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This commit is contained in:
Gabriele Cosmo
2016-06-10 11:51:14 +02:00
parent e2d2f9810a
commit 286caacf06
12421 changed files with 730077 additions and 502383 deletions
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source/processes/electromagnetic/lowenergy/src/G4LivermoreGammaConversionModel.cc
+97 -50
View File
@@ -25,11 +25,14 @@
//
// Author: Sebastien Incerti
// 22 January 2012
// on base of G4LivermoreGammaConversionModel
// on base of G4LivermoreGammaConversionModel (original version)
// and G4LivermoreRayleighModel (MT version)
#include "G4LivermoreGammaConversionModel.hh"
#include "G4PhysicalConstants.hh"
#include "G4SystemOfUnits.hh"
#include "G4Log.hh"
#include "G4Exp.hh"
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
@@ -37,14 +40,16 @@ using namespace std;
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
G4LivermoreGammaConversionModel::G4LivermoreGammaConversionModel(const G4ParticleDefinition*,
const G4String& nam)
:G4VEmModel(nam),smallEnergy(2.*MeV),isInitialised(false),maxZ(99)
G4int G4LivermoreGammaConversionModel::maxZ = 99;
G4LPhysicsFreeVector* G4LivermoreGammaConversionModel::data[] = {0};
G4LivermoreGammaConversionModel::G4LivermoreGammaConversionModel
(const G4ParticleDefinition*, const G4String& nam)
:G4VEmModel(nam),isInitialised(false),smallEnergy(2.*MeV)
{
fParticleChange = 0;
lowEnergyLimit = 2.0*electron_mass_c2;
data.resize(maxZ+1,0);
verboseLevel= 0;
// Verbosity scale for debugging purposes:
@@ -61,53 +66,57 @@ G4LivermoreGammaConversionModel::G4LivermoreGammaConversionModel(const G4Particl
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
G4LivermoreGammaConversionModel::~G4LivermoreGammaConversionModel()
{
for(G4int i=0; i<=maxZ; ++i) { delete data[i]; }
}
{}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
void
G4LivermoreGammaConversionModel::Initialise(const G4ParticleDefinition* particle,
const G4DataVector& cuts)
void G4LivermoreGammaConversionModel::Initialise(
const G4ParticleDefinition* particle,
const G4DataVector& cuts)
{
if (verboseLevel > 1)
{
G4cout << "Calling Initialise() of G4LivermoreGammaConversionModel." << G4endl
G4cout << "Calling Initialise() of G4LivermoreGammaConversionModel."
<< G4endl
<< "Energy range: "
<< LowEnergyLimit() / MeV << " MeV - "
<< HighEnergyLimit() / GeV << " GeV"
<< G4endl;
}
// Initialise element selector
InitialiseElementSelectors(particle, cuts);
// Access to elements
char* path = getenv("G4LEDATA");
G4ProductionCutsTable* theCoupleTable =
G4ProductionCutsTable::GetProductionCutsTable();
G4int numOfCouples = theCoupleTable->GetTableSize();
for(G4int i=0; i<numOfCouples; ++i)
if(IsMaster())
{
const G4Material* material =
theCoupleTable->GetMaterialCutsCouple(i)->GetMaterial();
const G4ElementVector* theElementVector = material->GetElementVector();
G4int nelm = material->GetNumberOfElements();
for (G4int j=0; j<nelm; ++j)
// Initialise element selector
InitialiseElementSelectors(particle, cuts);
// Access to elements
char* path = getenv("G4LEDATA");
G4ProductionCutsTable* theCoupleTable =
G4ProductionCutsTable::GetProductionCutsTable();
G4int numOfCouples = theCoupleTable->GetTableSize();
for(G4int i=0; i<numOfCouples; ++i)
{
G4int Z = (G4int)(*theElementVector)[j]->GetZ();
if(Z < 1) { Z = 1; }
else if(Z > maxZ) { Z = maxZ; }
if(!data[Z]) { ReadData(Z, path); }
const G4Material* material =
theCoupleTable->GetMaterialCutsCouple(i)->GetMaterial();
const G4ElementVector* theElementVector = material->GetElementVector();
G4int nelm = material->GetNumberOfElements();
for (G4int j=0; j<nelm; ++j)
{
G4int Z = (G4int)(*theElementVector)[j]->GetZ();
if(Z < 1) { Z = 1; }
else if(Z > maxZ) { Z = maxZ; }
if(!data[Z]) { ReadData(Z, path); }
}
}
}
//
if(isInitialised) { return; }
@@ -117,6 +126,24 @@ G4LivermoreGammaConversionModel::Initialise(const G4ParticleDefinition* particle
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
void G4LivermoreGammaConversionModel::InitialiseLocal(const G4ParticleDefinition*,
G4VEmModel* masterModel)
{
SetElementSelectors(masterModel->GetElementSelectors());
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
G4double
G4LivermoreGammaConversionModel::MinPrimaryEnergy(const G4Material*,
const G4ParticleDefinition*,
G4double)
{
return lowEnergyLimit;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
void G4LivermoreGammaConversionModel::ReadData(size_t Z, const char* path)
{
if (verboseLevel > 1)
@@ -145,8 +172,6 @@ void G4LivermoreGammaConversionModel::ReadData(size_t Z, const char* path)
data[Z] = new G4LPhysicsFreeVector();
// Activation of spline interpolation
data[Z] ->SetSpline(true);
//
std::ostringstream ost;
@@ -172,7 +197,9 @@ void G4LivermoreGammaConversionModel::ReadData(size_t Z, const char* path)
data[Z]->Retrieve(fin, true);
}
// Activation of spline interpolation
data[Z] ->SetSpline(true);
}
@@ -200,11 +227,11 @@ G4LivermoreGammaConversionModel::ComputeCrossSectionPerAtom(const G4ParticleDefi
G4LPhysicsFreeVector* pv = data[intZ];
// element was not initialised
// if element was not initialised
// do initialisation safely for MT mode
if(!pv)
{
char* path = getenv("G4LEDATA");
ReadData(intZ, path);
InitialiseForElement(0, intZ);
pv = data[intZ];
if(!pv) { return xs; }
}
@@ -214,7 +241,8 @@ G4LivermoreGammaConversionModel::ComputeCrossSectionPerAtom(const G4ParticleDefi
if(verboseLevel > 0)
{
G4int n = pv->GetVectorLength() - 1;
G4cout << "****** DEBUG: tcs value for Z=" << Z << " at energy (MeV)=" << GammaEnergy/MeV << G4endl;
G4cout << "****** DEBUG: tcs value for Z=" << Z << " at energy (MeV)="
<< GammaEnergy/MeV << G4endl;
G4cout << " cs (Geant4 internal unit)=" << xs << G4endl;
G4cout << " -> first cs value in EADL data file (iu) =" << (*pv)[0] << G4endl;
G4cout << " -> last cs value in EADL data file (iu) =" << (*pv)[n] << G4endl;
@@ -244,8 +272,10 @@ void G4LivermoreGammaConversionModel::SampleSecondaries(
// pair creation in both nuclear and atomic electron fields. However triplet
// prodution is not generated.
if (verboseLevel > 1)
G4cout << "Calling SampleSecondaries() of G4LivermoreGammaConversionModel" << G4endl;
if (verboseLevel > 1) {
G4cout << "Calling SampleSecondaries() of G4LivermoreGammaConversionModel"
<< G4endl;
}
G4double photonEnergy = aDynamicGamma->GetKineticEnergy();
G4ParticleMomentum photonDirection = aDynamicGamma->GetMomentumDirection();
@@ -285,7 +315,7 @@ void G4LivermoreGammaConversionModel::SampleSecondaries(
// Limits of the screening variable
G4double screenFactor = 136. * epsilon0Local / (element->GetIonisation()->GetZ3()) ;
G4double screenMax = std::exp ((42.24 - fZ)/8.368) - 0.952 ;
G4double screenMax = G4Exp ((42.24 - fZ)/8.368) - 0.952 ;
G4double screenMin = std::min(4.*screenFactor,screenMax) ;
// Limits of the energy sampling
@@ -348,11 +378,11 @@ void G4LivermoreGammaConversionModel::SampleSecondaries(
// if (9. / (9. + d) > G4UniformRand())
if (0.25 > G4UniformRand())
{
u = - std::log(G4UniformRand() * G4UniformRand()) / a1 ;
u = - G4Log(G4UniformRand() * G4UniformRand()) / a1 ;
}
else
{
u = - std::log(G4UniformRand() * G4UniformRand()) / a2 ;
u = - G4Log(G4UniformRand() * G4UniformRand()) / a2 ;
}
G4double thetaEle = u*electron_mass_c2/electronTotEnergy;
@@ -406,7 +436,7 @@ G4LivermoreGammaConversionModel::ScreenFunction1(G4double screenVariable)
G4double value;
if (screenVariable > 1.)
value = 42.24 - 8.368 * std::log(screenVariable + 0.952);
value = 42.24 - 8.368 * G4Log(screenVariable + 0.952);
else
value = 42.392 - screenVariable * (7.796 - 1.961 * screenVariable);
@@ -423,10 +453,27 @@ G4LivermoreGammaConversionModel::ScreenFunction2(G4double screenVariable)
G4double value;
if (screenVariable > 1.)
value = 42.24 - 8.368 * std::log(screenVariable + 0.952);
value = 42.24 - 8.368 * G4Log(screenVariable + 0.952);
else
value = 41.405 - screenVariable * (5.828 - 0.8945 * screenVariable);
return value;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
#include "G4AutoLock.hh"
namespace { G4Mutex LivermoreGammaConversionModelMutex = G4MUTEX_INITIALIZER; }
void G4LivermoreGammaConversionModel::InitialiseForElement(
const G4ParticleDefinition*,
G4int Z)
{
G4AutoLock l(&LivermoreGammaConversionModelMutex);
// G4cout << "G4LivermoreGammaConversionModel::InitialiseForElement Z= "
// << Z << G4endl;
if(!data[Z]) { ReadData(Z); }
l.unlock();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......