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 // 00027 // $Id: G4CollisionNNElastic.cc,v 1.3 2006-06-29 20:37:32 gunter Exp $ // 00028 00029 #include "globals.hh" 00030 #include "G4CollisionNNElastic.hh" 00031 #include "G4KineticTrack.hh" 00032 #include "G4VCrossSectionSource.hh" 00033 #include "G4Proton.hh" 00034 #include "G4Neutron.hh" 00035 #include "G4XNNElastic.hh" 00036 #include "G4AngularDistribution.hh" 00037 #include "G4ThreeVector.hh" 00038 #include "G4LorentzVector.hh" 00039 #include "G4LorentzRotation.hh" 00040 #include "G4KineticTrackVector.hh" 00041 #include "G4AngularDistributionPP.hh" // nn and pp scattering 00042 00043 G4CollisionNNElastic::G4CollisionNNElastic() 00044 { 00045 // Subtype of interacting particles 00046 G4String subType1 = G4Proton::ProtonDefinition()->GetParticleSubType(); 00047 G4String subType2 = G4Neutron::NeutronDefinition()->GetParticleSubType(); 00048 00049 colliders1.push_back(subType1); 00050 colliders2.push_back(subType2); 00051 00052 angularDistribution = new G4AngularDistributionPP(); 00053 crossSectionSource = new G4XNNElastic(); 00054 } 00055 00056 00057 G4CollisionNNElastic::~G4CollisionNNElastic() 00058 { 00059 delete angularDistribution; 00060 angularDistribution = 0; 00061 delete crossSectionSource; 00062 crossSectionSource = 0; 00063 } 00064 00065 00066 G4bool G4CollisionNNElastic::IsInCharge(const G4KineticTrack& trk1, 00067 const G4KineticTrack& trk2) const 00068 { 00069 G4bool isInCharge = false; 00070 00071 G4ParticleDefinition* def1 = trk1.GetDefinition(); 00072 G4ParticleDefinition* def2 = trk2.GetDefinition(); 00073 00074 if ( (def1 == G4Proton::ProtonDefinition() && 00075 def2 == G4Proton::ProtonDefinition() ) 00076 || 00077 (def1 == G4Neutron::NeutronDefinition() && 00078 def2 == G4Neutron::NeutronDefinition() ) ) 00079 { 00080 isInCharge = true; 00081 } 00082 return isInCharge; 00083 } 00084 00085 00086 const std::vector<G4String>& G4CollisionNNElastic::GetListOfColliders(G4int whichOne) const 00087 { 00088 if (whichOne == 1) { 00089 return colliders1; 00090 }else if (whichOne == 2) { 00091 return colliders2; 00092 } 00093 throw G4HadronicException(__FILE__, __LINE__, "G4CollisionNNElastic::GetListOfColliders - Argument outside valid range"); 00094 }