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This commit is contained in:
Gabriele Cosmo
2016-06-09 11:11:55 +02:00
parent e083ffb441
commit 516dbf1a58
5914 changed files with 202605 additions and 71141 deletions
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source/processes/electromagnetic/standard/src/G4eplusAnnihilation.cc
+119 -27
View File
@@ -21,8 +21,8 @@
// ********************************************************************
//
//
// $Id: G4eplusAnnihilation.cc,v 1.16 2004/03/10 16:48:46 vnivanch Exp $
// GEANT4 tag $Name: geant4-06-01 $
// $Id: G4eplusAnnihilation.cc,v 1.20 2004/12/01 19:37:15 vnivanch Exp $
// GEANT4 tag $Name: geant4-07-00-cand-03 $
//
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
@@ -38,7 +38,8 @@
// 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&)
//
// 08-11-04, Remove of Store/Retrieve tables (V.Ivantchenko)
//
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
@@ -47,7 +48,7 @@
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
// constructor
using namespace std;
G4eplusAnnihilation::G4eplusAnnihilation(const G4String& processName,
G4ProcessType type):G4VRestDiscreteProcess (processName, type),
@@ -75,6 +76,12 @@ G4eplusAnnihilation::~G4eplusAnnihilation()
delete theMeanFreePathTable;
}
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4bool G4eplusAnnihilation::IsApplicable( const G4ParticleDefinition& particle)
{
return ( &particle == G4Positron::Positron() );
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
@@ -104,7 +111,7 @@ void G4eplusAnnihilation::BuildPhysicsTable(const G4ParticleDefinition& )
G4double AtomicNumber;
size_t J;
for ( J=0 ; J < G4Element::GetNumberOfElements(); J++ )
for ( J=0 ; J < G4Element::GetNumberOfElements(); J++ )
{
//create physics vector then fill it ....
ptrVector = new G4PhysicsLogVector(LowestEnergyLimit, HighestEnergyLimit,
@@ -132,7 +139,7 @@ void G4eplusAnnihilation::BuildPhysicsTable(const G4ParticleDefinition& )
G4Material* material;
for ( J=0 ; J < G4Material::GetNumberOfMaterials(); J++ )
{
{
//create physics vector then fill it ....
ptrVector = new G4PhysicsLogVector(LowestEnergyLimit, HighestEnergyLimit,
NumbBinTable );
@@ -149,7 +156,7 @@ void G4eplusAnnihilation::BuildPhysicsTable(const G4ParticleDefinition& )
}
PrintInfoDefinition();
PrintInfoDefinition();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
@@ -173,6 +180,92 @@ G4double G4eplusAnnihilation::ComputeCrossSectionPerAtom
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4double G4eplusAnnihilation::ComputeMeanFreePath( G4double PositKinEnergy,
G4Material* aMaterial)
// returns the positron mean free path in GEANT4 internal units
{
const G4ElementVector* theElementVector = aMaterial->GetElementVector();
const G4double* NbOfAtomsPerVolume = aMaterial->GetVecNbOfAtomsPerVolume();
G4double SIGMA = 0 ;
for (size_t elm=0 ; elm < aMaterial->GetNumberOfElements() ; elm++ )
{
SIGMA += NbOfAtomsPerVolume[elm] *
ComputeCrossSectionPerAtom(PositKinEnergy,
(*theElementVector)[elm]->GetZ());
}
return SIGMA > DBL_MIN ? 1./SIGMA : DBL_MAX;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4double G4eplusAnnihilation::GetCrossSectionPerAtom(
G4DynamicParticle* aDynamicPositron,
G4Element* anElement)
// return the total cross section per atom in GEANT4 internal units
{
G4double crossSection;
G4double PositronEnergy = aDynamicPositron->GetKineticEnergy();
G4bool isOutRange ;
if (PositronEnergy > HighestEnergyLimit)
crossSection = 0. ;
else {
if (PositronEnergy < LowestEnergyLimit) PositronEnergy = 1.01*LowestEnergyLimit;
crossSection = (*theCrossSectionTable)(anElement->GetIndex())->
GetValue( PositronEnergy, isOutRange );
}
return crossSection;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4double G4eplusAnnihilation::GetMeanFreePath(const G4Track& aTrack,
G4double,
G4ForceCondition*)
// returns the positron mean free path in GEANT4 internal units
{
const G4DynamicParticle* aDynamicPositron = aTrack.GetDynamicParticle();
G4double PositronEnergy = aDynamicPositron->GetKineticEnergy();
G4Material* aMaterial = aTrack.GetMaterial();
G4double MeanFreePath;
G4bool isOutRange ;
if (PositronEnergy > HighestEnergyLimit) MeanFreePath = DBL_MAX;
else
{
if (PositronEnergy < LowestEnergyLimit)
PositronEnergy = 1.01*LowestEnergyLimit;
MeanFreePath = (*theMeanFreePathTable)(aMaterial->GetIndex())->
GetValue( PositronEnergy, isOutRange );
}
return MeanFreePath;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4double G4eplusAnnihilation::GetMeanLifeTime(const G4Track&,
G4ForceCondition*)
// returns the annihilation mean life time in GEANT4 internal units
{
return 0.0;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4VParticleChange* G4eplusAnnihilation::PostStepDoIt(const G4Track& aTrack,
@@ -186,7 +279,7 @@ G4VParticleChange* G4eplusAnnihilation::PostStepDoIt(const G4Track& aTrack,
// GEANT4 internal units.
//
// Note 1: The initial electron is assumed free and at rest.
//
//
// Note 2: The annihilation processes producing one or more than two photons are
// ignored, as negligible compared to the two photons process.
@@ -242,7 +335,7 @@ G4VParticleChange* G4eplusAnnihilation::PostStepDoIt(const G4Track& aTrack,
G4double Phot1Energy = epsil*TotalAvailableEnergy;
if (Phot1Energy > fminimalEnergy) {
G4ThreeVector Phot1Direction (dirx, diry, dirz);
Phot1Direction.rotateUz(PositDirection);
Phot1Direction.rotateUz(PositDirection);
// create G4DynamicParticle object for the particle1
G4DynamicParticle* aParticle1= new G4DynamicParticle (G4Gamma::Gamma(),
Phot1Direction, Phot1Energy);
@@ -264,15 +357,14 @@ G4VParticleChange* G4eplusAnnihilation::PostStepDoIt(const G4Track& aTrack,
}
else localEnergyDeposit += Phot2Energy;
aParticleChange.SetLocalEnergyDeposit(localEnergyDeposit);
aParticleChange.ProposeLocalEnergyDeposit(localEnergyDeposit);
//
// Kill the incident positron
//
aParticleChange.SetMomentumChange( 0., 0., 0. );
aParticleChange.SetEnergyChange(0.);
aParticleChange.SetStatusChange(fStopAndKill);
aParticleChange.ProposeEnergy(0.);
aParticleChange.ProposeTrackStatus(fStopAndKill);
return &aParticleChange;
}
@@ -288,7 +380,7 @@ G4VParticleChange* G4eplusAnnihilation::AtRestDoIt(const G4Track& aTrack,
// GEANT4 internal units
//
// Note : Effects due to binding of atomic electrons are negliged.
{
aParticleChange.Initialize(aTrack);
@@ -303,19 +395,19 @@ G4VParticleChange* G4eplusAnnihilation::AtRestDoIt(const G4Track& aTrack,
aParticleChange.AddSecondary( new G4DynamicParticle (G4Gamma::Gamma(),
-Direction, electron_mass_c2) );
aParticleChange.SetLocalEnergyDeposit(0.);
aParticleChange.ProposeLocalEnergyDeposit(0.);
// Kill the incident positron
//
aParticleChange.SetStatusChange(fStopAndKill);
aParticleChange.ProposeTrackStatus(fStopAndKill);
return &aParticleChange;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4bool G4eplusAnnihilation::StorePhysicsTable(G4ParticleDefinition* particle,
const G4String& directory,
G4bool G4eplusAnnihilation::StorePhysicsTable(const G4ParticleDefinition* particle,
const G4String& directory,
G4bool ascii)
{
G4String filename;
@@ -335,17 +427,17 @@ G4bool G4eplusAnnihilation::StorePhysicsTable(G4ParticleDefinition* particle,
<< G4endl;
return false;
}
G4cout << GetProcessName() << " for " << particle->GetParticleName()
<< ": Success to store the PhysicsTables in "
<< ": Success to store the PhysicsTables in "
<< directory << G4endl;
return true;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4bool G4eplusAnnihilation::RetrievePhysicsTable(G4ParticleDefinition* particle,
const G4String& directory,
/*
G4bool G4eplusAnnihilation::RetrievePhysicsTable(const G4ParticleDefinition* particle,
const G4String& directory,
G4bool ascii)
{
// delete theCrossSectionTable and theMeanFreePathTable
@@ -365,7 +457,7 @@ G4bool G4eplusAnnihilation::RetrievePhysicsTable(G4ParticleDefinition* particle,
theCrossSectionTable = new G4PhysicsTable(G4Element::GetNumberOfElements());
if ( !theCrossSectionTable->RetrievePhysicsTable(filename, ascii) ){
G4cout << " FAIL theCrossSectionTable->RetrievePhysicsTable in " << filename
<< G4endl;
<< G4endl;
return false;
}
@@ -374,16 +466,16 @@ G4bool G4eplusAnnihilation::RetrievePhysicsTable(G4ParticleDefinition* particle,
theMeanFreePathTable = new G4PhysicsTable(G4Material::GetNumberOfMaterials());
if ( !theMeanFreePathTable->RetrievePhysicsTable(filename, ascii) ){
G4cout << " FAIL theMeanFreePathTable->RetrievePhysicsTable in " << filename
<< G4endl;
<< G4endl;
return false;
}
G4cout << GetProcessName() << " for " << particle->GetParticleName()
<< ": Success to retrieve the PhysicsTables from "
<< directory << G4endl;
return true;
}
*/
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void G4eplusAnnihilation::PrintInfoDefinition()