsorptionProcess

private

Definition at line 94 of file OpticalPhysics.hh.

Referenced by ConstructProcess().

OpBoundaryProcessSimple* larg4::OpticalPhysics::fTheBoundaryProcess

private

Definition at line 96 of file OpticalPhysics.hh.

Referenced by ConstructProcess().

G4OpBoundaryProcess* larg4::OpticalPhysics::fTheBoundaryProcess_g4

private

Definition at line 97 of file OpticalPhysics.hh.

Referenced by ConstructProcess().

G4Cerenkov* larg4::OpticalPhysics::fTheCerenkovProcess

private

Definition at line 92 of file OpticalPhysics.hh.

Referenced by ConstructProcess().

G4OpRayleigh* larg4::OpticalPhysics::fTheRayleighScatteringProcess

private

Definition at line 95 of file OpticalPhysics.hh.

Referenced by ConstructProcess().

G4Scintillation* larg4::OpticalPhysics::fTheScintillationProcess

private

Definition at line 93 of file OpticalPhysics.hh.

Referenced by ConstructProcess().

G4OpWLS* larg4::OpticalPhysics::fTheWLSProcess

private

Definition at line 98 of file OpticalPhysics.hh.

Referenced by ConstructProcess().

G4int larg4::OpticalPhysics::verbose

private

Definition at line 91 of file OpticalPhysics.hh.

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The documentation for this class was generated from the following files:

• /cvmfs/larsoft.opensciencegrid.org/products/larsim/v07_09_00/source/larsim/LArG4/OpticalPhysics.hh
• /cvmfs/larsoft.opensciencegrid.org/products/larsim/v07_09_00/source/larsim/LArG4/OpticalPhysics.cxx