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This commit is contained in:
Gabriele Cosmo
2016-06-09 15:07:44 +02:00
parent fe73f43734
commit 75c7fd177d
764 changed files with 45230 additions and 95238 deletions
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source/processes/hadronic/models/coherent_elastic/src/G4ChargeExchangeProcess.cc
+19 -27
View File
@@ -24,8 +24,8 @@
// ********************************************************************
//
//
// $Id: G4ChargeExchangeProcess.cc,v 1.7 2006/08/10 15:44:28 vnivanch Exp $
// GEANT4 tag $Name: geant4-08-02 $
// $Id: G4ChargeExchangeProcess.cc,v 1.9 2007/01/30 10:23:26 vnivanch Exp $
// GEANT4 tag $Name: geant4-08-03 $
//
//
// Geant4 Hadron Elastic Scattering Process -- header file
@@ -36,7 +36,8 @@
// 24-Apr-06 V.Ivanchenko add neutron scattering on hydrogen from CHIPS
// 07-Jun-06 V.Ivanchenko fix problem of rotation of final state
// 25-Jul-06 V.Ivanchenko add 19 MeV low energy for CHIPS
//
// 23-Jan-07 V.Ivanchenko add cross section interfaces with Z and A
// and do not use CHIPS for cross sections
//
#include "G4ChargeExchangeProcess.hh"
@@ -187,23 +188,12 @@ G4double G4ChargeExchangeProcess::GetMicroscopicCrossSection(
G4int iz = G4int(Z);
G4double x = 0.0;
if(iz == 1) return x;
// CHIPS cross sections
G4double momentum = dp->GetTotalMomentum();
if(iz == 2 && dp->GetKineticEnergy() > thEnergy &&
(theParticle == theProton || theParticle == theNeutron)) {
G4double momentum = dp->GetTotalMomentum();
if(verboseLevel>1)
G4cout << "G4ChargeExchangeProcess compute CHIPS CS for Z= 2, N=2 "
<< G4endl;
x = qCManager->GetCrossSection(false,momentum,2,2,pPDG);
} else {
if(verboseLevel>1)
G4cout << "G4ChargeExchangeProcess compute GHAD CS for element "
<< elm->GetName()
<< G4endl;
x = store->GetCrossSection(dp, elm, temp);
}
if(verboseLevel>1)
G4cout << "G4ChargeExchangeProcess compute GHAD CS for element "
<< elm->GetName()
<< G4endl;
x = store->GetCrossSection(dp, elm, temp);
// NaN finder
if(!(x < 0.0 || x >= 0.0)) {
@@ -226,7 +216,7 @@ G4double G4ChargeExchangeProcess::GetMicroscopicCrossSection(
<< G4endl;
G4bool b;
G4double A = elm->GetN();
x *= factors->GetValue(momentum, b)/std::pow(A, 0.42);
x *= factors->GetValue(dp->GetTotalMomentum(), b)/std::pow(A, 0.42);
if(theParticle == thePiPlus || theParticle == theProton ||
theParticle == theKPlus || theParticle == theANeutron)
x *= (1.0 - Z/A);
@@ -261,25 +251,27 @@ G4VParticleChange* G4ChargeExchangeProcess::PostStepDoIt(
elm = (*theElementVector)[i];
}
G4double Z = elm->GetZ();
G4double A = elm->GetN();
G4double A = G4double(G4int(elm->GetN()+0.5));
// Select isotope
G4IsotopeVector* isv = elm->GetIsotopeVector();
G4IsotopeVector* isv = elm->GetIsotopeVector();
G4int ni = 0;
if(isv) ni = isv->size();
if(ni == 1) {
A = G4double(elm->GetIsotope(0)->GetN());
if(ni == 1) {
A = G4double((*isv)[0]->GetN());
} else if(ni > 1) {
G4double* ab = elm->GetRelativeAbundanceVector();
G4double y = G4UniformRand();
G4int j = -1;
ni--;
G4double y = G4UniformRand();
do {
j++;
y -= ab[j];
} while (y > 0.0 && j < ni);
A = G4double(elm->GetIsotope(j)->GetN());
}
A = G4double((*isv)[j]->GetN());
}
G4HadronicInteraction* hadi =
ChooseHadronicInteraction( kineticEnergy, material, elm);