Import Geant4 3.1.0 source tree
This commit is contained in:
@@ -1,4 +1,4 @@
|
||||
$Id: History,v 1.5 2000/11/08 14:29:11 maire Exp $
|
||||
$Id: History,v 1.11 2001/03/23 15:09:37 maire Exp $
|
||||
-------------------------------------------------------------------
|
||||
|
||||
=========================================================
|
||||
@@ -16,6 +16,26 @@ committal in the CVS repository !
|
||||
----------------------------------------------------------
|
||||
* Reverse chronological order (last date on top), please *
|
||||
----------------------------------------------------------
|
||||
|
||||
23 mar 01 L.Urban (muons-V03-00-05)
|
||||
- R.Kokoulin's correction to energy loss has been commented out
|
||||
in G4MuIonisation.cc
|
||||
|
||||
05 mar 01 mma (muons-V03-00-04)
|
||||
- new subdirectory: integral
|
||||
migration of all G4I.. processes from muons, standard, utils into integral
|
||||
|
||||
05 feb 01: G. Cosmo (muons-V03-00-02)
|
||||
- STL migration for G4OrderedTable and G4DataVector.
|
||||
Modified files: G4IMuBremsstrahlung.cc, G4IMuPairProduction.cc,
|
||||
G4MuBremsstrahlung.cc, G4MuPairProduction.cc
|
||||
|
||||
24 jan 01: L. Urban (muons-V03-00-01)
|
||||
- bug fixed in muon bremstrahlung , in G4MuBremstrahlung.cc
|
||||
in PostStepDoIt.
|
||||
|
||||
16 jan 01: mma (muons-V03-00-00)
|
||||
- small corrections in MuEnergyLoss.cc L.Urban 11-01-01
|
||||
|
||||
08 nov 00: mma (muons-V02-00-03)
|
||||
- signature in GetLossWithFluct changed L.Urban 30/10/00
|
||||
|
||||
@@ -1,159 +0,0 @@
|
||||
// This code implementation is the intellectual property of
|
||||
// the GEANT4 collaboration.
|
||||
//
|
||||
// By copying, distributing or modifying the Program (or any work
|
||||
// based on the Program) you indicate your acceptance of this statement,
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4IMuBremsstrahlung.hh,v 1.3 2000/04/25 14:18:57 maire Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
//
|
||||
// ------------------------------------------------------------
|
||||
// GEANT 4 class header file
|
||||
//
|
||||
// For information related to this code contact:
|
||||
// CERN, CN Division, ASD group
|
||||
// History: first implementation, based on object model of
|
||||
// 2nd December 1995, G.Cosmo
|
||||
// -------- G4IMuBremsstrahlung physics process ---------
|
||||
// by Laszlo Urban, September 1997
|
||||
// ************************************************************
|
||||
|
||||
#ifndef G4IMuBremsstrahlung_h
|
||||
#define G4IMuBremsstrahlung_h 1
|
||||
|
||||
#include "G4ios.hh"
|
||||
#include "globals.hh"
|
||||
#include "Randomize.hh"
|
||||
#include "G4VIMuEnergyLoss.hh"
|
||||
#include "G4Track.hh"
|
||||
#include "G4Step.hh"
|
||||
#include "G4Gamma.hh"
|
||||
#include "G4MuonMinus.hh"
|
||||
#include "G4MuonPlus.hh"
|
||||
#include "G4OrderedTable.hh"
|
||||
#include "G4PhysicsTable.hh"
|
||||
#include "G4PhysicsLogVector.hh"
|
||||
|
||||
class G4IMuBremsstrahlung : public G4VIMuEnergyLoss
|
||||
|
||||
{
|
||||
public:
|
||||
|
||||
G4IMuBremsstrahlung(const G4String& processName = "IMuBremsstrahlung");
|
||||
|
||||
~G4IMuBremsstrahlung();
|
||||
|
||||
G4bool IsApplicable(const G4ParticleDefinition&);
|
||||
|
||||
private:
|
||||
|
||||
G4IMuBremsstrahlung & operator=(const G4IMuBremsstrahlung &right);
|
||||
G4IMuBremsstrahlung(const G4IMuBremsstrahlung&);
|
||||
|
||||
public:
|
||||
// post Step functions .......................................
|
||||
|
||||
G4double PostStepGetPhysicalInteractionLength(
|
||||
const G4Track& track,
|
||||
G4double previousStepSize,
|
||||
G4ForceCondition* condition
|
||||
) ;
|
||||
|
||||
G4VParticleChange *PostStepDoIt(
|
||||
const G4Track& track,
|
||||
const G4Step& Step ) ;
|
||||
|
||||
|
||||
void BuildLossTable(const G4ParticleDefinition& ParticleType);
|
||||
|
||||
void BuildLambdaTable(const G4ParticleDefinition& ParticleType);
|
||||
|
||||
void BuildPhysicsTable(const G4ParticleDefinition& ParticleType);
|
||||
|
||||
protected:
|
||||
|
||||
inline G4double ComputeMeanFreePath( const G4ParticleDefinition* ParticleType,
|
||||
G4double KineticEnergy,
|
||||
const G4Material* aMaterial);
|
||||
|
||||
void ComputePartialSumSigma( const G4ParticleDefinition* ParticleType,
|
||||
G4double KineticEnergy,
|
||||
const G4Material* aMaterial);
|
||||
|
||||
virtual G4double ComputeMicroscopicCrossSection(
|
||||
const G4ParticleDefinition* ParticleType,
|
||||
G4double KineticEnergy,
|
||||
G4double AtomicNumber,
|
||||
G4double GammaEnergyCut);
|
||||
|
||||
private:
|
||||
void BuildNlambdaTable(const G4ParticleDefinition& aParticleType) ;
|
||||
void BuildNlambdaVector(const G4ParticleDefinition& aParticleType,
|
||||
G4int materialIndex,
|
||||
G4PhysicsLogVector* nlambdaVector) ;
|
||||
void BuildInverseNlambdaTable(
|
||||
const G4ParticleDefinition& aParticleType) ;
|
||||
void InvertNlambdaVector(const G4ParticleDefinition& aParticleType,
|
||||
G4int materialIndex,
|
||||
G4PhysicsLogVector* nlambdaVector) ;
|
||||
|
||||
void BuildCoeffATable(const G4ParticleDefinition& aParticleType) ;
|
||||
void BuildCoeffBTable(const G4ParticleDefinition& aParticleType) ;
|
||||
void BuildCoeffCTable(const G4ParticleDefinition& aParticleType) ;
|
||||
|
||||
void TestOfInversion(const G4ParticleDefinition& aParticleType,
|
||||
G4int printflag) ;
|
||||
|
||||
G4double ComputeBremLoss(G4double Z,G4double T,
|
||||
G4double Cut);
|
||||
|
||||
G4Element* SelectRandomAtom(G4Material* aMaterial) const;
|
||||
|
||||
private:
|
||||
|
||||
G4PhysicsTable* theMeanFreePathTable ;
|
||||
|
||||
G4OrderedTable PartialSumSigma; // partial sum of total crosssection
|
||||
|
||||
G4PhysicsTable* theNlambdaTable;
|
||||
G4PhysicsTable* theInverseNlambdaTable;
|
||||
|
||||
G4PhysicsTable* theCoeffATable;
|
||||
G4PhysicsTable* theCoeffBTable;
|
||||
G4PhysicsTable* theCoeffCTable;
|
||||
|
||||
const G4double LowestKineticEnergy; // low energy limit of the crossection formula
|
||||
const G4double HighestKineticEnergy; // high energy limit of the crossection formula
|
||||
G4int TotBin; // number of bins in the tables
|
||||
|
||||
G4double MinKineticEnergy; //process is ignored if T<MinKineticEnergy
|
||||
G4double MinCutValue; //protection against divergencies
|
||||
|
||||
// 1 = 2/(3.*Z**(1/3)) , 2= exp(-0.128*(1.18*A**(1/3)-0.48)
|
||||
G4int NuclearFormFactor ;
|
||||
|
||||
G4double CutInRange;
|
||||
|
||||
const G4Gamma* theGamma;
|
||||
const G4MuonMinus* theMuonMinus;
|
||||
const G4MuonPlus* theMuonPlus;
|
||||
|
||||
const G4double* GammaCutInKineticEnergy;
|
||||
const G4double* MuonMinusCutInKineticEnergy;
|
||||
const G4double* MuonPlusCutInKineticEnergy;
|
||||
const G4double* ParticleCutInKineticEnergy;
|
||||
|
||||
|
||||
G4double GammaCutInKineticEnergyNow;
|
||||
G4double MuonMinusCutInKineticEnergyNow;
|
||||
G4double MuonPlusCutInKineticEnergyNow;
|
||||
G4double ParticleCutInKineticEnergyNow;
|
||||
|
||||
G4int NumberOfBuildPhysicsTableCalls ;
|
||||
|
||||
};
|
||||
|
||||
#include "G4IMuBremsstrahlung.icc"
|
||||
|
||||
#endif
|
||||
@@ -1,171 +0,0 @@
|
||||
// This code implementation is the intellectual property of
|
||||
// the GEANT4 collaboration.
|
||||
//
|
||||
// By copying, distributing or modifying the Program (or any work
|
||||
// based on the Program) you indicate your acceptance of this statement,
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4IMuBremsstrahlung.icc,v 1.2 1999/12/15 14:51:41 gunter Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
//
|
||||
// ---------------------------------------------------------------
|
||||
// GEANT 4 class inlined methods file
|
||||
//
|
||||
// For information related to this code contact:
|
||||
// CERN, CN Division, ASD group
|
||||
// History: first implementation, based on object model of
|
||||
// 2nd December 1995, G.Cosmo
|
||||
// -------- G4IMuBremsstrahlung physics process ---------
|
||||
// by Laszlo Urban, September 1997
|
||||
// ***************************************************************
|
||||
inline G4double G4IMuBremsstrahlung::PostStepGetPhysicalInteractionLength(
|
||||
const G4Track& track,
|
||||
G4double previousStepSize,
|
||||
G4ForceCondition* condition
|
||||
)
|
||||
{// get particle,particle type,kin.energy,material,mat.index
|
||||
const G4double eps=1.e-2 ;
|
||||
const G4double Tfac=0.95,Tfac1=1.-Tfac ;
|
||||
G4double nl,nll,nlold,range,rangeold,rangenext,
|
||||
dEdx,KineticEnergyOld,KineticEnergyNext,value;
|
||||
G4bool isOut;
|
||||
const G4DynamicParticle* particle = track.GetDynamicParticle();
|
||||
const G4ParticleDefinition* particletype = particle->GetDefinition() ;
|
||||
G4double KineticEnergy = particle->GetKineticEnergy();
|
||||
G4Material* material = track.GetMaterial();
|
||||
const G4MaterialTable* theMaterialTable =
|
||||
G4Material::GetMaterialTable();
|
||||
G4int materialindex = material->GetIndex();
|
||||
|
||||
nl = (*theNlambdaTable)[materialindex]->
|
||||
GetValue(KineticEnergy,isOut);
|
||||
range = G4EnergyLossTables::GetPreciseRangeFromEnergy(particletype,
|
||||
KineticEnergy,material) ;
|
||||
|
||||
if ( (previousStepSize <=0.0) || (theNumberOfInteractionLengthLeft<=0.0)) {
|
||||
// beggining of tracking (or just after DoIt of this process)
|
||||
ResetNumberOfInteractionLengthLeft();
|
||||
} else {
|
||||
// subtract NumberOfInteractionLengthLeft
|
||||
if(previousStepSize/range < eps)
|
||||
{
|
||||
nll = (*theNlambdaTable)[materialindex]->
|
||||
GetValue(Tfac*KineticEnergy,isOut) ;
|
||||
dEdx = G4EnergyLossTables::GetPreciseDEDX(particletype,
|
||||
KineticEnergy,
|
||||
material) ;
|
||||
nlold = nl + dEdx*previousStepSize*(nl-nll)/
|
||||
(Tfac1*KineticEnergy) ;
|
||||
}
|
||||
else
|
||||
{
|
||||
rangeold = range + previousStepSize ;
|
||||
KineticEnergyOld = G4EnergyLossTables::GetPreciseEnergyFromRange(
|
||||
particletype,
|
||||
rangeold,material);
|
||||
nlold = (*theNlambdaTable)[materialindex]->
|
||||
GetValue(KineticEnergyOld,isOut);
|
||||
if(nlold < nl)
|
||||
{
|
||||
if(verboseLevel>2)
|
||||
{
|
||||
G4cout << "G4IMuBremsstrahlung PostStepGPIL : Nlambda has been" <<
|
||||
" increased at update.Nlambda old/new :" << nlold <<
|
||||
" " << nl << G4endl;
|
||||
G4cout << "(theNumberOfInteractionLengthLeft has been increased!)" << G4endl
|
||||
;
|
||||
G4cout << " correction : Nlambda old=new ........." << G4endl;
|
||||
}
|
||||
//corr. of num errror
|
||||
nlold = nl ;
|
||||
}
|
||||
}
|
||||
|
||||
theNumberOfInteractionLengthLeft -= nlold-nl ;
|
||||
|
||||
if(theNumberOfInteractionLengthLeft<perMillion)
|
||||
theNumberOfInteractionLengthLeft=0.;
|
||||
}
|
||||
|
||||
|
||||
// condition is set to "Not Forced"
|
||||
*condition = NotForced;
|
||||
if(nl <= theNumberOfInteractionLengthLeft)
|
||||
{
|
||||
value = BIGSTEP ;
|
||||
}
|
||||
else
|
||||
{
|
||||
if(theNumberOfInteractionLengthLeft/nl < eps)
|
||||
{
|
||||
nll = (*theNlambdaTable)[materialindex]->
|
||||
GetValue(Tfac*KineticEnergy,isOut) ;
|
||||
dEdx = G4EnergyLossTables::GetPreciseDEDX(particletype,
|
||||
KineticEnergy,
|
||||
material) ;
|
||||
|
||||
value = theNumberOfInteractionLengthLeft*Tfac1*KineticEnergy/(dEdx*(nl-nll))
|
||||
;
|
||||
}
|
||||
else
|
||||
{
|
||||
|
||||
KineticEnergyNext = (*theInverseNlambdaTable)[materialindex]->
|
||||
GetValue(nl-theNumberOfInteractionLengthLeft,isOut);
|
||||
rangenext = G4EnergyLossTables::GetPreciseRangeFromEnergy(particletype,
|
||||
KineticEnergyNext,material);
|
||||
|
||||
value = range - rangenext ;
|
||||
|
||||
if(range<rangenext)
|
||||
{
|
||||
if(verboseLevel>2)
|
||||
{
|
||||
G4cout << "G4IhIonisation PostStepGPIL: Step < 0.!, Step=" << value << G4endl
|
||||
;
|
||||
G4cout << "range,rangenext:" << range << " " << rangenext << G4endl ;
|
||||
G4cout << "correction : rangenext=range ....." << G4endl;
|
||||
}
|
||||
//corr. of num error
|
||||
rangenext = range ;
|
||||
value = range - rangenext ;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
|
||||
inline G4double G4IMuBremsstrahlung::ComputeMeanFreePath(
|
||||
const G4ParticleDefinition* ParticleType,
|
||||
G4double KineticEnergy,
|
||||
const G4Material* aMaterial)
|
||||
{
|
||||
const G4ElementVector* theElementVector = aMaterial->GetElementVector() ;
|
||||
const G4double* theAtomNumDensityVector = aMaterial->GetAtomicNumDensityVector();
|
||||
G4double GammaEnergyCut = (G4Gamma::GetCutsInEnergy())[aMaterial->GetIndex()];
|
||||
|
||||
const G4double BigPath= DBL_MAX;
|
||||
|
||||
G4double SIGMA = 0 ;
|
||||
|
||||
for ( G4int i=0 ; i < aMaterial->GetNumberOfElements() ; i++ )
|
||||
{
|
||||
SIGMA += theAtomNumDensityVector[i] *
|
||||
ComputeMicroscopicCrossSection( ParticleType, KineticEnergy,
|
||||
(*theElementVector)(i)->GetZ(),
|
||||
GammaEnergyCut );
|
||||
}
|
||||
|
||||
return SIGMA<=0.0 ? BigPath : 1./SIGMA ;
|
||||
}
|
||||
|
||||
|
||||
inline G4bool G4IMuBremsstrahlung::IsApplicable(
|
||||
const G4ParticleDefinition& particle)
|
||||
{
|
||||
return( (&particle == (const G4ParticleDefinition *)theMuonMinus)
|
||||
||(&particle == (const G4ParticleDefinition *)theMuonPlus)
|
||||
) ;
|
||||
}
|
||||
@@ -1,148 +0,0 @@
|
||||
// This code implementation is the intellectual property of
|
||||
// the GEANT4 collaboration.
|
||||
//
|
||||
// By copying, distributing or modifying the Program (or any work
|
||||
// based on the Program) you indicate your acceptance of this statement,
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4IMuIonisation.hh,v 1.3 2000/04/25 14:18:58 maire Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
//
|
||||
|
||||
// ------------------------------------------------------------
|
||||
// GEANT 4 class header file
|
||||
//
|
||||
// For information related to this code contact:
|
||||
// CERN, CN Division, ASD group
|
||||
// History: first implementation, based on object model of
|
||||
// 2nd December 1995, G.Cosmo
|
||||
// ------------ G4IMuIonisation physics process ------------
|
||||
// by Laszlo Urban, September 1997
|
||||
// ------------------------------------------------------------
|
||||
// It is the implementation of the NEW IONISATION
|
||||
// PROCESS. ( delta rays + continuous energy loss)
|
||||
// It calculates the ionisation for muons.
|
||||
// ************************************************************
|
||||
//
|
||||
// ------------------------------------------------------------
|
||||
|
||||
#ifndef G4IMuIonisation_h
|
||||
#define G4IMuIonisation_h 1
|
||||
|
||||
#include "G4ios.hh"
|
||||
#include "globals.hh"
|
||||
#include "Randomize.hh"
|
||||
#include "G4VIMuEnergyLoss.hh"
|
||||
#include "globals.hh"
|
||||
#include "G4Track.hh"
|
||||
#include "G4Step.hh"
|
||||
#include "G4Electron.hh"
|
||||
#include "G4PhysicsLogVector.hh"
|
||||
#include "G4PhysicsLinearVector.hh"
|
||||
|
||||
|
||||
class G4IMuIonisation : public G4VIMuEnergyLoss
|
||||
|
||||
{
|
||||
public:
|
||||
|
||||
G4IMuIonisation(const G4String& processName = "IMuIonisation");
|
||||
|
||||
~G4IMuIonisation();
|
||||
|
||||
G4bool IsApplicable(const G4ParticleDefinition&);
|
||||
|
||||
private:
|
||||
|
||||
// hide assignment operator
|
||||
G4IMuIonisation & operator=(const G4IMuIonisation &right);
|
||||
G4IMuIonisation(const G4IMuIonisation&);
|
||||
|
||||
public:
|
||||
|
||||
// post Step functions .......................................
|
||||
|
||||
G4double PostStepGetPhysicalInteractionLength(
|
||||
const G4Track& track,
|
||||
G4double previousStepSize,
|
||||
G4ForceCondition* condition
|
||||
) ;
|
||||
|
||||
G4VParticleChange *PostStepDoIt(
|
||||
const G4Track& track,
|
||||
const G4Step& Step ) ;
|
||||
|
||||
|
||||
void BuildLossTable(const G4ParticleDefinition& aParticleType);
|
||||
|
||||
void BuildLambdaTable(const G4ParticleDefinition& aParticleType);
|
||||
|
||||
void BuildPhysicsTable(const G4ParticleDefinition& aParticleType);
|
||||
|
||||
|
||||
virtual G4double ComputeMicroscopicCrossSection(
|
||||
const G4ParticleDefinition& aParticleType,
|
||||
G4double KineticEnergy,
|
||||
G4double AtomicNumber);
|
||||
|
||||
private:
|
||||
void BuildNlambdaTable(const G4ParticleDefinition& aParticleType) ;
|
||||
void BuildNlambdaVector(const G4ParticleDefinition& aParticleType,
|
||||
G4int materialIndex,
|
||||
G4PhysicsLogVector* nlambdaVector) ;
|
||||
void BuildInverseNlambdaTable(
|
||||
const G4ParticleDefinition& aParticleType) ;
|
||||
void InvertNlambdaVector(const G4ParticleDefinition& aParticleType,
|
||||
G4int materialIndex,
|
||||
G4PhysicsLogVector* nlambdaVector) ;
|
||||
|
||||
void BuildCoeffATable(const G4ParticleDefinition& aParticleType) ;
|
||||
void BuildCoeffBTable(const G4ParticleDefinition& aParticleType) ;
|
||||
void BuildCoeffCTable(const G4ParticleDefinition& aParticleType) ;
|
||||
|
||||
void TestOfInversion(const G4ParticleDefinition& aParticleType,
|
||||
G4int printflag) ;
|
||||
|
||||
|
||||
// private data members ...............................
|
||||
|
||||
G4PhysicsTable* theMeanFreePathTable;
|
||||
|
||||
G4PhysicsTable* theNlambdaTable;
|
||||
G4PhysicsTable* theInverseNlambdaTable;
|
||||
|
||||
G4PhysicsTable* theCoeffATable;
|
||||
G4PhysicsTable* theCoeffBTable;
|
||||
G4PhysicsTable* theCoeffCTable;
|
||||
|
||||
|
||||
// LowestKineticEnergy = lower limit of particle kinetic energy
|
||||
// HighestKineticEnergy = upper limit of particle kinetic energy
|
||||
// TotBin = number of bins
|
||||
// ---------in the energy ionisation loss table-------------------
|
||||
const G4double LowestKineticEnergy;
|
||||
const G4double HighestKineticEnergy;
|
||||
G4int TotBin;
|
||||
|
||||
// cut in range
|
||||
G4double CutInRange ;
|
||||
G4double lastCutInRange ;
|
||||
|
||||
// particles , cuts in kinetic energy ........
|
||||
const G4Electron* theElectron;
|
||||
const G4MuonPlus* theMuonPlus;
|
||||
const G4MuonMinus* theMuonMinus;
|
||||
|
||||
const G4double* ParticleCutInKineticEnergy;
|
||||
const G4double* DeltaCutInKineticEnergy ;
|
||||
|
||||
G4double ParticleCutInKineticEnergyNow ;
|
||||
G4double DeltaCutInKineticEnergyNow ;
|
||||
|
||||
G4int NumberOfBuildPhysicsTableCalls ;
|
||||
|
||||
};
|
||||
|
||||
#include "G4IMuIonisation.icc"
|
||||
|
||||
#endif
|
||||
@@ -1,151 +0,0 @@
|
||||
// This code implementation is the intellectual property of
|
||||
// the GEANT4 collaboration.
|
||||
//
|
||||
// By copying, distributing or modifying the Program (or any work
|
||||
// based on the Program) you indicate your acceptance of this statement,
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4IMuIonisation.icc,v 1.2 1999/12/15 14:51:42 gunter Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
//
|
||||
//
|
||||
// ---------------------------------------------------------------
|
||||
// GEANT 4 class inlined methods file
|
||||
//
|
||||
// For information related to this code contact:
|
||||
// CERN, CN Division, ASD group
|
||||
// History: first implementation, based on object model of
|
||||
// 2nd December 1995, G.Cosmo
|
||||
// ------------ G4IMuIonisation physics process -------------
|
||||
// by Laszlo Urban, September 1997
|
||||
// ---------------------------------------------------------------
|
||||
// It is the implementation of the NEW IONISATION PROCESS.
|
||||
// It calculates the ionisation of muons.
|
||||
// ***************************************************************
|
||||
// 24/11/97: correction on MeanFreePath for KinEnergy > HighestLimit
|
||||
// ---------------------------------------------------------------
|
||||
inline G4double G4IMuIonisation::PostStepGetPhysicalInteractionLength(
|
||||
const G4Track& track,
|
||||
G4double previousStepSize,
|
||||
G4ForceCondition* condition
|
||||
)
|
||||
{// get particle,particle type,kin.energy,material,mat.index
|
||||
const G4double eps=1.e-2 ;
|
||||
const G4double Tfac=0.95,Tfac1=1.-Tfac ;
|
||||
G4double nl,nll,nlold,range,rangeold,rangenext,
|
||||
dEdx,KineticEnergyOld,KineticEnergyNext,value;
|
||||
G4bool isOut;
|
||||
const G4DynamicParticle* particle = track.GetDynamicParticle();
|
||||
const G4ParticleDefinition* particletype = particle->GetDefinition() ;
|
||||
G4double KineticEnergy = particle->GetKineticEnergy();
|
||||
G4Material* material = track.GetMaterial();
|
||||
const G4MaterialTable* theMaterialTable =
|
||||
G4Material::GetMaterialTable();
|
||||
G4int materialindex = material->GetIndex();
|
||||
|
||||
nl = (*theNlambdaTable)[materialindex]->
|
||||
GetValue(KineticEnergy,isOut);
|
||||
range = G4EnergyLossTables::GetPreciseRangeFromEnergy(particletype,
|
||||
KineticEnergy,material) ;
|
||||
|
||||
if ( (previousStepSize <=0.0) || (theNumberOfInteractionLengthLeft<=0.0)) {
|
||||
// beggining of tracking (or just after DoIt of this process)
|
||||
ResetNumberOfInteractionLengthLeft();
|
||||
} else {
|
||||
// subtract NumberOfInteractionLengthLeft
|
||||
if(previousStepSize/range < eps)
|
||||
{
|
||||
nll = (*theNlambdaTable)[materialindex]->
|
||||
GetValue(Tfac*KineticEnergy,isOut) ;
|
||||
dEdx = G4EnergyLossTables::GetPreciseDEDX(particletype,
|
||||
KineticEnergy,
|
||||
material) ;
|
||||
nlold = nl + dEdx*previousStepSize*(nl-nll)/
|
||||
(Tfac1*KineticEnergy) ;
|
||||
}
|
||||
else
|
||||
{
|
||||
rangeold = range + previousStepSize ;
|
||||
KineticEnergyOld = G4EnergyLossTables::GetPreciseEnergyFromRange(
|
||||
particletype,
|
||||
rangeold,material);
|
||||
nlold = (*theNlambdaTable)[materialindex]->
|
||||
GetValue(KineticEnergyOld,isOut);
|
||||
if(nlold < nl)
|
||||
{
|
||||
if(verboseLevel>2)
|
||||
{
|
||||
G4cout << "G4IMuIonisation PostStepGPIL : Nlambda has been" <<
|
||||
" increased at update.Nlambda old/new :" << nlold <<
|
||||
" " << nl << G4endl;
|
||||
G4cout << "(theNumberOfInteractionLengthLeft has been increased!)" << G4endl
|
||||
;
|
||||
G4cout << " correction : Nlambda old=new ........." << G4endl;
|
||||
}
|
||||
//corr. of num errror
|
||||
nlold = nl ;
|
||||
}
|
||||
}
|
||||
|
||||
theNumberOfInteractionLengthLeft -= nlold-nl ;
|
||||
|
||||
if(theNumberOfInteractionLengthLeft<perMillion)
|
||||
theNumberOfInteractionLengthLeft=0.;
|
||||
}
|
||||
|
||||
|
||||
// condition is set to "Not Forced"
|
||||
*condition = NotForced;
|
||||
if(nl <= theNumberOfInteractionLengthLeft)
|
||||
{
|
||||
value = BIGSTEP ;
|
||||
}
|
||||
else
|
||||
{
|
||||
if(theNumberOfInteractionLengthLeft/nl < eps)
|
||||
{
|
||||
nll = (*theNlambdaTable)[materialindex]->
|
||||
GetValue(Tfac*KineticEnergy,isOut) ;
|
||||
dEdx = G4EnergyLossTables::GetPreciseDEDX(particletype,
|
||||
KineticEnergy,
|
||||
material) ;
|
||||
|
||||
value = theNumberOfInteractionLengthLeft*Tfac1*KineticEnergy/(dEdx*(nl-nll))
|
||||
;
|
||||
}
|
||||
else
|
||||
{
|
||||
|
||||
KineticEnergyNext = (*theInverseNlambdaTable)[materialindex]->
|
||||
GetValue(nl-theNumberOfInteractionLengthLeft,isOut);
|
||||
rangenext = G4EnergyLossTables::GetPreciseRangeFromEnergy(particletype,
|
||||
KineticEnergyNext,material);
|
||||
|
||||
value = range - rangenext ;
|
||||
|
||||
if(range<rangenext)
|
||||
{
|
||||
if(verboseLevel>2)
|
||||
{
|
||||
G4cout << "G4IMuIonisation PostStepGPIL: Step < 0.!, Step=" << value << G4endl
|
||||
;
|
||||
G4cout << "range,rangenext:" << range << " " << rangenext << G4endl ;
|
||||
G4cout << "correction : rangenext=range ....." << G4endl;
|
||||
}
|
||||
//corr. of num error
|
||||
rangenext = range ;
|
||||
value = range - rangenext ;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
inline G4bool G4IMuIonisation::IsApplicable(
|
||||
const G4ParticleDefinition& particle)
|
||||
{
|
||||
return ( (&particle == (const G4ParticleDefinition *)theMuonPlus)
|
||||
||(&particle == (const G4ParticleDefinition *)theMuonMinus)
|
||||
);
|
||||
}
|
||||
@@ -1,188 +0,0 @@
|
||||
// This code implementation is the intellectual property of
|
||||
// the GEANT4 collaboration.
|
||||
//
|
||||
// By copying, distributing or modifying the Program (or any work
|
||||
// based on the Program) you indicate your acceptance of this statement,
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4IMuPairProduction.hh,v 1.3 2000/04/25 14:18:58 maire Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
//
|
||||
// $Id:
|
||||
// ------------------------------------------------------------
|
||||
// GEANT 4 class header file
|
||||
//
|
||||
// For information related to this code contact:
|
||||
// CERN, CN Division, ASD group
|
||||
// History: first implementation, based on object model of
|
||||
// 2nd December 1995, G.Cosmo
|
||||
// -------- G4IMuPairProduction physics process ---------
|
||||
// by Laszlo Urban, May 1998
|
||||
// ************************************************************
|
||||
|
||||
#ifndef G4IMuPairproduction_h
|
||||
#define G4IMuPairproduction_h 1
|
||||
|
||||
#include "G4ios.hh"
|
||||
#include "globals.hh"
|
||||
#include "Randomize.hh"
|
||||
#include "G4VIMuEnergyLoss.hh"
|
||||
#include "G4Track.hh"
|
||||
#include "G4Step.hh"
|
||||
#include "G4Electron.hh"
|
||||
#include "G4Positron.hh"
|
||||
#include "G4MuonMinus.hh"
|
||||
#include "G4MuonPlus.hh"
|
||||
#include "G4OrderedTable.hh"
|
||||
#include "G4PhysicsTable.hh"
|
||||
#include "G4PhysicsLogVector.hh"
|
||||
|
||||
class G4IMuPairProduction : public G4VIMuEnergyLoss
|
||||
|
||||
{
|
||||
public:
|
||||
|
||||
G4IMuPairProduction(const G4String& processName = "IMuPairProduction");
|
||||
|
||||
~G4IMuPairProduction();
|
||||
|
||||
G4bool IsApplicable(const G4ParticleDefinition&);
|
||||
|
||||
private:
|
||||
|
||||
G4IMuPairProduction & operator=(const G4IMuPairProduction &right);
|
||||
G4IMuPairProduction(const G4IMuPairProduction&);
|
||||
|
||||
public:
|
||||
// post Step functions .......................................
|
||||
|
||||
G4double PostStepGetPhysicalInteractionLength(
|
||||
const G4Track& track,
|
||||
G4double previousStepSize,
|
||||
G4ForceCondition* condition
|
||||
) ;
|
||||
|
||||
G4VParticleChange *PostStepDoIt(
|
||||
const G4Track& track,
|
||||
const G4Step& Step ) ;
|
||||
|
||||
|
||||
void BuildLossTable(const G4ParticleDefinition& ParticleType);
|
||||
|
||||
void BuildLambdaTable(const G4ParticleDefinition& ParticleType);
|
||||
|
||||
void BuildPhysicsTable(const G4ParticleDefinition& ParticleType);
|
||||
|
||||
protected:
|
||||
|
||||
inline G4double ComputeMeanFreePath( const G4ParticleDefinition* ParticleType,
|
||||
G4double KineticEnergy,
|
||||
const G4Material* aMaterial);
|
||||
|
||||
void ComputePartialSumSigma( const G4ParticleDefinition* ParticleType,
|
||||
G4double KineticEnergy,
|
||||
const G4Material* aMaterial);
|
||||
|
||||
virtual G4double ComputeMicroscopicCrossSection(
|
||||
const G4ParticleDefinition* ParticleType,
|
||||
G4double KineticEnergy,
|
||||
G4double AtomicNumber,
|
||||
G4double ElectronEnergyCut,
|
||||
G4double PositronEnergyCut);
|
||||
|
||||
G4double ComputeDDMicroscopicCrossSection(
|
||||
const G4ParticleDefinition* ParticleType,
|
||||
G4double KineticEnergy,
|
||||
G4double AtomicNumber,
|
||||
G4double PairEnergy,
|
||||
G4double asymmetry);
|
||||
|
||||
|
||||
G4double ComputeDMicroscopicCrossSection(
|
||||
const G4ParticleDefinition* ParticleType,
|
||||
G4double KineticEnergy,
|
||||
G4double AtomicNumber,
|
||||
G4double PairEnergy);
|
||||
|
||||
void MakeSamplingTables( const G4ParticleDefinition* ParticleType );
|
||||
|
||||
private:
|
||||
void BuildNlambdaTable(const G4ParticleDefinition& aParticleType) ;
|
||||
void BuildNlambdaVector(const G4ParticleDefinition& aParticleType,
|
||||
G4int materialIndex,
|
||||
G4PhysicsLogVector* nlambdaVector) ;
|
||||
void BuildInverseNlambdaTable(
|
||||
const G4ParticleDefinition& aParticleType) ;
|
||||
void InvertNlambdaVector(const G4ParticleDefinition& aParticleType,
|
||||
G4int materialIndex,
|
||||
G4PhysicsLogVector* nlambdaVector) ;
|
||||
|
||||
void BuildCoeffATable(const G4ParticleDefinition& aParticleType) ;
|
||||
void BuildCoeffBTable(const G4ParticleDefinition& aParticleType) ;
|
||||
void BuildCoeffCTable(const G4ParticleDefinition& aParticleType) ;
|
||||
|
||||
void TestOfInversion(const G4ParticleDefinition& aParticleType,
|
||||
G4int printflag) ;
|
||||
|
||||
G4double ComputePairLoss( const G4ParticleDefinition* ParticleType,
|
||||
G4double Z,G4double T,G4double ElectronCut,
|
||||
G4double PositronCut);
|
||||
|
||||
G4Element* SelectRandomAtom(G4Material* aMaterial) const;
|
||||
|
||||
private:
|
||||
|
||||
G4PhysicsTable* theMeanFreePathTable ;
|
||||
|
||||
static G4PhysicsTable* themuplusLambdaTable ;
|
||||
static G4PhysicsTable* themuminusLambdaTable ;
|
||||
|
||||
G4OrderedTable PartialSumSigma; // partial sum of total crosssection
|
||||
|
||||
G4PhysicsTable* theNlambdaTable;
|
||||
G4PhysicsTable* theInverseNlambdaTable;
|
||||
|
||||
G4PhysicsTable* theCoeffATable;
|
||||
G4PhysicsTable* theCoeffBTable;
|
||||
G4PhysicsTable* theCoeffCTable;
|
||||
|
||||
const G4double LowestKineticEnergy; // low energy limit of the crossection formula
|
||||
const G4double HighestKineticEnergy; // high energy limit of the crossection formula
|
||||
G4int TotBin; // number of bins in the tables
|
||||
|
||||
G4double MinKineticEnergy; //process is ignored if T<MinKineticEnergy
|
||||
G4double MinCutValue; //protection against divergencies
|
||||
|
||||
G4double CutInRange;
|
||||
|
||||
const G4Electron* theElectron;
|
||||
const G4Positron* thePositron;
|
||||
const G4MuonMinus* theMuonMinus;
|
||||
const G4MuonPlus* theMuonPlus;
|
||||
|
||||
const G4double* ElectronCutInKineticEnergy;
|
||||
const G4double* PositronCutInKineticEnergy;
|
||||
const G4double* MuonMinusCutInKineticEnergy;
|
||||
const G4double* MuonPlusCutInKineticEnergy;
|
||||
const G4double* ParticleCutInKineticEnergy;
|
||||
|
||||
|
||||
G4double ElectronCutInKineticEnergyNow;
|
||||
G4double PositronCutInKineticEnergyNow;
|
||||
G4double MuonMinusCutInKineticEnergyNow;
|
||||
G4double MuonPlusCutInKineticEnergyNow;
|
||||
G4double ParticleCutInKineticEnergyNow;
|
||||
|
||||
// tables for sampling ..............
|
||||
static G4int nzdat,ntdat,NBIN ;
|
||||
static G4double zdat[5],tdat[8] ;
|
||||
static G4double ya[1000],proba[5][8][1000] ;
|
||||
|
||||
G4int NumberOfBuildPhysicsTableCalls ;
|
||||
|
||||
|
||||
};
|
||||
|
||||
#include "G4IMuPairProduction.icc"
|
||||
|
||||
#endif
|
||||
@@ -1,180 +0,0 @@
|
||||
// This code implementation is the intellectual property of
|
||||
// the GEANT4 collaboration.
|
||||
//
|
||||
// By copying, distributing or modifying the Program (or any work
|
||||
// based on the Program) you indicate your acceptance of this statement,
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4IMuPairProduction.icc,v 1.2 1999/12/15 14:51:42 gunter Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
//
|
||||
// $Id:
|
||||
// ---------------------------------------------------------------
|
||||
// GEANT 4 class inlined methods file
|
||||
//
|
||||
// For information related to this code contact:
|
||||
// CERN, CN Division, ASD group
|
||||
// History: first implementation, based on object model of
|
||||
// 2nd December 1995, G.Cosmo
|
||||
// -------- G4IMuPairProduction physics process ---------
|
||||
// by Laszlo Urban, May 1998
|
||||
// ***************************************************************
|
||||
inline G4double G4IMuPairProduction::PostStepGetPhysicalInteractionLength(
|
||||
const G4Track& track,
|
||||
G4double previousStepSize,
|
||||
G4ForceCondition* condition
|
||||
)
|
||||
{// get particle,particle type,kin.energy,material,mat.index
|
||||
const G4double eps=1.e-2 ;
|
||||
const G4double Tfac=0.95,Tfac1=1.-Tfac ;
|
||||
G4double nl,nll,nlold,range,rangeold,rangenext,
|
||||
dEdx,KineticEnergyOld,KineticEnergyNext,value;
|
||||
G4bool isOut;
|
||||
const G4DynamicParticle* particle = track.GetDynamicParticle();
|
||||
const G4ParticleDefinition* particletype = particle->GetDefinition() ;
|
||||
G4double KineticEnergy = particle->GetKineticEnergy();
|
||||
G4Material* material = track.GetMaterial();
|
||||
const G4MaterialTable* theMaterialTable =
|
||||
G4Material::GetMaterialTable();
|
||||
G4int materialindex = material->GetIndex();
|
||||
|
||||
nl = (*theNlambdaTable)[materialindex]->
|
||||
GetValue(KineticEnergy,isOut);
|
||||
|
||||
// if ( nl == 0.)
|
||||
// {
|
||||
// value = BIGSTEP ;
|
||||
// return value ;
|
||||
// }
|
||||
|
||||
range = G4EnergyLossTables::GetPreciseRangeFromEnergy(particletype,
|
||||
KineticEnergy,material) ;
|
||||
|
||||
if ( (previousStepSize <=0.0) || (theNumberOfInteractionLengthLeft<=0.0)) {
|
||||
// beggining of tracking (or just after DoIt of this process)
|
||||
ResetNumberOfInteractionLengthLeft();
|
||||
} else {
|
||||
// subtract NumberOfInteractionLengthLeft
|
||||
if(previousStepSize/range < eps)
|
||||
{
|
||||
nll = (*theNlambdaTable)[materialindex]->
|
||||
GetValue(Tfac*KineticEnergy,isOut) ;
|
||||
dEdx = G4EnergyLossTables::GetPreciseDEDX(particletype,
|
||||
KineticEnergy,
|
||||
material) ;
|
||||
nlold = nl + dEdx*previousStepSize*(nl-nll)/
|
||||
(Tfac1*KineticEnergy) ;
|
||||
}
|
||||
else
|
||||
{
|
||||
rangeold = range + previousStepSize ;
|
||||
KineticEnergyOld = G4EnergyLossTables::GetPreciseEnergyFromRange(
|
||||
particletype,
|
||||
rangeold,material);
|
||||
nlold = (*theNlambdaTable)[materialindex]->
|
||||
GetValue(KineticEnergyOld,isOut);
|
||||
if(nlold < nl)
|
||||
{
|
||||
if(verboseLevel>2)
|
||||
{
|
||||
G4cout << "G4IMuPairProduction PostStepGPIL : Nlambda has been" <<
|
||||
" increased at update.Nlambda old/new :" << nlold <<
|
||||
" " << nl << G4endl;
|
||||
G4cout << "(theNumberOfInteractionLengthLeft has been increased!)" << G4endl
|
||||
;
|
||||
G4cout << " correction : Nlambda old=new ........." << G4endl;
|
||||
}
|
||||
//corr. of num errror
|
||||
nlold = nl ;
|
||||
}
|
||||
}
|
||||
|
||||
theNumberOfInteractionLengthLeft -= nlold-nl ;
|
||||
|
||||
if(theNumberOfInteractionLengthLeft<perMillion)
|
||||
theNumberOfInteractionLengthLeft=0.;
|
||||
}
|
||||
|
||||
|
||||
// condition is set to "Not Forced"
|
||||
*condition = NotForced;
|
||||
if(nl <= theNumberOfInteractionLengthLeft)
|
||||
{
|
||||
value = BIGSTEP ;
|
||||
}
|
||||
else
|
||||
{
|
||||
if(theNumberOfInteractionLengthLeft/nl < eps)
|
||||
{
|
||||
nll = (*theNlambdaTable)[materialindex]->
|
||||
GetValue(Tfac*KineticEnergy,isOut) ;
|
||||
dEdx = G4EnergyLossTables::GetPreciseDEDX(particletype,
|
||||
KineticEnergy,
|
||||
material) ;
|
||||
|
||||
value = theNumberOfInteractionLengthLeft*Tfac1*KineticEnergy/(dEdx*(nl-nll))
|
||||
;
|
||||
}
|
||||
else
|
||||
{
|
||||
|
||||
KineticEnergyNext = (*theInverseNlambdaTable)[materialindex]->
|
||||
GetValue(nl-theNumberOfInteractionLengthLeft,isOut);
|
||||
rangenext = G4EnergyLossTables::GetPreciseRangeFromEnergy(particletype,
|
||||
KineticEnergyNext,material);
|
||||
|
||||
value = range - rangenext ;
|
||||
|
||||
if(range<rangenext)
|
||||
{
|
||||
if(verboseLevel>2)
|
||||
{
|
||||
G4cout << "G4IMuPairProduction PostStepGPIL: Step < 0.!, Step=" << value << G4endl
|
||||
;
|
||||
G4cout << "range,rangenext:" << range << " " << rangenext << G4endl ;
|
||||
G4cout << "correction : rangenext=range ....." << G4endl;
|
||||
}
|
||||
//corr. of num error
|
||||
rangenext = range ;
|
||||
value = range - rangenext ;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
|
||||
inline G4double G4IMuPairProduction::ComputeMeanFreePath(
|
||||
const G4ParticleDefinition* ParticleType,
|
||||
G4double KineticEnergy,
|
||||
const G4Material* aMaterial)
|
||||
{
|
||||
const G4ElementVector* theElementVector = aMaterial->GetElementVector() ;
|
||||
const G4double* theAtomNumDensityVector = aMaterial->GetAtomicNumDensityVector();
|
||||
G4double ElectronEnergyCut = (G4Electron::GetCutsInEnergy())[aMaterial->GetIndex()];
|
||||
G4double PositronEnergyCut = (G4Positron::GetCutsInEnergy())[aMaterial->GetIndex()];
|
||||
|
||||
const G4double BigPath= DBL_MAX;
|
||||
|
||||
G4double SIGMA = 0 ;
|
||||
|
||||
for ( G4int i=0 ; i < aMaterial->GetNumberOfElements() ; i++ )
|
||||
{
|
||||
SIGMA += theAtomNumDensityVector[i] *
|
||||
ComputeMicroscopicCrossSection( ParticleType, KineticEnergy,
|
||||
(*theElementVector)(i)->GetZ(),
|
||||
ElectronEnergyCut,PositronEnergyCut );
|
||||
}
|
||||
|
||||
return SIGMA<=0.0 ? BigPath : 1./SIGMA ;
|
||||
}
|
||||
|
||||
|
||||
inline G4bool G4IMuPairProduction::IsApplicable(
|
||||
const G4ParticleDefinition& particle)
|
||||
{
|
||||
return( (&particle == (const G4ParticleDefinition *)theMuonMinus)
|
||||
||(&particle == (const G4ParticleDefinition *)theMuonPlus)
|
||||
) ;
|
||||
}
|
||||
@@ -6,7 +6,7 @@
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4MuBremsstrahlung.hh,v 1.8 2000/05/23 09:55:37 urban Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
// GEANT4 tag $Name: geant4-03-01 $
|
||||
//
|
||||
// ------------------------------------------------------------
|
||||
// GEANT 4 class header file
|
||||
|
||||
@@ -6,7 +6,7 @@
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4MuBremsstrahlung.icc,v 1.3 1999/12/15 14:51:42 gunter Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
// GEANT4 tag $Name: geant4-03-01 $
|
||||
//
|
||||
// ---------------------------------------------------------------
|
||||
// GEANT 4 class inlined methods file
|
||||
|
||||
@@ -6,7 +6,7 @@
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4MuIonisation.hh,v 1.8 2000/04/25 14:18:58 maire Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
// GEANT4 tag $Name: geant4-03-01 $
|
||||
|
||||
// ------------------------------------------------------------
|
||||
// GEANT 4 class header file
|
||||
|
||||
@@ -6,7 +6,7 @@
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4MuIonisation.icc,v 1.2 1999/12/15 14:51:43 gunter Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
// GEANT4 tag $Name: geant4-03-01 $
|
||||
//
|
||||
//
|
||||
// ---------------------------------------------------------------
|
||||
|
||||
@@ -6,7 +6,7 @@
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4MuPairProduction.hh,v 1.8 2000/05/23 16:03:25 urban Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
// GEANT4 tag $Name: geant4-03-01 $
|
||||
//
|
||||
// ------------------------------------------------------------
|
||||
// GEANT 4 class header file
|
||||
|
||||
@@ -6,7 +6,7 @@
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4MuPairProduction.icc,v 1.3 2000/02/10 08:29:13 urban Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
// GEANT4 tag $Name: geant4-03-01 $
|
||||
//
|
||||
// ---------------------------------------------------------------
|
||||
// GEANT 4 class inlined methods file
|
||||
|
||||
@@ -1,280 +0,0 @@
|
||||
// This code implementation is the intellectual property of
|
||||
// the GEANT4 collaboration.
|
||||
//
|
||||
// By copying, distributing or modifying the Program (or any work
|
||||
// based on the Program) you indicate your acceptance of this statement,
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4VIMuEnergyLoss.hh,v 1.3 2000/08/15 09:40:16 urban Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
//
|
||||
// $Id:
|
||||
// -------------------------------------------------------------------
|
||||
// GEANT 4 class header file
|
||||
//
|
||||
// For information related to this code contact:
|
||||
// CERN, CN Division, ASD group
|
||||
// History: first implementation, based on object model of
|
||||
// 2nd December 1995, G.Cosmo
|
||||
// ---------- G4VIMuEnergyLoss physics process -----------
|
||||
// by Laszlo Urban, September 1997
|
||||
// ********************************************************************
|
||||
// It is the implementation of the NEW UNIFIED ENERGY LOSS PROCESS.
|
||||
// It calculates the continuous energy loss for muons.
|
||||
// Processes giving contribution to the continuous loss :
|
||||
// ionisation (= cont.ion.loss + delta ray production)
|
||||
// bremsstrahlung
|
||||
// e+e- pair production
|
||||
// can be added more easily ..........
|
||||
// This class creates static muplus/muminus dE/dx and range tables ,
|
||||
// which tables can be used by other processes.
|
||||
// ************************************************************
|
||||
// some corrections by L.Urban on 27/05/98 , (but other corrections come soon!)
|
||||
// ------------------------------------------------------------
|
||||
|
||||
#ifndef G4VIMuEnergyLoss_h
|
||||
#define G4VIMuEnergyLoss_h 1
|
||||
|
||||
#include "G4ios.hh"
|
||||
#include "g4std/fstream"
|
||||
#include "g4std/iomanip"
|
||||
#include "globals.hh"
|
||||
#include "Randomize.hh"
|
||||
#include "G4IVContinuousDiscreteProcess.hh"
|
||||
#include "G4Material.hh"
|
||||
#include "G4Element.hh"
|
||||
#include "G4EnergyLossTables.hh"
|
||||
#include "G4VParticleChange.hh"
|
||||
#include "globals.hh"
|
||||
#include "G4Track.hh"
|
||||
#include "G4Step.hh"
|
||||
#include "G4Electron.hh"
|
||||
#include "G4Positron.hh"
|
||||
#include "G4MuonMinus.hh"
|
||||
#include "G4MuonPlus.hh"
|
||||
#include "G4PhysicsLogVector.hh"
|
||||
#include "G4PhysicsLinearVector.hh"
|
||||
|
||||
|
||||
class G4VIMuEnergyLoss : public G4IVContinuousDiscreteProcess
|
||||
|
||||
{
|
||||
public:
|
||||
G4VIMuEnergyLoss(const G4String& );
|
||||
G4VIMuEnergyLoss(G4VIMuEnergyLoss &);
|
||||
|
||||
virtual ~G4VIMuEnergyLoss();
|
||||
|
||||
G4bool IsApplicable(const G4ParticleDefinition&);
|
||||
|
||||
private:
|
||||
|
||||
// hide assignment operator
|
||||
G4VIMuEnergyLoss & operator=(const G4VIMuEnergyLoss &right);
|
||||
|
||||
public:
|
||||
|
||||
G4double GetContinuousStepLimit(
|
||||
const G4Track& track,
|
||||
G4double previousStepSize,
|
||||
G4double currentMinimumStep,
|
||||
G4double& currentSafety) ;
|
||||
|
||||
|
||||
G4VParticleChange* AlongStepDoIt(const G4Track& track ,const G4Step& Step) ;
|
||||
|
||||
|
||||
virtual G4VParticleChange* PostStepDoIt(const G4Track& track,const G4Step& Step) = 0 ;
|
||||
|
||||
// Build energy loss table (total continuous energy loss)
|
||||
|
||||
void BuildDEDXTable(const G4ParticleDefinition& aParticleType);
|
||||
|
||||
//----------------------------------------------
|
||||
// public functions .........................
|
||||
// get the number of processes contributing to the cont.energy loss
|
||||
static G4int GetNUMBEROFPROCESSES() { return NUMBEROFPROCESSES; };
|
||||
// set the number of processes contributing to the cont.energy loss
|
||||
static void SetNUMBEROFPROCESSES(G4int number)
|
||||
{ NUMBEROFPROCESSES=number ; };
|
||||
// Increment the number of processes contributing to the cont.energy loss
|
||||
static void PlusNUMBEROFPROCESSES()
|
||||
{ NUMBEROFPROCESSES++ ; };
|
||||
// decrement the number of processes contributing to the cont.energy loss
|
||||
static void MinusNUMBEROFPROCESSES()
|
||||
{ NUMBEROFPROCESSES-- ; };
|
||||
|
||||
|
||||
//*****************************************************************************
|
||||
//
|
||||
|
||||
G4double GetConstraints(const G4DynamicParticle *aParticle,
|
||||
G4Material *aMaterial);
|
||||
|
||||
G4double GetLossWithFluct(const G4DynamicParticle *aParticle,
|
||||
G4Material *aMaterial,
|
||||
G4double ChargeSquare,
|
||||
G4double MeanLoss,
|
||||
G4double Step ) ;
|
||||
|
||||
protected:
|
||||
|
||||
G4PhysicsTable* theLossTable ;
|
||||
|
||||
static G4PhysicsTable* theDEDXmuplusTable ;
|
||||
static G4PhysicsTable* theDEDXmuminusTable ;
|
||||
static G4PhysicsTable* theRangemuplusTable ;
|
||||
static G4PhysicsTable* theRangemuminusTable ;
|
||||
static G4PhysicsTable* theInverseRangemuplusTable ;
|
||||
static G4PhysicsTable* theInverseRangemuminusTable ;
|
||||
|
||||
static G4PhysicsTable* theLabTimemuplusTable ;
|
||||
static G4PhysicsTable* theLabTimemuminusTable ;
|
||||
|
||||
static G4PhysicsTable* theProperTimemuplusTable ;
|
||||
static G4PhysicsTable* theProperTimemuminusTable ;
|
||||
|
||||
static G4PhysicsTable* themuplusRangeCoeffATable;
|
||||
static G4PhysicsTable* themuplusRangeCoeffBTable;
|
||||
static G4PhysicsTable* themuplusRangeCoeffCTable;
|
||||
static G4PhysicsTable* themuminusRangeCoeffATable;
|
||||
static G4PhysicsTable* themuminusRangeCoeffBTable;
|
||||
static G4PhysicsTable* themuminusRangeCoeffCTable;
|
||||
|
||||
static G4double CutInmupluslossTable;
|
||||
static G4double CutInmuminuslossTable;
|
||||
|
||||
// processes inherited from G4VIMuEnergyLoss
|
||||
// register themselves in the static array Recorder
|
||||
// nb of contributing processes = NUMBEROFPROCESSES
|
||||
static G4int NUMBEROFPROCESSES ;
|
||||
static G4PhysicsTable** RecorderOfmuplusProcess;
|
||||
static G4PhysicsTable** RecorderOfmuminusProcess;
|
||||
static G4int CounterOfmuplusProcess ;
|
||||
static G4int CounterOfmuminusProcess ;
|
||||
|
||||
G4double RTable,LOGRTable; // LOGRTable=log(HighestKineticEnergy
|
||||
// /LowestKineticEnergy)/TotBin
|
||||
// RTable = exp(LOGRTable)
|
||||
|
||||
// cut in range
|
||||
G4double CutInRange ;
|
||||
// last cut in range
|
||||
G4double lastCutInRange ;
|
||||
|
||||
// particle mass
|
||||
G4double ParticleMass;
|
||||
|
||||
G4double BIGSTEP ;
|
||||
|
||||
private:
|
||||
// private functions ..................................
|
||||
|
||||
void BuildRangeTable(const G4ParticleDefinition& aParticleType);
|
||||
|
||||
void BuildInverseRangeTable(
|
||||
const G4ParticleDefinition& aParticleType);
|
||||
|
||||
void BuildTimeTables(const G4ParticleDefinition& aParticleType);
|
||||
|
||||
void BuildLabTimeVector(G4int materialIndex,
|
||||
G4PhysicsLogVector* rangeVector);
|
||||
|
||||
void BuildProperTimeVector(G4int materialIndex,
|
||||
G4PhysicsLogVector* rangeVector);
|
||||
|
||||
void InvertRangeVector(G4int materialIndex,
|
||||
G4PhysicsLogVector* rangeVector);
|
||||
|
||||
|
||||
void BuildRangeVector(G4int materialIndex,
|
||||
G4PhysicsLogVector* rangeVector);
|
||||
|
||||
G4double LabTimeIntLog(G4PhysicsVector* physicsVector,G4int nbin);
|
||||
G4double ProperTimeIntLog(G4PhysicsVector* physicsVector,G4int nbin);
|
||||
|
||||
G4double RangeIntLin(G4PhysicsVector* physicsVector,G4int nbin);
|
||||
|
||||
G4double RangeIntLog(G4PhysicsVector* physicsVector,G4int nbin);
|
||||
|
||||
void BuildRangeCoeffATable(const G4ParticleDefinition& aParticleType);
|
||||
void BuildRangeCoeffBTable(const G4ParticleDefinition& aParticleType);
|
||||
void BuildRangeCoeffCTable(const G4ParticleDefinition& aParticleType);
|
||||
|
||||
private:
|
||||
|
||||
G4PhysicsTable* theDEDXTable;
|
||||
|
||||
G4PhysicsTable* theRangeTable;
|
||||
G4PhysicsTable* theInverseRangeTable;
|
||||
|
||||
G4PhysicsTable* theLabTimeTable;
|
||||
G4PhysicsTable* theProperTimeTable;
|
||||
|
||||
G4PhysicsTable** RecorderOfProcess;
|
||||
G4int CounterOfProcess;
|
||||
|
||||
// private data members ...............................
|
||||
|
||||
// fdEdx=(-dE/dx)
|
||||
// computed in GetConstraints at every call;
|
||||
G4double fdEdx;
|
||||
|
||||
// fRangeNow is the actual range of the particle
|
||||
// computed in GetConstraints
|
||||
G4double fRangeNow ;
|
||||
|
||||
// fMeanLoss is the energyloss without fluctuation
|
||||
// computed in AlongStepDoIt ;
|
||||
G4double fMeanLoss ;
|
||||
|
||||
// EnergyBinNumber,RangeCoeffA,... are needed to compute range
|
||||
G4int EnergyBinNumber ;
|
||||
G4double RangeCoeffA,RangeCoeffB,RangeCoeffC ;
|
||||
|
||||
//................................................................
|
||||
G4PhysicsTable* theRangeCoeffATable;
|
||||
G4PhysicsTable* theRangeCoeffBTable;
|
||||
G4PhysicsTable* theRangeCoeffCTable;
|
||||
|
||||
// dToverTini is the maximum allowed deltarange/range in one Step
|
||||
// ( set in this class for the moment)
|
||||
const G4double dToverTini;
|
||||
|
||||
// LowestKineticEnergy = lower limit of particle kinetic energy
|
||||
// HighestKineticEnergy = upper limit of particle kinetic energy
|
||||
// TotBin = number of bins
|
||||
// ---------in the energy loss/range tables-------------------
|
||||
const G4double LowestKineticEnergy;
|
||||
const G4double HighestKineticEnergy;
|
||||
G4int TotBin;// number of bins in table, calculated in BuildPhysicsTable
|
||||
// from LowestKineticEnergy,HighestKineticEnergy and
|
||||
// dToverTini
|
||||
|
||||
// variables for the integration routines
|
||||
G4double taulow,tauhigh,ltaulow,ltauhigh;
|
||||
|
||||
// cuts in kinetic energy ........
|
||||
G4double* ParticleCutInKineticEnergy ;
|
||||
G4double ParticleCutInKineticEnergyNow ;
|
||||
|
||||
// ...............
|
||||
const G4Electron* theElectron;
|
||||
const G4Positron* thePositron;
|
||||
const G4MuonPlus* theMuonPlus;
|
||||
const G4MuonMinus* theMuonMinus;
|
||||
|
||||
// data members to speed up the fluctuation calculation
|
||||
G4Material *lastMaterial ;
|
||||
G4int imat ;
|
||||
G4double f1Fluct,f2Fluct,e1Fluct,e2Fluct,rateFluct,ipotFluct;
|
||||
G4double e1LogFluct,e2LogFluct,ipotLogFluct;
|
||||
const G4double MaxExcitationNumber ;
|
||||
const G4double probLimFluct ;
|
||||
const long nmaxDirectFluct,nmaxCont1,nmaxCont2 ;
|
||||
|
||||
};
|
||||
|
||||
#include "G4VIMuEnergyLoss.icc"
|
||||
|
||||
#endif
|
||||
@@ -1,146 +0,0 @@
|
||||
// This code implementation is the intellectual property of
|
||||
// the GEANT4 collaboration.
|
||||
//
|
||||
// By copying, distributing or modifying the Program (or any work
|
||||
// based on the Program) you indicate your acceptance of this statement,
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4VIMuEnergyLoss.icc,v 1.1 2000/04/25 14:18:59 maire Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
//
|
||||
// $Id:
|
||||
// ---------------------------------------------------------------
|
||||
// GEANT 4 class inlined methods file
|
||||
//
|
||||
// For information related to this code contact:
|
||||
// CERN, CN Division, ASD group
|
||||
// History: first implementation, based on object model of
|
||||
// 2nd December 1995, G.Cosmo
|
||||
// ------------ G4VIMuEnergyLoss physics process ------------
|
||||
// by Laszlo Urban, September 1997
|
||||
// ***************************************************************
|
||||
// It is the implementation of the NEW UNIFIED ENERGY LOSS PROCESS.
|
||||
// It calculates the energy loss of muons.
|
||||
// ***************************************************************
|
||||
// correction for KineticEnergy< LowestKineticEnergy by L.Urban on 27/11/97
|
||||
// corrections by L. Urban on 27/05/98 ( other corrs come soon!)
|
||||
// ---------------------------------------------------------------
|
||||
|
||||
inline G4double G4VIMuEnergyLoss::GetConstraints(const G4DynamicParticle *aParticle,
|
||||
G4Material *aMaterial)
|
||||
{
|
||||
|
||||
// returns the Step limit
|
||||
// dToverTini is the max. allowed relative range loss in one Step
|
||||
// it calculates dEdx and the range as well....
|
||||
|
||||
G4double KineticEnergy,StepLimit;
|
||||
const G4double BigStep = DBL_MAX ;
|
||||
G4bool isOutRange ;
|
||||
G4int index,bin ;
|
||||
|
||||
if(aParticle->GetDefinition()->GetPDGCharge()>0.)
|
||||
{
|
||||
theDEDXTable = theDEDXmuplusTable ;
|
||||
theRangeTable = theRangemuplusTable ;
|
||||
theRangeCoeffATable=themuplusRangeCoeffATable ;
|
||||
theRangeCoeffBTable=themuplusRangeCoeffBTable ;
|
||||
theRangeCoeffCTable=themuplusRangeCoeffCTable ;
|
||||
}
|
||||
else
|
||||
{
|
||||
theDEDXTable = theDEDXmuminusTable ;
|
||||
theRangeTable = theRangemuminusTable ;
|
||||
theRangeCoeffATable=themuminusRangeCoeffATable ;
|
||||
theRangeCoeffBTable=themuminusRangeCoeffBTable ;
|
||||
theRangeCoeffCTable=themuminusRangeCoeffCTable ;
|
||||
}
|
||||
|
||||
|
||||
// min.stepsize = p*CutInRange at energy , where range=p*CutInRange
|
||||
// random steplimit.........................
|
||||
const G4double p=1. , cc=p*CutInRange ;
|
||||
const G4double c1=dToverTini , c2=(1.-2.*dToverTini)*cc ,
|
||||
c3=dToverTini*cc*cc ;
|
||||
const G4double rangelim=1.5*cc ;
|
||||
const G4double Thigh = 0.9*HighestKineticEnergy ;
|
||||
const G4double alfa = 0.05 , alfa1 = 1.-alfa , alfa2 = 2.*alfa ;
|
||||
KineticEnergy = aParticle->GetKineticEnergy();
|
||||
bin = G4int(log(KineticEnergy/LowestKineticEnergy)/LOGRTable) ;
|
||||
EnergyBinNumber = bin ;
|
||||
index = aMaterial->GetIndex() ;
|
||||
|
||||
if( KineticEnergy < LowestKineticEnergy )
|
||||
{
|
||||
fdEdx = sqrt(KineticEnergy/LowestKineticEnergy)*
|
||||
(*theDEDXTable)(index)->GetValue(LowestKineticEnergy,isOutRange) ;
|
||||
fRangeNow = sqrt(KineticEnergy/LowestKineticEnergy)*
|
||||
(*theRangeTable)(index)->GetValue(LowestKineticEnergy,isOutRange) ;
|
||||
StepLimit = fRangeNow ;
|
||||
}
|
||||
else
|
||||
{
|
||||
if ( KineticEnergy > HighestKineticEnergy )
|
||||
StepLimit = BigStep ;
|
||||
else
|
||||
{
|
||||
|
||||
fdEdx = (*theDEDXTable)(index)->
|
||||
GetValue(KineticEnergy,isOutRange) ;
|
||||
|
||||
|
||||
RangeCoeffA = (*(*theRangeCoeffATable)(index))(EnergyBinNumber) ;
|
||||
RangeCoeffB = (*(*theRangeCoeffBTable)(index))(EnergyBinNumber) ;
|
||||
RangeCoeffC = (*(*theRangeCoeffCTable)(index))(EnergyBinNumber) ;
|
||||
|
||||
fRangeNow = (RangeCoeffA*KineticEnergy+RangeCoeffB)
|
||||
*KineticEnergy+RangeCoeffC ;
|
||||
|
||||
// vacuum ?
|
||||
if(fRangeNow>=BigStep)
|
||||
StepLimit = BigStep ;
|
||||
else
|
||||
{
|
||||
// new method to compute the (random) Step limit ..............
|
||||
if(fRangeNow>cc)
|
||||
{
|
||||
StepLimit = c1*fRangeNow+c2+c3/fRangeNow ;
|
||||
|
||||
// randomise this value
|
||||
StepLimit = cc + (StepLimit-cc)*G4UniformRand() ;
|
||||
if(StepLimit > fRangeNow) StepLimit = fRangeNow ;
|
||||
}
|
||||
else
|
||||
StepLimit = fRangeNow ;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return StepLimit ;
|
||||
|
||||
}
|
||||
|
||||
|
||||
inline G4double G4VIMuEnergyLoss::GetContinuousStepLimit(
|
||||
const G4Track& track,
|
||||
G4double,
|
||||
G4double currentMinimumStep,
|
||||
G4double&)
|
||||
{
|
||||
|
||||
G4double Step =
|
||||
GetConstraints(track.GetDynamicParticle(),track.GetMaterial()) ;
|
||||
|
||||
if((Step>0.0)&&(Step<currentMinimumStep))
|
||||
currentMinimumStep = Step ;
|
||||
|
||||
return Step ;
|
||||
}
|
||||
|
||||
inline G4bool G4VIMuEnergyLoss::IsApplicable(const G4ParticleDefinition&
|
||||
particle)
|
||||
{
|
||||
return ( (&particle == (const G4ParticleDefinition *)theMuonPlus)
|
||||
||(&particle == (const G4ParticleDefinition *)theMuonMinus)
|
||||
);
|
||||
}
|
||||
@@ -6,7 +6,7 @@
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4VMuEnergyLoss.hh,v 1.2 2000/06/07 16:50:21 maire Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
// GEANT4 tag $Name: geant4-03-01 $
|
||||
// -------------------------------------------------------------------
|
||||
// GEANT 4 class header file
|
||||
//
|
||||
|
||||
@@ -6,7 +6,7 @@
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4VMuEnergyLoss.icc,v 1.1 2000/04/25 14:18:59 maire Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
// GEANT4 tag $Name: geant4-03-01 $
|
||||
// ---------------------------------------------------------------
|
||||
// GEANT 4 class inlined methods file
|
||||
//
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@@ -5,8 +5,8 @@
|
||||
// based on the Program) you indicate your acceptance of this statement,
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4MuBremsstrahlung.cc,v 1.12 2000/05/23 09:58:48 urban Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
// $Id: G4MuBremsstrahlung.cc,v 1.14 2001/02/05 17:50:29 gcosmo Exp $
|
||||
// GEANT4 tag $Name: geant4-03-01 $
|
||||
//
|
||||
//
|
||||
// --------------------------------------------------------------
|
||||
@@ -35,7 +35,7 @@ G4double G4MuBremsstrahlung::tdat[]={1.e3,1.e4,1.e5,1.e6,1.e7,1.e8,1.e9,1.e10};
|
||||
G4int G4MuBremsstrahlung::NBIN = 1000; // 100 ;
|
||||
G4double G4MuBremsstrahlung::ya[1001]={0.};
|
||||
G4double G4MuBremsstrahlung::proba[5][8][1001]={0.};
|
||||
G4double G4MuBremsstrahlung::CutFixed=1.*keV ;
|
||||
G4double G4MuBremsstrahlung::CutFixed=0.98*keV ;
|
||||
|
||||
|
||||
G4double G4MuBremsstrahlung::LowerBoundLambda = 1.*keV ;
|
||||
@@ -210,6 +210,7 @@ void G4MuBremsstrahlung::BuildLambdaTable(
|
||||
delete theMeanFreePathTable;
|
||||
}
|
||||
theMeanFreePathTable = new G4PhysicsTable(G4Material::GetNumberOfMaterials());
|
||||
PartialSumSigma.clearAndDestroy();
|
||||
PartialSumSigma.resize(G4Material::GetNumberOfMaterials());
|
||||
|
||||
G4PhysicsLogVector* ptrVector;
|
||||
@@ -249,7 +250,7 @@ void G4MuBremsstrahlung::ComputePartialSumSigma(
|
||||
aMaterial->GetAtomicNumDensityVector();
|
||||
G4double GammaEnergyCut = (G4Gamma::Gamma()->GetCutsInEnergy())[Imate];
|
||||
|
||||
PartialSumSigma(Imate) = new G4ValVector(NbOfElements);
|
||||
PartialSumSigma[Imate] = new G4DataVector();
|
||||
|
||||
G4double SIGMA = 0. ;
|
||||
|
||||
@@ -260,7 +261,7 @@ void G4MuBremsstrahlung::ComputePartialSumSigma(
|
||||
(*theElementVector)(Ielem)->GetZ(),
|
||||
(*theElementVector)(Ielem)->GetA(),
|
||||
GammaEnergyCut );
|
||||
PartialSumSigma(Imate)->insertAt(Ielem, SIGMA);
|
||||
PartialSumSigma[Imate]->push_back(SIGMA);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -448,7 +449,6 @@ void G4MuBremsstrahlung::MakeSamplingTables(
|
||||
for(G4int ib=0; ib<=nbin; ib++)
|
||||
{
|
||||
proba[iz][it][ib] /= CrossSection ;
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -461,6 +461,9 @@ G4VParticleChange* G4MuBremsstrahlung::PostStepDoIt(const G4Track& trackData,
|
||||
const G4Step& stepData)
|
||||
{
|
||||
|
||||
static G4double ysmall = -100. ;
|
||||
static G4double ytablelow = -5. ;
|
||||
|
||||
aParticleChange.Initialize(trackData);
|
||||
G4Material* aMaterial=trackData.GetMaterial() ;
|
||||
|
||||
@@ -487,7 +490,9 @@ G4VParticleChange* G4MuBremsstrahlung::PostStepDoIt(const G4Track& trackData,
|
||||
G4double dy = 5./G4float(NBIN) ;
|
||||
|
||||
G4double ymin=log(log(GammaEnergyCut/CutFixed)/log(KineticEnergy/CutFixed)) ;
|
||||
G4int iymin = G4int((ymin+5.)/dy+0.5) ;
|
||||
|
||||
if(ymin < ysmall)
|
||||
return G4VContinuousDiscreteProcess::PostStepDoIt(trackData,stepData);
|
||||
|
||||
// sampling using tables
|
||||
G4double v,xc,x,yc,y ;
|
||||
@@ -518,23 +523,30 @@ G4VParticleChange* G4MuBremsstrahlung::PostStepDoIt(const G4Track& trackData,
|
||||
itt=it ;
|
||||
}
|
||||
}
|
||||
G4int iymin = G4int((ymin+5.)/dy+0.5) ;
|
||||
|
||||
G4double r = G4UniformRand() ;
|
||||
if(ymin < ytablelow)
|
||||
{
|
||||
y = ymin + G4UniformRand()*(ytablelow-ymin) ;
|
||||
}
|
||||
else
|
||||
{
|
||||
G4double r = G4UniformRand() ;
|
||||
|
||||
iy = iymin-1 ;
|
||||
delmin = proba[izz][itt][NBINminus1]-proba[izz][itt][iymin] ;
|
||||
do {
|
||||
iy += 1 ;
|
||||
} while ((r > (proba[izz][itt][iy]-proba[izz][itt][iymin])/delmin)
|
||||
&&(iy < NBINminus1)) ;
|
||||
iy = iymin-1 ;
|
||||
delmin = proba[izz][itt][NBINminus1]-proba[izz][itt][iymin] ;
|
||||
do {
|
||||
iy += 1 ;
|
||||
} while ((r > (proba[izz][itt][iy]-proba[izz][itt][iymin])/delmin)
|
||||
&&(iy < NBINminus1)) ;
|
||||
|
||||
//sampling is Done uniformly in y in the bin
|
||||
y = ya[iy] + G4UniformRand() * ( ya[iy+1] - ya[iy] ) ;
|
||||
//sampling is Done uniformly in y in the bin
|
||||
y = ya[iy] + G4UniformRand() * ( ya[iy+1] - ya[iy] ) ;
|
||||
}
|
||||
|
||||
x = exp(y) ;
|
||||
|
||||
v = CutFixed*exp(x*log(KineticEnergy/CutFixed)) ;
|
||||
|
||||
if( v <= 0.)
|
||||
return G4VContinuousDiscreteProcess::PostStepDoIt(trackData,stepData);
|
||||
|
||||
@@ -584,9 +596,9 @@ G4Element* G4MuBremsstrahlung::SelectRandomAtom(G4Material* aMaterial) const
|
||||
const G4int NumberOfElements = aMaterial->GetNumberOfElements();
|
||||
const G4ElementVector* theElementVector = aMaterial->GetElementVector();
|
||||
|
||||
G4double rval = G4UniformRand()*((*PartialSumSigma(Index))(NumberOfElements-1));
|
||||
G4double rval = G4UniformRand()*((*PartialSumSigma[Index])[NumberOfElements-1]);
|
||||
for ( G4int i=0; i < NumberOfElements; i++ )
|
||||
if (rval <= (*PartialSumSigma(Index))(i)) return ((*theElementVector)(i));
|
||||
if (rval <= (*PartialSumSigma[Index])[i]) return ((*theElementVector)(i));
|
||||
G4cout << " WARNING !!! - The Material " << aMaterial->GetName()
|
||||
<< " has no elements, NULL pointer returned." << G4endl;
|
||||
return NULL;
|
||||
|
||||
@@ -5,8 +5,8 @@
|
||||
// based on the Program) you indicate your acceptance of this statement,
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4MuIonisation.cc,v 1.11 2000/05/23 09:58:47 urban Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
// $Id: G4MuIonisation.cc,v 1.12 2001/03/23 07:27:29 urban Exp $
|
||||
// GEANT4 tag $Name: geant4-03-01 $
|
||||
//
|
||||
//
|
||||
// --------------------------------------------------------------
|
||||
@@ -25,6 +25,7 @@
|
||||
// 08-04-98: remove 'tracking cut' of the ionizing particle, MMa
|
||||
// 26/10/98: new stuff from R.Kokoulin + cleanup , L.Urban
|
||||
// 10/02/00 modifications , new e.m. structure, L.Urban
|
||||
// 23/03/01: R.Kokoulin's correction is commented out, L.Urban
|
||||
// --------------------------------------------------------------
|
||||
|
||||
|
||||
@@ -228,12 +229,12 @@ void G4MuIonisation::BuildLossTable(const G4ParticleDefinition& aParticleType)
|
||||
ionloss -= delta + sh ;
|
||||
ionloss /= beta2 ;
|
||||
|
||||
// correction of R. Kokoulin
|
||||
G4double E = LowEdgeEnergy+ParticleMass ;
|
||||
G4double epmax = RateMass*E*E/(RateMass*E+ParticleMass) ;
|
||||
G4double apar = log(2.*epmax/electron_mass_c2) ;
|
||||
ionloss += fine_structure_const*(log(2.*E/ParticleMass)-apar/3.)*
|
||||
apar*apar/twopi ;
|
||||
// correction of R. Kokoulin // has been taken out ***************
|
||||
// G4double E = LowEdgeEnergy+ParticleMass ;
|
||||
// G4double epmax = RateMass*E*E/(RateMass*E+ParticleMass) ;
|
||||
// G4double apar = log(2.*epmax/electron_mass_c2) ;
|
||||
// ionloss += fine_structure_const*(log(2.*E/ParticleMass)-apar/3.)*
|
||||
// apar*apar/twopi ;
|
||||
|
||||
ionloss *= Factor*ElectronDensity ;
|
||||
}
|
||||
|
||||
@@ -5,8 +5,8 @@
|
||||
// based on the Program) you indicate your acceptance of this statement,
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4MuPairProduction.cc,v 1.15 2000/05/23 09:58:49 urban Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
// $Id: G4MuPairProduction.cc,v 1.16 2001/02/05 17:50:29 gcosmo Exp $
|
||||
// GEANT4 tag $Name: geant4-03-01 $
|
||||
//
|
||||
// --------------------------------------------------------------
|
||||
// GEANT 4 class implementation file
|
||||
@@ -237,7 +237,9 @@ void G4MuPairProduction::BuildLambdaTable(
|
||||
}
|
||||
theMeanFreePathTable = new
|
||||
G4PhysicsTable( G4Material::GetNumberOfMaterials() ) ;
|
||||
PartialSumSigma.resize(G4Material::GetNumberOfMaterials());
|
||||
|
||||
PartialSumSigma.clearAndDestroy();
|
||||
PartialSumSigma.resize(G4Material::GetNumberOfMaterials());
|
||||
|
||||
G4PhysicsLogVector* ptrVector;
|
||||
for ( G4int J=0 ; J < G4Material::GetNumberOfMaterials(); J++ )
|
||||
@@ -276,7 +278,7 @@ void G4MuPairProduction::ComputePartialSumSigma(
|
||||
G4double ElectronEnergyCut = (G4Electron::GetCutsInEnergy())[Imate];
|
||||
G4double PositronEnergyCut = (G4Positron::GetCutsInEnergy())[Imate];
|
||||
|
||||
PartialSumSigma(Imate) = new G4ValVector(NbOfElements);
|
||||
PartialSumSigma[Imate] = new G4DataVector();
|
||||
|
||||
G4double SIGMA = 0. ;
|
||||
|
||||
@@ -287,7 +289,7 @@ void G4MuPairProduction::ComputePartialSumSigma(
|
||||
(*theElementVector)(Ielem)->GetZ(),
|
||||
ElectronEnergyCut,PositronEnergyCut );
|
||||
|
||||
PartialSumSigma(Imate)->insertAt(Ielem, SIGMA);
|
||||
PartialSumSigma[Imate]->push_back(SIGMA);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -801,12 +803,12 @@ G4Element* G4MuPairProduction::SelectRandomAtom(G4Material* aMaterial) const
|
||||
const G4int NumberOfElements = aMaterial->GetNumberOfElements();
|
||||
const G4ElementVector* theElementVector = aMaterial->GetElementVector();
|
||||
|
||||
G4double rval = G4UniformRand()*((*PartialSumSigma(Index))
|
||||
(NumberOfElements-1));
|
||||
G4double rval = G4UniformRand()*((*PartialSumSigma[Index])
|
||||
[NumberOfElements-1]);
|
||||
|
||||
for ( G4int i=0; i < NumberOfElements; i++ )
|
||||
{
|
||||
if (rval <= (*PartialSumSigma(Index))(i)) return ((*theElementVector)(i));
|
||||
if (rval <= (*PartialSumSigma[Index])[i]) return ((*theElementVector)(i));
|
||||
}
|
||||
G4cout << " WARNING !!! - The Material '"<< aMaterial->GetName()
|
||||
<< "' has no elements, NULL pointer returned." << G4endl;
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
@@ -5,8 +5,8 @@
|
||||
// based on the Program) you indicate your acceptance of this statement,
|
||||
// and all its terms.
|
||||
//
|
||||
// $Id: G4VMuEnergyLoss.cc,v 1.7 2000/10/30 07:17:30 urban Exp $
|
||||
// GEANT4 tag $Name: geant4-03-00 $
|
||||
// $Id: G4VMuEnergyLoss.cc,v 1.8 2001/01/11 10:42:52 urban Exp $
|
||||
// GEANT4 tag $Name: geant4-03-01 $
|
||||
// --------------------------------------------------------------
|
||||
// GEANT 4 class implementation file
|
||||
//
|
||||
@@ -104,6 +104,14 @@ G4VMuEnergyLoss::~G4VMuEnergyLoss()
|
||||
LOGRTable=lrate/NbinEloss;
|
||||
RTable =exp(LOGRTable);
|
||||
|
||||
//set physically consistent value for finalRange
|
||||
// and parameters for en.loss step limit
|
||||
if(finalRange > G4Electron::Electron()->GetCuts())
|
||||
finalRange = G4Electron::Electron()->GetCuts() ;
|
||||
c1lim = dRoverRange ;
|
||||
c2lim = 2.*(1.-dRoverRange)*finalRange ;
|
||||
c3lim = -(1.-dRoverRange)*finalRange*finalRange;
|
||||
|
||||
G4bool MakeTable ;
|
||||
ParticleMass = aParticleType.GetPDGMass() ;
|
||||
G4double Charge = aParticleType.GetPDGCharge()/eplus ;
|
||||
|
||||
Reference in New Issue
Block a user