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geant4/source/processes/electromagnetic/utils/include/G4VEnergyLossProcess.hh
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Gabriele Cosmo fe73f43734 Import Geant4 8.2.0 source tree
2016-06-09 14:55:03 +02:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4VEnergyLossProcess.hh,v 1.57 2006/08/15 16:21:39 vnivanch Exp $
// GEANT4 tag $Name: geant4-08-02 $
//
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name: G4VEnergyLossProcess
//
// Author: Vladimir Ivanchenko on base of Laszlo Urban code
//
// Creation date: 03.01.2002
//
// Modifications:
//
// 26-12-02 Secondary production moved to derived classes (V.Ivanchenko)
// 20-01-03 Migrade to cut per region (V.Ivanchenko)
// 24-01-03 Make models region aware (V.Ivanchenko)
// 05-02-03 Fix compilation warnings (V.Ivanchenko)
// 13-02-03 SubCutoffProcessors defined for regions (V.Ivanchenko)
// 17-02-03 Fix problem of store/restore tables (V.Ivanchenko)
// 26-02-03 Region dependent step limit (V.Ivanchenko)
// 26-03-03 Add GetDEDXDispersion (V.Ivanchenko)
// 09-04-03 Fix problem of negative range limit for non integral (V.Ivanchenko)
// 13-05-03 Add calculation of precise range (V.Ivanchenko)
// 21-07-03 Add UpdateEmModel method (V.Ivanchenko)
// 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko)
// 14-01-04 Activate precise range calculation (V.Ivanchenko)
// 10-03-04 Fix problem of step limit calculation (V.Ivanchenko)
// 30-06-04 make destructor virtual (V.Ivanchenko)
// 05-07-04 fix problem of GenericIons seen at small cuts (V.Ivanchenko)
// 03-08-04 Add DEDX table to all processes for control on integral range(VI)
// 06-08-04 Clear up names of member functions (V.Ivanchenko)
// 27-08-04 Add NeedBuildTables method (V.Ivanchneko)
// 09-09-04 Bug fix for the integral mode with 2 peaks (V.Ivanchneko)
// 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivanchenko)
// 08-04-05 Major optimisation of internal interfaces (V.Ivanchenko)
// 11-04-05 Use MaxSecondaryEnergy from a model (V.Ivanchenko)
// 10-01-05 Remove SetStepLimits (V.Ivanchenko)
// 10-01-06 PreciseRange -> CSDARange (V.Ivantchenko)
// 13-01-06 Remove AddSubCutSecondaries and cleanup (V.Ivantchenko)
// 20-01-06 Introduce G4EmTableType and reducing number of methods (VI)
// 26-01-06 Add public method GetCSDARange (V.Ivanchenko)
// 22-03-06 Add SetDynamicMassCharge (V.Ivanchenko)
// 23-03-06 Use isIonisation flag (V.Ivanchenko)
// 13-05-06 Add method to access model by index (V.Ivanchenko)
//
// Class Description:
//
// It is the unified energy loss process it calculates the continuous
// energy loss for charged particles using a set of Energy Loss
// models valid for different energy regions. There are a possibility
// to create and access to dE/dx and range tables, or to calculate
// that information on fly.
// -------------------------------------------------------------------
//
#ifndef G4VEnergyLossProcess_h
#define G4VEnergyLossProcess_h 1
#include "G4VContinuousDiscreteProcess.hh"
#include "globals.hh"
#include "G4Material.hh"
#include "G4MaterialCutsCouple.hh"
#include "G4Track.hh"
#include "G4EmModelManager.hh"
#include "G4UnitsTable.hh"
#include "G4ParticleChangeForLoss.hh"
#include "G4EmTableType.hh"
#include "G4PhysicsTable.hh"
#include "G4PhysicsVector.hh"
class G4Step;
class G4ParticleDefinition;
class G4VEmModel;
class G4VEmFluctuationModel;
class G4DataVector;
class G4Region;
class G4Navigator;
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
class G4VEnergyLossProcess : public G4VContinuousDiscreteProcess
{
public:
G4VEnergyLossProcess(const G4String& name = "EnergyLoss",
G4ProcessType type = fElectromagnetic);
virtual ~G4VEnergyLossProcess();
//------------------------------------------------------------------------
// Virtual methods to be implemented in concrete processes
//------------------------------------------------------------------------
virtual G4bool IsApplicable(const G4ParticleDefinition& p) = 0;
virtual void PrintInfo() = 0;
protected:
virtual std::vector<G4DynamicParticle*>* SecondariesPostStep(
G4VEmModel*,
const G4MaterialCutsCouple*,
const G4DynamicParticle*,
G4double& tcut) = 0;
virtual void InitialiseEnergyLossProcess(const G4ParticleDefinition*,
const G4ParticleDefinition*) = 0;
//------------------------------------------------------------------------
// Methods with standard implementation; may be overwritten if needed
//------------------------------------------------------------------------
protected:
virtual G4double MinPrimaryEnergy(const G4ParticleDefinition*,
const G4Material*, G4double cut);
virtual void CorrectionsAlongStep(
const G4MaterialCutsCouple*,
const G4DynamicParticle*,
G4double& eloss,
G4double& length);
virtual G4double GetMeanFreePath(const G4Track& track,
G4double previousStepSize,
G4ForceCondition* condition);
virtual G4double GetContinuousStepLimit(const G4Track& track,
G4double previousStepSize,
G4double currentMinimumStep,
G4double& currentSafety);
//------------------------------------------------------------------------
// Generic methods common to all processes
//------------------------------------------------------------------------
public:
void PrintInfoDefinition();
void PreparePhysicsTable(const G4ParticleDefinition&);
void BuildPhysicsTable(const G4ParticleDefinition&);
G4VParticleChange* AlongStepDoIt(const G4Track&, const G4Step&);
G4VParticleChange* PostStepDoIt(const G4Track&, const G4Step&);
G4double SampleRange();
G4PhysicsTable* BuildDEDXTable(G4EmTableType tType = fRestricted);
G4PhysicsTable* BuildLambdaTable(G4EmTableType tType = fRestricted);
void SetBaseParticle(const G4ParticleDefinition* p);
const G4ParticleDefinition* Particle() const;
const G4ParticleDefinition* BaseParticle() const;
const G4ParticleDefinition* SecondaryParticle() const;
// Binning for dEdx, range, and inverse range tables
void SetDEDXBinning(G4int nbins);
void SetLambdaBinning(G4int nbins);
// Binning for dEdx, range, and inverse range tables
void SetDEDXBinningForCSDARange(G4int nbins);
// Min kinetic energy for tables
void SetMinKinEnergy(G4double e);
G4double MinKinEnergy() const;
// Max kinetic energy for tables
void SetMaxKinEnergy(G4double e);
G4double MaxKinEnergy() const;
// Max kinetic energy for tables
void SetMaxKinEnergyForCSDARange(G4double e);
// Store PhysicsTable in a file.
// Return false in case of failure at I/O
G4bool StorePhysicsTable(const G4ParticleDefinition*,
const G4String& directory,
G4bool ascii = false);
// Retrieve Physics from a file.
// (return true if the Physics Table can be build by using file)
// (return false if the process has no functionality or in case of failure)
// File name should is constructed as processName+particleName and the
// should be placed under the directory specifed by the argument.
G4bool RetrievePhysicsTable(const G4ParticleDefinition*,
const G4String& directory,
G4bool ascii);
// Add EM model coupled with fluctuation model for the region
void AddEmModel(G4int, G4VEmModel*, G4VEmFluctuationModel* fluc = 0,
const G4Region* region = 0);
// Define new energy range for the model identified by the name
void UpdateEmModel(const G4String&, G4double, G4double);
// Add subcutoff processor for the region
void ActivateSubCutoff(G4bool val, const G4Region* region = 0);
// Activate deexcitation code
virtual void ActivateDeexcitation(G4bool, const G4Region* region = 0);
void SetDEDXTable(G4PhysicsTable* p);
G4PhysicsTable* DEDXTable() const;
void SetDEDXTableForSubsec(G4PhysicsTable* p);
G4PhysicsTable* DEDXTableForSubsec() const;
void SetDEDXunRestrictedTable(G4PhysicsTable* p);
G4PhysicsTable* DEDXunRestrictedTable() const;
void SetCSDARangeTable(G4PhysicsTable* pRange);
G4PhysicsTable* CSDARangeTable() const;
void SetRangeTableForLoss(G4PhysicsTable* p);
G4PhysicsTable* RangeTableForLoss() const;
void SetInverseRangeTable(G4PhysicsTable* p);
G4PhysicsTable* InverseRangeTable() const;
void SetSecondaryRangeTable(G4PhysicsTable* p);
void SetLambdaTable(G4PhysicsTable* p);
G4PhysicsTable* LambdaTable();
void SetSubLambdaTable(G4PhysicsTable* p);
G4PhysicsTable* SubLambdaTable();
// Return values for given G4MaterialCutsCouple
G4double GetDEDX(G4double& kineticEnergy, const G4MaterialCutsCouple*);
G4double GetDEDXForSubsec(G4double& kineticEnergy, const G4MaterialCutsCouple*);
G4double GetRange(G4double& kineticEnergy, const G4MaterialCutsCouple*);
G4double GetCSDARange(G4double& kineticEnergy, const G4MaterialCutsCouple*);
G4double GetRangeForLoss(G4double& kineticEnergy, const G4MaterialCutsCouple*);
G4double GetKineticEnergy(G4double& range, const G4MaterialCutsCouple*);
G4double GetLambda(G4double& kineticEnergy, const G4MaterialCutsCouple*);
G4double GetDEDXDispersion(const G4MaterialCutsCouple *couple,
const G4DynamicParticle* dp,
G4double length);
G4double MicroscopicCrossSection(G4double kineticEnergy,
const G4MaterialCutsCouple* couple);
void SetLossFluctuations(G4bool val);
void SetRandomStep(G4bool val);
void SetIntegral(G4bool val);
G4bool IsIntegral() const;
// Redefine parameteters for stepping control
//
void SetLinearLossLimit(G4double val);
void SetMinSubRange(G4double val);
void SetStepFunction(G4double v1, G4double v2);
void SetLambdaFactor(G4double val);
G4bool TablesAreBuilt() const;
G4int NumberOfSubCutoffRegions() const;
// Helper functions
G4double MeanFreePath(const G4Track& track,
G4double previousStepSize,
G4ForceCondition* condition);
G4double ContinuousStepLimit(const G4Track& track,
G4double previousStepSize,
G4double currentMinimumStep,
G4double& currentSafety);
// reset NumberOfInteractionLengthLeft
void ResetNumberOfInteractionLengthLeft();
G4VEmModel* SelectModelForMaterial(G4double kinEnergy, size_t& idx) const;
// Set/Get flag "isIonisation"
void SetIonisation(G4bool val);
G4bool IsIonisationProcess() const;
void AddCollaborativeProcess(G4VEnergyLossProcess*);
void SampleSubCutSecondaries(std::vector<G4Track*>&, const G4Step&,
G4double& cut, G4VEmModel* model);
// Set scaling parameters
void SetDynamicMassCharge(G4double massratio, G4double charge2ratio);
// Access to models
G4VEmModel* GetModelByIndex(G4int idx = 0);
G4int NumberOfModels();
protected:
void SetParticle(const G4ParticleDefinition* p);
void SetSecondaryParticle(const G4ParticleDefinition* p);
G4VEmModel* SelectModel(G4double kinEnergy);
size_t CurrentMaterialCutsCoupleIndex() const;
G4double GetCurrentRange() const;
G4PhysicsVector* LambdaPhysicsVector(const G4MaterialCutsCouple*, G4double cut);
private:
// Clear tables
void Clear();
void DefineMaterial(const G4MaterialCutsCouple* couple);
// Returnd values for scaled energy and base particles mass
//
G4double GetDEDXForScaledEnergy(G4double scaledKinEnergy);
G4double GetSubDEDXForScaledEnergy(G4double scaledKinEnergy);
G4double GetScaledRangeForScaledEnergy(G4double scaledKinEnergy);
G4double GetLimitScaledRangeForScaledEnergy(G4double scaledKinEnergy);
G4double GetLambdaForScaledEnergy(G4double scaledKinEnergy);
G4double ScaledKinEnergyForLoss(G4double range);
void ComputeLambdaForScaledEnergy(G4double scaledKinEnergy);
// hide assignment operator
G4VEnergyLossProcess(G4VEnergyLossProcess &);
G4VEnergyLossProcess & operator=(const G4VEnergyLossProcess &right);
// =====================================================================
protected:
G4ParticleChangeForLoss fParticleChange;
private:
G4EmModelManager* modelManager;
std::vector<const G4Region*> scoffRegions;
G4int nSCoffRegions;
G4int* idxSCoffRegions;
std::vector<G4Track*> scTracks;
std::vector<G4VEnergyLossProcess*> scProcesses;
G4int nProcesses;
// tables and vectors
G4PhysicsTable* theDEDXTable;
G4PhysicsTable* theDEDXSubTable;
G4PhysicsTable* theDEDXunRestrictedTable;
G4PhysicsTable* theRangeTableForLoss;
G4PhysicsTable* theCSDARangeTable;
G4PhysicsTable* theSecondaryRangeTable;
G4PhysicsTable* theInverseRangeTable;
G4PhysicsTable* theLambdaTable;
G4PhysicsTable* theSubLambdaTable;
G4double* theDEDXAtMaxEnergy;
G4double* theRangeAtMaxEnergy;
G4double* theEnergyOfCrossSectionMax;
G4double* theCrossSectionMax;
const G4DataVector* theCuts;
const G4DataVector* theSubCuts;
G4Navigator* navigator;
const G4ParticleDefinition* particle;
const G4ParticleDefinition* baseParticle;
const G4ParticleDefinition* secondaryParticle;
const G4ParticleDefinition* thePositron;
G4PhysicsVector* vstrag;
// cash
const G4Material* currentMaterial;
const G4MaterialCutsCouple* currentCouple;
size_t currentMaterialIndex;
G4int nBins;
G4int nBinsCSDA;
G4int nWarnings;
G4double lowestKinEnergy;
G4double minKinEnergy;
G4double maxKinEnergy;
G4double maxKinEnergyCSDA;
G4double massRatio;
G4double reduceFactor;
G4double chargeSquare;
G4double chargeSqRatio;
G4double preStepLambda;
G4double preStepMFP;
G4double fRange;
G4double preStepKinEnergy;
G4double preStepScaledEnergy;
G4double linLossLimit;
G4double minSubRange;
G4double dRoverRange;
G4double finalRange;
G4double lambdaFactor;
G4double mfpKinEnergy;
G4bool lossFluctuationFlag;
G4bool lossFluctuationArePossible;
G4bool rndmStepFlag;
G4bool tablesAreBuilt;
G4bool integral;
G4bool meanFreePath;
G4bool aboveCSmax;
G4bool isIonisation;
G4bool useSubCutoff;
};
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
inline void G4VEnergyLossProcess::DefineMaterial(
const G4MaterialCutsCouple* couple)
{
if(couple != currentCouple) {
currentCouple = couple;
currentMaterial = couple->GetMaterial();
currentMaterialIndex = couple->GetIndex();
if(!meanFreePath) ResetNumberOfInteractionLengthLeft();
}
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
inline G4double G4VEnergyLossProcess::GetDEDX(G4double& kineticEnergy,
const G4MaterialCutsCouple* couple)
{
DefineMaterial(couple);
return GetDEDXForScaledEnergy(kineticEnergy*massRatio);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
inline G4double G4VEnergyLossProcess::GetDEDXForSubsec(G4double& kineticEnergy,
const G4MaterialCutsCouple* couple)
{
DefineMaterial(couple);
return GetSubDEDXForScaledEnergy(kineticEnergy*massRatio);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
inline G4double G4VEnergyLossProcess::GetDEDXForScaledEnergy(G4double e)
{
G4bool b;
G4double x =
((*theDEDXTable)[currentMaterialIndex]->GetValue(e, b))*chargeSqRatio;
if(e < minKinEnergy) x *= std::sqrt(e/minKinEnergy);
return x;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
inline G4double G4VEnergyLossProcess::GetSubDEDXForScaledEnergy(G4double e)
{
G4bool b;
G4double x =
((*theDEDXSubTable)[currentMaterialIndex]->GetValue(e, b))*chargeSqRatio;
if(e < minKinEnergy) x *= std::sqrt(e/minKinEnergy);
return x;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
inline G4double G4VEnergyLossProcess::GetRange(G4double& kineticEnergy,
const G4MaterialCutsCouple* couple)
{
G4double x = fRange;
if(kineticEnergy != preStepKinEnergy || couple != currentCouple) {
DefineMaterial(couple);
if(theCSDARangeTable)
x = GetLimitScaledRangeForScaledEnergy(kineticEnergy*massRatio)
* reduceFactor;
else if(theRangeTableForLoss)
x = GetScaledRangeForScaledEnergy(kineticEnergy*massRatio)*reduceFactor;
}
return x;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
inline G4double G4VEnergyLossProcess::GetCSDARange(
G4double& kineticEnergy, const G4MaterialCutsCouple* couple)
{
DefineMaterial(couple);
G4double x = DBL_MAX;
if(theCSDARangeTable)
x = GetLimitScaledRangeForScaledEnergy(kineticEnergy*massRatio)
* reduceFactor;
return x;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
inline G4double G4VEnergyLossProcess::GetLimitScaledRangeForScaledEnergy(
G4double e)
{
G4bool b;
G4double x;
if (e < maxKinEnergyCSDA) {
x = ((*theCSDARangeTable)[currentMaterialIndex])->GetValue(e, b);
if(e < minKinEnergy) x *= std::sqrt(e/minKinEnergy);
} else {
x = theRangeAtMaxEnergy[currentMaterialIndex] +
(e - maxKinEnergyCSDA)/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)*reduceFactor;
// G4cout << "Range from " << GetProcessName() << " e= " << kineticEnergy << " r= " << x << G4endl;
return x;
}
//....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(isIonisation) {
fRange = GetScaledRangeForScaledEnergy(preStepScaledEnergy)*reduceFactor;
x = fRange;
G4double y = x*dRoverRange;
if(x > finalRange && y < currentMinStep ) {
x = y + finalRange*(1.0 - dRoverRange)*(2.0 - finalRange/fRange);
// G4cout<<GetProcessName()<<": e= "<<preStepKinEnergy
// <<" range= "<<fRange <<" cMinSt="<<currentMinStep<< G4endl;
} else if (rndmStepFlag) x = SampleRange();
}
// G4cout<<GetProcessName()<<": e= "<<preStepKinEnergy
// <<" stepLimit= "<<x<<G4endl;
return x;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
inline G4double G4VEnergyLossProcess::SampleRange()
{
G4double e = amu_c2*preStepKinEnergy/particle->GetPDGMass();
G4bool b;
G4double s = fRange*std::pow(10.,vstrag->GetValue(e,b));
G4double x = fRange + G4RandGauss::shoot(0.0,s);
if(x > 0.0) fRange = x;
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::DEDXTableForSubsec() const
{
return theDEDXSubTable;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
inline G4PhysicsTable* G4VEnergyLossProcess::DEDXunRestrictedTable() const
{
return theDEDXunRestrictedTable;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
inline G4PhysicsTable* G4VEnergyLossProcess::CSDARangeTable() const
{
return theCSDARangeTable;
}
//....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::SetDynamicMassCharge(G4double massratio,
G4double charge2ratio)
{
massRatio = massratio;
chargeSqRatio = charge2ratio;
chargeSquare = charge2ratio*eplus*eplus;
reduceFactor = 1.0/(chargeSqRatio*massRatio);
}
//....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);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
inline G4VEmModel* G4VEnergyLossProcess::GetModelByIndex(G4int idx)
{
return modelManager->GetModel(idx);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
inline G4int G4VEnergyLossProcess::NumberOfModels()
{
return modelManager->NumberOfModels();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
#endif
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