Gabriele Cosmo
109 lines
2.8 KiB
C++
109 lines
2.8 KiB
C++
// neutron_hp -- source file
|
|
// J.P. Wellisch, Nov-1996
|
|
// A prototype of the low energy neutron transport model.
|
|
//
|
|
#include "G4NeutronHPFissionBaseFS.hh"
|
|
#include "G4ReactionProduct.hh"
|
|
#include "G4Nucleus.hh"
|
|
#include "G4Proton.hh"
|
|
#include "G4Deuteron.hh"
|
|
#include "G4Triton.hh"
|
|
#include "G4Alpha.hh"
|
|
#include "G4ThreeVector.hh"
|
|
#include "G4LorentzVector.hh"
|
|
#include "G4NeutronHPDataUsed.hh"
|
|
|
|
void G4NeutronHPFissionBaseFS::Init (G4double A, G4double Z, G4String & dirName, G4String & bit)
|
|
{
|
|
G4String tString = dirName;
|
|
G4bool dbool;
|
|
G4NeutronHPDataUsed aFile = theNames.GetName(A, Z, tString, bit, dbool);
|
|
G4String filename = aFile.GetName();
|
|
theBaseA = aFile.GetA();
|
|
theBaseZ = aFile.GetZ();
|
|
if(!dbool)
|
|
{
|
|
hasAnyData = false;
|
|
hasFSData = false;
|
|
hasXsec = false;
|
|
return; // no data for exactly this isotope.
|
|
}
|
|
#ifndef WIN32
|
|
ifstream theData(filename, ios::in);
|
|
#else
|
|
ifstream theData(filename, ios::in|ios::nocreate);
|
|
#endif
|
|
G4int dummy;
|
|
G4double dumm;
|
|
if(!(theData))
|
|
{
|
|
hasFSData = false;
|
|
hasXsec = false;
|
|
hasAnyData = false;
|
|
return; // no data for this FS for this isotope
|
|
}
|
|
theData >> dummy>>dummy;
|
|
G4int total;
|
|
theData >> total;
|
|
theXsection->Init(theData, total, eV);
|
|
if (!(theData >> dummy))
|
|
{
|
|
hasFSData = false;
|
|
return;
|
|
}
|
|
theData >> dummy;
|
|
|
|
theAngularDistribution.Init(theData);
|
|
|
|
theData >> dummy >> dummy;
|
|
|
|
theEnergyDistribution.Init(theData);
|
|
|
|
}
|
|
|
|
G4DynamicParticleVector * G4NeutronHPFissionBaseFS::ApplyYourself(G4int nPrompt)
|
|
{
|
|
// if therere were no data for this isotope, break out.
|
|
if(!HasFSData()) return NULL;
|
|
|
|
G4int i;
|
|
G4DynamicParticleVector * aResult = new G4DynamicParticleVector;
|
|
G4ReactionProduct boosted;
|
|
boosted.Lorentz(theNeutron, theTarget);
|
|
G4double eKinetic = boosted.GetKineticEnergy();
|
|
|
|
// Build neutrons
|
|
G4ReactionProduct * theNeutrons = new G4ReactionProduct[nPrompt];
|
|
for(i=0; i<nPrompt; i++)
|
|
{
|
|
theNeutrons[i].SetDefinition(G4Neutron::Neutron());
|
|
}
|
|
|
|
// sample energies
|
|
G4int dummy;
|
|
for(i=0; i<nPrompt; i++)
|
|
{
|
|
// always in the lab system (if file-5)
|
|
theNeutrons[i].SetKineticEnergy(theEnergyDistribution.Sample(eKinetic, dummy));
|
|
}
|
|
|
|
// sample neutron angular distribution
|
|
for(i=0; i<nPrompt; i++)
|
|
{
|
|
theAngularDistribution.SampleAndUpdate(theNeutrons[i]);
|
|
}
|
|
|
|
// already in lab. Add neutrons to dynamic particle vector
|
|
for(i=0; i<nPrompt; i++)
|
|
{
|
|
G4DynamicParticle * it = new G4DynamicParticle;
|
|
it->SetDefinition(theNeutrons[i].GetDefinition());
|
|
it->SetMomentum(theNeutrons[i].GetMomentum());
|
|
aResult->insert(it);
|
|
}
|
|
delete [] theNeutrons;
|
|
|
|
// return the result
|
|
return aResult;
|
|
}
|