G4EmLowEPPhysics.cc

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// $Id$
 
#include "G4EmLowEPPhysics.hh"
#include "G4ParticleDefinition.hh"
#include "G4SystemOfUnits.hh"
 
// *** Processes and models
 
// gamma
#include "G4PhotoElectricEffect.hh"
#include "G4LivermorePhotoElectricModel.hh"
 
#include "G4ComptonScattering.hh"
#include "G4LowEPComptonModel.hh"
 
#include "G4GammaConversion.hh"
#include "G4LivermoreGammaConversionModel.hh"
 
#include "G4RayleighScattering.hh" 
#include "G4LivermoreRayleighModel.hh"
 
// e+-
#include "G4eMultipleScattering.hh"
#include "G4UniversalFluctuation.hh"
 
#include "G4eIonisation.hh"
#include "G4LivermoreIonisationModel.hh"
 
#include "G4eBremsstrahlung.hh"
#include "G4LivermoreBremsstrahlungModel.hh"
#include "G4Generator2BS.hh"
 
// e+
#include "G4eplusAnnihilation.hh"
 
// mu+-
#include "G4MuMultipleScattering.hh"
#include "G4MuIonisation.hh"
#include "G4MuBremsstrahlung.hh"
#include "G4MuPairProduction.hh"
 
#include "G4MuBremsstrahlungModel.hh"
#include "G4MuPairProductionModel.hh"
#include "G4hBremsstrahlungModel.hh"
#include "G4hPairProductionModel.hh"
 
// hadrons
#include "G4hMultipleScattering.hh"
#include "G4MscStepLimitType.hh"
 
#include "G4hBremsstrahlung.hh"
#include "G4hPairProduction.hh"
 
#include "G4hIonisation.hh"
#include "G4ionIonisation.hh"
#include "G4alphaIonisation.hh"
#include "G4IonParametrisedLossModel.hh"
#include "G4NuclearStopping.hh"
 
// msc models
#include "G4UrbanMscModel95.hh"
#include "G4WentzelVIModel.hh"
#include "G4GoudsmitSaundersonMscModel.hh"
#include "G4CoulombScattering.hh"
 
// interfaces
#include "G4LossTableManager.hh"
#include "G4EmProcessOptions.hh"
#include "G4UAtomicDeexcitation.hh"
 
// particles
 
#include "G4Gamma.hh"
#include "G4Electron.hh"
#include "G4Positron.hh"
#include "G4MuonPlus.hh"
#include "G4MuonMinus.hh"
#include "G4PionPlus.hh"
#include "G4PionMinus.hh"
#include "G4KaonPlus.hh"
#include "G4KaonMinus.hh"
#include "G4Proton.hh"
#include "G4AntiProton.hh"
#include "G4Deuteron.hh"
#include "G4Triton.hh"
#include "G4He3.hh"
#include "G4Alpha.hh"
#include "G4GenericIon.hh"
 
//
#include "G4PhysicsListHelper.hh"
#include "G4BuilderType.hh"
 
// factory
#include "G4PhysicsConstructorFactory.hh"
//
G4_DECLARE_PHYSCONSTR_FACTORY(G4EmLowEPPhysics);
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 
G4EmLowEPPhysics::G4EmLowEPPhysics(G4int ver)
  : G4VPhysicsConstructor("G4EmLowEPPhysics"), verbose(ver)
{
  G4LossTableManager::Instance();
  SetPhysicsType(bElectromagnetic);
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 
G4EmLowEPPhysics::G4EmLowEPPhysics(G4int ver, const G4String&)
  : G4VPhysicsConstructor("G4EmLowEPPhysics"), verbose(ver)
{
  G4LossTableManager::Instance();
  SetPhysicsType(bElectromagnetic);
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 
G4EmLowEPPhysics::~G4EmLowEPPhysics()
{}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 
void G4EmLowEPPhysics::ConstructParticle()
{
// gamma
  G4Gamma::Gamma();
 
// leptons
  G4Electron::Electron();
  G4Positron::Positron();
  G4MuonPlus::MuonPlus();
  G4MuonMinus::MuonMinus();
 
// mesons
  G4PionPlus::PionPlusDefinition();
  G4PionMinus::PionMinusDefinition();
  G4KaonPlus::KaonPlusDefinition();
  G4KaonMinus::KaonMinusDefinition();
 
// baryons
  G4Proton::Proton();
  G4AntiProton::AntiProton();
 
// ions
  G4Deuteron::Deuteron();
  G4Triton::Triton();
  G4He3::He3();
  G4Alpha::Alpha();
  G4GenericIon::GenericIonDefinition();
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 
void G4EmLowEPPhysics::ConstructProcess()
{
  G4PhysicsListHelper* ph = G4PhysicsListHelper::GetPhysicsListHelper();
 
  // muon & hadron bremsstrahlung and pair production
  G4MuBremsstrahlung* mub = new G4MuBremsstrahlung();
  G4MuPairProduction* mup = new G4MuPairProduction();
  G4hBremsstrahlung* pib = new G4hBremsstrahlung();
  G4hPairProduction* pip = new G4hPairProduction();
  G4hBremsstrahlung* kb = new G4hBremsstrahlung();
  G4hPairProduction* kp = new G4hPairProduction();
  G4hBremsstrahlung* pb = new G4hBremsstrahlung();
  G4hPairProduction* pp = new G4hPairProduction();
 
  // muon & hadron multiple scattering
  G4MuMultipleScattering* mumsc = new G4MuMultipleScattering();
  mumsc->AddEmModel(0, new G4WentzelVIModel());
  G4hMultipleScattering* hmsc = new G4hMultipleScattering();
  G4hMultipleScattering* pmsc = new G4hMultipleScattering();
  G4hMultipleScattering* pimsc = new G4hMultipleScattering();
  G4hMultipleScattering* kmsc = new G4hMultipleScattering();
 
  // Add Livermore EM Processes
  theParticleIterator->reset();
 
  while( (*theParticleIterator)() ){
  
    G4ParticleDefinition* particle = theParticleIterator->value();
    G4String particleName = particle->GetParticleName();
    
    if(verbose > 1)
      G4cout << "### " << GetPhysicsName() << " instantiates for " 
         << particleName << G4endl;
 
    //Applicability range for Livermore models
    //for higher energies, the Standard models are used   
    G4double LivermoreHighEnergyLimit = GeV;
 
    if (particleName == "gamma") {
 
      G4PhotoElectricEffect* thePhotoElectricEffect = new G4PhotoElectricEffect();
      G4LivermorePhotoElectricModel* theLivermorePhotoElectricModel = 
    new G4LivermorePhotoElectricModel();
      theLivermorePhotoElectricModel->SetHighEnergyLimit(LivermoreHighEnergyLimit);
      thePhotoElectricEffect->AddEmModel(0, theLivermorePhotoElectricModel);
      ph->RegisterProcess(thePhotoElectricEffect, particle);
 
      G4ComptonScattering* theComptonScattering = new G4ComptonScattering();
      G4LowEPComptonModel* theLowEPComptonModel = 
    new G4LowEPComptonModel();
      theLowEPComptonModel->SetHighEnergyLimit(LivermoreHighEnergyLimit);
      theComptonScattering->AddEmModel(0, theLowEPComptonModel);
      ph->RegisterProcess(theComptonScattering, particle);
 
      G4GammaConversion* theGammaConversion = new G4GammaConversion();
      G4LivermoreGammaConversionModel* theLivermoreGammaConversionModel = 
    new G4LivermoreGammaConversionModel();
      theLivermoreGammaConversionModel->SetHighEnergyLimit(LivermoreHighEnergyLimit);
      theGammaConversion->AddEmModel(0, theLivermoreGammaConversionModel);
      ph->RegisterProcess(theGammaConversion, particle);
 
      G4RayleighScattering* theRayleigh = new G4RayleighScattering();
      G4LivermoreRayleighModel* theRayleighModel = new G4LivermoreRayleighModel();
      theRayleighModel->SetHighEnergyLimit(LivermoreHighEnergyLimit);
      theRayleigh->AddEmModel(0, theRayleighModel);
      ph->RegisterProcess(theRayleigh, particle);
 
    } else if (particleName == "e-") {
 
      G4eMultipleScattering* msc = new G4eMultipleScattering();
      msc->AddEmModel(0, new G4UrbanMscModel95());
      //msc->AddEmModel(0, new G4GoudsmitSaundersonMscModel());
      msc->SetStepLimitType(fUseDistanceToBoundary);
      ph->RegisterProcess(msc, particle);
      
      // Ionisation
      G4eIonisation* eIoni = new G4eIonisation();
      G4LivermoreIonisationModel* theIoniLivermore = new
        G4LivermoreIonisationModel();
      theIoniLivermore->SetHighEnergyLimit(0.1*MeV); 
      eIoni->AddEmModel(0, theIoniLivermore, new G4UniversalFluctuation() );
      eIoni->SetStepFunction(0.2, 100*um); //     
      ph->RegisterProcess(eIoni, particle);
      
      // Bremsstrahlung
      G4eBremsstrahlung* eBrem = new G4eBremsstrahlung();
      G4LivermoreBremsstrahlungModel* theBremLivermore = new
        G4LivermoreBremsstrahlungModel();
      theBremLivermore->SetHighEnergyLimit(25*MeV);
      theBremLivermore->SetAngularDistribution(new G4Generator2BS());
      eBrem->AddEmModel(0, theBremLivermore);
      ph->RegisterProcess(eBrem, particle);
 
    } else if (particleName == "e+") {
 
      // Identical to G4EmStandardPhysics_option3
      
      G4eMultipleScattering* msc = new G4eMultipleScattering();
      msc->AddEmModel(0, new G4UrbanMscModel95());
      //msc->AddEmModel(0, new G4GoudsmitSaundersonMscModel());
      msc->SetStepLimitType(fUseDistanceToBoundary);
      G4eIonisation* eIoni = new G4eIonisation();
      eIoni->SetStepFunction(0.2, 100*um);      
 
      ph->RegisterProcess(msc, particle);
      ph->RegisterProcess(eIoni, particle);
      ph->RegisterProcess(new G4eBremsstrahlung(), particle);
      ph->RegisterProcess(new G4eplusAnnihilation(), particle);
 
    } else if (particleName == "mu+" ||
               particleName == "mu-"    ) {
 
      G4MuIonisation* muIoni = new G4MuIonisation();
      muIoni->SetStepFunction(0.2, 50*um);          
 
      ph->RegisterProcess(mumsc, particle);
      ph->RegisterProcess(muIoni, particle);
      ph->RegisterProcess(mub, particle);
      ph->RegisterProcess(mup, particle);
      ph->RegisterProcess(new G4CoulombScattering(), particle);
 
    } else if (particleName == "alpha" ||
               particleName == "He3" ) {
 
      // Identical to G4EmStandardPhysics_option3
      
      G4ionIonisation* ionIoni = new G4ionIonisation();
      ionIoni->SetStepFunction(0.1, 10*um);
 
      ph->RegisterProcess(hmsc, particle);
      ph->RegisterProcess(ionIoni, particle);
      ph->RegisterProcess(new G4NuclearStopping(), particle);
 
    } else if (particleName == "GenericIon") {
 
      // Identical to G4EmStandardPhysics_option3
      
      G4ionIonisation* ionIoni = new G4ionIonisation();
      ionIoni->SetEmModel(new G4IonParametrisedLossModel());
      ionIoni->SetStepFunction(0.1, 1*um);
 
      ph->RegisterProcess(hmsc, particle);
      ph->RegisterProcess(ionIoni, particle);
      ph->RegisterProcess(new G4NuclearStopping(), particle);
 
    } else if (particleName == "pi+" ||
               particleName == "pi-" ) {
 
      G4hIonisation* hIoni = new G4hIonisation();
      hIoni->SetStepFunction(0.2, 50*um);
 
      ph->RegisterProcess(pimsc, particle);
      ph->RegisterProcess(hIoni, particle);
      ph->RegisterProcess(pib, particle);
      ph->RegisterProcess(pip, particle);
 
    } else if (particleName == "kaon+" ||
               particleName == "kaon-" ) {
 
      G4hIonisation* hIoni = new G4hIonisation();
      hIoni->SetStepFunction(0.2, 50*um);
 
      ph->RegisterProcess(kmsc, particle);
      ph->RegisterProcess(hIoni, particle);
      ph->RegisterProcess(kb, particle);
      ph->RegisterProcess(kp, particle);
 
    } else if (particleName == "proton" ||
           particleName == "anti_proton") {
 
      G4hIonisation* hIoni = new G4hIonisation();
      hIoni->SetStepFunction(0.2, 50*um);
 
      ph->RegisterProcess(pmsc, particle);
      ph->RegisterProcess(hIoni, particle);
      ph->RegisterProcess(pb, particle);
      ph->RegisterProcess(pp, particle);
 
    } else if (particleName == "B+" ||
           particleName == "B-" ||
           particleName == "D+" ||
           particleName == "D-" ||
           particleName == "Ds+" ||
           particleName == "Ds-" ||
               particleName == "anti_He3" ||
               particleName == "anti_alpha" ||
               particleName == "anti_deuteron" ||
               particleName == "anti_lambda_c+" ||
               particleName == "anti_omega-" ||
               particleName == "anti_sigma_c+" ||
               particleName == "anti_sigma_c++" ||
               particleName == "anti_sigma+" ||
               particleName == "anti_sigma-" ||
               particleName == "anti_triton" ||
               particleName == "anti_xi_c+" ||
               particleName == "anti_xi-" ||
               particleName == "deuteron" ||
           particleName == "lambda_c+" ||
               particleName == "omega-" ||
               particleName == "sigma_c+" ||
               particleName == "sigma_c++" ||
               particleName == "sigma+" ||
               particleName == "sigma-" ||
               particleName == "tau+" ||
               particleName == "tau-" ||
               particleName == "triton" ||
               particleName == "xi_c+" ||
               particleName == "xi-" ) {
 
      // Identical to G4EmStandardPhysics_option3
      
      ph->RegisterProcess(hmsc, particle);
      ph->RegisterProcess(new G4hIonisation(), particle);
 
    }
  }
    
  // Em options
  //      
  G4EmProcessOptions opt;
  opt.SetVerbose(verbose);
  
  // Multiple Coulomb scattering
  //
  opt.SetPolarAngleLimit(CLHEP::pi);
    
  // Physics tables
  //
 
  opt.SetMinEnergy(100*eV);
  opt.SetMaxEnergy(10*TeV);
  opt.SetDEDXBinning(220);
  opt.SetLambdaBinning(220);
 
  // Ionization
  //
  //opt.SetSubCutoff(true);    
 
  // Deexcitation
  //
  G4VAtomDeexcitation* de = new G4UAtomicDeexcitation();
  G4LossTableManager::Instance()->SetAtomDeexcitation(de);
  de->SetFluo(true);
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......