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Gabriele Cosmo
2016-06-10 14:11:04 +02:00
parent c9b32a6c0a
commit d4af681f38
4886 changed files with 420149 additions and 1023309 deletions
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source/particles/management/src/G4NeutronBetaDecayChannel.cc
+5 -4
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@@ -24,7 +24,7 @@
// ********************************************************************
//
//
// $Id: G4NeutronBetaDecayChannel.cc 78171 2013-12-04 13:22:18Z gunter $
// $Id: G4NeutronBetaDecayChannel.cc 91896 2015-08-10 09:54:06Z gcosmo $
// GEANT4 tag $Name: geant4-09-04-ref-00 $
//
//
@@ -168,14 +168,15 @@ G4DecayProducts *G4NeutronBetaDecayChannel::DecayIt(G4double)
G4double w; // cosine of e-nu angle
G4double r;
G4double r0;
do {
const size_t MAX_LOOP=10000;
for (size_t loop_counter=0; loop_counter <MAX_LOOP; ++loop_counter){
x = xmax*G4UniformRand();
p = std::sqrt(x*(x+2.0*dm));
w = 1.0-2.0*G4UniformRand();
r = p*(x+dm)*(xmax-x)*(xmax-x)*(1.0+aENuCorr*p/(x+dm)*w);
r0 = G4UniformRand()*(xmax+dm)*(xmax+dm)*xmax*xmax*(1.0+aENuCorr);
} while (r < r0);
if (r > r0) break;
}
//create daughter G4DynamicParticle
// rotation materix to lab frame