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This commit is contained in:
Gabriele Cosmo
2024-02-16 14:58:45 +01:00
parent 860a2b92bf
commit dda54bbdcf
331 changed files with 48457 additions and 50699 deletions
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source/processes/hadronic/models/radioactive_decay/src/G4BetaMinusDecay.cc
+13 -10
View File
@@ -58,7 +58,7 @@ G4BetaMinusDecay::G4BetaMinusDecay(const G4ParticleDefinition* theParentNucleus,
const G4Ions::G4FloatLevelBase& flb,
const G4BetaDecayType& betaType)
: G4NuclearDecay("beta- decay", BetaMinus, excitationE, flb),
maxEnergy(e0),
maxEnergy(e0/eMass),
estep(maxEnergy/(G4double)(npti - 1))
{
SetParent(theParentNucleus); // Store name of parent nucleus, delete G4MT_parent
@@ -98,7 +98,7 @@ G4DecayProducts* G4BetaMinusDecay::DecayIt(G4double)
G4DynamicParticle prim(fPrimaryIon, G4ThreeVector(0,0,1), 0.0);
G4DecayProducts* products = new G4DecayProducts(prim);
// Generate positron isotropic in angle, with energy from stored spectrum
// Generate electron isotropic in angle, with energy from stored spectrum
const G4double eKE = eMass*G4BetaSpectrumSampler::shoot(npti, cdf, estep);
G4double eMomentum = std::sqrt(eKE*(eKE + 2.*eMass));
@@ -111,14 +111,14 @@ G4DecayProducts* G4BetaMinusDecay::DecayIt(G4double)
<< " + " << fNeutrino->GetParticleName() << " Ee(MeV)=" << eKE
<< G4endl;
*/
// Fill G4MT_parent with theParentNucleus (stored by SetParent in ctor)
// 4-momentum of residual ion and neutrino
G4LorentzVector lv(-eMomentum*dir.x(), -eMomentum*dir.y(), -eMomentum*dir.z(),
parentMass - eKE - eMass);
G4double edel = std::max(lv.e() - resMass, 0.0);
if (edel > CLHEP::eV) {
G4double edel = std::max(lv.e() - resMass, 0.0);
// Free energy should be above zero
if (edel > 0.0) {
// centrum of mass system
G4double M = lv.mag();
@@ -157,16 +157,17 @@ G4BetaMinusDecay::SetUpBetaSpectrumSampler(const G4int& daughterZ,
{
cdf[0] = 0.0;
// Check for cases in which Q < 2Me (e.g. z67.a162)
// Check for cases in which Q < 0
if (maxEnergy > 0.) {
G4BetaDecayCorrections corrections(daughterZ, daughterA);
// Fill array to store cumulative spectrum
G4double ex;
G4double p; // Positron momentum in units of electron mass
G4double ex; // Kinetic energy normalized on electron mass
G4double p; // Momentum in units of electron mass
G4double f; // Spectral shape function
G4double f0 = 0.0;
G4double sum = 0.0;
for (G4int i = 1; i < npti; ++i) {
for (G4int i = 1; i < npti-1; ++i) {
ex = estep*i;
p = std::sqrt(ex*(ex + 2.));
f = p*(1. + ex)*(maxEnergy - ex)*(maxEnergy - ex);
@@ -176,9 +177,11 @@ G4BetaMinusDecay::SetUpBetaSpectrumSampler(const G4int& daughterZ,
// Apply shape factor for forbidden transitions
f *= corrections.ShapeFactor(betaType, p, maxEnergy - ex);
sum += f;
sum += f + f0;
cdf[i] = sum;
f0 = f;
}
cdf[npti-1] = sum + f0;
} else {
for (G4int i = 1; i < npti; ++i) { cdf[i] = 0.0; }
}
source/processes/hadronic/models/radioactive_decay/src/G4BetaPlusDecay.cc
+14 -8
View File
@@ -59,7 +59,7 @@ G4BetaPlusDecay::G4BetaPlusDecay(const G4ParticleDefinition* theParentNucleus,
const G4Ions::G4FloatLevelBase& flb,
const G4BetaDecayType& betaType)
: G4NuclearDecay("beta+ decay", BetaPlus, excitationE, flb),
maxEnergy((e0 - 2*eMass)/eMass),
maxEnergy(e0/eMass - 2.0),
estep(maxEnergy/(G4double)(npti - 1))
{
SetParent(theParentNucleus); // Store name of parent nucleus, delete G4MT_parent
@@ -88,7 +88,7 @@ G4BetaPlusDecay::G4BetaPlusDecay(const G4ParticleDefinition* theParentNucleus,
// Fill G4MT_parent with theParentNucleus (stored by SetParent in ctor)
CheckAndFillParent();
// Fill G4MT_daughters with e-, nu and residual nucleus (stored by SetDaughter)
// Fill G4MT_daughters with e+, nu and residual nucleus (stored by SetDaughter)
CheckAndFillDaughters();
}
@@ -117,8 +117,9 @@ G4DecayProducts* G4BetaPlusDecay::DecayIt(G4double)
G4LorentzVector lv(-eMomentum*dir.x(), -eMomentum*dir.y(), -eMomentum*dir.z(),
parentMass - eKE - eMass);
G4double edel = std::max(lv.e() - resMass, 0.0);
if (edel > CLHEP::eV) {
G4double edel = std::max(lv.e() - resMass, 0.0);
// Free energy should be above zero
if (edel > 0.0) {
// centrum of mass system
G4double M = lv.mag();
@@ -155,17 +156,20 @@ G4BetaPlusDecay::SetUpBetaSpectrumSampler(const G4int& daughterZ,
const G4int& daughterA,
const G4BetaDecayType& betaType)
{
cdf[0] = 0.0;
// Check for cases in which Q < 2Me (e.g. z67.a162)
if (maxEnergy > 0.) {
G4BetaDecayCorrections corrections(-daughterZ, daughterA);
// Fill array to store cumulative spectrum
G4double ex;
G4double ex; // Positron kinetic energy
G4double p; // Positron momentum in units of electron mass
G4double f; // Spectral shape function
G4double f0 = 0.0;
G4double sum = 0.0;
for (G4int i = 0; i < npti; ++i) {
ex = (0 == i) ? maxEnergy*1.e-6 : estep*i;
for (G4int i = 1; i < npti-1; ++i) {
ex = estep*i;
p = std::sqrt(ex*(ex + 2.));
f = p*(1. + ex)*(maxEnergy - ex)*(maxEnergy - ex);
@@ -174,9 +178,11 @@ G4BetaPlusDecay::SetUpBetaSpectrumSampler(const G4int& daughterZ,
// Apply shape factor for forbidden transitions
f *= corrections.ShapeFactor(betaType, p, maxEnergy - ex);
sum += f;
sum += f + f0;
cdf[i] = sum;
f0 = f;
}
cdf[npti-1] = sum + f0;
} else {
for (G4int i = 0; i < npti; ++i) { cdf[i] = 0.0; }
}
source/processes/hadronic/models/radioactive_decay/src/G4Radioactivation.cc
+1 -1
View File
@@ -459,7 +459,7 @@ CalculateChainsFromParent(const G4ParticleDefinition& theParentNucleus)
// summedDecayTable. If not, just add its BR to sum for that decay mode.
if (levelManager->NumberOfTransitions() ) {
nearestEnergy = levelManager->NearestLevelEnergy(daughterExcitation);
if (std::abs(daughterExcitation - nearestEnergy) < levelTolerance) {
if ((std::abs(daughterExcitation - nearestEnergy) < levelTolerance) && (std::abs(daughterExcitation - nearestEnergy) > DBL_EPSILON)) {
// Level half-life is in ns and the threshold is set to 1 micros
// by default, user can set it via the UI command
nearestLevelIndex = (G4int)levelManager->NearestLevelIndex(daughterExcitation);