Gabriele Cosmo
251 lines
8.2 KiB
C++
251 lines
8.2 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: G4HadronicProcess.hh 97172 2016-05-27 12:37:57Z gcosmo $
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//
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// -------------------------------------------------------------------
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//
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// GEANT4 Class header file
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//
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// G4HadronicProcess
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//
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// This is the top level Hadronic Process class
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// The inelastic, elastic, capture, and fission processes
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// should derive from this class
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//
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// original by H.P.Wellisch
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// J.L. Chuma, TRIUMF, 10-Mar-1997
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// Last modified: 04-Apr-1997
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// 19-May-2008 V.Ivanchenko cleanup and added comments
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// 05-Jul-2010 V.Ivanchenko cleanup commented lines
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// 28-Jul-2012 M.Maire add function GetTargetDefinition()
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// 14-Sep-2012 Inherit from RestDiscrete, use subtype code (now in ctor) to
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// configure base-class
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// 28-Sep-2012 M. Kelsey -- Undo inheritance change, keep new ctor
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#ifndef G4HadronicProcess_h
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#define G4HadronicProcess_h 1
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#include "globals.hh"
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#include "G4VDiscreteProcess.hh"
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#include "G4EnergyRangeManager.hh"
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#include "G4Nucleus.hh"
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#include "G4ReactionProduct.hh"
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#include <vector>
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#include "G4VCrossSectionDataSet.hh"
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#include "G4VLeadingParticleBiasing.hh"
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#include "G4CrossSectionDataStore.hh"
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#include "G4HadronicProcessType.hh"
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class G4Track;
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class G4Step;
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class G4Element;
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class G4ParticleChange;
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class G4HadronicProcessStore;
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class G4HadronicProcess : public G4VDiscreteProcess
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{
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public:
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G4HadronicProcess(const G4String& processName="Hadronic",
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G4ProcessType procType=fHadronic);
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// Preferred signature for subclasses, specifying their subtype here
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G4HadronicProcess(const G4String& processName,
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G4HadronicProcessType subType);
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virtual ~G4HadronicProcess();
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// register generator of secondaries
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void RegisterMe(G4HadronicInteraction* a);
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// get cross section per element
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G4double GetElementCrossSection(const G4DynamicParticle * part,
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const G4Element * elm,
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const G4Material* mat = nullptr);
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// obsolete method to get cross section per element
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inline
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G4double GetMicroscopicCrossSection(const G4DynamicParticle * part,
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const G4Element * elm,
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const G4Material* mat = nullptr)
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{ return GetElementCrossSection(part, elm, mat); }
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// generic PostStepDoIt recommended for all derived classes
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virtual G4VParticleChange* PostStepDoIt(const G4Track& aTrack,
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const G4Step& aStep);
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// initialisation of physics tables and G4HadronicProcessStore
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virtual void PreparePhysicsTable(const G4ParticleDefinition&);
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// build physics tables and print out the configuration of the process
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virtual void BuildPhysicsTable(const G4ParticleDefinition&);
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// dump physics tables
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inline void DumpPhysicsTable(const G4ParticleDefinition& p)
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{ theCrossSectionDataStore->DumpPhysicsTable(p); }
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// add cross section data set
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inline void AddDataSet(G4VCrossSectionDataSet * aDataSet)
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{ theCrossSectionDataStore->AddDataSet(aDataSet);}
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// access to the list of hadronic interactions
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std::vector<G4HadronicInteraction*>& GetHadronicInteractionList()
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{ return theEnergyRangeManager.GetHadronicInteractionList(); }
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// get inverse cross section per volume
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G4double GetMeanFreePath(const G4Track &aTrack, G4double,
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G4ForceCondition *);
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// access to the target nucleus
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inline const G4Nucleus* GetTargetNucleus() const
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{ return &targetNucleus; }
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// G4ParticleDefinition* GetTargetDefinition();
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inline const G4Isotope* GetTargetIsotope()
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{ return targetNucleus.GetIsotope(); }
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virtual void ProcessDescription(std::ostream& outFile) const;
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protected:
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// generic method to choose secondary generator
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// recommended for all derived classes
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inline G4HadronicInteraction* ChooseHadronicInteraction(
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const G4HadProjectile & aHadProjectile, G4Nucleus & aTargetNucleus,
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G4Material* aMaterial, G4Element* anElement)
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{ return theEnergyRangeManager.GetHadronicInteraction(aHadProjectile,
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aTargetNucleus,
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aMaterial,anElement);
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}
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// access to the target nucleus
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inline G4Nucleus* GetTargetNucleusPointer()
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{ return &targetNucleus; }
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public:
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void BiasCrossSectionByFactor(G4double aScale);
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// Integral option
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inline void SetIntegral(G4bool val)
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{ useIntegralXS = val; }
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// Energy-momentum non-conservation limits and reporting
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inline void SetEpReportLevel(G4int level)
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{ epReportLevel = level; }
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inline void SetEnergyMomentumCheckLevels(G4double relativeLevel, G4double absoluteLevel)
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{ epCheckLevels.first = relativeLevel;
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epCheckLevels.second = absoluteLevel;
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levelsSetByProcess = true;
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}
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inline std::pair<G4double, G4double> GetEnergyMomentumCheckLevels() const
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{ return epCheckLevels; }
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// access to the cross section data store
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inline G4CrossSectionDataStore* GetCrossSectionDataStore()
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{return theCrossSectionDataStore;}
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inline void MultiplyCrossSectionBy(G4double factor)
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{ aScaleFactor = factor; }
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protected:
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void DumpState(const G4Track&, const G4String&, G4ExceptionDescription&);
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// access to the chosen generator
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inline G4HadronicInteraction* GetHadronicInteraction() const
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{ return theInteraction; }
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// access to the cross section data set
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inline G4double GetLastCrossSection()
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{ return theLastCrossSection; }
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// fill result
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void FillResult(G4HadFinalState* aR, const G4Track& aT);
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// Check the result for catastrophic energy non-conservation
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G4HadFinalState* CheckResult(const G4HadProjectile& thePro,
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const G4Nucleus& targetNucleus,
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G4HadFinalState* result);
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// Check 4-momentum balance
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void CheckEnergyMomentumConservation(const G4Track&, const G4Nucleus&);
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private:
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G4double XBiasSurvivalProbability();
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G4double XBiasSecondaryWeight();
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// hide assignment operator as private
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G4HadronicProcess& operator=(const G4HadronicProcess& right);
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G4HadronicProcess(const G4HadronicProcess&);
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// Set E/p conservation check levels from environment variables
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void GetEnergyMomentumCheckEnvvars();
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protected:
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G4HadProjectile thePro;
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G4ParticleChange* theTotalResult;
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G4int epReportLevel;
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private:
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G4EnergyRangeManager theEnergyRangeManager;
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G4HadronicInteraction* theInteraction;
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G4CrossSectionDataStore* theCrossSectionDataStore;
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G4HadronicProcessStore* theProcessStore;
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G4Nucleus targetNucleus;
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bool G4HadronicProcess_debug_flag;
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bool useIntegralXS;
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G4int nMatWarn;
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// Energy-momentum checking
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std::pair<G4double, G4double> epCheckLevels;
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G4bool levelsSetByProcess;
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std::vector<G4VLeadingParticleBiasing *> theBias;
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G4double theInitialNumberOfInteractionLength;
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G4double aScaleFactor;
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G4bool xBiasOn;
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G4double theLastCrossSection;
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};
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#endif
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