| 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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| 26 | // $Id: G4QGSPPionBuilder.cc,v 1.1 2010/11/19 16:21:40 gunter Exp $ |
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| 27 | // GEANT4 tag $Name: geant4-09-04-ref-00 $ |
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| 28 | // |
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| 29 | //--------------------------------------------------------------------------- |
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| 30 | // |
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| 31 | // ClassName: G4QGSPPionBuilder |
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| 32 | // |
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| 33 | // Author: 2010 G.Folger |
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| 34 | // devired from G4QGSPPiKBuilder |
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| 35 | // |
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| 36 | // Modified: |
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| 37 | // 17.11.2010 G.Folger, use G4CrossSectionPairGG for relativistic rise of cross |
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| 38 | // section at high energies. |
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| 39 | // 30.03.2009 V.Ivanchenko create cross section by new |
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| 40 | // |
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| 41 | //---------------------------------------------------------------------------- |
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| 42 | // |
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| 43 | #include "G4QGSPPionBuilder.hh" |
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| 44 | #include "G4ParticleDefinition.hh" |
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| 45 | #include "G4ParticleTable.hh" |
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| 46 | #include "G4ProcessManager.hh" |
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| 47 | #include "G4PiNuclearCrossSection.hh" |
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| 48 | #include "G4CrossSectionPairGG.hh" |
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| 49 | |
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| 50 | G4QGSPPionBuilder:: |
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| 51 | G4QGSPPionBuilder(G4bool quasiElastic, G4bool projectileDiffraction) |
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| 52 | { |
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| 53 | thePiData = new G4CrossSectionPairGG(new G4PiNuclearCrossSection(), 91*GeV); |
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| 54 | theMin = 12*GeV; |
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| 55 | theModel = new G4TheoFSGenerator("QGSP"); |
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| 56 | |
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| 57 | theStringModel = new G4QGSModel< G4QGSParticipants >; |
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| 58 | theStringDecay = new G4ExcitedStringDecay(theQGSM = new G4QGSMFragmentation); |
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| 59 | theStringModel->SetFragmentationModel(theStringDecay); |
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| 60 | |
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| 61 | |
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| 62 | theCascade = new G4GeneratorPrecompoundInterface; |
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| 63 | thePreEquilib = new G4PreCompoundModel(theHandler = new G4ExcitationHandler); |
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| 64 | theCascade->SetDeExcitation(thePreEquilib); |
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| 65 | |
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| 66 | theModel->SetHighEnergyGenerator(theStringModel); |
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| 67 | if (quasiElastic) |
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| 68 | { |
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| 69 | theQuasiElastic=new G4QuasiElasticChannel; |
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| 70 | theModel->SetQuasiElasticChannel(theQuasiElastic); |
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| 71 | } else |
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| 72 | { theQuasiElastic=0;} |
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| 73 | if ( projectileDiffraction ) |
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| 74 | { |
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| 75 | theProjectileDiffraction=new G4ProjectileDiffractiveChannel; |
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| 76 | theModel->SetProjectileDiffraction(theProjectileDiffraction); |
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| 77 | } else |
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| 78 | { theProjectileDiffraction=0;} |
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| 79 | |
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| 80 | theModel->SetTransport(theCascade); |
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| 81 | } |
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| 82 | |
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| 83 | G4QGSPPionBuilder:: |
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| 84 | ~G4QGSPPionBuilder() |
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| 85 | { |
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| 86 | delete theCascade; |
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| 87 | delete thePreEquilib; |
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| 88 | if ( theQuasiElastic ) delete theQuasiElastic; |
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| 89 | if ( theProjectileDiffraction ) delete theProjectileDiffraction; |
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| 90 | delete theStringDecay; |
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| 91 | delete theStringModel; |
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| 92 | delete theModel; |
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| 93 | delete theQGSM; |
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| 94 | delete theHandler; |
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| 95 | } |
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| 96 | |
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| 97 | void G4QGSPPionBuilder:: |
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| 98 | Build(G4HadronElasticProcess * ) {} |
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| 99 | |
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| 100 | void G4QGSPPionBuilder:: |
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| 101 | Build(G4PionPlusInelasticProcess * aP) |
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| 102 | { |
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| 103 | theModel->SetMinEnergy(theMin); |
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| 104 | theModel->SetMaxEnergy(100*TeV); |
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| 105 | aP->AddDataSet(thePiData); |
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| 106 | aP->RegisterMe(theModel); |
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| 107 | } |
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| 108 | |
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| 109 | void G4QGSPPionBuilder:: |
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| 110 | Build(G4PionMinusInelasticProcess * aP) |
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| 111 | { |
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| 112 | theModel->SetMinEnergy(theMin); |
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| 113 | theModel->SetMaxEnergy(100*TeV); |
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| 114 | aP->AddDataSet(thePiData); |
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| 115 | aP->RegisterMe(theModel); |
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| 116 | } |
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| 117 | |
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| 118 | |
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| 119 | // 2002 by J.P. Wellisch |
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