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 | // |
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27 | // |
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28 | #include "G4Nucleon.hh" |
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29 | |
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30 | // ------------------------------------------------------------ |
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31 | // GEANT 4 class implementation file |
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32 | // |
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33 | // ---------------- G4Nucleon ---------------- |
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34 | // by Gunter Folger, May 1998. |
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35 | // class for a nucleon (inside a 3D Nucleus) |
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36 | // ------------------------------------------------------------ |
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37 | |
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38 | G4Nucleon::G4Nucleon() |
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39 | : theBindingE(0.) , theParticleType(NULL), theSplitableHadron(NULL) |
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40 | {} |
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41 | |
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42 | G4Nucleon::~G4Nucleon() |
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43 | { |
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44 | } |
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45 | |
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46 | void G4Nucleon::Boost(const G4LorentzVector & aMomentum) |
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47 | { |
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48 | // see e.g. CERNLIB short writeup U101 for the algorithm |
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49 | G4double mass=aMomentum.mag(); |
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50 | G4double factor= |
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51 | ( theMomentum.vect()*aMomentum.vect()/(aMomentum.e()+mass) - theMomentum.e() ) / mass; |
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52 | |
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53 | theMomentum.setE(1/mass*theMomentum.dot(aMomentum)); |
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54 | theMomentum.setVect(factor*aMomentum.vect() + theMomentum.vect()); |
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55 | } |
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56 | |
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57 | #include <iostream> |
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58 | std::ostream & operator << (std::ostream &s, const G4Nucleon& nucleon) |
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59 | { |
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60 | // s<< nucleon.GetDefinition()->GetParticleName() |
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61 | // << " is " << nucleon.AreYouHit() ? " " : "not" |
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62 | // << " hit. Momentum/position:" << G4endl; |
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63 | s<< " momentum : " << nucleon.Get4Momentum() << G4endl; |
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64 | s<< " position : " << nucleon.GetPosition() ; |
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65 | return s; |
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66 | } |
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