Gabriele Cosmo
89 lines
3.4 KiB
C++
89 lines
3.4 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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// $Id: G4QGSPNeutronBuilder.cc 103555 2017-04-18 09:04:37Z gcosmo $
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//
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//---------------------------------------------------------------------------
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//
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// ClassName: G4QGSPNeutronBuilder
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//
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// Author: 2002 J.P. Wellisch
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//
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// Modified:
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// 17.11.2010 G.Folger, use G4CrossSectionPairGG for relativistic rise of cross
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// section at high energies.
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// 30.03.2009 V.Ivanchenko create cross section by new
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// 12.04.2017 A.Dotti move to new design with base class
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//
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//----------------------------------------------------------------------------
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//
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#include "G4QGSPNeutronBuilder.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4ParticleTable.hh"
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#include "G4ProcessManager.hh"
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#include "G4BGGNucleonInelasticXS.hh"
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G4QGSPNeutronBuilder::
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G4QGSPNeutronBuilder(G4bool quasiElastic)
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{
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theMin = 12*GeV;
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theModel = new G4TheoFSGenerator("QGSP");
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theStringModel = new G4QGSModel< G4QGSParticipants >;
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theStringDecay = new G4ExcitedStringDecay(theQGSM = new G4QGSMFragmentation);
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theStringModel->SetFragmentationModel(theStringDecay);
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theCascade = new G4GeneratorPrecompoundInterface();
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theModel->SetTransport(theCascade);
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theModel->SetHighEnergyGenerator(theStringModel);
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if (quasiElastic)
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{
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theQuasiElastic=new G4QuasiElasticChannel;
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theModel->SetQuasiElasticChannel(theQuasiElastic);
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} else
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{ theQuasiElastic=0;}
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}
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G4QGSPNeutronBuilder::~G4QGSPNeutronBuilder()
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{
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delete theStringDecay;
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if ( theQuasiElastic ) delete theQuasiElastic;
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delete theQGSM;
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}
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void G4QGSPNeutronBuilder::
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Build(G4NeutronInelasticProcess * aP)
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{
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theModel->SetMinEnergy(theMin);
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theModel->SetMaxEnergy(100*TeV);
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aP->RegisterMe(theModel);
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aP->AddDataSet(new G4BGGNucleonInelasticXS(G4Neutron::Neutron()));
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}
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// 2002 by J.P. Wellisch
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