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26
27 #include "globals.hh"
28 #include "G4XAnnihilationChannel.hh"
29 #include "G4ConcreteMesonBaryonToResonance.hh"
30
31 G4BaryonWidth* G4ConcreteMesonBaryonToResonance::baryonWidth = nullptr;
32 G4BaryonPartialWidth* G4ConcreteMesonBaryonToResonance::baryonPartialWidth = nullptr;
33 G4ParticleTypeConverter* G4ConcreteMesonBaryonToResonance::particleTypeConverter = nullptr;
34
35 #ifdef G4MULTITHREADED
36 G4Mutex G4ConcreteMesonBaryonToResonance::concreteMesonBaryonToResonanceMutex = G4MUTEX_INITIALIZER;
37 #endif
38
39 G4BaryonWidth & G4ConcreteMesonBaryonToResonance::theBaryonWidth()
40 {
41 if(!baryonWidth) { G4ConcreteMesonBaryonToResonance::InitialisePointers(); }
42 return *baryonWidth;
43 }
44
45 G4BaryonPartialWidth & G4ConcreteMesonBaryonToResonance::theBaryonPartialWidth()
46 {
47 if(!baryonPartialWidth) { G4ConcreteMesonBaryonToResonance::InitialisePointers(); }
48 return *baryonPartialWidth;
49 }
50
51 G4ParticleTypeConverter & G4ConcreteMesonBaryonToResonance::myConv()
52 {
53 if(!particleTypeConverter) { G4ConcreteMesonBaryonToResonance::InitialisePointers(); }
54 return *particleTypeConverter;
55 }
56
57 G4ConcreteMesonBaryonToResonance::G4ConcreteMesonBaryonToResonance(const G4ParticleDefinition* aPrimary,
58 const G4ParticleDefinition* bPrimary,
59 const G4ParticleDefinition* aSecondary,
60 const G4String& partWidthLabel)
61 : thePrimary1(aPrimary), thePrimary2(bPrimary), theSecondary(aSecondary)
62 {
63 crossSectionSource = new G4XAnnihilationChannel(aSecondary,
64 theBaryonWidth(),
65 theBaryonPartialWidth(),
66 partWidthLabel);
67 InitialisePointers();
68 }
69
70 G4ConcreteMesonBaryonToResonance::~G4ConcreteMesonBaryonToResonance()
71 {
72 delete crossSectionSource;
73 }
74
75 void G4ConcreteMesonBaryonToResonance::InitialisePointers()
76 {
77 if(!baryonWidth) {
78 #ifdef G4MULTITHREADED
79 G4MUTEXLOCK(&concreteMesonBaryonToResonanceMutex);
80 if (!baryonWidth) {
81 #endif
82 baryonWidth = new G4BaryonWidth();
83 baryonPartialWidth = new G4BaryonPartialWidth();
84 particleTypeConverter = new G4ParticleTypeConverter();
85 #ifdef G4MULTITHREADED
86 }
87 G4MUTEXUNLOCK(&concreteMesonBaryonToResonanceMutex);
88 #endif
89 }
90 }
91
92 G4bool G4ConcreteMesonBaryonToResonance::IsInCharge(const G4KineticTrack& trk1,
93 const G4KineticTrack& trk2) const
94 {
95 if (myConv().GetGenericType(trk1)==myConv().GetGenericType(thePrimary1) &&
96 myConv().GetGenericType(trk2)==myConv().GetGenericType(thePrimary2)) return true;
97 if (myConv().GetGenericType(trk1)==myConv().GetGenericType(thePrimary2) &&
98 myConv().GetGenericType(trk2)==myConv().GetGenericType(thePrimary1)) return true;
99 return false;
100 }
101
102 const G4ParticleDefinition* G4ConcreteMesonBaryonToResonance::GetOutgoingParticle(const G4KineticTrack& trk1,
103 const G4KineticTrack& trk2) const
104 {
105 G4int secondaryIso3 = trk1.GetDefinition()->GetPDGiIsospin3() + trk2.GetDefinition()->GetPDGiIsospin3();
106 const G4ParticleDefinition* state;
107 if ( (state = myConv().FindIso3State(myConv().GetGenericType(theSecondary), secondaryIso3)) == NULL)
108 {
109 G4cerr << "for "<<static_cast<G4int>(myConv().GetGenericType(theSecondary))<<" "<<secondaryIso3<<G4endl;
110 throw G4HadronicException(__FILE__, __LINE__, "G4ConcreteMesonBaryonToResonance: Can't find iso3 state!");
111 }
112 return state;
113 }
114