| Geant4 Cross Reference |
1 // 1
2 // *******************************************
3 // * License and Disclaimer
4 // *
5 // * The Geant4 software is copyright of th
6 // * the Geant4 Collaboration. It is provided
7 // * conditions of the Geant4 Software License
8 // * LICENSE and available at http://cern.ch/
9 // * include a list of copyright holders.
10 // *
11 // * Neither the authors of this software syst
12 // * institutes,nor the agencies providing fin
13 // * work make any representation or warran
14 // * regarding this software system or assum
15 // * use. Please see the license in the file
16 // * for the full disclaimer and the limitatio
17 // *
18 // * This code implementation is the result
19 // * technical work of the GEANT4 collaboratio
20 // * By using, copying, modifying or distri
21 // * any work based on the software) you ag
22 // * use in resulting scientific publicati
23 // * acceptance of all terms of the Geant4 Sof
24 // *******************************************
25 //
26
27 #include "globals.hh"
28 #include "G4VAnnihilationCollision.hh"
29 #include "G4KineticTrack.hh"
30 #include "G4VCrossSectionSource.hh"
31 #include "G4Proton.hh"
32 #include "G4Neutron.hh"
33 #include "G4XNNElastic.hh"
34 #include "G4AngularDistribution.hh"
35 #include "G4ThreeVector.hh"
36 #include "G4LorentzVector.hh"
37 #include "G4LorentzRotation.hh"
38 #include "G4KineticTrackVector.hh"
39 #include "Randomize.hh"
40 #include "G4PionPlus.hh"
41
42
43 G4VAnnihilationCollision::G4VAnnihilationColli
44 {
45 theAngularDistribution=0;
46 }
47
48
49 G4VAnnihilationCollision::~G4VAnnihilationColl
50 {
51 if (theAngularDistribution) {
52 delete theAngularDistribution;
53 theAngularDistribution=0;
54 }
55 }
56
57
58 G4KineticTrackVector* G4VAnnihilationCollision
59 const G4KineticTrack& trk2
60 {
61 G4LorentzVector p = trk1.Get4Momentum() + tr
62 G4double sqrtS = p.m();
63 // G4double s = sqrtS * sqrtS;
64
65 // G4double m1 = trk1.GetActualMass();
66 // G4double m2 = trk2.GetActualMass();
67
68
69 // Unit vector of three-momentum
70
71 G4ThreeVector pFinal(0.0, 0.0, 0.0);
72 G4double eFinal = sqrtS;
73
74 G4LorentzVector p4Final(pFinal, eFinal);
75
76 // Lorentz transformation
77 G4LorentzRotation toLabFrame(p.boostVector()
78 p4Final *= toLabFrame;
79
80 const G4ParticleDefinition* OutputDefinition
81 G4KineticTrack* final = new G4KineticTrack(Ou
82
83 G4KineticTrackVector* finalTracks = new G4Ki
84
85 finalTracks->push_back(final);
86
87 return finalTracks;
88 }
89
90