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This commit is contained in:
Gabriele Cosmo
2016-06-09 15:16:48 +02:00
parent 75c7fd177d
commit a8e9364cea
6592 changed files with 84274 additions and 69292 deletions
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source/processes/electromagnetic/standard/src/G4eBremsstrahlungModel.cc
+39 -22
View File
@@ -23,8 +23,8 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4eBremsstrahlungModel.cc,v 1.37 2007/02/15 10:37:37 maire Exp $
// GEANT4 tag $Name: geant4-08-03 $
// $Id: G4eBremsstrahlungModel.cc,v 1.39 2007/05/23 08:47:35 vnivanch Exp $
// GEANT4 tag $Name: geant4-09-00 $
//
// -------------------------------------------------------------------
//
@@ -81,18 +81,20 @@ using namespace std;
G4eBremsstrahlungModel::G4eBremsstrahlungModel(const G4ParticleDefinition* p,
const G4String& nam)
: G4VEmModel(nam),
particle(0),
minThreshold(1.0*keV),
isElectron(true),
highKinEnergy(100.*TeV),
lowKinEnergy(1.0*keV),
probsup(1.0),
MigdalConstant(classic_electr_radius*electron_Compton_length*electron_Compton_length/pi),
LPMconstant(fine_structure_const*electron_mass_c2*electron_mass_c2/(4.*pi*hbarc)),
theLPMflag(true)
particle(0),
isElectron(true),
probsup(1.0),
MigdalConstant(classic_electr_radius*electron_Compton_length*electron_Compton_length/pi),
LPMconstant(fine_structure_const*electron_mass_c2*electron_mass_c2/(4.*pi*hbarc)),
theLPMflag(true),
isInitialised(false)
{
if(p) SetParticle(p);
theGamma = G4Gamma::Gamma();
minThreshold = 1.0*keV;
highKinEnergy= 100.*TeV;
lowKinEnergy = 1.0*keV;
highEnergyTh = DBL_MAX;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
@@ -159,11 +161,14 @@ void G4eBremsstrahlungModel::Initialise(const G4ParticleDefinition* p,
}
}
}
if(isInitialised) return;
if(pParticleChange)
fParticleChange = reinterpret_cast<G4ParticleChangeForLoss*>(pParticleChange);
else
fParticleChange = new G4ParticleChangeForLoss();
isInitialised = true;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
@@ -645,11 +650,11 @@ G4DataVector* G4eBremsstrahlungModel::ComputePartialSumSigma(
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
std::vector<G4DynamicParticle*>* G4eBremsstrahlungModel::SampleSecondaries(
const G4MaterialCutsCouple* couple,
const G4DynamicParticle* dp,
G4double tmin,
G4double maxEnergy)
void G4eBremsstrahlungModel::SampleSecondaries(std::vector<G4DynamicParticle*>* vdp,
const G4MaterialCutsCouple* couple,
const G4DynamicParticle* dp,
G4double tmin,
G4double maxEnergy)
// The emitted gamma energy is sampled using a parametrized formula
// from L. Urban.
// This parametrization is derived from :
@@ -666,7 +671,7 @@ std::vector<G4DynamicParticle*>* G4eBremsstrahlungModel::SampleSecondaries(
{
G4double kineticEnergy = dp->GetKineticEnergy();
G4double tmax = min(maxEnergy, kineticEnergy);
if(tmin >= tmax) return 0;
if(tmin >= tmax) return;
//
// GEANT4 internal units.
@@ -861,19 +866,31 @@ std::vector<G4DynamicParticle*>* G4eBremsstrahlungModel::SampleSecondaries(
gammaDirection.rotateUz(direction);
// create G4DynamicParticle object for the Gamma
std::vector<G4DynamicParticle*>* newp = new std::vector<G4DynamicParticle*>;
G4DynamicParticle* g = new G4DynamicParticle(theGamma,gammaDirection,
gammaEnergy);
newp->push_back(g);
vdp->push_back(g);
G4double totMomentum = sqrt(kineticEnergy*(totalEnergy + electron_mass_c2));
G4ThreeVector dir = totMomentum*direction - gammaEnergy*gammaDirection;
direction = dir.unit();
fParticleChange->SetProposedMomentumDirection(direction);
fParticleChange->SetProposedKineticEnergy(kineticEnergy - gammaEnergy);
// energy of primary
G4double finalE = kineticEnergy - gammaEnergy;
return newp;
// stop tracking and create new secondary instead of primary
if(gammaEnergy > highEnergyTh) {
fParticleChange->ProposeTrackStatus(fStopAndKill);
fParticleChange->SetProposedKineticEnergy(0.0);
G4DynamicParticle* el =
new G4DynamicParticle(const_cast<G4ParticleDefinition*>(particle),
direction, finalE);
vdp->push_back(el);
// continue tracking
} else {
fParticleChange->SetProposedMomentumDirection(direction);
fParticleChange->SetProposedKineticEnergy(finalE);
}
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....