Geant4_10
G4Nucleon.cc
Go to the documentation of this file.
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 //
27 //
28 #include "G4Nucleon.hh"
29 
30 // ------------------------------------------------------------
31 // GEANT 4 class implementation file
32 //
33 // ---------------- G4Nucleon ----------------
34 // by Gunter Folger, May 1998.
35 // class for a nucleon (inside a 3D Nucleus)
36 // ------------------------------------------------------------
37 
39 : theBindingE(0.) , theParticleType(0), theSplitableHadron(0)
40 {}
41 
43 {
44 }
45 
46 void G4Nucleon::Boost(const G4LorentzVector & aMomentum)
47 {
48 // see e.g. CERNLIB short writeup U101 for the algorithm
49  G4double mass=aMomentum.mag();
50  G4double factor=
51  ( theMomentum.vect()*aMomentum.vect()/(aMomentum.e()+mass) - theMomentum.e() ) / mass;
52 
53  theMomentum.setE(1/mass*theMomentum.dot(aMomentum));
54  theMomentum.setVect(factor*aMomentum.vect() + theMomentum.vect());
55 }
56 
57 #include <iostream>
58 std::ostream & operator << (std::ostream &stream, const G4Nucleon& nucleon)
59 {
60 // stream<< nucleon.GetDefinition()->GetParticleName()
61 // << " is " << nucleon.AreYouHit() ? " " : "not"
62 // << " hit. Momentum/position:" << G4endl;
63  stream<< " momentum : " << nucleon.Get4Momentum() << G4endl;
64  stream<< " position : " << nucleon.GetPosition() ;
65  return stream;
66 }
double dot(const HepLorentzVector &) const
virtual const G4LorentzVector & Get4Momentum() const
Definition: G4Nucleon.hh:72
virtual const G4ThreeVector & GetPosition() const
Definition: G4Nucleon.hh:68
Hep3Vector vect() const
G4bool nucleon(G4int ityp)
double mag() const
std::ostream & operator<<(std::ostream &, const BasicVector3D< float > &)
void Boost(const G4ThreeVector &beta)
Definition: G4Nucleon.hh:87
#define G4endl
Definition: G4ios.hh:61
void setVect(const Hep3Vector &)
double G4double
Definition: G4Types.hh:76
~G4Nucleon()
Definition: G4Nucleon.cc:42