| 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 #include "G4MesonSplitter.hh"
27 #include "Randomize.hh"
28
29 G4bool G4MesonSplitter::SplitMeson(G4int PDGco
30 {
31 G4int absPDGcode = std::abs(PDGcode);
32 if (absPDGcode >= 1000) return false;
33 if (absPDGcode == 22) // For gamma -> 4 (u
34 {
35 G4int it=1;
36 if(G4UniformRand()<0.8) it++;
37 aEnd = it;
38 bEnd = -it;
39 }
40 else
41 {
42 G4int heavy = absPDGcode/100;
43 G4int light = (absPDGcode%100)/10;
44 G4int anti = 1 - 2*(std::max(heavy, light
45 if (PDGcode < 0 ) anti = -anti;
46 heavy *= anti;
47 light *= -anti;
48 if ( anti < 0) G4SwapObj(&heavy, &light);
49 aEnd = heavy;
50 bEnd = light;
51 }
52 return true;
53 }
54