geant4/examples/extended/electromagnetic/TestEm5/src/Em5PhysicsList.cc

// This code implementation is the intellectual property of
// the GEANT4 collaboration.
//
// By copying, distributing or modifying the Program (or any work
// based on the Program) you indicate your acceptance of this statement,
// and all its terms.
//
// $Id: Em5PhysicsList.cc,v 1.6 2000/05/24 16:13:21 maire Exp $
// GEANT4 tag $Name: geant4-03-00 $
// 

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// Always place it in front!
//   
////#include "G4Timer.hh"

#include "Em5PhysicsList.hh"
#include "Em5DetectorConstruction.hh"
#include "Em5PhysicsListMessenger.hh"

#include "G4ParticleDefinition.hh"
#include "G4ParticleWithCuts.hh"
#include "G4ProcessManager.hh"
#include "G4ProcessVector.hh"
#include "G4ParticleTypes.hh"
#include "G4ParticleTable.hh"
#include "G4Material.hh"
#include "G4EnergyLossTables.hh"
#include "G4ios.hh"
#include "g4std/iomanip"                

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Em5PhysicsList::Em5PhysicsList(Em5DetectorConstruction* p)
:G4VUserPhysicsList()
{
  pDet = p;

  currentDefaultCut = defaultCutValue = 1*mm;
  cutForGamma       = defaultCutValue;
  cutForElectron    = defaultCutValue;
  cutForProton      = defaultCutValue;
  
  MaxChargedStep = DBL_MAX; 
  
  SetVerboseLevel(1);
  physicsListMessenger = new Em5PhysicsListMessenger(this);
}

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Em5PhysicsList::~Em5PhysicsList()
{
  delete physicsListMessenger; 
}

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void Em5PhysicsList::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();
  ConstructBarions();
}

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void Em5PhysicsList::ConstructBosons()
{
  // pseudo-particles
  G4Geantino::GeantinoDefinition();
  G4ChargedGeantino::ChargedGeantinoDefinition();
  
  // gamma
  G4Gamma::GammaDefinition();
}
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void Em5PhysicsList::ConstructLeptons()
{
  // leptons
  G4Electron::ElectronDefinition();
  G4Positron::PositronDefinition();
  G4MuonPlus::MuonPlusDefinition();
  G4MuonMinus::MuonMinusDefinition();

  G4NeutrinoE::NeutrinoEDefinition();
  G4AntiNeutrinoE::AntiNeutrinoEDefinition();
  G4NeutrinoMu::NeutrinoMuDefinition();
  G4AntiNeutrinoMu::AntiNeutrinoMuDefinition();
}

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void Em5PhysicsList::ConstructMesons()
{
 //  mesons
  G4PionPlus::PionPlusDefinition();
  G4PionMinus::PionMinusDefinition();
  G4PionZero::PionZeroDefinition();
  G4KaonPlus::KaonPlusDefinition();
  G4KaonMinus::KaonMinusDefinition();
}

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void Em5PhysicsList::ConstructBarions()
{
//  barions
  G4Proton::ProtonDefinition();
  G4AntiProton::AntiProtonDefinition();
}

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void Em5PhysicsList::ConstructProcess()
{
  AddTransportation();
  ConstructEM();
  ConstructGeneral();
}

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

#include "G4MultipleScattering.hh"

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

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

#include "G4hIonisation.hh"

#include "Em5StepCut.hh"

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void Em5PhysicsList::ConstructEM()
{
  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
      pmanager->AddProcess(new G4MultipleScattering, -1, 1,1);
      pmanager->AddProcess(new G4eIonisation,        -1, 2,2);
      pmanager->AddProcess(new G4eBremsstrahlung,    -1,-1,3);       

      Em5StepCut* theeminusStepCut = new Em5StepCut();
      theeminusStepCut->SetMaxStep(MaxChargedStep);  
      pmanager->AddProcess(theeminusStepCut,         -1,-1,4);

    } else if (particleName == "e+") {
      //positron      
      pmanager->AddProcess(new G4MultipleScattering, -1, 1,1);
      pmanager->AddProcess(new G4eIonisation,        -1, 2,2);
      pmanager->AddProcess(new G4eBremsstrahlung,    -1,-1,3);
      pmanager->AddProcess(new G4eplusAnnihilation,   0,-1,4);
                  
      Em5StepCut* theeplusStepCut = new Em5StepCut();
      theeplusStepCut->SetMaxStep(MaxChargedStep) ;          
      pmanager->AddProcess(theeplusStepCut,          -1,-1,5);
  
    } else if( particleName == "mu+" || 
               particleName == "mu-"    ) {
     //muon  
     pmanager->AddProcess(new G4MultipleScattering,-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 (
                particleName == "proton"  
               || particleName == "antiproton"  
               || particleName == "pi+"  
               || particleName == "pi-"  
               || particleName == "kaon+"  
               || particleName == "kaon-"  
              )
    {
      pmanager->AddProcess(new G4MultipleScattering,-1,1,1);
      pmanager->AddProcess(new G4hIonisation,       -1,2,2);
      
      Em5StepCut* thehadronStepCut = new Em5StepCut();
      thehadronStepCut->SetMaxStep(MaxChargedStep);          		       
      pmanager->AddProcess( thehadronStepCut,       -1,-1,3);
    }
  }
}

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#include "G4Decay.hh"

void Em5PhysicsList::ConstructGeneral()
{
  // Add Decay Process
   G4Decay* theDecayProcess = new G4Decay();
  theParticleIterator->reset();
  while( (*theParticleIterator)() ){
    G4ParticleDefinition* particle = theParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    if (theDecayProcess->IsApplicable(*particle)) { 
      pmanager ->AddProcess(theDecayProcess);
      // set ordering for PostStepDoIt and AtRestDoIt
      pmanager ->SetProcessOrdering(theDecayProcess, idxPostStep);
      pmanager ->SetProcessOrdering(theDecayProcess, idxAtRest);
    }
  }
}

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void Em5PhysicsList::SetCuts()
{
  ////G4Timer theTimer ;
  ////theTimer.Start() ;
  
  // reactualise cutValues
  if (currentDefaultCut != defaultCutValue)
    {
     if(cutForGamma    == currentDefaultCut) cutForGamma    = defaultCutValue;
     if(cutForElectron == currentDefaultCut) cutForElectron = defaultCutValue;
     currentDefaultCut = defaultCutValue;
    }
      
  if (verboseLevel >0){
    G4cout << "Em5PhysicsList::SetCuts:";
    G4cout << "CutLength : " << G4BestUnit(defaultCutValue,"Length") << G4endl;
  }
  
  //special for low energy physics
  //
  G4double lowlimit=250*eV;  
  G4Gamma   ::SetEnergyRange(lowlimit,100*GeV);
  G4Electron::SetEnergyRange(lowlimit,100*GeV);
  G4Positron::SetEnergyRange(lowlimit,100*GeV);
      
  // set cut values for gamma at first and for e- second and next for e+,
  // because some processes for e+/e- need cut values for gamma 
   SetCutValue(cutForGamma,"gamma");

   SetCutValue(cutForElectron,"e-");
   SetCutValue(cutForElectron,"e+");

   SetCutValue(defaultCutValue,"mu-");
   SetCutValue(defaultCutValue,"mu+");

  // set cut values for proton and anti_proton before all other hadrons
  // because some processes for hadrons need cut values for proton/anti_proton 

  SetCutValue(defaultCutValue, "proton");
  SetCutValue(defaultCutValue, "anti_proton");

  SetCutValueForOthers(defaultCutValue);
              
  if (verboseLevel>0) DumpCutValuesTable();

  ////theTimer.Stop();
  ////G4cout.precision(6);
  ////G4cout << G4endl ;
  ////G4cout << "total time(SetCuts)=" << theTimer.GetUserElapsed() << " s " <<G4endl;

}

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void Em5PhysicsList::SetGammaCut(G4double val)
{
  ResetCuts();
  cutForGamma = val;
}

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void Em5PhysicsList::SetElectronCut(G4double val)
{
  ResetCuts();
  cutForElectron = val;
}

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void Em5PhysicsList::SetProtonCut(G4double val)
{
  ResetCuts();
  cutForProton = val;
}

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void Em5PhysicsList::SetCutsByEnergy(G4double val)
{
  G4ParticleTable* theParticleTable =  G4ParticleTable::GetParticleTable();
  G4Material* currMat = pDet->GetAbsorberMaterial();

  // set cut values for gamma at first and for e- second and next for e+,
  // because some processes for e+/e- need cut values for gamma
  G4ParticleDefinition* part;
  G4double cut;

  part = theParticleTable->FindParticle("e-");
  cut = G4EnergyLossTables::GetRange(part,val,currMat);
  SetCutValue(cut, "e-");

  part = theParticleTable->FindParticle("e+");
  cut = G4EnergyLossTables::GetRange(part,val,currMat);
  SetCutValue(cut, "e+");

  // set cut values for proton and anti_proton before all other hadrons
  // because some processes for hadrons need cut values for proton/anti_proton
  part = theParticleTable->FindParticle("proton");
  cut = G4EnergyLossTables::GetRange(part,val,currMat);
  SetCutValue(cut, "proton");

  part = theParticleTable->FindParticle("anti_proton");
  cut = G4EnergyLossTables::GetRange(part,val,currMat);
  SetCutValue(cut, "anti_proton");

  SetCutValueForOthers(cut);
}

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void Em5PhysicsList::GetRange(G4double val)
{
  G4ParticleTable* theParticleTable =  G4ParticleTable::GetParticleTable();
  G4Material* currMat = pDet->GetAbsorberMaterial();

  G4ParticleDefinition* part;
  G4double cut;
  part = theParticleTable->FindParticle("e-");
  cut = G4EnergyLossTables::GetRange(part,val,currMat);
  G4cout << "material : " << currMat->GetName() << G4endl;
  G4cout << "particle : " << part->GetParticleName() << G4endl;
  G4cout << "energy   : " << val / keV << " (keV)" << G4endl;
  G4cout << "range    : " << cut / mm << " (mm)" << G4endl;
}

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void Em5PhysicsList::SetMaxStep(G4double step)
{
  MaxChargedStep = step ;
  G4cout << " MaxChargedStep=" << MaxChargedStep << G4endl;
  G4cout << G4endl;
}

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