Gabriele Cosmo
226 lines
9.0 KiB
C++
226 lines
9.0 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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// 070523 bug fix for G4FPE_DEBUG on by A. Howard ( and T. Koi)
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// 08-08-06 delete unnecessary and harmed declaration; Bug Report[857]
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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 "G4ParticleHPFission.hh"
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#include "G4ParticleHPFissionFS.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4ParticleHPManager.hh"
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#include "G4Threading.hh"
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G4ParticleHPFission::G4ParticleHPFission()
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:G4HadronicInteraction("NeutronHPFission")
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,theFission(NULL)
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,numEle(0)
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{
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SetMinEnergy( 0.0 );
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SetMaxEnergy( 20.*MeV );
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/*
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if(!G4FindDataDir("G4NEUTRONHPDATA"))
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throw G4HadronicException(__FILE__, __LINE__, "Please setenv G4NEUTRONHPDATA to point to the neutron cross-section files.");
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dirName = G4FindDataDir("G4NEUTRONHPDATA");
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G4String tString = "/Fission";
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dirName = dirName + tString;
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numEle = G4Element::GetNumberOfElements();
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//theFission = new G4ParticleHPChannel[numEle];
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//for (G4int i=0; i<numEle; i++)
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//{
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//if((*(G4Element::GetElementTable()))[i]->GetZ()>89)
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// if((*(G4Element::GetElementTable()))[i]->GetZ()>87) //TK modified for ENDF-VII
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// {
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// theFission[i].Init((*(G4Element::GetElementTable()))[i], dirName);
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// theFission[i].Register(&theFS);
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// }
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//}
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for ( G4int i = 0 ; i < numEle ; i++ )
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{
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theFission.push_back( new G4ParticleHPChannel );
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if((*(G4Element::GetElementTable()))[i]->GetZ()>87) //TK modified for ENDF-VII
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{
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(*theFission[i]).Init((*(G4Element::GetElementTable()))[i], dirName);
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(*theFission[i]).Register(&theFS);
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}
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}
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*/
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}
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G4ParticleHPFission::~G4ParticleHPFission()
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{
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//Vector is shared, only master deletes it
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//delete [] theFission;
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if ( ! G4Threading::IsMasterThread() ) {
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if ( theFission != NULL ) {
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for ( std::vector<G4ParticleHPChannel*>::iterator
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it = theFission->begin() ; it != theFission->end() ; it++ ) {
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delete *it;
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}
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theFission->clear();
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}
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}
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}
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#include "G4ParticleHPThermalBoost.hh"
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G4HadFinalState * G4ParticleHPFission::ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& aNucleus )
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{
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G4ParticleHPManager::GetInstance()->OpenReactionWhiteBoard();
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const G4Material * theMaterial = aTrack.GetMaterial();
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G4int n = theMaterial->GetNumberOfElements();
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G4int index = theMaterial->GetElement(0)->GetIndex();
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if(n!=1)
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{
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G4double* xSec = new G4double[n];
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G4double sum=0;
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G4int i;
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const G4double * NumAtomsPerVolume = theMaterial->GetVecNbOfAtomsPerVolume();
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G4double rWeight;
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G4ParticleHPThermalBoost aThermalE;
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for (i=0; i<n; i++)
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{
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index = theMaterial->GetElement(i)->GetIndex();
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rWeight = NumAtomsPerVolume[i];
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xSec[i] = ((*theFission)[index])->GetXsec(aThermalE.GetThermalEnergy(aTrack,
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theMaterial->GetElement(i),
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theMaterial->GetTemperature()));
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xSec[i] *= rWeight;
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sum+=xSec[i];
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}
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G4double random = G4UniformRand();
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G4double running = 0;
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for (i=0; i<n; i++)
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{
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running += xSec[i];
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index = theMaterial->GetElement(i)->GetIndex();
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//if(random<=running/sum) break;
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if( sum == 0 || random <= running/sum ) break;
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}
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delete [] xSec;
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}
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//return theFission[index].ApplyYourself(aTrack); //-2:Marker for Fission
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G4HadFinalState* result = ((*theFission)[index])->ApplyYourself(aTrack,-2);
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//Overwrite target parameters
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aNucleus.SetParameters(G4ParticleHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargA(),G4ParticleHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargZ());
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const G4Element* target_element = (*G4Element::GetElementTable())[index];
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const G4Isotope* target_isotope=NULL;
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G4int iele = target_element->GetNumberOfIsotopes();
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for ( G4int j = 0 ; j != iele ; j++ ) {
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target_isotope=target_element->GetIsotope( j );
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if ( target_isotope->GetN() == G4ParticleHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargA() ) break;
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}
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//G4cout << "Target Material of this reaction is " << theMaterial->GetName() << G4endl;
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//G4cout << "Target Element of this reaction is " << target_element->GetName() << G4endl;
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//G4cout << "Target Isotope of this reaction is " << target_isotope->GetName() << G4endl;
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aNucleus.SetIsotope( target_isotope );
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G4ParticleHPManager::GetInstance()->CloseReactionWhiteBoard();
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return result;
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}
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const std::pair<G4double, G4double> G4ParticleHPFission::GetFatalEnergyCheckLevels() const
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{
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// max energy non-conservation is mass of heavy nucleus
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//return std::pair<G4double, G4double>(5*perCent,250*GeV);
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return std::pair<G4double, G4double>(5*perCent,DBL_MAX);
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}
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/*
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void G4ParticleHPFission::addChannelForNewElement()
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{
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for ( G4int i = numEle ; i < (G4int)G4Element::GetNumberOfElements() ; i++ )
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{
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theFission.push_back( new G4ParticleHPChannel );
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if ( (*(G4Element::GetElementTable()))[i]->GetZ() > 87 ) //TK modified for ENDF-VII
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{
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G4cout << "G4ParticleHPFission Prepairing Data for the new element of " << (*(G4Element::GetElementTable()))[i]->GetName() << G4endl;
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(*theFission[i]).Init((*(G4Element::GetElementTable()))[i], dirName);
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(*theFission[i]).Register(&theFS);
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}
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}
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numEle = (G4int)G4Element::GetNumberOfElements();
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}
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*/
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G4int G4ParticleHPFission::GetVerboseLevel() const
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{
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return G4ParticleHPManager::GetInstance()->GetVerboseLevel();
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}
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void G4ParticleHPFission::SetVerboseLevel( G4int newValue )
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{
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G4ParticleHPManager::GetInstance()->SetVerboseLevel(newValue);
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}
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void G4ParticleHPFission::BuildPhysicsTable(const G4ParticleDefinition&)
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{
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G4ParticleHPManager* hpmanager = G4ParticleHPManager::GetInstance();
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theFission = hpmanager->GetFissionFinalStates();
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if ( G4Threading::IsMasterThread() ) {
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if ( theFission == NULL ) theFission = new std::vector<G4ParticleHPChannel*>;
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if ( numEle == (G4int)G4Element::GetNumberOfElements() ) return;
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if ( theFission->size() == G4Element::GetNumberOfElements() ) {
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numEle = G4Element::GetNumberOfElements();
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return;
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}
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if ( !G4FindDataDir("G4NEUTRONHPDATA") )
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throw G4HadronicException(__FILE__, __LINE__, "Please setenv G4NEUTRONHPDATA to point to the neutron cross-section files.");
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dirName = G4FindDataDir("G4NEUTRONHPDATA");
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G4String tString = "/Fission";
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dirName = dirName + tString;
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for ( G4int i = numEle ; i < (G4int)G4Element::GetNumberOfElements() ; i++ ) {
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theFission->push_back( new G4ParticleHPChannel );
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if ((*(G4Element::GetElementTable()))[i]->GetZ()>87) { //TK modified for ENDF-VII
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((*theFission)[i])->Init((*(G4Element::GetElementTable()))[i], dirName);
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((*theFission)[i])->Register( new G4ParticleHPFissionFS );
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}
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}
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hpmanager->RegisterFissionFinalStates( theFission );
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}
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numEle = G4Element::GetNumberOfElements();
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}
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void G4ParticleHPFission::ModelDescription(std::ostream& outFile) const
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{
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outFile << "High Precision model based on Evaluated Nuclear Data Files (ENDF) for induced fission reaction of neutrons below 20MeV\n";
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}
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