Gabriele Cosmo
185 lines
6.3 KiB
C++
185 lines
6.3 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: G4HadronHElasticPhysics.cc,v 1.7 2009/11/28 17:35:01 vnivanch Exp $
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// GEANT4 tag $Name: geant4-09-03 $
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//
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//---------------------------------------------------------------------------
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//
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// ClassName: G4HadronHElasticPhysics
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//
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// Author: 23 November 2006 V. Ivanchenko
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//
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// Modified:
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// 21.03.07 (V.Ivanchenko) Use G4BGGNucleonElasticXS and G4BGGPionElasticXS;
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// Reduce thresholds for HE and Q-models to zero
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//
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//----------------------------------------------------------------------------
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//
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#include "G4HadronHElasticPhysics.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 "G4WHadronElasticProcess.hh"
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#include "G4VHadronElastic.hh"
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#include "G4CHIPSElastic.hh"
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#include "G4ElasticHadrNucleusHE.hh"
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#include "G4NeutronHPElastic.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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#include "G4NeutronElasticXS.hh"
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G4HadronHElasticPhysics::G4HadronHElasticPhysics(G4int ver, G4bool hp,
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const G4String& type)
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: G4VPhysicsConstructor("HElastic"), verbose(ver),
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hpFlag(hp), wasActivated(false), subtype(type)
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{
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if(verbose > 1) G4cout << "### HadronHElasticPhysics" << G4endl;
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}
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G4HadronHElasticPhysics::~G4HadronHElasticPhysics()
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{}
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void G4HadronHElasticPhysics::ConstructParticle()
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{
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// G4cout << "G4HadronElasticPhysics::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 G4HadronHElasticPhysics::ConstructProcess()
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{
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if(wasActivated) return;
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wasActivated = true;
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G4double elimit = 1.0*GeV;
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if(verbose > 1) {
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G4cout << "### HadronElasticPhysics Construct Processes with HE limit "
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<< elimit << " MeV" << G4endl;
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}
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G4VHadronElastic* plep0 = new G4VHadronElastic();
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G4VHadronElastic* plep1 = new G4VHadronElastic();
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plep1->SetMaxEnergy(elimit);
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G4CHIPSElastic* chipsp = new G4CHIPSElastic();
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G4CHIPSElastic* chipsn = new G4CHIPSElastic();
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G4ElasticHadrNucleusHE* he = new G4ElasticHadrNucleusHE();
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he->SetMinEnergy(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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G4WHadronElasticProcess* hel = new G4WHadronElasticProcess();
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if(pname == "proton") {
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hel->AddDataSet(new G4BGGNucleonElasticXS(particle));
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hel->RegisterMe(chipsp);
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} else if (pname == "pi+" || pname == "pi-") {
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hel->AddDataSet(new G4BGGPionElasticXS(particle));
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hel->RegisterMe(plep1);
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hel->RegisterMe(he);
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} else {
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//hel->AddDataSet(new G4UElasticCrossSection(particle));
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hel->RegisterMe(plep0);
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}
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pmanager->AddDiscreteProcess(hel);
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if(verbose > 1) {
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G4cout << "### HadronHElasticPhysics: " << hel->GetProcessName()
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<< " added for " << particle->GetParticleName() << G4endl;
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}
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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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G4WHadronElasticProcess* hel = new G4WHadronElasticProcess();
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if(subtype == "QBBC_XGGSN") {
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hel->AddDataSet(new G4NeutronElasticXS());
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} else {
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hel->AddDataSet(new G4BGGNucleonElasticXS(particle));
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}
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hel->RegisterMe(chipsn);
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if(hpFlag) {
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chipsn->SetMinEnergy(19.5*MeV);
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G4NeutronHPElastic* hp = new G4NeutronHPElastic();
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hel->RegisterMe(hp);
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hel->AddDataSet(new G4NeutronHPElasticData());
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}
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pmanager->AddDiscreteProcess(hel);
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if(verbose > 1) {
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G4cout << "### HadronHElasticPhysics: " << hel->GetProcessName()
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<< " added for " << particle->GetParticleName() << G4endl;
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}
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}
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}
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}
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