00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // $Id: G4FTFBinaryPionBuilder.cc 62122 2012-10-01 09:33:38Z gcosmo $ 00027 // GEANT4 tag $Name: not supported by cvs2svn $ 00028 // 00029 //--------------------------------------------------------------------------- 00030 // 00031 // ClassName: G4FTFBinaryPionBuilder 00032 // 00033 // Author: 2011 G.Folger 00034 // 00035 // Modified: 00036 // 18.11.2010 G.Folger, use G4CrossSectionPairGG for relativistic rise of cross 00037 // section at high energies. 00038 // 30.03.2009 V.Ivanchenko create cross section by new 00039 // 00040 //---------------------------------------------------------------------------- 00041 // 00042 #include "G4FTFBinaryPionBuilder.hh" 00043 #include "G4SystemOfUnits.hh" 00044 #include "G4ParticleDefinition.hh" 00045 #include "G4ParticleTable.hh" 00046 #include "G4ProcessManager.hh" 00047 #include "G4PiNuclearCrossSection.hh" 00048 #include "G4CrossSectionPairGG.hh" 00049 00050 G4FTFBinaryPionBuilder:: 00051 G4FTFBinaryPionBuilder(G4bool quasiElastic) 00052 { 00053 thePiData = new G4CrossSectionPairGG(new G4PiNuclearCrossSection(), 91*GeV); 00054 theMin = 4*GeV; 00055 theModel = new G4TheoFSGenerator("FTFB"); 00056 00057 theStringModel = new G4FTFModel; 00058 theStringDecay = new G4ExcitedStringDecay(new G4LundStringFragmentation); 00059 theStringModel->SetFragmentationModel(theStringDecay); 00060 00061 theCascade = new G4BinaryCascade; 00062 thePreEquilib = new G4PreCompoundModel(new G4ExcitationHandler); 00063 theCascade->SetDeExcitation(thePreEquilib); 00064 00065 theModel->SetHighEnergyGenerator(theStringModel); 00066 if (quasiElastic) 00067 { 00068 theQuasiElastic=new G4QuasiElasticChannel; 00069 theModel->SetQuasiElasticChannel(theQuasiElastic); 00070 } else 00071 { theQuasiElastic=0;} 00072 00073 theModel->SetTransport(theCascade); 00074 theModel->SetMinEnergy(theMin); 00075 theModel->SetMaxEnergy(100*TeV); 00076 } 00077 00078 G4FTFBinaryPionBuilder:: ~G4FTFBinaryPionBuilder() 00079 { 00080 delete theCascade; 00081 delete theStringDecay; 00082 delete theStringModel; 00083 delete theModel; 00084 if ( theQuasiElastic ) delete theQuasiElastic; 00085 } 00086 00087 void G4FTFBinaryPionBuilder:: 00088 Build(G4HadronElasticProcess * ) {} 00089 00090 void G4FTFBinaryPionBuilder:: 00091 Build(G4PionPlusInelasticProcess * aP) 00092 { 00093 theModel->SetMinEnergy(theMin); 00094 aP->AddDataSet(thePiData); 00095 aP->RegisterMe(theModel); 00096 } 00097 00098 void G4FTFBinaryPionBuilder:: 00099 Build(G4PionMinusInelasticProcess * aP) 00100 { 00101 theModel->SetMinEnergy(theMin); 00102 aP->AddDataSet(thePiData); 00103 aP->RegisterMe(theModel); 00104 } 00105