[825] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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[850] | 26 | // $Id: G4HadronHElasticPhysics.cc,v 1.5 2008/05/19 10:21:34 vnivanch Exp $ |
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| 27 | // GEANT4 tag $Name: HEAD $ |
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[825] | 28 | // |
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| 29 | //--------------------------------------------------------------------------- |
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| 30 | // |
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| 31 | // ClassName: G4HadronHElasticPhysics |
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| 32 | // |
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| 33 | // Author: 23 November 2006 V. Ivanchenko |
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| 34 | // |
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| 35 | // Modified: |
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| 36 | // 21.03.07 (V.Ivanchenko) Use G4BGGNucleonElasticXS and G4BGGPionElasticXS; |
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| 37 | // Reduce thresholds for HE and Q-models to zero |
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| 38 | // |
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| 39 | //---------------------------------------------------------------------------- |
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| 40 | // |
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| 41 | |
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| 42 | #include "G4HadronHElasticPhysics.hh" |
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| 43 | |
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| 44 | #include "G4HadronicProcess.hh" |
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| 45 | #include "G4HadronElasticProcess.hh" |
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| 46 | #include "G4HadronicInteraction.hh" |
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| 47 | #include "G4LElastic.hh" |
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| 48 | |
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| 49 | #include "G4ParticleDefinition.hh" |
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| 50 | #include "G4ProcessManager.hh" |
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| 51 | |
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| 52 | #include "G4MesonConstructor.hh" |
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| 53 | #include "G4BaryonConstructor.hh" |
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| 54 | #include "G4IonConstructor.hh" |
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| 55 | #include "G4Neutron.hh" |
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| 56 | |
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| 57 | #include "G4VQCrossSection.hh" |
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| 58 | #include "G4UElasticCrossSection.hh" |
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| 59 | #include "G4BGGNucleonElasticXS.hh" |
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| 60 | #include "G4BGGPionElasticXS.hh" |
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| 61 | |
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| 62 | G4HadronHElasticPhysics::G4HadronHElasticPhysics(G4int ver, G4bool hp) |
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| 63 | : G4VPhysicsConstructor("HElastic"), mname("HElastic"), verbose(ver), |
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| 64 | hpFlag(hp), wasActivated(false) |
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| 65 | { |
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| 66 | if(verbose > 1) G4cout << "### HadronHElasticPhysics" << G4endl; |
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| 67 | model = 0; |
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| 68 | neutronModel = 0; |
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| 69 | neutronHPModel = 0; |
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| 70 | } |
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| 71 | |
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| 72 | G4HadronHElasticPhysics::~G4HadronHElasticPhysics() |
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| 73 | { |
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| 74 | delete model; |
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| 75 | delete neutronModel; |
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| 76 | delete neutronHPModel; |
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| 77 | } |
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| 78 | |
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| 79 | void G4HadronHElasticPhysics::ConstructParticle() |
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| 80 | { |
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| 81 | // G4cout << "G4HadronElasticPhysics::ConstructParticle" << G4endl; |
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| 82 | G4MesonConstructor pMesonConstructor; |
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| 83 | pMesonConstructor.ConstructParticle(); |
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| 84 | |
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| 85 | G4BaryonConstructor pBaryonConstructor; |
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| 86 | pBaryonConstructor.ConstructParticle(); |
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| 87 | |
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| 88 | // Construct light ions |
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| 89 | G4IonConstructor pConstructor; |
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| 90 | pConstructor.ConstructParticle(); |
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| 91 | } |
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| 92 | |
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| 93 | void G4HadronHElasticPhysics::ConstructProcess() |
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| 94 | { |
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| 95 | if(wasActivated) return; |
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| 96 | wasActivated = true; |
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| 97 | |
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| 98 | G4double elimit = 0.4*GeV; |
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| 99 | //G4double elimit = 0.0; |
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| 100 | |
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| 101 | if(verbose > 1) |
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| 102 | G4cout << "### HadronElasticPhysics Construct Processes with HE limit " |
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| 103 | << elimit << " MeV" << G4endl; |
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| 104 | |
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| 105 | G4HadronicProcess* hel = 0; |
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| 106 | G4VQCrossSection* man = 0; |
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| 107 | |
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| 108 | G4HadronElastic* he = new G4HadronElastic(); |
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| 109 | he->SetHEModelLowLimit(elimit); |
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| 110 | he->SetQModelLowLimit(0.0); |
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| 111 | he->SetLowestEnergyLimit(0.0); |
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| 112 | model = he; |
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| 113 | man = he->GetCS(); |
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| 114 | |
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| 115 | theParticleIterator->reset(); |
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| 116 | while( (*theParticleIterator)() ) |
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| 117 | { |
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| 118 | G4ParticleDefinition* particle = theParticleIterator->value(); |
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| 119 | G4String pname = particle->GetParticleName(); |
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| 120 | if(pname == "anti_lambda" || |
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| 121 | pname == "anti_neutron" || |
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| 122 | pname == "anti_omega-" || |
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| 123 | pname == "anti_proton" || |
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| 124 | pname == "anti_sigma-" || |
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| 125 | pname == "anti_sigma+" || |
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| 126 | pname == "anti_xi-" || |
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| 127 | pname == "anti_xi0" || |
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| 128 | pname == "kaon-" || |
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| 129 | pname == "kaon+" || |
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| 130 | pname == "kaon0S" || |
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| 131 | pname == "kaon0L" || |
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| 132 | pname == "lambda" || |
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| 133 | pname == "omega-" || |
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| 134 | pname == "pi-" || |
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| 135 | pname == "pi+" || |
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| 136 | pname == "proton" || |
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| 137 | pname == "sigma-" || |
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| 138 | pname == "sigma+" || |
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| 139 | pname == "xi-" || |
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| 140 | pname == "alpha" || |
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| 141 | pname == "deuteron" || |
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| 142 | pname == "triton") { |
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| 143 | |
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| 144 | G4ProcessManager* pmanager = particle->GetProcessManager(); |
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| 145 | G4UHadronElasticProcess* h = new G4UHadronElasticProcess("hElastic"); |
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| 146 | h->SetQElasticCrossSection(man); |
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| 147 | hel = h; |
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| 148 | if(pname == "proton") { |
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| 149 | hel->AddDataSet(new G4BGGNucleonElasticXS(particle)); |
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| 150 | } else if (pname == "pi+" || pname == "pi-") { |
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| 151 | hel->AddDataSet(new G4BGGPionElasticXS(particle)); |
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| 152 | } else { |
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| 153 | hel->AddDataSet(new G4UElasticCrossSection(particle)); |
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| 154 | } |
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| 155 | hel->RegisterMe(model); |
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| 156 | pmanager->AddDiscreteProcess(hel); |
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| 157 | |
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| 158 | // neutron case |
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| 159 | } else if(pname == "neutron") { |
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| 160 | |
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| 161 | G4ProcessManager* pmanager = particle->GetProcessManager(); |
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| 162 | G4UHadronElasticProcess* h = new G4UHadronElasticProcess("hElastic"); |
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| 163 | G4HadronElastic* nhe = new G4HadronElastic(); |
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| 164 | nhe->SetHEModelLowLimit(elimit); |
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| 165 | neutronModel = nhe; |
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| 166 | h->SetQElasticCrossSection(nhe->GetCS()); |
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| 167 | hel = h; |
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| 168 | hel->AddDataSet(new G4BGGNucleonElasticXS(particle)); |
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| 169 | |
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| 170 | if(hpFlag) { |
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| 171 | neutronModel->SetMinEnergy(19.5*MeV); |
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| 172 | neutronHPModel = new G4NeutronHPElastic(); |
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| 173 | hel->RegisterMe(neutronHPModel); |
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| 174 | hel->AddDataSet(new G4NeutronHPElasticData()); |
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| 175 | } |
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| 176 | |
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| 177 | hel->RegisterMe(neutronModel); |
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| 178 | pmanager->AddDiscreteProcess(hel); |
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| 179 | |
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| 180 | if(verbose > 1) |
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| 181 | G4cout << "### HadronHElasticPhysics added for " |
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| 182 | << particle->GetParticleName() << G4endl; |
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| 183 | } |
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| 184 | } |
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| 185 | } |
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| 186 | |
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| 187 | |
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