PhysListEmStandardWVI.cc

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// $Id: PhysListEmStandardWVI.cc 100262 2016-10-17 08:08:04Z gcosmo $
//
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#include "PhysListEmStandardWVI.hh"

#include "G4BuilderType.hh"
#include "G4ParticleDefinition.hh"
#include "G4ProcessManager.hh"

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

#include "G4eMultipleScattering.hh"
#include "G4WentzelVIModel.hh"
#include "G4CoulombScattering.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 "G4ionIonisation.hh"
#include "G4IonParametrisedLossModel.hh"
#include "G4NuclearStopping.hh"

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PhysListEmStandardWVI::PhysListEmStandardWVI(const G4String& name)
   :  G4VPhysicsConstructor(name)
{
    SetPhysicsType(bElectromagnetic);

    G4EmParameters* param = G4EmParameters::Instance();
    param->SetDefaults();
    param->SetMscThetaLimit(0.2);
}

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PhysListEmStandardWVI::~PhysListEmStandardWVI()
{}

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void PhysListEmStandardWVI::ConstructProcess()
{
  // Add standard EM Processes
  //

  auto particleIterator=GetParticleIterator();
  particleIterator->reset();
  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);
      
    } else if (particleName == "e-") {
      //electron
      G4MuMultipleScattering* msc = new G4MuMultipleScattering();
      msc->AddEmModel(0, new G4WentzelVIModel());
      pmanager->AddProcess(msc,                       -1, 1, 1);      
      pmanager->AddProcess(new G4eIonisation,         -1, 2, 2);
      pmanager->AddProcess(new G4eBremsstrahlung,     -1, 3, 3);
      pmanager->AddProcess(new G4CoulombScattering,   -1,-1, 4);
                  
    } else if (particleName == "e+") {
      //positron
      G4MuMultipleScattering* msc = new G4MuMultipleScattering();
      msc->AddEmModel(0, new G4WentzelVIModel());
      pmanager->AddProcess(msc,                       -1, 1, 1);            
      pmanager->AddProcess(new G4eIonisation,         -1, 2, 2);
      pmanager->AddProcess(new G4eBremsstrahlung,     -1, 3, 3);
      pmanager->AddProcess(new G4eplusAnnihilation,    0,-1, 4);
      pmanager->AddProcess(new G4CoulombScattering,   -1,-1, 5);
                  
    } else if (particleName == "mu+" || 
               particleName == "mu-"    ) {
      //muon
      G4MuMultipleScattering* msc = new G4MuMultipleScattering();
      msc->AddEmModel(0, new G4WentzelVIModel());
      pmanager->AddProcess(msc,                        -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(new G4CoulombScattering,    -1,-1, 5);
                   
    } else if( particleName == "proton" ||
               particleName == "pi-" ||
               particleName == "pi+"    ) {
      //proton
      G4hMultipleScattering* msc = new G4hMultipleScattering();
      pmanager->AddProcess(msc,                       -1, 1, 1);
      pmanager->AddProcess(new G4hIonisation,         -1, 2, 2);
      pmanager->AddProcess(new G4hBremsstrahlung,     -1, 3, 3);
      pmanager->AddProcess(new G4hPairProduction,     -1, 4, 4);
     
    } else if( particleName == "alpha" || 
               particleName == "He3"    ) {
      //alpha
      G4hMultipleScattering* msc = new G4hMultipleScattering();
      pmanager->AddProcess(msc,                       -1, 1, 1);
      pmanager->AddProcess(new G4ionIonisation,       -1, 2, 2);
      pmanager->AddProcess(new G4NuclearStopping,     -1, 3,-1);
            
    } else if( particleName == "GenericIon" ) {
      //Ions
      G4hMultipleScattering* msc = new G4hMultipleScattering();
      pmanager->AddProcess(msc,                       -1, 1, 1);
      G4ionIonisation* ionIoni = new G4ionIonisation();
      ionIoni->SetEmModel(new G4IonParametrisedLossModel());
      pmanager->AddProcess(ionIoni,                   -1, 2, 2);
      pmanager->AddProcess(new G4NuclearStopping,     -1, 3,-1);      
      
    } else if ((!particle->IsShortLived()) &&
               (particle->GetPDGCharge() != 0.0) && 
               (particle->GetParticleName() != "chargedgeantino")) {
      //all others charged particles except geantino
      G4hMultipleScattering* msc = new G4hMultipleScattering();
      pmanager->AddProcess(msc,                       -1, 1, 1);      
      pmanager->AddProcess(new G4hIonisation,         -1, 2, 2);
    }
  }
}

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