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 // 00028 #include "G4Nucleon.hh" 00029 00030 // ------------------------------------------------------------ 00031 // GEANT 4 class implementation file 00032 // 00033 // ---------------- G4Nucleon ---------------- 00034 // by Gunter Folger, May 1998. 00035 // class for a nucleon (inside a 3D Nucleus) 00036 // ------------------------------------------------------------ 00037 00038 G4Nucleon::G4Nucleon() 00039 : theBindingE(0.) , theParticleType(0), theSplitableHadron(0) 00040 {} 00041 00042 G4Nucleon::~G4Nucleon() 00043 { 00044 } 00045 00046 void G4Nucleon::Boost(const G4LorentzVector & aMomentum) 00047 { 00048 // see e.g. CERNLIB short writeup U101 for the algorithm 00049 G4double mass=aMomentum.mag(); 00050 G4double factor= 00051 ( theMomentum.vect()*aMomentum.vect()/(aMomentum.e()+mass) - theMomentum.e() ) / mass; 00052 00053 theMomentum.setE(1/mass*theMomentum.dot(aMomentum)); 00054 theMomentum.setVect(factor*aMomentum.vect() + theMomentum.vect()); 00055 } 00056 00057 #include <iostream> 00058 std::ostream & operator << (std::ostream &stream, const G4Nucleon& nucleon) 00059 { 00060 // stream<< nucleon.GetDefinition()->GetParticleName() 00061 // << " is " << nucleon.AreYouHit() ? " " : "not" 00062 // << " hit. Momentum/position:" << G4endl; 00063 stream<< " momentum : " << nucleon.Get4Momentum() << G4endl; 00064 stream<< " position : " << nucleon.GetPosition() ; 00065 return stream; 00066 }