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This commit is contained in:
Gabriele Cosmo
2016-06-08 16:18:25 +02:00
parent 36c080dca6
commit 921d3b1cda
3990 changed files with 185376 additions and 82884 deletions
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source/processes/electromagnetic/standard/src/G4PhotoElectricEffect.cc
+142 -62
View File
@@ -21,10 +21,10 @@
// ********************************************************************
//
//
// $Id: G4PhotoElectricEffect.cc,v 1.13.2.1 2001/06/28 19:12:37 gunter Exp $
// GEANT4 tag $Name: $
// $Id: G4PhotoElectricEffect.cc,v 1.22 2001/10/01 15:00:29 maire Exp $
// GEANT4 tag $Name: geant4-04-00 $
//
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
// 12-06-96, Added SelectRandomAtom() method, by M.Maire
// 21-06-96, SetCuts implementation, M.Maire
@@ -33,7 +33,8 @@
// 08-01-97, crossection table + meanfreepath table, M.Maire
// 13-03-97, adapted for the new physics scheme, M.Maire
// 28-03-97, protection in BuildPhysicsTable, M.Maire
// 04-06-98, in DoIt, secondary production condition: range>G4std::min(threshold,safety)
// 04-06-98, in DoIt, secondary production condition:
// range > G4std::min(threshold,safety)
// 13-08-98, new methods SetBining() PrintInfo()
// 17-11-98, use table of Atomic shells in PostStepDoIt
// 06-01-99, use Sandia crossSection below 50 keV, V.Grichine mma
@@ -41,18 +42,22 @@
// 08-06-99, removed this above protection from the DoIt. mma
// 21-06-00, in DoIt, killing photon: aParticleChange.SetEnergyChange(0.); mma
// 22-06-00, in DoIt, absorbe very low energy photon (back to 20-05-99); mma
// 22-02-01, back to 08-06-99 after correc in SandiaTable (materials-V03-00-05)
// 28-05-01, V.Ivanchenko minor changes to provide ANSI -wall compilation
// 22-02-01, back to 08-06-99 after correc in SandiaTable (materials-V03-00-05)
// 28-05-01, V.Ivanchenko minor changes to provide ANSI -wall compilation
// 13-07-01, DoIt: suppression of production cut of the electron (mma)
// 06-08-01, new methods Store/Retrieve PhysicsTable (mma)
// 06-08-01, BuildThePhysicsTable() called from constructor (mma)
// 17-09-01, migration of Materials to pure STL (mma)
// 20-09-01, DoIt: fminimalEnergy = 1*eV (mma)
// 01-10-01, come back to BuildPhysicsTable(const G4ParticleDefinition&)
//
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
#include "G4PhotoElectricEffect.hh"
#include "G4EnergyLossTables.hh"
#include "G4UnitsTable.hh"
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
// constructor
@@ -62,10 +67,11 @@ G4PhotoElectricEffect::G4PhotoElectricEffect(const G4String& processName)
theMeanFreePathTable(NULL),
LowestEnergyLimit (50*keV),
HighestEnergyLimit(50*MeV),
NumbBinTable(100)
{ }
NumbBinTable(100),
fminimalEnergy(1*eV)
{}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
// destructor
@@ -82,38 +88,39 @@ G4PhotoElectricEffect::~G4PhotoElectricEffect()
}
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void G4PhotoElectricEffect::SetPhysicsTableBining(G4double lowE, G4double highE, G4int nBins)
void G4PhotoElectricEffect::SetPhysicsTableBining(
G4double lowE, G4double highE, G4int nBins)
{
LowestEnergyLimit = lowE; HighestEnergyLimit = highE; NumbBinTable = nBins;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void G4PhotoElectricEffect::BuildPhysicsTable(const G4ParticleDefinition& PhotonType)
void G4PhotoElectricEffect::BuildPhysicsTable(const G4ParticleDefinition&)
// Build microscopic cross section table and mean free path table
// Build cross section per atom and mean free path tables
{
G4double LowEdgeEnergy, Value;
G4PhysicsLogVector* ptrVector;
// Build microscopic cross section tables for the Photo Electric Effect
// Build cross section per atom tables for the Photo Electric Effect
if (theCrossSectionTable) {
theCrossSectionTable->clearAndDestroy(); delete theCrossSectionTable; }
theCrossSectionTable->clearAndDestroy(); delete theCrossSectionTable;}
theCrossSectionTable = new G4PhysicsTable( G4Element::GetNumberOfElements()) ;
const G4ElementTable* theElementTable = G4Element::GetElementTable() ;
theCrossSectionTable = new G4PhysicsTable( G4Element::GetNumberOfElements());
const G4ElementTable* theElementTable = G4Element::GetElementTable();
G4double AtomicNumber;
size_t J;
for ( J=0 ; J < G4Element::GetNumberOfElements(); J++ )
{
//create physics vector then fill it ....
ptrVector = new G4PhysicsLogVector(LowestEnergyLimit, HighestEnergyLimit,
ptrVector = new G4PhysicsLogVector(LowestEnergyLimit,HighestEnergyLimit,
NumbBinTable ) ;
AtomicNumber = (*theElementTable)(J)->GetZ();
AtomicNumber = (*theElementTable)[J]->GetZ();
for ( G4int i = 0 ; i < NumbBinTable ; i++ )
{
@@ -129,18 +136,18 @@ void G4PhotoElectricEffect::BuildPhysicsTable(const G4ParticleDefinition& Photon
// Build mean free path table for the Photo Electric Effect
if (theMeanFreePathTable) {
theMeanFreePathTable->clearAndDestroy(); delete theMeanFreePathTable; }
theMeanFreePathTable->clearAndDestroy(); delete theMeanFreePathTable;}
theMeanFreePathTable = new G4PhysicsTable( G4Material::GetNumberOfMaterials() ) ;
theMeanFreePathTable= new G4PhysicsTable(G4Material::GetNumberOfMaterials());
const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable() ;
G4Material* material;
for ( J=0 ; J < G4Material::GetNumberOfMaterials(); J++ )
{
//create physics vector then fill it ....
ptrVector = new G4PhysicsLogVector(LowestEnergyLimit, HighestEnergyLimit,
NumbBinTable ) ;
material = (*theMaterialTable)(J);
ptrVector = new G4PhysicsLogVector(LowestEnergyLimit,HighestEnergyLimit,
NumbBinTable );
material = (*theMaterialTable)[J];
for ( G4int i = 0 ; i < NumbBinTable ; i++ )
{
@@ -156,13 +163,15 @@ void G4PhotoElectricEffect::BuildPhysicsTable(const G4ParticleDefinition& Photon
PrintInfoDefinition();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4double G4PhotoElectricEffect::ComputeCrossSectionPerAtom (G4double PhotonEnergy,
G4double AtomicNumber)
G4double G4PhotoElectricEffect::ComputeCrossSectionPerAtom(
G4double PhotonEnergy,
G4double AtomicNumber)
// Calculates the microscopic cross section in GEANT4 internal units.
// A parametrized formula from L. Urban is used to estimate the total cross section.
// Calculates the cross section per atom in GEANT4 internal units.
// A parametrized formula from L. Urban is used to estimate the
// total cross section.
// It gives a good description of the elements : 5 < Atomic Number < 100 and
// from 10 keV to 50 MeV.
@@ -212,7 +221,7 @@ G4double G4PhotoElectricEffect::ComputeCrossSectionPerAtom (G4double PhotonEnerg
return CrossSection;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4double G4PhotoElectricEffect::ComputeSandiaCrossSection(G4double PhotonEnergy,
G4double AtomicNumber)
@@ -227,7 +236,7 @@ G4double G4PhotoElectricEffect::ComputeSandiaCrossSection(G4double PhotonEnergy,
SandiaCof[2]/energy3 + SandiaCof[3]/energy4;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4VParticleChange* G4PhotoElectricEffect::PostStepDoIt(const G4Track& aTrack,
const G4Step& aStep)
@@ -259,22 +268,19 @@ G4VParticleChange* G4PhotoElectricEffect::PostStepDoIt(const G4Track& aTrack,
if (i==NbOfShells) return G4VDiscreteProcess::PostStepDoIt(aTrack,aStep);
G4double ElecKineEnergy = PhotonEnergy - anElement->GetAtomicShell(i);
if ((G4EnergyLossTables::GetRange(G4Electron::Electron(),
ElecKineEnergy,aMaterial)>aStep.GetPostStepPoint()->GetSafety())
||
(ElecKineEnergy >
(G4Electron::Electron()->GetCutsInEnergy())[aMaterial->GetIndex()]))
if (ElecKineEnergy > fminimalEnergy)
{
// the electron is created in the direction of the incident photon ...
G4DynamicParticle* aElectron= new G4DynamicParticle (G4Electron::Electron(),
PhotonDirection, ElecKineEnergy) ;
aParticleChange.SetNumberOfSecondaries(1) ;
aParticleChange.AddSecondary( aElectron ) ;
G4DynamicParticle* aElectron = new G4DynamicParticle (
G4Electron::Electron(),PhotonDirection, ElecKineEnergy);
aParticleChange.SetNumberOfSecondaries(1);
aParticleChange.AddSecondary( aElectron );
}
else
{
ElecKineEnergy = 0. ;
aParticleChange.SetNumberOfSecondaries(0) ;
ElecKineEnergy = 0.;
aParticleChange.SetNumberOfSecondaries(0);
}
//
@@ -288,17 +294,17 @@ G4VParticleChange* G4PhotoElectricEffect::PostStepDoIt(const G4Track& aTrack,
return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4Element*
G4PhotoElectricEffect::SelectRandomAtom(const G4DynamicParticle* aDynamicPhoton,
G4Material* aMaterial)
G4Element* G4PhotoElectricEffect::SelectRandomAtom(
const G4DynamicParticle* aDynamicPhoton,
G4Material* aMaterial)
{
// select randomly 1 element within the material
const G4int NumberOfElements = aMaterial->GetNumberOfElements();
const G4ElementVector* theElementVector = aMaterial->GetElementVector();
if (NumberOfElements == 1) return (*theElementVector)(0);
if (NumberOfElements == 1) return (*theElementVector)[0];
const G4double* NbOfAtomsPerVolume = aMaterial->GetVecNbOfAtomsPerVolume();
@@ -306,15 +312,88 @@ G4PhotoElectricEffect::SelectRandomAtom(const G4DynamicParticle* aDynamicPhoton,
G4double rval = G4UniformRand();
for ( G4int elm=0 ; elm < NumberOfElements ; elm++ )
{ PartialSumSigma += NbOfAtomsPerVolume[elm] *
GetCrossSectionPerAtom(aDynamicPhoton,
(*theElementVector)(elm));
if (rval <= PartialSumSigma*MeanFreePath) return ((*theElementVector)(elm));
}
return ((*theElementVector)(NumberOfElements-1));
{PartialSumSigma += NbOfAtomsPerVolume[elm] *
GetCrossSectionPerAtom(aDynamicPhoton,
(*theElementVector)[elm]);
if (rval<=PartialSumSigma*MeanFreePath) return ((*theElementVector)[elm]);
}
return ((*theElementVector)[NumberOfElements-1]);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4bool G4PhotoElectricEffect::StorePhysicsTable(G4ParticleDefinition* particle,
const G4String& directory,
G4bool ascii)
{
G4String filename;
// store cross section table
filename = GetPhysicsTableFileName(particle,directory,"CrossSection",ascii);
if ( !theCrossSectionTable->StorePhysicsTable(filename, ascii) ){
G4cout << " FAIL theCrossSectionTable->StorePhysicsTable in " << filename
<< G4endl;
return false;
}
// store mean free path table
filename = GetPhysicsTableFileName(particle,directory,"MeanFreePath",ascii);
if ( !theMeanFreePathTable->StorePhysicsTable(filename, ascii) ){
G4cout << " FAIL theMeanFreePathTable->StorePhysicsTable in " << filename
<< G4endl;
return false;
}
G4cout << GetProcessName() << " for " << particle->GetParticleName()
<< ": Success to store the PhysicsTables in "
<< directory << G4endl;
return true;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4bool G4PhotoElectricEffect::RetrievePhysicsTable(
G4ParticleDefinition* particle,
const G4String& directory,
G4bool ascii)
{
// delete theCrossSectionTable and theMeanFreePathTable
if (theCrossSectionTable != 0) {
theCrossSectionTable->clearAndDestroy();
delete theCrossSectionTable;
}
if (theMeanFreePathTable != 0) {
theMeanFreePathTable->clearAndDestroy();
delete theMeanFreePathTable;
}
G4String filename;
// retreive cross section table
filename = GetPhysicsTableFileName(particle,directory,"CrossSection",ascii);
theCrossSectionTable = new G4PhysicsTable(G4Element::GetNumberOfElements());
if ( !theCrossSectionTable->RetrievePhysicsTable(filename, ascii) ){
G4cout << " FAIL theCrossSectionTable->RetrievePhysicsTable in " << filename
<< G4endl;
return false;
}
// retreive mean free path table
filename = GetPhysicsTableFileName(particle,directory,"MeanFreePath",ascii);
theMeanFreePathTable = new G4PhysicsTable(G4Material::GetNumberOfMaterials());
if ( !theMeanFreePathTable->RetrievePhysicsTable(filename, ascii) ){
G4cout << " FAIL theMeanFreePathTable->RetrievePhysicsTable in " << filename
<< G4endl;
return false;
}
G4cout << GetProcessName() << " for " << particle->GetParticleName()
<< ": Success to retrieve the PhysicsTables from "
<< directory << G4endl;
return true;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void G4PhotoElectricEffect::PrintInfoDefinition()
{
@@ -323,9 +402,10 @@ void G4PhotoElectricEffect::PrintInfoDefinition()
comments += "\n Sandia crossSection below 50 KeV";
G4cout << G4endl << GetProcessName() << ": " << comments
<< "\n PhysicsTables from " << G4BestUnit(LowestEnergyLimit,"Energy")
<< "\n PhysicsTables from "
<< G4BestUnit(LowestEnergyLimit, "Energy")
<< " to " << G4BestUnit(HighestEnergyLimit,"Energy")
<< " in " << NumbBinTable << " bins. \n";
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......