G4EmDNAPhysics.cc

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// add elastic scattering processes of proton, hydrogen, helium, alpha+, alpha++
 
#include "G4EmDNAPhysics.hh"
 
#include "G4SystemOfUnits.hh"
 
// *** Processes and models for Geant4-DNA
#include "G4DNAElectronSolvation.hh"
#include "G4DNAElastic.hh"
#include "G4DNAChampionElasticModel.hh"
#include "G4DNAScreenedRutherfordElasticModel.hh"
#include "G4DNAIonElasticModel.hh"
 
#include "G4DNAExcitation.hh"
#include "G4DNAAttachment.hh"
#include "G4DNAVibExcitation.hh"
#include "G4DNAIonisation.hh"
#include "G4DNAChargeDecrease.hh"
#include "G4DNAChargeIncrease.hh"
 
// particles
#include "G4Electron.hh"
#include "G4Proton.hh"
#include "G4Alpha.hh"
#include "G4GenericIon.hh"
#include "G4DNAGenericIonsManager.hh"
 
// e+
#include "G4Positron.hh"
#include "G4eMultipleScattering.hh"
#include "G4eIonisation.hh"
#include "G4eBremsstrahlung.hh"
#include "G4eplusAnnihilation.hh"
 
// gamma
#include "G4Gamma.hh"
#include "G4PhotoElectricEffect.hh"
#include "G4LivermorePhotoElectricModel.hh"
#include "G4ComptonScattering.hh"
#include "G4KleinNishinaModel.hh"
#include "G4GammaConversion.hh"
#include "G4RayleighScattering.hh" 
#include "G4BetheHeitler5DModel.hh"
 
// utilities
#include "G4EmParameters.hh"
#include "G4PhysicsListHelper.hh"
#include "G4BuilderType.hh"
#include "G4EmBuilder.hh"
 
// factory
#include "G4PhysicsConstructorFactory.hh"
//
G4_DECLARE_PHYSCONSTR_FACTORY(G4EmDNAPhysics);
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 
G4EmDNAPhysics::G4EmDNAPhysics(G4int ver, const G4String& name)
  : G4VPhysicsConstructor(name)
{
  // parameters for DNA and for option3 EM physics
  SetVerboseLevel(ver);
  G4EmParameters* param = G4EmParameters::Instance();
  param->SetDefaults();
  param->SetMinEnergy(10*CLHEP::eV);
  param->SetLowestElectronEnergy(0*CLHEP::eV);
  param->SetNumberOfBinsPerDecade(20);
  param->SetStepFunction(0.2, 100*CLHEP::um);
  param->SetMscStepLimitType(fUseDistanceToBoundary);
  param->SetLateralDisplacementAlg96(true);
  param->SetFluo(true);  
  param->SetAuger(true);  
  param->SetDeexcitationIgnoreCut(true);
  param->ActivateDNA();
 
  SetPhysicsType(bElectromagnetic);
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 
G4EmDNAPhysics::~G4EmDNAPhysics()
{}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 
void G4EmDNAPhysics::ConstructParticle()
{
  // bosons
  G4Gamma::Gamma();
 
  // leptons
  G4Electron::Electron();
  G4Positron::Positron();
  
  // baryons
  G4Proton::Proton();
 
  G4GenericIon::GenericIonDefinition();
  G4Alpha::Alpha();
 
  G4DNAGenericIonsManager* genericIonsManager
    = G4DNAGenericIonsManager::Instance();
  //genericIonsManager->GetIon("alpha++");
  genericIonsManager->GetIon("alpha+");
  genericIonsManager->GetIon("helium");
  genericIonsManager->GetIon("hydrogen");
  //genericIonsManager->GetIon("carbon");
  //genericIonsManager->GetIon("nitrogen");
  //genericIonsManager->GetIon("oxygen");
  //genericIonsManager->GetIon("iron");
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 
void G4EmDNAPhysics::ConstructProcess()
{
  if(verboseLevel > 1) {
    G4cout << "### " << GetPhysicsName() 
       << " Construct Processes " << G4endl;
  }
  ConstructGammaPositronProcesses();
 
  G4PhysicsListHelper* helper = 
    G4PhysicsListHelper::GetPhysicsListHelper();
  G4DNAGenericIonsManager* genericIonsManager
    = G4DNAGenericIonsManager::Instance();
 
  // e-
  G4ParticleDefinition* part = G4Electron::Electron();
 
  // *** Solvation ***
  G4DNAElectronSolvation* pSolvation = 
    new G4DNAElectronSolvation("e-_G4DNAElectronSolvation");
  auto pSolvationModel = G4DNASolvationModelFactory::GetMacroDefinedModel();
  pSolvationModel->SetHighEnergyLimit(7.4*eV); // limit of the Champion's model
  pSolvation->SetEmModel(pSolvationModel);
  helper->RegisterProcess(pSolvation, part);
      
  // *** Elastic scattering ***
  G4DNAElastic* pElasticProcess = new G4DNAElastic("e-_G4DNAElastic");
  pElasticProcess->SetEmModel(new G4DNAChampionElasticModel());   
  helper->RegisterProcess(pElasticProcess, part);
 
  // *** Excitation ***
  helper->RegisterProcess(new G4DNAExcitation("e-_G4DNAExcitation"), part);
 
  // *** Ionisation ***
  helper->RegisterProcess(new G4DNAIonisation("e-_G4DNAIonisation"), part);
 
  // *** Vibrational excitation ***
  helper->RegisterProcess(new G4DNAVibExcitation("e-_G4DNAVibExcitation"), part);
      
  // *** Attachment ***
  helper->RegisterProcess(new G4DNAAttachment("e-_G4DNAAttachment"), part); 
 
  // proton
  part = G4Proton::Proton();
 
  helper->RegisterProcess(new G4DNAElastic("proton_G4DNAElastic"), part);
  helper->RegisterProcess(new G4DNAExcitation("proton_G4DNAExcitation"), part);
  helper->RegisterProcess(new G4DNAIonisation("proton_G4DNAIonisation"), part);
  helper->RegisterProcess(new G4DNAChargeDecrease("proton_G4DNAChargeDecrease"), part);
 
  // hydrogen
  part = genericIonsManager->GetIon("hydrogen");
 
  helper->RegisterProcess(new G4DNAElastic("hydrogen_G4DNAElastic"), part);
  helper->RegisterProcess(new G4DNAExcitation("hydrogen_G4DNAExcitation"), part);
  helper->RegisterProcess(new G4DNAIonisation("hydrogen_G4DNAIonisation"), part);
  helper->RegisterProcess(new G4DNAChargeIncrease("hydrogen_G4DNAChargeIncrease"), part);
 
  // alpha++
  part = G4Alpha::Alpha();
 
  helper->RegisterProcess(new G4DNAElastic("alpha_G4DNAElastic"), part);
  helper->RegisterProcess(new G4DNAExcitation("alpha_G4DNAExcitation"), part);
  helper->RegisterProcess(new G4DNAIonisation("alpha_G4DNAIonisation"), part);
  helper->RegisterProcess(new G4DNAChargeDecrease("alpha_G4DNAChargeDecrease"), part);
 
  // alpha+
  part = genericIonsManager->GetIon("alpha+");
 
  helper->RegisterProcess(new G4DNAElastic("alpha+_G4DNAElastic"), part);
  helper->RegisterProcess(new G4DNAExcitation("alpha+_G4DNAExcitation"), part);
  helper->RegisterProcess(new G4DNAIonisation("alpha+_G4DNAIonisation"), part);
  helper->RegisterProcess(new G4DNAChargeDecrease("alpha+_G4DNAChargeDecrease"), part);
  helper->RegisterProcess(new G4DNAChargeIncrease("alpha+_G4DNAChargeIncrease"), part);
 
  // helium
  part = genericIonsManager->GetIon("helium");
 
  helper->RegisterProcess(new G4DNAElastic("helium_G4DNAElastic"), part);
  helper->RegisterProcess(new G4DNAExcitation("helium_G4DNAExcitation"), part);
  helper->RegisterProcess(new G4DNAIonisation("helium_G4DNAIonisation"), part);
  helper->RegisterProcess(new G4DNAChargeIncrease("helium_G4DNAChargeIncrease"), part);
    
  // other ions
  part = G4GenericIon::GenericIon();
 
  helper->RegisterProcess(new G4DNAIonisation("GenericIon_G4DNAIonisation"), part);
}
 
void G4EmDNAPhysics::ConstructGammaPositronProcesses()
{
  // this construction is based on G4EmStandardPhysics_option3
  G4EmBuilder::PrepareEMPhysics();
 
  G4PhysicsListHelper* helper = G4PhysicsListHelper::GetPhysicsListHelper();
  G4ParticleDefinition* part = G4Gamma::Gamma();
 
  // photoelectric effect - Livermore model 
  G4PhotoElectricEffect* thePEEffect = new G4PhotoElectricEffect();
  thePEEffect->SetEmModel(new G4LivermorePhotoElectricModel());
  helper->RegisterProcess(thePEEffect, part);
 
  // Compton scattering - Klein-Nishina
  G4ComptonScattering* theComptonScattering = new G4ComptonScattering();
  theComptonScattering->SetEmModel(new G4KleinNishinaModel());
  helper->RegisterProcess(theComptonScattering, part);
 
  // gamma conversion - 5D model
  G4GammaConversion* theGammaConversion = new G4GammaConversion();
  theGammaConversion->SetEmModel(new G4BetheHeitler5DModel());
  helper->RegisterProcess(theGammaConversion, part);
 
  // Rayleigh scattering - Livermore model
  G4RayleighScattering* theRayleigh = new G4RayleighScattering();
  helper->RegisterProcess(theRayleigh, part);
 
  part = G4Positron::Positron();
 
  helper->RegisterProcess(new G4eMultipleScattering(), part);
  helper->RegisterProcess(new G4eIonisation(), part);
  helper->RegisterProcess(new G4eBremsstrahlung(), part);
  helper->RegisterProcess(new G4eplusAnnihilation(), part);
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......