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This commit is contained in:
Gabriele Cosmo
2021-06-25 16:12:29 +02:00
parent c968e26a39
commit 6399a014b6
4200 changed files with 207479 additions and 237366 deletions
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source/processes/electromagnetic/lowenergy/src/G4LivermoreComptonModifiedModel.cc
+19 -31
View File
@@ -62,9 +62,10 @@ using namespace std;
G4LivermoreComptonModifiedModel::G4LivermoreComptonModifiedModel(const G4ParticleDefinition*,
const G4String& nam)
:G4VEmModel(nam),fParticleChange(0),isInitialised(false),
scatterFunctionData(0),
crossSectionHandler(0),fAtomDeexcitation(0)
:G4VEmModel(nam),fParticleChange(nullptr),
scatterFunctionData(nullptr),
crossSectionHandler(nullptr),fAtomDeexcitation(nullptr),
isInitialised(false)
{
verboseLevel=0 ;
// Verbosity scale:
@@ -79,7 +80,6 @@ G4LivermoreComptonModifiedModel::G4LivermoreComptonModifiedModel(const G4Particl
//Mark this model as "applicable" for atomic deexcitation
SetDeexcitationFlag(true);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
@@ -168,7 +168,6 @@ void G4LivermoreComptonModifiedModel::SampleSecondaries(std::vector<G4DynamicPar
const G4DynamicParticle* aDynamicGamma,
G4double, G4double)
{
// The scattered gamma energy is sampled according to Klein - Nishina formula.
// then accepted or rejected depending on the Scattering Function multiplied
// by factor from Klein - Nishina formula.
@@ -273,19 +272,13 @@ void G4LivermoreComptonModifiedModel::SampleSecondaries(std::vector<G4DynamicPar
shellIdx = shellData.SelectRandomShell(Z);
bindingE = shellData.BindingEnergy(Z,shellIdx);
// Randomly sample bound electron momentum
// (memento: the data set is in Atomic Units)
G4double pSample = profileData.RandomSelectMomentum(Z,shellIdx);
// Rescale from atomic units
//Kinetic energy of target electron
// Reverse vector projection onto scattering vector
do {
Alpha = G4UniformRand()*pi/2.0;
} while(Alpha >= (pi/2.0));
@@ -293,7 +286,6 @@ void G4LivermoreComptonModifiedModel::SampleSecondaries(std::vector<G4DynamicPar
ePAU = pSample / std::cos(Alpha);
// Convert to SI and the calculate electron energy in natural units
G4double ePSI = ePAU * momentum_au_to_nat;
G4double u_temp = sqrt( ((ePSI*ePSI)*(vel_c*vel_c)) / ((e_mass_kg*e_mass_kg)*(vel_c*vel_c)+(ePSI*ePSI)))/vel_c;
G4double eEIncident = electron_mass_c2 / sqrt( 1 - (u_temp*u_temp));
@@ -328,15 +320,14 @@ void G4LivermoreComptonModifiedModel::SampleSecondaries(std::vector<G4DynamicPar
G4double eKineticEnergy = systemE - photonE - bindingE - electron_mass_c2;
// protection against negative final energy: no e- is created
G4double eDirX = 0.0;
G4double eDirY = 0.0;
G4double eDirZ = 1.0;
G4double eDirX = 0.0;
G4double eDirY = 0.0;
G4double eDirZ = 1.0;
if(eKineticEnergy < 0.0) {
G4cout << "Error, kinetic energy of electron less than zero" << G4endl;
}
else{
}
else{
// Estimation of Compton electron polar angle taken from:
// The EGSnrc Code System: Monte Carlo Simulation of Electron and Photon Transport
// Eqn 2.2.25 Pg 42, NRCC Report PIRS-701
@@ -354,11 +345,9 @@ void G4LivermoreComptonModifiedModel::SampleSecondaries(std::vector<G4DynamicPar
G4DynamicParticle* dp = new G4DynamicParticle (G4Electron::Electron(),
eDirection,eKineticEnergy) ;
fvect->push_back(dp);
}
}
// Revert to original if maximum number of iterations threshold has been reached
if (iteration >= maxDopplerIterations)
{
photonE = photonEoriginal;
@@ -366,7 +355,6 @@ void G4LivermoreComptonModifiedModel::SampleSecondaries(std::vector<G4DynamicPar
}
// Update G4VParticleChange for the scattered photon
G4ThreeVector photonDirection1(dirx,diry,dirz);
photonDirection1.rotateUz(photonDirection0);
fParticleChange->ProposeMomentumDirection(photonDirection1) ;
@@ -377,13 +365,13 @@ void G4LivermoreComptonModifiedModel::SampleSecondaries(std::vector<G4DynamicPar
{
fParticleChange->SetProposedKineticEnergy(photonEnergy1) ;
if (iteration < maxDopplerIterations)
if (iteration < maxDopplerIterations)
{
G4ThreeVector eDirection(eDirX,eDirY,eDirZ);
eDirection.rotateUz(photonDirection0);
G4DynamicParticle* dp = new G4DynamicParticle (G4Electron::Electron(),
eDirection,eKineticEnergy) ;
fvect->push_back(dp);
G4ThreeVector eDirection(eDirX,eDirY,eDirZ);
eDirection.rotateUz(photonDirection0);
G4DynamicParticle* dp = new G4DynamicParticle (G4Electron::Electron(),
eDirection,eKineticEnergy) ;
fvect->push_back(dp);
}
}
else
@@ -391,8 +379,8 @@ void G4LivermoreComptonModifiedModel::SampleSecondaries(std::vector<G4DynamicPar
photonEnergy1 = 0.;
fParticleChange->SetProposedKineticEnergy(0.) ;
fParticleChange->ProposeTrackStatus(fStopAndKill);
}
}
// sample deexcitation
//
if(fAtomDeexcitation && iteration < maxDopplerIterations) {