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File indexing completed on 2021-06-11 04:40:40

0001 #include "SimG4Core/PhysicsLists/interface/CMSEmNoDeltaRay.h"
0002 #include "SimG4Core/PhysicsLists/interface/EmParticleList.h"
0003 
0004 #include "FWCore/MessageLogger/interface/MessageLogger.h"
0005 
0006 #include "G4EmParameters.hh"
0007 #include "G4ParticleTable.hh"
0008 
0009 #include "G4ParticleDefinition.hh"
0010 #include "G4ProcessManager.hh"
0011 #include "G4LossTableManager.hh"
0012 #include "G4RegionStore.hh"
0013 
0014 #include "G4ComptonScattering.hh"
0015 #include "G4GammaConversion.hh"
0016 #include "G4PhotoElectricEffect.hh"
0017 #include "G4UrbanMscModel.hh"
0018 
0019 #include "G4hMultipleScattering.hh"
0020 #include "G4eMultipleScattering.hh"
0021 #include "G4MscStepLimitType.hh"
0022 
0023 #include "G4hhIonisation.hh"
0024 
0025 #include "G4eBremsstrahlung.hh"
0026 #include "G4eplusAnnihilation.hh"
0027 
0028 #include "G4MuBremsstrahlung.hh"
0029 #include "G4MuPairProduction.hh"
0030 
0031 #include "G4hBremsstrahlung.hh"
0032 #include "G4hPairProduction.hh"
0033 
0034 #include "G4Gamma.hh"
0035 #include "G4Electron.hh"
0036 #include "G4Positron.hh"
0037 #include "G4MuonPlus.hh"
0038 #include "G4MuonMinus.hh"
0039 #include "G4PionPlus.hh"
0040 #include "G4PionMinus.hh"
0041 #include "G4KaonPlus.hh"
0042 #include "G4KaonMinus.hh"
0043 #include "G4Proton.hh"
0044 #include "G4AntiProton.hh"
0045 #include "G4GenericIon.hh"
0046 
0047 #include "G4EmBuilder.hh"
0048 #include "G4BuilderType.hh"
0049 #include "G4SystemOfUnits.hh"
0050 
0051 CMSEmNoDeltaRay::CMSEmNoDeltaRay(const G4String& name, G4int ver, const std::string& reg)
0052     : G4VPhysicsConstructor(name), region(reg) {
0053   G4EmParameters* param = G4EmParameters::Instance();
0054   param->SetDefaults();
0055   param->SetVerbose(ver);
0056   param->SetApplyCuts(true);
0057   param->SetMscRangeFactor(0.2);
0058   param->SetMscStepLimitType(fMinimal);
0059   SetPhysicsType(bElectromagnetic);
0060 }
0061 
0062 CMSEmNoDeltaRay::~CMSEmNoDeltaRay() {}
0063 
0064 void CMSEmNoDeltaRay::ConstructParticle() {
0065   // minimal set of particles for EM physics
0066   G4EmBuilder::ConstructMinimalEmSet();
0067 }
0068 
0069 void CMSEmNoDeltaRay::ConstructProcess() {
0070   // Add standard EM Processes
0071   G4Region* reg = nullptr;
0072   if (region != " ") {
0073     G4RegionStore* regStore = G4RegionStore::GetInstance();
0074     reg = regStore->GetRegion(region, false);
0075   }
0076 
0077   G4ParticleTable* table = G4ParticleTable::GetParticleTable();
0078   EmParticleList emList;
0079   for (const auto& particleName : emList.PartNames()) {
0080     G4ParticleDefinition* particle = table->FindParticle(particleName);
0081     G4ProcessManager* pmanager = particle->GetProcessManager();
0082     if (verboseLevel > 1)
0083       edm::LogVerbatim("PhysicsList") << "### " << GetPhysicsName() << " instantiates for " << particleName;
0084 
0085     if (particleName == "gamma") {
0086       pmanager->AddDiscreteProcess(new G4PhotoElectricEffect);
0087       pmanager->AddDiscreteProcess(new G4ComptonScattering);
0088       pmanager->AddDiscreteProcess(new G4GammaConversion);
0089 
0090     } else if (particleName == "e-") {
0091       G4eMultipleScattering* msc = new G4eMultipleScattering;
0092       msc->SetStepLimitType(fMinimal);
0093       if (reg != nullptr) {
0094         G4UrbanMscModel* msc_el = new G4UrbanMscModel();
0095         msc_el->SetRangeFactor(0.04);
0096         msc->AddEmModel(0, msc_el, reg);
0097       }
0098       pmanager->AddProcess(msc, -1, 1, -1);
0099       pmanager->AddProcess(new G4hhIonisation, -1, 2, 1);
0100       pmanager->AddProcess(new G4eBremsstrahlung, -1, -3, 2);
0101 
0102     } else if (particleName == "e+") {
0103       G4eMultipleScattering* msc = new G4eMultipleScattering;
0104       msc->SetStepLimitType(fMinimal);
0105       if (reg != nullptr) {
0106         G4UrbanMscModel* msc_pos = new G4UrbanMscModel();
0107         msc_pos->SetRangeFactor(0.04);
0108         msc->AddEmModel(0, msc_pos, reg);
0109       }
0110       pmanager->AddProcess(msc, -1, 1, -1);
0111       pmanager->AddProcess(new G4hhIonisation, -1, 2, -1);
0112       pmanager->AddProcess(new G4eBremsstrahlung, -1, -3, 1);
0113       pmanager->AddProcess(new G4eplusAnnihilation, 0, -1, 2);
0114 
0115     } else if (particleName == "mu+" || particleName == "mu-") {
0116       pmanager->AddProcess(new G4hMultipleScattering, -1, 1, -1);
0117       pmanager->AddProcess(new G4hhIonisation, -1, 2, -1);
0118       pmanager->AddProcess(new G4MuBremsstrahlung, -1, -3, 1);
0119       pmanager->AddProcess(new G4MuPairProduction, -1, -4, 2);
0120 
0121     } else if (particleName == "alpha" || particleName == "He3" || particleName == "GenericIon") {
0122       pmanager->AddProcess(new G4hMultipleScattering, -1, 1, -1);
0123       pmanager->AddProcess(new G4hhIonisation, -1, 2, -1);
0124 
0125     } else if (particleName == "pi+" || particleName == "kaon+" || particleName == "kaon-" ||
0126                particleName == "proton" || particleName == "pi-") {
0127       pmanager->AddProcess(new G4hMultipleScattering, -1, 1, -1);
0128       pmanager->AddProcess(new G4hhIonisation, -1, 2, -1);
0129       pmanager->AddProcess(new G4hBremsstrahlung(), -1, -3, 1);
0130       pmanager->AddProcess(new G4hPairProduction(), -1, -4, 2);
0131 
0132     } else if (particle->GetPDGCharge() != 0.0) {
0133       pmanager->AddProcess(new G4hMultipleScattering, -1, 1, -1);
0134       pmanager->AddProcess(new G4hhIonisation, -1, 2, -1);
0135     }
0136   }
0137 }