CMSEmStandardPhysicsXS Class Reference

#include <CMSEmStandardPhysicsXS.h>

Inheritance diagram for CMSEmStandardPhysicsXS:

Public Member Functions
	CMSEmStandardPhysicsXS (G4int ver)
void	ConstructParticle () override
void	ConstructProcess () override
	~CMSEmStandardPhysicsXS () override

Private Attributes
G4int	verbose

Detailed Description

Definition at line 7 of file CMSEmStandardPhysicsXS.h.

Constructor & Destructor Documentation

CMSEmStandardPhysicsXS::CMSEmStandardPhysicsXS

(

G4int

ver

)

Definition at line 80 of file CMSEmStandardPhysicsXS.cc.

                                                        :
  G4VPhysicsConstructor("CMSEmStandardXS_opt1"), verbose(ver) {
  G4EmParameters* param = G4EmParameters::Instance();
  param->SetDefaults();
  param->SetVerbose(verbose);
  param->SetApplyCuts(true);
  param->SetMscRangeFactor(0.2);
  param->SetMscStepLimitType(fMinimal);
  SetPhysicsType(bElectromagnetic);
}

CMSEmStandardPhysicsXS::~CMSEmStandardPhysicsXS ( )

override

Definition at line 91 of file CMSEmStandardPhysicsXS.cc.

{}

Member Function Documentation

void CMSEmStandardPhysicsXS::ConstructParticle ( )

override

Definition at line 93 of file CMSEmStandardPhysicsXS.cc.

References nanoDQM_cfi::Electron, and Gamma.

                                               {
  // gamma
  G4Gamma::Gamma();

  // leptons
  G4Electron::Electron();
  G4Positron::Positron();
  G4MuonPlus::MuonPlus();
  G4MuonMinus::MuonMinus();
  G4TauMinus::TauMinusDefinition();
  G4TauPlus::TauPlusDefinition();

  // mesons
  G4PionPlus::PionPlusDefinition();
  G4PionMinus::PionMinusDefinition();
  G4KaonPlus::KaonPlusDefinition();
  G4KaonMinus::KaonMinusDefinition();
  G4DMesonMinus::DMesonMinusDefinition();
  G4DMesonPlus::DMesonPlusDefinition();
  G4BMesonMinus::BMesonMinusDefinition();
  G4BMesonPlus::BMesonPlusDefinition();

  // barions
  G4Proton::Proton();
  G4AntiProton::AntiProton();
  G4SigmaMinus::SigmaMinusDefinition();
  G4AntiSigmaMinus::AntiSigmaMinusDefinition();
  G4SigmaPlus::SigmaPlusDefinition();
  G4AntiSigmaPlus::AntiSigmaPlusDefinition();
  G4XiMinus::XiMinusDefinition();
  G4AntiXiMinus::AntiXiMinusDefinition();
  G4OmegaMinus::OmegaMinusDefinition();
  G4AntiOmegaMinus::AntiOmegaMinusDefinition();
  G4LambdacPlus::LambdacPlusDefinition();
  G4AntiLambdacPlus::AntiLambdacPlusDefinition();
  G4XicPlus::XicPlusDefinition();
  G4AntiXicPlus::AntiXicPlusDefinition();

  // ions
  G4Deuteron::Deuteron();
  G4Triton::Triton();
  G4He3::He3();
  G4Alpha::Alpha();
  G4GenericIon::GenericIonDefinition();
}

void CMSEmStandardPhysicsXS::ConstructProcess ( )

override

Definition at line 139 of file CMSEmStandardPhysicsXS.cc.

References ecalTB2006H4_GenSimDigiReco_cfg::G4cout, kp, MeV, AnalysisDataFormats_SUSYBSMObjects::msc, HiggsValidation_cfi::particleName, EmParticleList::PartNames(), and createTree::pp.

                                              {

  if(verbose > 0) {
    G4cout << "### " << GetPhysicsName() << " Construct Processes " << G4endl;
  }

  // This EM builder takes default models of Geant4 10 EMV.
  // Multiple scattering by Urban for all particles
  // except e+e- below 100 MeV for which the Urban93 model is used

  G4PhysicsListHelper* ph = G4PhysicsListHelper::GetPhysicsListHelper();

  // muon & hadron bremsstrahlung and pair production
  G4MuBremsstrahlung* mub = nullptr;
  G4MuPairProduction* mup = nullptr;
  G4hBremsstrahlung* pib = nullptr;
  G4hPairProduction* pip = nullptr;
  G4hBremsstrahlung* kb = nullptr;
  G4hPairProduction* kp = nullptr;
  G4hBremsstrahlung* pb = nullptr;
  G4hPairProduction* pp = nullptr;

  // muon & hadron multiple scattering
  G4MuMultipleScattering* mumsc = nullptr;
  G4MuMultipleScattering* pimsc = nullptr;
  G4MuMultipleScattering* kmsc = nullptr;
  G4MuMultipleScattering* pmsc = nullptr;
  G4hMultipleScattering* hmsc = nullptr;

  // high energy limit for e+- scattering models and bremsstrahlung
  G4double highEnergyLimit = 100*MeV;

  G4Region* aRegion = 
    G4RegionStore::GetInstance()->GetRegion("HcalRegion",false);
  G4Region* bRegion = 
    G4RegionStore::GetInstance()->GetRegion("HGCalRegion",false);

  G4ParticleTable* table = G4ParticleTable::GetParticleTable();
  EmParticleList emList;
  for(const auto& particleName : emList.PartNames()) {
    G4ParticleDefinition* particle = table->FindParticle(particleName);

    if (particleName == "gamma") {

      G4PhotoElectricEffect* photo = new G4PhotoElectricEffect();
      photo->SetEmModel(new G4LivermorePhotoElectricModel(),1);
      ph->RegisterProcess(photo, particle);
      G4ComptonScattering* compt = new G4ComptonScattering();
      compt->SetEmModel(new G4KleinNishinaModel(), 1);
      ph->RegisterProcess(compt, particle);
      ph->RegisterProcess(new G4GammaConversion(), particle);

    } else if (particleName == "e-") {

      G4eIonisation* eioni = new G4eIonisation();
      eioni->SetStepFunction(0.8, 1.0*mm);

      G4eMultipleScattering* msc = new G4eMultipleScattering;
      msc->SetStepLimitType(fMinimal);
      G4UrbanMscModel* msc1 = new G4UrbanMscModel();
      G4WentzelVIModel* msc2 = new G4WentzelVIModel();
      G4UrbanMscModel* msc3 = new G4UrbanMscModel();
      msc3->SetLocked(true);
      msc1->SetHighEnergyLimit(highEnergyLimit);
      msc2->SetLowEnergyLimit(highEnergyLimit);
      msc3->SetHighEnergyLimit(highEnergyLimit);
      msc->AddEmModel(0, msc1);
      msc->AddEmModel(0, msc2);
      msc->AddEmModel(-1, msc3, aRegion);
      if (bRegion) msc->AddEmModel(-1, msc3, bRegion);

      G4eCoulombScatteringModel* ssm = new G4eCoulombScatteringModel(); 
      G4CoulombScattering* ss = new G4CoulombScattering();
      ss->SetEmModel(ssm, 1); 
      ss->SetMinKinEnergy(highEnergyLimit);
      ssm->SetLowEnergyLimit(highEnergyLimit);
      ssm->SetActivationLowEnergyLimit(highEnergyLimit);

      ph->RegisterProcess(msc, particle);
      ph->RegisterProcess(eioni, particle);
      ph->RegisterProcess(new G4eBremsstrahlung(), particle);
      ph->RegisterProcess(ss, particle);

    } else if (particleName == "e+") {

      G4eIonisation* eioni = new G4eIonisation();
      eioni->SetStepFunction(0.8, 1.0*mm);

      G4eMultipleScattering* msc = new G4eMultipleScattering;
      msc->SetStepLimitType(fMinimal);
      G4UrbanMscModel* msc1 = new G4UrbanMscModel();
      G4WentzelVIModel* msc2 = new G4WentzelVIModel();
      G4UrbanMscModel* msc3 = new G4UrbanMscModel();
      msc1->SetHighEnergyLimit(highEnergyLimit);
      msc2->SetLowEnergyLimit(highEnergyLimit);
      msc3->SetHighEnergyLimit(highEnergyLimit);
      msc3->SetLocked(true);
      msc->AddEmModel(0, msc1);
      msc->AddEmModel(0, msc2);
      msc->AddEmModel(-1, msc3, aRegion);
      if (bRegion) msc->AddEmModel(-1, msc3, bRegion);

      G4eCoulombScatteringModel* ssm = new G4eCoulombScatteringModel(); 
      G4CoulombScattering* ss = new G4CoulombScattering();
      ss->SetEmModel(ssm, 1); 
      ss->SetMinKinEnergy(highEnergyLimit);
      ssm->SetLowEnergyLimit(highEnergyLimit);
      ssm->SetActivationLowEnergyLimit(highEnergyLimit);

      ph->RegisterProcess(msc, particle);
      ph->RegisterProcess(eioni, particle);
      ph->RegisterProcess(new G4eBremsstrahlung(), particle);
      ph->RegisterProcess(new G4eplusAnnihilation(), particle);
      ph->RegisterProcess(ss, particle);

    } else if (particleName == "mu+" ||
               particleName == "mu-" ) {

      if(nullptr == mub) {
    mub = new G4MuBremsstrahlung();
    mup = new G4MuPairProduction();
    mumsc = new G4MuMultipleScattering();
    mumsc->AddEmModel(0, new G4WentzelVIModel());
      }
      ph->RegisterProcess(mumsc, particle);
      ph->RegisterProcess(new G4MuIonisation(), particle);
      ph->RegisterProcess(mub, particle);
      ph->RegisterProcess(mup, particle);
      ph->RegisterProcess(new G4CoulombScattering(), particle);

    } else if (particleName == "alpha" || 
           particleName == "He3" ) {

      ph->RegisterProcess(new G4hMultipleScattering(), particle);
      ph->RegisterProcess(new G4ionIonisation(), particle);

    } else if (particleName == "GenericIon") {

      if(nullptr == hmsc) {
    hmsc = new G4hMultipleScattering("ionmsc");
      }
      ph->RegisterProcess(hmsc, particle);
      ph->RegisterProcess(new G4ionIonisation(), particle);

    } else if (particleName == "pi+" || 
           particleName == "pi-" ) {

      if(nullptr == pib) {
    pib = new G4hBremsstrahlung();
    pip = new G4hPairProduction();
    pimsc = new G4MuMultipleScattering();
    pimsc->AddEmModel(0, new G4WentzelVIModel());
      }
      ph->RegisterProcess(pimsc, particle);
      ph->RegisterProcess(new G4hIonisation(), particle);
      ph->RegisterProcess(pib, particle);
      ph->RegisterProcess(pip, particle);
      ph->RegisterProcess(new G4CoulombScattering(), particle);

    } else if (particleName == "kaon+" ||
               particleName == "kaon-" ) {

      if(nullptr == kb) {
    kb = new G4hBremsstrahlung();
    kp = new G4hPairProduction();
    kmsc = new G4MuMultipleScattering();
    kmsc->AddEmModel(0, new G4WentzelVIModel());
      }
      ph->RegisterProcess(kmsc, particle);
      ph->RegisterProcess(new G4hIonisation(), particle);
      ph->RegisterProcess(kb, particle);
      ph->RegisterProcess(kp, particle);
      ph->RegisterProcess(new G4CoulombScattering(), particle);

    } else if (particleName == "proton" ||
           particleName == "anti_proton") {

      if(nullptr == pb) {
    pb = new G4hBremsstrahlung();
    pp = new G4hPairProduction();
    pmsc = new G4MuMultipleScattering();
    pmsc->AddEmModel(0, new G4WentzelVIModel());
      }
      ph->RegisterProcess(pmsc, particle);
      ph->RegisterProcess(new G4hIonisation(), particle);
      ph->RegisterProcess(pb, particle);
      ph->RegisterProcess(pp, particle);
      ph->RegisterProcess(new G4CoulombScattering(), 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-" ) {

      if(nullptr == hmsc) {
    hmsc = new G4hMultipleScattering("ionmsc");
      }
      ph->RegisterProcess(hmsc, particle);
      ph->RegisterProcess(new G4hIonisation(), particle);
    }
  }
}

Member Data Documentation

G4int CMSEmStandardPhysicsXS::verbose

private

Definition at line 17 of file CMSEmStandardPhysicsXS.h.