source: trunk/examples/extended/electromagnetic/TestEm1/src/PhysListEmStandard.cc @ 1342

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// $Id: PhysListEmStandard.cc,v 1.21 2009/11/13 15:44:28 maire Exp $
// GEANT4 tag $Name: geant4-09-04-beta-01 $
//
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#include "PhysListEmStandard.hh"
#include "G4ParticleDefinition.hh"
#include "G4ProcessManager.hh"

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

#include "G4eMultipleScattering.hh"
#include "G4UrbanMscModel93.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 "G4EmProcessOptions.hh"
#include "G4MscStepLimitType.hh"

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PhysListEmStandard::PhysListEmStandard(const G4String& name)
  :  G4VPhysicsConstructor(name)
{ }

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PhysListEmStandard::~PhysListEmStandard()
{ }

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

  theParticleIterator->reset();
  while( (*theParticleIterator)() ){
    G4ParticleDefinition* particle = theParticleIterator->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
      G4eMultipleScattering* msc = new G4eMultipleScattering();
      msc->AddEmModel(0, new G4UrbanMscModel93());
      pmanager->AddProcess(msc,                       -1, 1, 1);
      pmanager->AddProcess(new G4eIonisation,         -1, 2, 2);
      pmanager->AddProcess(new G4eBremsstrahlung,     -1, 3, 3);
            
    } else if (particleName == "e+") {
      //positron
      G4eMultipleScattering* msc = new G4eMultipleScattering();
      msc->AddEmModel(0, new G4UrbanMscModel93());
      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);
      
    } else if( particleName == "mu+" || 
               particleName == "mu-"    ) {
      //muon  
      pmanager->AddProcess(new G4MuMultipleScattering,-1, 1, 1);
      pmanager->AddProcess(new G4MuIonisation,        -1, 2, 2);
      pmanager->AddProcess(new G4MuBremsstrahlung,    -1, 3, 3);
      pmanager->AddProcess(new G4MuPairProduction,    -1, 4, 4);       
             
    } else if( particleName == "proton" ||
               particleName == "pi-" ||
               particleName == "pi+"    ) {
      //proton  
      pmanager->AddProcess(new G4hMultipleScattering, -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" ||
               particleName == "GenericIon" ) { 

      pmanager->AddProcess(new G4hMultipleScattering,-1, 1, 1);
      pmanager->AddProcess(new G4ionIonisation,      -1, 2, 2);

    } else if ((!particle->IsShortLived()) &&
               (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);
    }
  }

  // Em options
  //
  // Main options and setting parameters are shown here.
  // Several of them have default values.
  //
  G4EmProcessOptions emOptions;
  
  //physics tables
  //
  emOptions.SetMinEnergy(100*eV);       //default    
  emOptions.SetMaxEnergy(100*TeV);      //default  
  emOptions.SetDEDXBinning(12*20);      //default=12*7  
  emOptions.SetLambdaBinning(12*20);    //default=12*7
  emOptions.SetSplineFlag(true);        //default
      
  //multiple coulomb scattering
  //
  emOptions.SetMscStepLimitation(fUseDistanceToBoundary);  //default=fUseSafety
  emOptions.SetMscRangeFactor(0.04);    //default
  emOptions.SetMscGeomFactor (2.5);     //default       
  emOptions.SetSkin(3.);                //default
      
  //energy loss
  //
  emOptions.SetStepFunction(0.2, 100*um);       //default=(0.2, 1*mm)   
  emOptions.SetLinearLossLimit(1.e-2);          //default
   
  //ionization
  //
  emOptions.SetSubCutoff(false);                //default=false  
}

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