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This commit is contained in:
Gabriele Cosmo
2016-12-09 12:35:28 +01:00
parent 4ec577e5c4
commit a3452e42ac
3514 changed files with 210500 additions and 89628 deletions
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source/processes/electromagnetic/standard/src/G4eplusAnnihilation.cc
+12 -7
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@@ -23,7 +23,7 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4eplusAnnihilation.cc 68797 2013-04-05 13:27:11Z gcosmo $
// $Id: G4eplusAnnihilation.cc 101249 2016-11-10 08:52:15Z gcosmo $
//
// -------------------------------------------------------------------
//
@@ -128,15 +128,18 @@ G4VParticleChange* G4eplusAnnihilation::AtRestDoIt(const G4Track& aTrack,
// Note : Effects due to binding of atomic electrons are negliged.
{
fParticleChange.InitializeForPostStep(aTrack);
CLHEP::HepRandomEngine* rndmEngine = G4Random::getTheEngine();
G4double cosTeta = 2.*G4UniformRand()-1.;
G4double cosTeta = 2.*rndmEngine->flat()-1.;
G4double sinTeta = sqrt((1.-cosTeta)*(1.0 + cosTeta));
G4double phi = twopi * G4UniformRand();
G4double phi = twopi * rndmEngine->flat();
G4ThreeVector dir(sinTeta*cos(phi), sinTeta*sin(phi), cosTeta);
phi = twopi * G4UniformRand();
G4ThreeVector pol(cos(phi), sin(phi), 0.0);
phi = twopi * rndmEngine->flat();
G4double cosphi = cos(phi);
G4double sinphi = sin(phi);
G4ThreeVector pol(cosphi, sinphi, 0.0);
pol.rotateUz(dir);
// e+ parameters
G4double weight = aTrack.GetWeight();
G4double time = aTrack.GetGlobalTime();
@@ -152,7 +155,9 @@ G4VParticleChange* G4eplusAnnihilation::AtRestDoIt(const G4Track& aTrack,
pParticleChange->AddSecondary(track);
dp = new G4DynamicParticle(theGamma,-dir, electron_mass_c2);
dp->SetPolarization(-pol.x(),-pol.y(),-pol.z());
pol.set(-sinphi, cosphi, 0.0);
pol.rotateUz(dir);
dp->SetPolarization(pol.x(),pol.y(),pol.z());
track = new G4Track(dp, time, aTrack.GetPosition());
track->SetTouchableHandle(aTrack.GetTouchableHandle());
track->SetWeight(weight);