Gabriele Cosmo
191 lines
6.8 KiB
C++
191 lines
6.8 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: G4HadronDElasticPhysics.cc,v 1.2 2007/11/14 18:45:37 vnivanch Exp $
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// GEANT4 tag $Name: geant4-09-01 $
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//
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//---------------------------------------------------------------------------
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//
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// ClassName: G4HadronDElasticPhysics
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//
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// Author: 11 April 2006 V. Ivanchenko
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//
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// Modified:
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// 05.07.2006 V.Ivanchenko define process by particle name;
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// fix problem of initialisation of HP
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// 24.07.2006 V.Ivanchenko add G4NeutronHPElasticData
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// 10.08.2006 V.Ivanchenko separate neutrons from other particles
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// 17.11.2006 V.Ivanchenko do not redefine G4HadronElastic default parameters
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// 19.02.2007 V.Ivanchenko set QModelLowLimit and LowestEnergyLimit to zero
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// 19.02.2007 A.Howard set QModelLowLimit and LowestEnergyLimit to zero
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// for neutrons
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// 06.03.2007 V.Ivanchenko use updated interface to G4UElasticCrossSection
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//
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//----------------------------------------------------------------------------
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//
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#include "G4HadronDElasticPhysics.hh"
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#include "G4HadronicProcess.hh"
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#include "G4HadronElasticProcess.hh"
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#include "G4HadronicInteraction.hh"
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#include "G4DiffuseElastic.hh"
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#include "G4HadronElastic.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4ProcessManager.hh"
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#include "G4MesonConstructor.hh"
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#include "G4BaryonConstructor.hh"
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#include "G4IonConstructor.hh"
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#include "G4Neutron.hh"
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#include "G4HadronProcessStore.hh"
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#include "G4VQCrossSection.hh"
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#include "G4UElasticCrossSection.hh"
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#include "G4BGGNucleonElasticXS.hh"
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#include "G4BGGPionElasticXS.hh"
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G4HadronDElasticPhysics::G4HadronDElasticPhysics(G4int ver, G4bool hp)
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: G4VPhysicsConstructor("DElastic"), mname("DElastic"), verbose(ver),
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hpFlag(hp), wasActivated(false)
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{
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if(verbose > 1) G4cout << "### HadronDElasticPhysics" << G4endl;
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}
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G4HadronDElasticPhysics::~G4HadronDElasticPhysics()
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{}
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void G4HadronDElasticPhysics::ConstructParticle()
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{
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// G4cout << "G4HadronDElasticPhysics::ConstructParticle" << G4endl;
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G4MesonConstructor pMesonConstructor;
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pMesonConstructor.ConstructParticle();
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G4BaryonConstructor pBaryonConstructor;
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pBaryonConstructor.ConstructParticle();
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// Construct light ions
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G4IonConstructor pConstructor;
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pConstructor.ConstructParticle();
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}
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void G4HadronDElasticPhysics::ConstructProcess()
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{
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if(wasActivated) return;
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wasActivated = true;
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G4HadronProcessStore* store = G4HadronProcessStore::Instance();
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if(verbose > 1)
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G4cout << "### HadronDElasticPhysics Construct Processes with the model <"
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<< mname << ">" << G4endl;
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G4UHadronElasticProcess* hel = 0;
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G4DiffuseElastic* model = 0;
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G4double elimit = 11.0*MeV;
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G4HadronElastic* he = new G4HadronElastic();
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G4VQCrossSection* man = he->GetCS();
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he->SetMaxEnergy(elimit);
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theParticleIterator->reset();
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while( (*theParticleIterator)() )
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{
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G4ParticleDefinition* particle = theParticleIterator->value();
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G4String pname = particle->GetParticleName();
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if(pname == "anti_lambda" ||
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pname == "anti_neutron" ||
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pname == "anti_omega-" ||
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pname == "anti_proton" ||
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pname == "anti_sigma-" ||
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pname == "anti_sigma+" ||
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pname == "anti_xi-" ||
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pname == "anti_xi0" ||
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pname == "kaon-" ||
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pname == "kaon+" ||
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pname == "kaon0S" ||
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pname == "kaon0L" ||
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pname == "lambda" ||
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pname == "omega-" ||
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pname == "pi-" ||
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pname == "pi+" ||
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pname == "proton" ||
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pname == "sigma-" ||
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pname == "sigma+" ||
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pname == "xi-" ||
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pname == "alpha" ||
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pname == "deuteron" ||
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pname == "triton") {
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G4ProcessManager* pmanager = particle->GetProcessManager();
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hel = new G4UHadronElasticProcess("hElastic");
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hel->SetQElasticCrossSection(man);
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if(pname == "proton") {
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hel->AddDataSet(new G4BGGNucleonElasticXS(particle));
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} else if (pname == "pi+" || pname == "pi-") {
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hel->AddDataSet(new G4BGGPionElasticXS(particle));
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} else {
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hel->AddDataSet(new G4UElasticCrossSection(particle));
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}
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model = new G4DiffuseElastic(particle);
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hel->RegisterMe(model);
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hel->RegisterMe(he);
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store->Register(hel,particle,he,"elastic");
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store->Register(hel,particle,model,mname);
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pmanager->AddDiscreteProcess(hel);
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// neutron case
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} else if(pname == "neutron") {
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G4ProcessManager* pmanager = particle->GetProcessManager();
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hel = new G4UHadronElasticProcess("hElastic");
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hel->SetQElasticCrossSection(man);
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hel->AddDataSet(new G4BGGNucleonElasticXS(particle));
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model = new G4DiffuseElastic(particle);
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if(hpFlag) {
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model->SetMinEnergy(19.5*MeV);
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G4NeutronHPElastic* modelHP = new G4NeutronHPElastic();
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hel->RegisterMe(modelHP);
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store->Register(hel,particle,modelHP,"HP");
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hel->AddDataSet(new G4NeutronHPElasticData());
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} else {
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hel->RegisterMe(he);
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store->Register(hel,particle,he,"elastic");
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}
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hel->RegisterMe(model);
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store->Register(hel,particle,model,mname);
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pmanager->AddDiscreteProcess(hel);
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if(verbose > 1)
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G4cout << "### HadronDElasticPhysics added for "
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<< particle->GetParticleName() << G4endl;
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}
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}
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}
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