Gabriele Cosmo
141 lines
5.0 KiB
C++
141 lines
5.0 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// neutron_hp -- source file
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// J.P. Wellisch, Nov-1996
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// A prototype of the low energy neutron transport model.
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//
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// P. Arce, June-2014 Conversion neutron_hp to particle_hp
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//
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#include "G4ParticleHPFissionBaseFS.hh"
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#include "G4ParticleHPManager.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4ReactionProduct.hh"
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#include "G4Nucleus.hh"
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#include "G4Proton.hh"
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#include "G4Deuteron.hh"
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#include "G4Triton.hh"
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#include "G4Alpha.hh"
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#include "G4ThreeVector.hh"
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#include "G4LorentzVector.hh"
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#include "G4ParticleHPDataUsed.hh"
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void G4ParticleHPFissionBaseFS::Init (G4double A, G4double Z, G4int M, G4String & dirName, G4String & bit, G4ParticleDefinition*)
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{
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G4String tString = dirName;
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G4bool dbool;
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G4ParticleHPDataUsed aFile = theNames.GetName(static_cast<G4int>(A), static_cast<G4int>(Z), M, tString, bit, dbool);
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G4String filename = aFile.GetName();
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SetAZMs( A, Z, M, aFile );
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//theBaseA = aFile.GetA();
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//theBaseZ = aFile.GetZ();
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//if(!dbool || ( Z<2.5 && ( std::abs(theBaseZ - Z)>0.0001 || std::abs(theBaseA - A)>0.0001) ) )
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if ( !dbool || ( Z<2.5 && ( std::abs(theNDLDataZ - Z)>0.0001 || std::abs(theNDLDataA - A)>0.0001)) )
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{
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hasAnyData = false;
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hasFSData = false;
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hasXsec = false;
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return; // no data for exactly this isotope.
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}
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//std::ifstream theData(filename, std::ios::in);
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std::istringstream theData(std::ios::in);
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G4ParticleHPManager::GetInstance()->GetDataStream(filename,theData);
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G4int dummy;
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if(!(theData))
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{
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//theData.close();
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hasFSData = false;
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hasXsec = false;
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hasAnyData = false;
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return; // no data for this FS for this isotope
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}
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theData >> dummy>>dummy;
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G4int total;
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theData >> total;
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theXsection->Init(theData, total, eV);
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if (!(theData >> dummy))
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{
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hasFSData = false;
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//theData.close();
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return;
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}
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theData >> dummy;
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theAngularDistribution.Init(theData);
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theData >> dummy >> dummy;
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theEnergyDistribution.Init(theData);
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//theData.close();
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}
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G4DynamicParticleVector * G4ParticleHPFissionBaseFS::ApplyYourself(G4int nPrompt)
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{
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// if therere were no data for this isotope, break out.
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if(!HasFSData()) { return 0; }
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G4int i;
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G4DynamicParticleVector * aResult = new G4DynamicParticleVector;
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G4ReactionProduct boosted;
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boosted.Lorentz( *(fCache.Get().theNeutronRP) , *(fCache.Get().theTarget) );
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G4double eKinetic = boosted.GetKineticEnergy();
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// Build neutrons
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G4ReactionProduct * theNeutrons = new G4ReactionProduct[nPrompt];
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for(i=0; i<nPrompt; i++)
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{
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theNeutrons[i].SetDefinition(G4Neutron::Neutron());
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}
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// sample energies
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G4int dummy;
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for(i=0; i<nPrompt; i++)
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{
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// always in the lab system (if file-5)
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theNeutrons[i].SetKineticEnergy(theEnergyDistribution.Sample(eKinetic, dummy));
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}
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// sample neutron angular distribution
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for(i=0; i<nPrompt; i++)
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{
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theAngularDistribution.SampleAndUpdate(theNeutrons[i]);
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}
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// already in lab. Add neutrons to dynamic particle vector
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for(i=0; i<nPrompt; i++)
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{
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G4DynamicParticle * it = new G4DynamicParticle;
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it->SetDefinition(theNeutrons[i].GetDefinition());
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it->SetMomentum(theNeutrons[i].GetMomentum());
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aResult->push_back(it);
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}
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delete [] theNeutrons;
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// return the result
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return aResult;
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}
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