Gabriele Cosmo
848 lines
28 KiB
C++
848 lines
28 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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// $Id: G4VEnergyLossProcess.hh,v 1.43 2005/10/27 14:04:35 vnivanch Exp $
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// GEANT4 tag $Name: geant4-08-00 $
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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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//
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// File name: G4VEnergyLossProcess
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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: 03.01.2002
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//
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// Modifications:
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//
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// 26-12-02 Secondary production moved to derived classes (V.Ivanchenko)
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// 20-01-03 Migrade to cut per region (V.Ivanchenko)
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// 24-01-03 Make models region aware (V.Ivanchenko)
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// 05-02-03 Fix compilation warnings (V.Ivanchenko)
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// 13-02-03 SubCutoffProcessors defined for regions (V.Ivanchenko)
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// 17-02-03 Fix problem of store/restore tables (V.Ivanchenko)
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// 26-02-03 Region dependent step limit (V.Ivanchenko)
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// 26-03-03 Add GetDEDXDispersion (V.Ivanchenko)
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// 09-04-03 Fix problem of negative range limit for non integral (V.Ivanchenko)
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// 13-05-03 Add calculation of precise range (V.Ivanchenko)
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// 21-07-03 Add UpdateEmModel method (V.Ivanchenko)
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// 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko)
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// 14-01-04 Activate precise range calculation (V.Ivanchenko)
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// 10-03-04 Fix problem of step limit calculation (V.Ivanchenko)
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// 30-06-04 make destructor virtual (V.Ivanchenko)
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// 05-07-04 fix problem of GenericIons seen at small cuts (V.Ivanchenko)
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// 03-08-04 Add DEDX table to all processes for control on integral range(V.Ivanchenko)
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// 06-08-04 Clear up names of member functions (V.Ivanchenko)
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// 27-08-04 Add NeedBuildTables method (V.Ivanchneko)
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// 09-09-04 Bug fix for the integral mode with 2 peaks (V.Ivanchneko)
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// 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivanchenko)
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// 08-04-05 Major optimisation of internal interfaces (V.Ivanchenko)
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// 11-04-05 Use MaxSecondaryEnergy from a model (V.Ivanchenko)
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//
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// Class Description:
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//
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// It is the unified energy loss process it calculates the continuous
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// energy loss for charged particles using a set of Energy Loss
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// models valid for different energy regions. There are a possibility
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// to create and access to dE/dx and range tables, or to calculate
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// that information on fly.
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// -------------------------------------------------------------------
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//
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#ifndef G4VEnergyLossProcess_h
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#define G4VEnergyLossProcess_h 1
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#include "G4VContinuousDiscreteProcess.hh"
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#include "globals.hh"
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#include "G4Material.hh"
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#include "G4MaterialCutsCouple.hh"
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#include "G4Track.hh"
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#include "G4EmModelManager.hh"
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#include "G4UnitsTable.hh"
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#include "G4ParticleChangeForLoss.hh"
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class G4Step;
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class G4ParticleDefinition;
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class G4VEmModel;
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class G4VEmFluctuationModel;
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class G4DataVector;
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class G4PhysicsTable;
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class G4PhysicsVector;
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class G4Region;
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class G4Navigator;
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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class G4VEnergyLossProcess : public G4VContinuousDiscreteProcess
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{
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public:
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G4VEnergyLossProcess(const G4String& name = "EnergyLoss",
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G4ProcessType type = fElectromagnetic);
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virtual ~G4VEnergyLossProcess();
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//------------------------------------------------------------------------
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// Virtual methods to be implemented in concrete processes
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//------------------------------------------------------------------------
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virtual G4bool IsApplicable(const G4ParticleDefinition& p) = 0;
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virtual void PrintInfo() = 0;
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protected:
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virtual std::vector<G4DynamicParticle*>* SecondariesPostStep(
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G4VEmModel*,
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const G4MaterialCutsCouple*,
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const G4DynamicParticle*,
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G4double& tcut) = 0;
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virtual void InitialiseEnergyLossProcess(const G4ParticleDefinition*,
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const G4ParticleDefinition*) = 0;
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//------------------------------------------------------------------------
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// Methods with standard implementation; may be overwritten if needed
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//------------------------------------------------------------------------
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protected:
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virtual G4double MinPrimaryEnergy(const G4ParticleDefinition*,
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const G4Material*, G4double cut);
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virtual void CorrectionsAlongStep(
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const G4MaterialCutsCouple*,
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const G4DynamicParticle*,
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G4double& eloss,
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G4double& length);
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virtual G4double GetMeanFreePath(const G4Track& track,
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G4double previousStepSize,
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G4ForceCondition* condition);
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virtual G4double GetContinuousStepLimit(const G4Track& track,
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G4double previousStepSize,
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G4double currentMinimumStep,
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G4double& currentSafety);
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//------------------------------------------------------------------------
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// Generic methods common to all processes
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//------------------------------------------------------------------------
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public:
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void PrintInfoDefinition();
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void PreparePhysicsTable(const G4ParticleDefinition&);
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void BuildPhysicsTable(const G4ParticleDefinition&);
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G4VParticleChange* AlongStepDoIt(const G4Track&, const G4Step&);
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G4VParticleChange* PostStepDoIt(const G4Track&, const G4Step&);
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G4double SampleRange();
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G4PhysicsTable* BuildDEDXTable();
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G4PhysicsTable* BuildDEDXTableForPreciseRange();
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G4PhysicsTable* BuildLambdaTable();
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G4PhysicsTable* BuildLambdaSubTable();
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void SetBaseParticle(const G4ParticleDefinition* p);
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const G4ParticleDefinition* Particle() const;
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const G4ParticleDefinition* BaseParticle() const;
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const G4ParticleDefinition* SecondaryParticle() const;
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// Binning for dEdx, range, and inverse range tables
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void SetDEDXBinning(G4int nbins);
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// Binning for dEdx, range, and inverse range tables
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void SetDEDXBinningForPreciseRange(G4int nbins);
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// Binning for lambda table
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void SetLambdaBinning(G4int nbins);
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// Min kinetic energy for tables
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void SetMinKinEnergy(G4double e);
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G4double MinKinEnergy() const;
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// Max kinetic energy for tables
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void SetMaxKinEnergy(G4double e);
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G4double MaxKinEnergy() const;
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// Max kinetic energy for tables
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void SetMaxKinEnergyForPreciseRange(G4double e);
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// Store PhysicsTable in a file.
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// Return false in case of failure at I/O
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G4bool StorePhysicsTable(const G4ParticleDefinition*,
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const G4String& directory,
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G4bool ascii = false);
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// Retrieve Physics from a file.
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// (return true if the Physics Table can be build by using file)
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// (return false if the process has no functionality or in case of failure)
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// File name should is constructed as processName+particleName and the
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// should be placed under the directory specifed by the argument.
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G4bool RetrievePhysicsTable(const G4ParticleDefinition*,
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const G4String& directory,
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G4bool ascii);
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// Add EM model coupled with fluctuation model for the region
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void AddEmModel(G4int, G4VEmModel*, G4VEmFluctuationModel* fluc = 0,
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const G4Region* region = 0);
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// Define new energy range for the model identified by the name
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void UpdateEmModel(const G4String&, G4double, G4double);
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// Add subcutoff processor for the region
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void ActivateSubCutoff(G4bool val, const G4Region* region = 0);
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// Activate deexcitation code
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virtual void ActivateDeexcitation(G4bool, const G4Region* region = 0);
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void SetDEDXTable(G4PhysicsTable* p);
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G4PhysicsTable* DEDXTable() const;
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void SetDEDXunRestrictedTable(G4PhysicsTable* p);
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G4PhysicsTable* DEDXunRestrictedTable() const;
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void SetPreciseRangeTable(G4PhysicsTable* pRange);
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G4PhysicsTable* PreciseRangeTable() const;
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void SetRangeTableForLoss(G4PhysicsTable* p);
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G4PhysicsTable* RangeTableForLoss() const;
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void SetInverseRangeTable(G4PhysicsTable* p);
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G4PhysicsTable* InverseRangeTable() const;
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void SetSecondaryRangeTable(G4PhysicsTable* p);
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void SetLambdaTable(G4PhysicsTable* p);
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G4PhysicsTable* LambdaTable();
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void SetSubLambdaTable(G4PhysicsTable* p);
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G4PhysicsTable* SubLambdaTable();
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// Return values for particle
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G4double GetDEDX(G4double& kineticEnergy, const G4MaterialCutsCouple* couple);
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G4double GetRange(G4double& kineticEnergy, const G4MaterialCutsCouple* couple);
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G4double GetRangeForLoss(G4double& kineticEnergy, const G4MaterialCutsCouple* couple);
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G4double GetKineticEnergy(G4double& range, const G4MaterialCutsCouple* couple);
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G4double GetLambda(G4double& kineticEnergy, const G4MaterialCutsCouple* couple);
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G4double GetDEDXDispersion(const G4MaterialCutsCouple *couple,
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const G4DynamicParticle* dp,
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G4double length);
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G4double MicroscopicCrossSection(G4double kineticEnergy,
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const G4MaterialCutsCouple* couple);
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void SetLossFluctuations(G4bool val);
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void SetRandomStep(G4bool val);
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void SetIntegral(G4bool val);
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G4bool IsIntegral() const;
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// Redefine parameteters for stepping control
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//
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void SetLinearLossLimit(G4double val);
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void SetMinSubRange(G4double val);
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void SetStepLimits(G4double v1, G4double v2);
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void SetStepFunction(G4double v1, G4double v2);
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void SetLambdaFactor(G4double val);
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G4bool TablesAreBuilt() const;
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G4int NumberOfSubCutoffRegions() const;
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// Helper functions
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G4double MeanFreePath(const G4Track& track,
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G4double previousStepSize,
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G4ForceCondition* condition);
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G4double ContinuousStepLimit(const G4Track& track,
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G4double previousStepSize,
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G4double currentMinimumStep,
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G4double& currentSafety);
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// reset NumberOfInteractionLengthLeft
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void ResetNumberOfInteractionLengthLeft();
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G4VEmModel* SelectModelForMaterial(G4double kinEnergy, size_t& idx) const;
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void SetIonisation(G4bool val);
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G4bool IsIonisationProcess() const;
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void AddCollaborativeProcess(G4VEnergyLossProcess*);
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void AddSubCutoffSecondaries(std::vector<G4Track*>&, const G4Step&,
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G4double& eloss, G4double& escaled);
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void SampleSubCutSecondaries(std::vector<G4Track*>&, const G4Step&,
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G4double& eloss, G4VEmModel* model);
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protected:
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void SetParticle(const G4ParticleDefinition* p);
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void SetSecondaryParticle(const G4ParticleDefinition* p);
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G4PhysicsVector* DEDXPhysicsVector(const G4MaterialCutsCouple*);
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G4PhysicsVector* DEDXPhysicsVectorForPreciseRange(const G4MaterialCutsCouple*);
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G4PhysicsVector* LambdaPhysicsVector(const G4MaterialCutsCouple*);
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G4PhysicsVector* SubLambdaPhysicsVector(const G4MaterialCutsCouple*);
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G4VEmModel* SelectModel(G4double kinEnergy);
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size_t CurrentMaterialCutsCoupleIndex() const;
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// Set scaling parameters
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//
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void SetMassRatio(G4double val);
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void SetReduceFactor(G4double val);
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void SetChargeSquare(G4double val);
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void SetChargeSquareRatio(G4double val);
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G4double GetCurrentRange() const;
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private:
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// Clear tables
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void Clear();
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void DefineMaterial(const G4MaterialCutsCouple* couple);
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// Returnd values for scaled energy and base particles mass
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//
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G4double GetDEDXForScaledEnergy(G4double scaledKinEnergy);
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G4double GetScaledRangeForScaledEnergy(G4double scaledKinEnergy);
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G4double GetLimitScaledRangeForScaledEnergy(G4double scaledKinEnergy);
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G4double GetLambdaForScaledEnergy(G4double scaledKinEnergy);
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G4double ScaledKinEnergyForLoss(G4double range);
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void ComputeLambdaForScaledEnergy(G4double scaledKinEnergy);
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// hide assignment operator
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G4VEnergyLossProcess(G4VEnergyLossProcess &);
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G4VEnergyLossProcess & operator=(const G4VEnergyLossProcess &right);
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// =====================================================================
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protected:
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G4ParticleChangeForLoss fParticleChange;
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private:
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G4EmModelManager* modelManager;
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std::vector<const G4Region*> scoffRegions;
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G4int nSCoffRegions;
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G4int* idxSCoffRegions;
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std::vector<G4Track*> scTracks;
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std::vector<G4VEnergyLossProcess*> scProcesses;
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G4int nProcesses;
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// tables and vectors
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G4PhysicsTable* theDEDXTable;
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G4PhysicsTable* theRangeTableForLoss;
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G4PhysicsTable* theDEDXunRestrictedTable;
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G4PhysicsTable* thePreciseRangeTable;
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G4PhysicsTable* theSecondaryRangeTable;
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G4PhysicsTable* theInverseRangeTable;
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G4PhysicsTable* theLambdaTable;
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G4PhysicsTable* theSubLambdaTable;
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G4double* theDEDXAtMaxEnergy;
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G4double* theRangeAtMaxEnergy;
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G4double* theEnergyOfCrossSectionMax;
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G4double* theCrossSectionMax;
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const G4DataVector* theCuts;
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const G4DataVector* theSubCuts;
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G4Navigator* navigator;
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const G4ParticleDefinition* particle;
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const G4ParticleDefinition* baseParticle;
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const G4ParticleDefinition* secondaryParticle;
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const G4ParticleDefinition* thePositron;
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// cash
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const G4Material* currentMaterial;
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const G4MaterialCutsCouple* currentCouple;
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size_t currentMaterialIndex;
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G4double minStepLimit;
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G4int nDEDXBins;
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G4int nDEDXBinsForRange;
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G4int nLambdaBins;
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G4int nWarnings;
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G4double lowestKinEnergy;
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G4double minKinEnergy;
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G4double maxKinEnergy;
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G4double maxKinEnergyForRange;
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G4double massRatio;
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G4double reduceFactor;
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G4double chargeSquare;
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G4double chargeSqRatio;
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G4double preStepLambda;
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G4double preStepMFP;
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G4double fRange;
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G4double preStepKinEnergy;
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G4double preStepScaledEnergy;
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G4double linLossLimit;
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G4double minSubRange;
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G4double dRoverRange;
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G4double finalRange;
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G4double lambdaFactor;
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G4double mfpKinEnergy;
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G4bool lossFluctuationFlag;
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G4bool lossFluctuationArePossible;
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G4bool rndmStepFlag;
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G4bool tablesAreBuilt;
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G4bool integral;
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G4bool meanFreePath;
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G4bool aboveCSmax;
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G4bool isIonisation;
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G4bool useSubCutoff;
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline void G4VEnergyLossProcess::DefineMaterial(const G4MaterialCutsCouple* couple)
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{
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if(couple != currentCouple) {
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currentCouple = couple;
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currentMaterial = couple->GetMaterial();
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currentMaterialIndex = couple->GetIndex();
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minStepLimit = std::min(finalRange,
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currentCouple->GetProductionCuts()->GetProductionCut(idxG4ElectronCut));
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if(!meanFreePath) ResetNumberOfInteractionLengthLeft();
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4VEnergyLossProcess::GetDEDX(G4double& kineticEnergy,
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const G4MaterialCutsCouple* couple)
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{
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DefineMaterial(couple);
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return GetDEDXForScaledEnergy(kineticEnergy*massRatio);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4VEnergyLossProcess::GetDEDXForScaledEnergy(G4double e)
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{
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G4bool b;
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G4double x = ((*theDEDXTable)[currentMaterialIndex]->GetValue(e, b))*chargeSqRatio;
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if(e < minKinEnergy) x *= std::sqrt(e/minKinEnergy);
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return x;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4VEnergyLossProcess::GetRange(G4double& kineticEnergy,
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const G4MaterialCutsCouple* couple)
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{
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DefineMaterial(couple);
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G4double x = DBL_MAX;
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if(thePreciseRangeTable)
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x = GetLimitScaledRangeForScaledEnergy(kineticEnergy*massRatio);
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else if(theRangeTableForLoss)
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x = GetScaledRangeForScaledEnergy(kineticEnergy*massRatio);
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return x*reduceFactor;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4VEnergyLossProcess::GetLimitScaledRangeForScaledEnergy(G4double e)
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{
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G4bool b;
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G4double x;
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if (e < maxKinEnergyForRange) {
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x = ((*thePreciseRangeTable)[currentMaterialIndex])->GetValue(e, b);
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if(e < minKinEnergy) x *= std::sqrt(e/minKinEnergy);
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|
|
|
} else {
|
|
x = theRangeAtMaxEnergy[currentMaterialIndex] +
|
|
(e - maxKinEnergyForRange)/theDEDXAtMaxEnergy[currentMaterialIndex];
|
|
}
|
|
return x;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4double G4VEnergyLossProcess::GetRangeForLoss(G4double& kineticEnergy,
|
|
const G4MaterialCutsCouple* couple)
|
|
{
|
|
DefineMaterial(couple);
|
|
G4double x = DBL_MAX;
|
|
if(theRangeTableForLoss) x = GetScaledRangeForScaledEnergy(kineticEnergy*massRatio);
|
|
return x*reduceFactor;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4double G4VEnergyLossProcess::GetScaledRangeForScaledEnergy(G4double e)
|
|
{
|
|
G4bool b;
|
|
G4double x = ((*theRangeTableForLoss)[currentMaterialIndex])->GetValue(e, b);
|
|
if(e < minKinEnergy) x *= std::sqrt(e/minKinEnergy);
|
|
return x;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4double G4VEnergyLossProcess::GetKineticEnergy(G4double& range,
|
|
const G4MaterialCutsCouple* couple)
|
|
{
|
|
DefineMaterial(couple);
|
|
G4double r = range/reduceFactor;
|
|
G4double e = ScaledKinEnergyForLoss(r)/massRatio;
|
|
return e;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4double G4VEnergyLossProcess::ScaledKinEnergyForLoss(G4double r)
|
|
{
|
|
G4PhysicsVector* v = (*theInverseRangeTable)[currentMaterialIndex];
|
|
G4double rmin = v->GetLowEdgeEnergy(0);
|
|
G4double e = minKinEnergy;
|
|
if(r <= rmin) {
|
|
r /= rmin;
|
|
e *= r*r;
|
|
} else {
|
|
G4bool b;
|
|
e = v->GetValue(r, b);
|
|
}
|
|
return e;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4double G4VEnergyLossProcess::GetDEDXDispersion(
|
|
const G4MaterialCutsCouple *couple,
|
|
const G4DynamicParticle* dp,
|
|
G4double length)
|
|
{
|
|
DefineMaterial(couple);
|
|
G4double ekin = dp->GetKineticEnergy();
|
|
G4VEmModel* currentModel = SelectModel(ekin*massRatio);
|
|
G4double tmax = currentModel->MaxSecondaryKinEnergy(dp);
|
|
tmax = std::min(tmax,(*theCuts)[currentMaterialIndex]);
|
|
G4double d = 0.0;
|
|
G4VEmFluctuationModel* fm = currentModel->GetModelOfFluctuations();
|
|
if(fm) d = fm->Dispersion(currentMaterial,dp,tmax,length);
|
|
return d;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4double G4VEnergyLossProcess::GetLambda(G4double& kineticEnergy,
|
|
const G4MaterialCutsCouple* couple)
|
|
{
|
|
DefineMaterial(couple);
|
|
G4double x = 0.0;
|
|
if(theLambdaTable) x = GetLambdaForScaledEnergy(kineticEnergy*massRatio);
|
|
return x;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4double G4VEnergyLossProcess::GetLambdaForScaledEnergy(G4double e)
|
|
{
|
|
G4bool b;
|
|
return chargeSqRatio*(((*theLambdaTable)[currentMaterialIndex])->GetValue(e, b));
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline void G4VEnergyLossProcess::ComputeLambdaForScaledEnergy(G4double e)
|
|
{
|
|
meanFreePath = false;
|
|
aboveCSmax = false;
|
|
mfpKinEnergy = theEnergyOfCrossSectionMax[currentMaterialIndex];
|
|
if (e <= mfpKinEnergy) {
|
|
preStepLambda = GetLambdaForScaledEnergy(e);
|
|
} else {
|
|
aboveCSmax = true;
|
|
G4double e1 = e*lambdaFactor;
|
|
if(e1 > mfpKinEnergy) {
|
|
preStepLambda = GetLambdaForScaledEnergy(e);
|
|
G4double preStepLambda1 = GetLambdaForScaledEnergy(e1);
|
|
if(preStepLambda1 > preStepLambda) {
|
|
mfpKinEnergy = e1;
|
|
preStepLambda = preStepLambda1;
|
|
}
|
|
} else {
|
|
preStepLambda = chargeSqRatio*theCrossSectionMax[currentMaterialIndex];
|
|
}
|
|
}
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4double G4VEnergyLossProcess::GetMeanFreePath(const G4Track& track,
|
|
G4double,
|
|
G4ForceCondition* condition)
|
|
{
|
|
*condition = NotForced;
|
|
preStepKinEnergy = track.GetKineticEnergy();
|
|
preStepScaledEnergy = preStepKinEnergy*massRatio;
|
|
if(aboveCSmax && preStepScaledEnergy < mfpKinEnergy) ResetNumberOfInteractionLengthLeft();
|
|
DefineMaterial(track.GetMaterialCutsCouple());
|
|
if (meanFreePath) {
|
|
if (integral) ComputeLambdaForScaledEnergy(preStepScaledEnergy);
|
|
else preStepLambda = GetLambdaForScaledEnergy(preStepScaledEnergy);
|
|
if(0.0 < preStepLambda) preStepMFP = 1.0/preStepLambda;
|
|
else preStepMFP = DBL_MAX;
|
|
}
|
|
// G4cout<<GetProcessName()<<": e= "<<preStepKinEnergy<< " eCSmax= " <<mfpKinEnergy<< " mfp= "<<preStepMFP<<G4endl;
|
|
return preStepMFP;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4double G4VEnergyLossProcess::GetContinuousStepLimit(const G4Track&,
|
|
G4double, G4double currentMinStep, G4double&)
|
|
{
|
|
G4double x = DBL_MAX;
|
|
if(theRangeTableForLoss) {
|
|
fRange = GetScaledRangeForScaledEnergy(preStepScaledEnergy)*reduceFactor;
|
|
|
|
x = fRange;
|
|
G4double y = x*dRoverRange;
|
|
|
|
if(x > minStepLimit && y < currentMinStep ) {
|
|
x = y + minStepLimit*(1.0 - dRoverRange)*(2.0 - minStepLimit/fRange);
|
|
// G4cout<<GetProcessName()<<": e= "<<preStepKinEnergy<<" range= "<<fRange
|
|
// <<" cMinSt="<<currentMinStep <<" minStepLimit= " << minStepLimit<< G4endl;
|
|
} else if (rndmStepFlag) x = SampleRange();
|
|
}
|
|
// G4cout<<GetProcessName()<<": e= "<<preStepKinEnergy<<" stepLimit= "<<x<<G4endl;
|
|
return x;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4double G4VEnergyLossProcess::SampleRange()
|
|
{
|
|
return fRange;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline void G4VEnergyLossProcess::ResetNumberOfInteractionLengthLeft()
|
|
{
|
|
meanFreePath = true;
|
|
aboveCSmax = false;
|
|
G4VProcess::ResetNumberOfInteractionLengthLeft();
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4double G4VEnergyLossProcess::MinPrimaryEnergy(const G4ParticleDefinition*,
|
|
const G4Material*,
|
|
G4double cut)
|
|
{
|
|
return cut;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4VEmModel* G4VEnergyLossProcess::SelectModel(G4double kinEnergy)
|
|
{
|
|
return modelManager->SelectModel(kinEnergy, currentMaterialIndex);
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4VEmModel* G4VEnergyLossProcess::SelectModelForMaterial(
|
|
G4double kinEnergy, size_t& idx) const
|
|
{
|
|
return modelManager->SelectModel(kinEnergy, idx);
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline const G4ParticleDefinition* G4VEnergyLossProcess::Particle() const
|
|
{
|
|
return particle;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline const G4ParticleDefinition* G4VEnergyLossProcess::BaseParticle() const
|
|
{
|
|
return baseParticle;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline const G4ParticleDefinition* G4VEnergyLossProcess::SecondaryParticle() const
|
|
{
|
|
return secondaryParticle;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline void G4VEnergyLossProcess::CorrectionsAlongStep(
|
|
const G4MaterialCutsCouple*,
|
|
const G4DynamicParticle*,
|
|
G4double&,
|
|
G4double&)
|
|
{}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4PhysicsTable* G4VEnergyLossProcess::DEDXTable() const
|
|
{
|
|
return theDEDXTable;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4PhysicsTable* G4VEnergyLossProcess::DEDXunRestrictedTable() const
|
|
{
|
|
return theDEDXunRestrictedTable;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4PhysicsTable* G4VEnergyLossProcess::PreciseRangeTable() const
|
|
{
|
|
return thePreciseRangeTable;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4PhysicsTable* G4VEnergyLossProcess::RangeTableForLoss() const
|
|
{
|
|
return theRangeTableForLoss;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4PhysicsTable* G4VEnergyLossProcess::InverseRangeTable() const
|
|
{
|
|
return theInverseRangeTable;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4PhysicsTable* G4VEnergyLossProcess::LambdaTable()
|
|
{
|
|
return theLambdaTable;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4PhysicsTable* G4VEnergyLossProcess::SubLambdaTable()
|
|
{
|
|
return theSubLambdaTable;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4bool G4VEnergyLossProcess::IsIntegral() const
|
|
{
|
|
return integral;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline size_t G4VEnergyLossProcess::CurrentMaterialCutsCoupleIndex() const
|
|
{
|
|
return currentMaterialIndex;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline void G4VEnergyLossProcess::SetMassRatio(G4double val)
|
|
{
|
|
massRatio = val;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline void G4VEnergyLossProcess::SetReduceFactor(G4double val)
|
|
{
|
|
reduceFactor = val;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline void G4VEnergyLossProcess::SetChargeSquare(G4double val)
|
|
{
|
|
chargeSquare = val;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline void G4VEnergyLossProcess::SetChargeSquareRatio(G4double val)
|
|
{
|
|
chargeSqRatio = val;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline G4double G4VEnergyLossProcess::GetCurrentRange() const
|
|
{
|
|
return fRange;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline void G4VEnergyLossProcess::AddCollaborativeProcess(G4VEnergyLossProcess* p)
|
|
{
|
|
scProcesses.push_back(p);
|
|
useSubCutoff = true;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
inline void G4VEnergyLossProcess::AddSubCutoffSecondaries(std::vector<G4Track*>& tracks,
|
|
const G4Step& step, G4double& eloss, G4double& escaled)
|
|
{
|
|
if(idxSCoffRegions[currentMaterialIndex])
|
|
SampleSubCutSecondaries(tracks, step, eloss, SelectModel(escaled));
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
#endif
|