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25 // 25 //
26 #include "G4MesonSplitter.hh" 26 #include "G4MesonSplitter.hh"
27 #include "Randomize.hh" 27 #include "Randomize.hh"
28 28
29 G4bool G4MesonSplitter::SplitMeson(G4int PDGco << 29 G4bool G4MesonSplitter::SplitMeson(G4int PDGcode, G4int* aEnd, G4int* bEnd)
30 { 30 {
31 G4int absPDGcode = std::abs(PDGcode); << 31 G4bool result = true;
32 if (absPDGcode >= 1000) return false; << 32 G4int absPDGcode = std::abs(PDGcode);
33 if (absPDGcode == 22) // For gamma -> 4 (u << 33 if (absPDGcode >= 1000) return false;
34 { << 34 if(absPDGcode == 22)
35 G4int it=1; << 35 {
36 if(G4UniformRand()<0.8) it++; << 36 G4int it=1;
37 aEnd = it; << 37 if(G4UniformRand()<.5) it++;
38 bEnd = -it; << 38 *aEnd = it;
39 } << 39 *bEnd = -it;
40 else << 40 }
41 { << 41 else
42 G4int heavy = absPDGcode/100; << 42 {
43 G4int light = (absPDGcode%100)/10; << 43 G4int heavy = absPDGcode/100;
44 G4int anti = 1 - 2*(std::max(heavy, light << 44 G4int light = (absPDGcode%100)/10;
45 if (PDGcode < 0 ) anti = -anti; << 45 G4int anti = 1 - 2*(std::max(heavy, light)%2);
46 heavy *= anti; << 46 if (PDGcode < 0 ) anti = -anti;
47 light *= -anti; << 47 heavy *= anti;
48 if ( anti < 0) G4SwapObj(&heavy, &light); << 48 light *= -anti;
49 aEnd = heavy; << 49 if ( anti < 0) G4SwapObj(&heavy, &light);
50 bEnd = light; << 50 *aEnd = heavy;
51 } << 51 *bEnd = light;
52 return true; << 52 }
>> 53 return result;
53 } 54 }
54 55