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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/muons/src/G4MuPairProductionModel.cc
+25 -19
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@@ -23,8 +23,8 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4MuPairProductionModel.cc,v 1.31 2007/04/24 11:51:52 vnivanch Exp $
// GEANT4 tag $Name: geant4-08-03 $
// $Id: G4MuPairProductionModel.cc,v 1.33 2007/05/22 17:35:58 vnivanch Exp $
// GEANT4 tag $Name: geant4-09-00 $
//
// -------------------------------------------------------------------
//
@@ -56,8 +56,9 @@
// 03-08-05 Add SetParticle method (V.Ivantchenko)
// 23-10-05 Add protection in sampling of e+e- pair energy needed for
// low cuts (V.Ivantchenko)
// 13-02-06 add ComputeCrossSectionPerAtom (mma)
// 24-04-07 add protection in SelectAtom method (V.Ivantchenko)
// 13-02-06 Add ComputeCrossSectionPerAtom (mma)
// 24-04-07 Add protection in SelectRandomAtom method (V.Ivantchenko)
// 12-05-06 Updated sampling (use cut) in SelectRandomAtom (A.Bogdanov)
//
// Class Description:
@@ -470,11 +471,11 @@ void G4MuPairProductionModel::MakeSamplingTables()
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
vector<G4DynamicParticle*>* G4MuPairProductionModel::SampleSecondaries(
const G4MaterialCutsCouple* couple,
const G4DynamicParticle* aDynamicParticle,
G4double tmin,
G4double tmax)
void G4MuPairProductionModel::SampleSecondaries(std::vector<G4DynamicParticle*>* vdp,
const G4MaterialCutsCouple* couple,
const G4DynamicParticle* aDynamicParticle,
G4double tmin,
G4double tmax)
{
G4double kineticEnergy = aDynamicParticle->GetKineticEnergy();
G4double totalEnergy = kineticEnergy + particleMass ;
@@ -487,13 +488,13 @@ vector<G4DynamicParticle*>* G4MuPairProductionModel::SampleSecondaries(
G4double dt = log(kineticEnergy/tdat[it-1])/log(tdat[it]/tdat[it-1]);
// select randomly one element constituing the material
const G4Element* anElement = SelectRandomAtom(kineticEnergy, dt, it, couple);
const G4Element* anElement = SelectRandomAtom(kineticEnergy, dt, it, couple, tmin);
SetCurrentElement(anElement->GetZ());
G4double maxPairEnergy = MaxSecondaryEnergy(particle,kineticEnergy);
G4double maxEnergy = std::min(tmax, maxPairEnergy);
G4double minEnergy = std::max(tmin, minPairEnergy);
if(minEnergy >= maxEnergy) return 0;
if(minEnergy >= maxEnergy) return;
//G4cout << "emin= " << minEnergy << " emax= " << maxEnergy
// << " minPair= " << minPairEnergy << " maxpair= " << maxPairEnergy
// << " ymin= " << ymin << " dy= " << dy << G4endl;
@@ -594,18 +595,15 @@ vector<G4DynamicParticle*>* G4MuPairProductionModel::SampleSecondaries(
kineticEnergy -= (ElectronEnergy + PositronEnergy);
fParticleChange->SetProposedKineticEnergy(kineticEnergy);
vector<G4DynamicParticle*>* vdp = new vector<G4DynamicParticle*>;
vdp->push_back(aParticle1);
vdp->push_back(aParticle2);
return vdp;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
const G4Element* G4MuPairProductionModel::SelectRandomAtom(
G4double kinEnergy, G4double dt, G4int it,
const G4MaterialCutsCouple* couple)
const G4MaterialCutsCouple* couple, G4double tmin)
{
// select randomly 1 element within the material
@@ -628,18 +626,26 @@ const G4Element* G4MuPairProductionModel::SelectRandomAtom(
G4double Z = ((*theElementVector)[i])->GetZ();
SetCurrentElement(Z);
G4double maxPairEnergy = MaxSecondaryEnergy(particle,kinEnergy);
G4double minEnergy = std::max(tmin, minPairEnergy);
G4int iz;
for(iz=1; iz<nzdat; iz++) {if(Z <= zdat[iz]) break;}
if(iz == nzdat) iz--;
G4double dz = log(Z/zdat[iz-1])/log(zdat[iz]/zdat[iz-1]);
G4double xc = log(kinEnergy/minPairEnergy)/log(maxPairEnergy/minPairEnergy);
G4int iy = (G4int)((log(xc) - ymin)/dy);
if(iy >= nbiny) iy = nbiny-1;
G4double sigcut;
if(minEnergy <= minPairEnergy)
sigcut = 0.;
else
{
G4double xc = log(minEnergy/minPairEnergy)/log(maxPairEnergy/minPairEnergy);
G4int iy = (G4int)((log(xc) - ymin)/dy);
if(iy < 0) iy = 0;
if(iy >= nbiny) iy = nbiny-1;
sigcut = InterpolatedIntegralCrossSection(dt,dz,iz,it,iy, Z);
}
G4double sigtot = InterpolatedIntegralCrossSection(dt,dz,iz,it,nbiny,Z);
G4double sigcut = InterpolatedIntegralCrossSection(dt,dz,iz,it,iy, Z);
G4double dl = (sigtot - sigcut)*theAtomNumDensityVector[i];
// protection