735 lines
22 KiB
C++
735 lines
22 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// $Id: G4VEmProcess.cc,v 1.79 2009/11/10 20:30:55 vnivanch Exp $
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// GEANT4 tag $Name: geant4-09-03 $
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//
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// -------------------------------------------------------------------
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//
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// GEANT4 Class file
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//
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//
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// File name: G4VEmProcess
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//
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// Author: Vladimir Ivanchenko on base of Laszlo Urban code
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//
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// Creation date: 01.10.2003
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//
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// Modifications:
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// 30-06-04 make it to be pure discrete process (V.Ivanchenko)
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// 30-09-08 optimise integral option (V.Ivanchenko)
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// 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivanchenko)
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// 11-03-05 Shift verbose level by 1, add applyCuts and killPrimary flags (VI)
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// 14-03-05 Update logic PostStepDoIt (V.Ivanchenko)
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// 08-04-05 Major optimisation of internal interfaces (V.Ivanchenko)
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// 18-04-05 Use G4ParticleChangeForGamma (V.Ivanchenko)
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// 25-07-05 Add protection: integral mode only for charged particles (VI)
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// 04-09-05 default lambdaFactor 0.8 (V.Ivanchenko)
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// 11-01-06 add A to parameters of ComputeCrossSectionPerAtom (VI)
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// 12-09-06 add SetModel() (mma)
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// 12-04-07 remove double call to Clear model manager (V.Ivanchenko)
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// 27-10-07 Virtual functions moved to source (V.Ivanchenko)
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// 24-06-09 Removed hidden bin in G4PhysicsVector (V.Ivanchenko)
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//
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// Class Description:
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//
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// -------------------------------------------------------------------
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#include "G4VEmProcess.hh"
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#include "G4LossTableManager.hh"
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#include "G4Step.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4VEmModel.hh"
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#include "G4DataVector.hh"
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#include "G4PhysicsTable.hh"
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#include "G4PhysicsVector.hh"
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#include "G4PhysicsLogVector.hh"
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#include "G4VParticleChange.hh"
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#include "G4ProductionCutsTable.hh"
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#include "G4Region.hh"
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#include "G4RegionStore.hh"
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#include "G4Gamma.hh"
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#include "G4Electron.hh"
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#include "G4Positron.hh"
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#include "G4PhysicsTableHelper.hh"
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#include "G4EmConfigurator.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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G4VEmProcess::G4VEmProcess(const G4String& name, G4ProcessType type):
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G4VDiscreteProcess(name, type),
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secondaryParticle(0),
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buildLambdaTable(true),
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theLambdaTable(0),
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theEnergyOfCrossSectionMax(0),
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theCrossSectionMax(0),
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integral(false),
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applyCuts(false),
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startFromNull(true),
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useDeexcitation(false),
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nDERegions(0),
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idxDERegions(0),
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currentModel(0),
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particle(0),
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currentCouple(0)
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{
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SetVerboseLevel(1);
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// Size of tables assuming spline
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minKinEnergy = 0.1*keV;
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maxKinEnergy = 10.0*TeV;
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nLambdaBins = 77;
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// default lambda factor
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lambdaFactor = 0.8;
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// default limit on polar angle
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polarAngleLimit = 0.0;
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// particle types
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theGamma = G4Gamma::Gamma();
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theElectron = G4Electron::Electron();
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thePositron = G4Positron::Positron();
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pParticleChange = &fParticleChange;
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secParticles.reserve(5);
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modelManager = new G4EmModelManager();
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(G4LossTableManager::Instance())->Register(this);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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G4VEmProcess::~G4VEmProcess()
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{
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if(1 < verboseLevel)
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G4cout << "G4VEmProcess destruct " << GetProcessName()
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<< G4endl;
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Clear();
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if(theLambdaTable) {
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theLambdaTable->clearAndDestroy();
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delete theLambdaTable;
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}
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delete modelManager;
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(G4LossTableManager::Instance())->DeRegister(this);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void G4VEmProcess::Clear()
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{
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delete [] theEnergyOfCrossSectionMax;
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delete [] theCrossSectionMax;
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delete [] idxDERegions;
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theEnergyOfCrossSectionMax = 0;
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theCrossSectionMax = 0;
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idxDERegions = 0;
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currentCouple = 0;
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preStepLambda = 0.0;
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mfpKinEnergy = DBL_MAX;
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deRegions.clear();
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nDERegions = 0;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void G4VEmProcess::AddEmModel(G4int order, G4VEmModel* p,
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const G4Region* region)
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{
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G4VEmFluctuationModel* fm = 0;
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modelManager->AddEmModel(order, p, fm, region);
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if(p) p->SetParticleChange(pParticleChange);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void G4VEmProcess::SetModel(G4VEmModel* p, G4int index)
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{
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G4int n = emModels.size();
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if(index >= n) { for(G4int i=n; i<=index; ++i) {emModels.push_back(0);} }
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emModels[index] = p;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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G4VEmModel* G4VEmProcess::Model(G4int index)
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{
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G4VEmModel* p = 0;
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if(index >= 0 && index < G4int(emModels.size())) { p = emModels[index]; }
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return p;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void G4VEmProcess::UpdateEmModel(const G4String& nam,
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G4double emin, G4double emax)
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{
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modelManager->UpdateEmModel(nam, emin, emax);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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G4VEmModel* G4VEmProcess::GetModelByIndex(G4int idx, G4bool ver)
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{
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return modelManager->GetModel(idx, ver);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void G4VEmProcess::PreparePhysicsTable(const G4ParticleDefinition& part)
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{
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if(!particle) particle = ∂
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if(1 < verboseLevel) {
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G4cout << "G4VEmProcess::PreparePhysicsTable() for "
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<< GetProcessName()
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<< " and particle " << part.GetParticleName()
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<< " local particle " << particle->GetParticleName()
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<< G4endl;
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}
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(G4LossTableManager::Instance())->EmConfigurator()->AddModels();
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if(particle == &part) {
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Clear();
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InitialiseProcess(particle);
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// initialisation of models
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G4int nmod = modelManager->NumberOfModels();
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for(G4int i=0; i<nmod; ++i) {
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G4VEmModel* mod = modelManager->GetModel(i);
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mod->SetPolarAngleLimit(polarAngleLimit);
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if(mod->HighEnergyLimit() > maxKinEnergy) {
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mod->SetHighEnergyLimit(maxKinEnergy);
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}
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}
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theCuts = modelManager->Initialise(particle,secondaryParticle,2.,verboseLevel);
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const G4ProductionCutsTable* theCoupleTable=
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G4ProductionCutsTable::GetProductionCutsTable();
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theCutsGamma = theCoupleTable->GetEnergyCutsVector(idxG4GammaCut);
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theCutsElectron = theCoupleTable->GetEnergyCutsVector(idxG4ElectronCut);
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theCutsPositron = theCoupleTable->GetEnergyCutsVector(idxG4PositronCut);
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// prepare tables
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if(buildLambdaTable){
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theLambdaTable = G4PhysicsTableHelper::PreparePhysicsTable(theLambdaTable);
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}
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}
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// Sub Cutoff and Deexcitation
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if (nDERegions>0) {
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const G4ProductionCutsTable* theCoupleTable=
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G4ProductionCutsTable::GetProductionCutsTable();
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size_t numOfCouples = theCoupleTable->GetTableSize();
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idxDERegions = new G4bool[numOfCouples];
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for (size_t j=0; j<numOfCouples; ++j) {
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const G4MaterialCutsCouple* couple =
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theCoupleTable->GetMaterialCutsCouple(j);
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const G4ProductionCuts* pcuts = couple->GetProductionCuts();
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G4bool reg = false;
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for(G4int i=0; i<nDERegions; ++i) {
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if(deRegions[i]) {
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if(pcuts == deRegions[i]->GetProductionCuts()) reg = true;
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}
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}
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idxDERegions[j] = reg;
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}
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}
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if (1 < verboseLevel && nDERegions>0) {
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G4cout << " Deexcitation is activated for regions: " << G4endl;
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for (G4int i=0; i<nDERegions; ++i) {
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const G4Region* r = deRegions[i];
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G4cout << " " << r->GetName() << G4endl;
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}
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void G4VEmProcess::BuildPhysicsTable(const G4ParticleDefinition& part)
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{
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G4String partname = part.GetParticleName();
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if(1 < verboseLevel) {
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G4cout << "G4VEmProcess::BuildPhysicsTable() for "
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<< GetProcessName()
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<< " and particle " << partname
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<< " buildLambdaTable= " << buildLambdaTable
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<< G4endl;
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}
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if(buildLambdaTable) {
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BuildLambdaTable();
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FindLambdaMax();
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}
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// reduce printout for nuclear stopping
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G4bool gproc = true;
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if(GetProcessName() == "nuclearStopping" &&
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partname != "GenericIon" && partname != "alpha") { gproc = false; }
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if(gproc && 0 < verboseLevel) { PrintInfoDefinition(); }
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if(1 < verboseLevel) {
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G4cout << "G4VEmProcess::BuildPhysicsTable() done for "
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<< GetProcessName()
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<< " and particle " << partname
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<< G4endl;
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void G4VEmProcess::BuildLambdaTable()
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{
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if(1 < verboseLevel) {
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G4cout << "G4EmProcess::BuildLambdaTable() for process "
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<< GetProcessName() << " and particle "
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<< particle->GetParticleName()
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<< G4endl;
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}
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// Access to materials
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const G4ProductionCutsTable* theCoupleTable=
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G4ProductionCutsTable::GetProductionCutsTable();
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size_t numOfCouples = theCoupleTable->GetTableSize();
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G4bool splineFlag = (G4LossTableManager::Instance())->SplineFlag();
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G4PhysicsLogVector* aVector = 0;
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G4PhysicsLogVector* bVector = 0;
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for(size_t i=0; i<numOfCouples; ++i) {
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if (theLambdaTable->GetFlag(i)) {
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// create physics vector and fill it
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const G4MaterialCutsCouple* couple =
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theCoupleTable->GetMaterialCutsCouple(i);
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if(!bVector) {
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aVector =
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static_cast<G4PhysicsLogVector*>(LambdaPhysicsVector(couple));
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bVector = aVector;
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} else {
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aVector = new G4PhysicsLogVector(*bVector);
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}
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// G4PhysicsVector* aVector = LambdaPhysicsVector(couple);
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aVector->SetSpline(splineFlag);
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modelManager->FillLambdaVector(aVector, couple, startFromNull);
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if(splineFlag) aVector->FillSecondDerivatives();
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G4PhysicsTableHelper::SetPhysicsVector(theLambdaTable, i, aVector);
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}
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}
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if(1 < verboseLevel) {
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G4cout << "Lambda table is built for "
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<< particle->GetParticleName()
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<< G4endl;
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if(2 < verboseLevel) {
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G4cout << *theLambdaTable << G4endl;
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}
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void G4VEmProcess::PrintInfoDefinition()
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{
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if(verboseLevel > 0) {
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G4cout << G4endl << GetProcessName() << ": for "
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<< particle->GetParticleName();
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if(integral) G4cout << ", integral: 1 ";
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if(applyCuts) G4cout << ", applyCuts: 1 ";
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G4cout << " SubType= " << GetProcessSubType() << G4endl;
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if(buildLambdaTable) {
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G4cout << " Lambda tables from "
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<< G4BestUnit(minKinEnergy,"Energy")
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<< " to "
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<< G4BestUnit(maxKinEnergy,"Energy")
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<< " in " << nLambdaBins << " bins, spline: "
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<< (G4LossTableManager::Instance())->SplineFlag()
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<< G4endl;
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}
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PrintInfo();
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modelManager->DumpModelList(verboseLevel);
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}
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if(verboseLevel > 2 && buildLambdaTable) {
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G4cout << " LambdaTable address= " << theLambdaTable << G4endl;
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if(theLambdaTable) G4cout << (*theLambdaTable) << G4endl;
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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G4double G4VEmProcess::PostStepGetPhysicalInteractionLength(
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const G4Track& track,
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G4double previousStepSize,
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G4ForceCondition* condition)
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{
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// condition is set to "Not Forced"
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*condition = NotForced;
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G4double x = DBL_MAX;
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if(previousStepSize <= DBL_MIN) theNumberOfInteractionLengthLeft = -1.0;
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InitialiseStep(track);
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if(!currentModel->IsActive(preStepKinEnergy)) return x;
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if(preStepKinEnergy < mfpKinEnergy) {
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if (integral) ComputeIntegralLambda(preStepKinEnergy);
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else preStepLambda = GetCurrentLambda(preStepKinEnergy);
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if(preStepLambda <= DBL_MIN) mfpKinEnergy = 0.0;
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}
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// non-zero cross section
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if(preStepLambda > DBL_MIN) {
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if (theNumberOfInteractionLengthLeft < 0.0) {
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// beggining of tracking (or just after DoIt of this process)
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ResetNumberOfInteractionLengthLeft();
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} else if(currentInteractionLength < DBL_MAX) {
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// subtract NumberOfInteractionLengthLeft
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SubtractNumberOfInteractionLengthLeft(previousStepSize);
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if(theNumberOfInteractionLengthLeft < 0.)
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theNumberOfInteractionLengthLeft = perMillion;
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}
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// get mean free path and step limit
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currentInteractionLength = 1.0/preStepLambda;
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x = theNumberOfInteractionLengthLeft * currentInteractionLength;
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#ifdef G4VERBOSE
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if (verboseLevel>2){
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G4cout << "G4VEmProcess::PostStepGetPhysicalInteractionLength ";
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G4cout << "[ " << GetProcessName() << "]" << G4endl;
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G4cout << " for " << particle->GetParticleName()
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<< " in Material " << currentMaterial->GetName()
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<< " Ekin(MeV)= " << preStepKinEnergy/MeV
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<<G4endl;
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G4cout << "MeanFreePath = " << currentInteractionLength/cm << "[cm]"
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<< "InteractionLength= " << x/cm <<"[cm] " <<G4endl;
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}
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#endif
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// zero cross section case
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} else {
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if(theNumberOfInteractionLengthLeft > DBL_MIN &&
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currentInteractionLength < DBL_MAX) {
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// subtract NumberOfInteractionLengthLeft
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SubtractNumberOfInteractionLengthLeft(previousStepSize);
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if(theNumberOfInteractionLengthLeft < 0.)
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theNumberOfInteractionLengthLeft = perMillion;
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}
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currentInteractionLength = DBL_MAX;
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}
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return x;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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G4VParticleChange* G4VEmProcess::PostStepDoIt(const G4Track& track,
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const G4Step&)
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{
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fParticleChange.InitializeForPostStep(track);
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// Do not make anything if particle is stopped, the annihilation then
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// should be performed by the AtRestDoIt!
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if (track.GetTrackStatus() == fStopButAlive) return &fParticleChange;
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G4double finalT = track.GetKineticEnergy();
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// Integral approach
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if (integral) {
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G4double lx = GetLambda(finalT, currentCouple);
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if(preStepLambda<lx && 1 < verboseLevel) {
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G4cout << "WARING: for " << particle->GetParticleName()
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<< " and " << GetProcessName()
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<< " E(MeV)= " << finalT/MeV
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<< " preLambda= " << preStepLambda << " < " << lx << " (postLambda) "
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<< G4endl;
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}
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if(preStepLambda*G4UniformRand() > lx) {
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ClearNumberOfInteractionLengthLeft();
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return &fParticleChange;
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}
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}
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SelectModel(finalT, currentCoupleIndex);
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|
if(!currentModel->IsActive(finalT)) return &fParticleChange;
|
|
if(useDeexcitation) {
|
|
currentModel->SetDeexcitationFlag(idxDERegions[currentCoupleIndex]);
|
|
}
|
|
/*
|
|
if(0 < verboseLevel) {
|
|
G4cout << "G4VEmProcess::PostStepDoIt: Sample secondary; E= "
|
|
<< finalT/MeV
|
|
<< " MeV; model= (" << currentModel->LowEnergyLimit()
|
|
<< ", " << currentModel->HighEnergyLimit() << ")"
|
|
<< G4endl;
|
|
}
|
|
*/
|
|
|
|
|
|
// sample secondaries
|
|
secParticles.clear();
|
|
currentModel->SampleSecondaries(&secParticles,
|
|
currentCouple,
|
|
track.GetDynamicParticle(),
|
|
(*theCuts)[currentCoupleIndex]);
|
|
|
|
// save secondaries
|
|
G4int num = secParticles.size();
|
|
if(num > 0) {
|
|
|
|
fParticleChange.SetNumberOfSecondaries(num);
|
|
G4double edep = fParticleChange.GetLocalEnergyDeposit();
|
|
|
|
for (G4int i=0; i<num; ++i) {
|
|
G4DynamicParticle* dp = secParticles[i];
|
|
const G4ParticleDefinition* p = dp->GetDefinition();
|
|
G4double e = dp->GetKineticEnergy();
|
|
G4bool good = true;
|
|
if(applyCuts) {
|
|
if (p == theGamma) {
|
|
if (e < (*theCutsGamma)[currentCoupleIndex]) good = false;
|
|
|
|
} else if (p == theElectron) {
|
|
if (e < (*theCutsElectron)[currentCoupleIndex]) good = false;
|
|
|
|
} else if (p == thePositron) {
|
|
if (electron_mass_c2 < (*theCutsGamma)[currentCoupleIndex] &&
|
|
e < (*theCutsPositron)[currentCoupleIndex]) {
|
|
good = false;
|
|
e += 2.0*electron_mass_c2;
|
|
}
|
|
}
|
|
if(!good) {
|
|
delete dp;
|
|
edep += e;
|
|
}
|
|
}
|
|
if (good) fParticleChange.AddSecondary(dp);
|
|
}
|
|
fParticleChange.ProposeLocalEnergyDeposit(edep);
|
|
}
|
|
|
|
ClearNumberOfInteractionLengthLeft();
|
|
return &fParticleChange;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
G4bool G4VEmProcess::StorePhysicsTable(const G4ParticleDefinition* part,
|
|
const G4String& directory,
|
|
G4bool ascii)
|
|
{
|
|
G4bool yes = true;
|
|
|
|
if ( theLambdaTable && part == particle) {
|
|
const G4String name =
|
|
GetPhysicsTableFileName(part,directory,"Lambda",ascii);
|
|
yes = theLambdaTable->StorePhysicsTable(name,ascii);
|
|
|
|
if ( yes ) {
|
|
G4cout << "Physics tables are stored for " << particle->GetParticleName()
|
|
<< " and process " << GetProcessName()
|
|
<< " in the directory <" << directory
|
|
<< "> " << G4endl;
|
|
} else {
|
|
G4cout << "Fail to store Physics Tables for "
|
|
<< particle->GetParticleName()
|
|
<< " and process " << GetProcessName()
|
|
<< " in the directory <" << directory
|
|
<< "> " << G4endl;
|
|
}
|
|
}
|
|
return yes;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
|
|
|
|
G4bool G4VEmProcess::RetrievePhysicsTable(const G4ParticleDefinition* part,
|
|
const G4String& directory,
|
|
G4bool ascii)
|
|
{
|
|
if(1 < verboseLevel) {
|
|
G4cout << "G4VEmProcess::RetrievePhysicsTable() for "
|
|
<< part->GetParticleName() << " and process "
|
|
<< GetProcessName() << G4endl;
|
|
}
|
|
G4bool yes = true;
|
|
|
|
if(!buildLambdaTable || particle != part) return yes;
|
|
|
|
const G4String particleName = part->GetParticleName();
|
|
G4String filename;
|
|
|
|
filename = GetPhysicsTableFileName(part,directory,"Lambda",ascii);
|
|
yes = G4PhysicsTableHelper::RetrievePhysicsTable(theLambdaTable,
|
|
filename,ascii);
|
|
if ( yes ) {
|
|
if (0 < verboseLevel) {
|
|
G4cout << "Lambda table for " << particleName
|
|
<< " is Retrieved from <"
|
|
<< filename << ">"
|
|
<< G4endl;
|
|
}
|
|
if((G4LossTableManager::Instance())->SplineFlag()) {
|
|
size_t n = theLambdaTable->length();
|
|
for(size_t i=0; i<n; ++i) {
|
|
if((* theLambdaTable)[i]) {
|
|
(* theLambdaTable)[i]->SetSpline(true);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if (1 < verboseLevel) {
|
|
G4cout << "Lambda table for " << particleName << " in file <"
|
|
<< filename << "> is not exist"
|
|
<< G4endl;
|
|
}
|
|
}
|
|
|
|
return yes;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
void G4VEmProcess::ActivateDeexcitation(G4bool val, const G4Region* r)
|
|
{
|
|
G4RegionStore* regionStore = G4RegionStore::GetInstance();
|
|
const G4Region* reg = r;
|
|
if (!reg) {reg = regionStore->GetRegion("DefaultRegionForTheWorld", false);}
|
|
|
|
// the region is in the list
|
|
if (nDERegions) {
|
|
for (G4int i=0; i<nDERegions; ++i) {
|
|
if (reg == deRegions[i]) {
|
|
if(!val) deRegions[i] = 0;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
// new region
|
|
if(val) {
|
|
useDeexcitation = true;
|
|
deRegions.push_back(reg);
|
|
nDERegions++;
|
|
} else {
|
|
useDeexcitation = false;
|
|
}
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
G4double G4VEmProcess::CrossSectionPerVolume(G4double kineticEnergy,
|
|
const G4MaterialCutsCouple* couple)
|
|
{
|
|
// Cross section per atom is calculated
|
|
DefineMaterial(couple);
|
|
G4double cross = 0.0;
|
|
if(theLambdaTable) {
|
|
cross = (((*theLambdaTable)[currentCoupleIndex])->Value(kineticEnergy));
|
|
} else {
|
|
SelectModel(kineticEnergy, currentCoupleIndex);
|
|
cross = currentModel->CrossSectionPerVolume(currentMaterial,
|
|
particle,kineticEnergy);
|
|
}
|
|
|
|
return cross;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
G4double G4VEmProcess::GetMeanFreePath(const G4Track& track,
|
|
G4double,
|
|
G4ForceCondition* condition)
|
|
{
|
|
*condition = NotForced;
|
|
return G4VEmProcess::MeanFreePath(track);
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
void G4VEmProcess::FindLambdaMax()
|
|
{
|
|
if(1 < verboseLevel) {
|
|
G4cout << "### G4VEmProcess::FindLambdaMax: "
|
|
<< particle->GetParticleName()
|
|
<< " and process " << GetProcessName() << G4endl;
|
|
}
|
|
size_t n = theLambdaTable->length();
|
|
G4PhysicsVector* pv = (*theLambdaTable)[0];
|
|
G4double e, s, emax, smax;
|
|
theEnergyOfCrossSectionMax = new G4double [n];
|
|
theCrossSectionMax = new G4double [n];
|
|
|
|
for (size_t i=0; i<n; ++i) {
|
|
pv = (*theLambdaTable)[i];
|
|
emax = DBL_MAX;
|
|
smax = 0.0;
|
|
if(pv) {
|
|
size_t nb = pv->GetVectorLength();
|
|
emax = DBL_MAX;
|
|
smax = 0.0;
|
|
if(nb > 0) {
|
|
for (size_t j=0; j<nb; ++j) {
|
|
e = pv->Energy(j);
|
|
s = (*pv)(j);
|
|
if(s > smax) {
|
|
smax = s;
|
|
emax = e;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
theEnergyOfCrossSectionMax[i] = emax;
|
|
theCrossSectionMax[i] = smax;
|
|
if(2 < verboseLevel) {
|
|
G4cout << "For " << particle->GetParticleName()
|
|
<< " Max CS at i= " << i << " emax(MeV)= " << emax/MeV
|
|
<< " lambda= " << smax << G4endl;
|
|
}
|
|
}
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
G4PhysicsVector* G4VEmProcess::LambdaPhysicsVector(const G4MaterialCutsCouple*)
|
|
{
|
|
G4PhysicsVector* v =
|
|
new G4PhysicsLogVector(minKinEnergy, maxKinEnergy, nLambdaBins);
|
|
v->SetSpline((G4LossTableManager::Instance())->SplineFlag());
|
|
return v;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|