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26 // 26 //
27 27
28 #include "globals.hh" 28 #include "globals.hh"
29 #include "G4ios.hh" 29 #include "G4ios.hh"
30 #include "G4XMesonBaryonElastic.hh" 30 #include "G4XMesonBaryonElastic.hh"
31 #include "G4KineticTrack.hh" 31 #include "G4KineticTrack.hh"
32 #include "G4Gamma.hh" 32 #include "G4Gamma.hh"
33 #include "G4PionPlus.hh" 33 #include "G4PionPlus.hh"
34 #include "G4Proton.hh" 34 #include "G4Proton.hh"
35 #include "G4XAqmElastic.hh" 35 #include "G4XAqmElastic.hh"
36 #include "G4XPDGElastic.hh" 36 #include "G4XPDGElastic.hh"
37 37
38 G4XMesonBaryonElastic::G4XMesonBaryonElastic() 38 G4XMesonBaryonElastic::G4XMesonBaryonElastic()
39 { 39 {
40 // As a first approximation the model is ass 40 // As a first approximation the model is assumed to be valid over
41 // the entire energy range 41 // the entire energy range
42 lowLimit = 0.; 42 lowLimit = 0.;
43 highLimit = DBL_MAX; 43 highLimit = DBL_MAX;
44 } 44 }
45 45
46 46
47 G4XMesonBaryonElastic::~G4XMesonBaryonElastic( 47 G4XMesonBaryonElastic::~G4XMesonBaryonElastic()
48 { } 48 { }
49 49
50 50
51 G4bool G4XMesonBaryonElastic::operator==(const 51 G4bool G4XMesonBaryonElastic::operator==(const G4XMesonBaryonElastic &right) const
52 { 52 {
53 return (this == (G4XMesonBaryonElastic *) &r 53 return (this == (G4XMesonBaryonElastic *) &right);
54 } 54 }
55 55
56 56
57 G4bool G4XMesonBaryonElastic::operator!=(const 57 G4bool G4XMesonBaryonElastic::operator!=(const G4XMesonBaryonElastic &right) const
58 { 58 {
59 return (this != (G4XMesonBaryonElastic *) &r 59 return (this != (G4XMesonBaryonElastic *) &right);
60 } 60 }
61 61
62 62
63 G4double G4XMesonBaryonElastic::CrossSection(c 63 G4double G4XMesonBaryonElastic::CrossSection(const G4KineticTrack& trk1, const G4KineticTrack& trk2) const
64 { 64 {
65 G4double sigma; 65 G4double sigma;
66 66
67 // No gamma-baryon elastic scattering 67 // No gamma-baryon elastic scattering
68 const G4ParticleDefinition* defLight = FindL 68 const G4ParticleDefinition* defLight = FindLightParticle(trk1,trk2);
69 if (defLight == G4Gamma::GammaDefinition()) 69 if (defLight == G4Gamma::GammaDefinition())
70 { 70 {
71 sigma = 0; 71 sigma = 0;
72 } 72 }
73 else 73 else
74 { 74 {
75 75
76 G4LorentzVector p41 = trk1.Get4Momentum( 76 G4LorentzVector p41 = trk1.Get4Momentum();
77 G4ThreeVector p3 = trk1.GetPosition(); 77 G4ThreeVector p3 = trk1.GetPosition();
78 G4ParticleDefinition* def = G4PionPlus:: 78 G4ParticleDefinition* def = G4PionPlus::PionPlusDefinition();
79 79
80 G4KineticTrack piTrk(def, 80 G4KineticTrack piTrk(def,
81 trk1.GetFormationTime(), 81 trk1.GetFormationTime(),
82 p3, 82 p3,
83 (G4LorentzVector&)p41); 83 (G4LorentzVector&)p41);
84 84
85 G4LorentzVector p42 = trk2.Get4Momentum( 85 G4LorentzVector p42 = trk2.Get4Momentum();
86 G4KineticTrack pTrk(((G4ParticleDefiniti 86 G4KineticTrack pTrk(((G4ParticleDefinition*)G4Proton::ProtonDefinition()),
87 trk2.GetFormationTime(), 87 trk2.GetFormationTime(),
88 (G4ThreeVector)trk2.GetPosition(), 88 (G4ThreeVector)trk2.GetPosition(),
89 (G4LorentzVector&)p42); 89 (G4LorentzVector&)p42);
90 90
91 G4XAqmElastic aqm; 91 G4XAqmElastic aqm;
92 G4double xAqmDummy = aqm.CrossSection(pi 92 G4double xAqmDummy = aqm.CrossSection(piTrk,pTrk);
93 G4double xAqm = aqm.CrossSection(trk1,tr 93 G4double xAqm = aqm.CrossSection(trk1,trk2);
94 G4double factor = 1.; 94 G4double factor = 1.;
95 if (xAqmDummy != 0.0) 95 if (xAqmDummy != 0.0)
96 { 96 {
97 factor = xAqm / xAqmDummy; 97 factor = xAqm / xAqmDummy;
98 } 98 }
99 G4XPDGElastic pdg; 99 G4XPDGElastic pdg;
100 100
101 sigma = pdg.CrossSection(piTrk,pTrk); 101 sigma = pdg.CrossSection(piTrk,pTrk);
102 sigma = sigma * factor; 102 sigma = sigma * factor;
103 } 103 }
104 104
105 return sigma; 105 return sigma;
106 } 106 }
107 107
108 108
109 G4String G4XMesonBaryonElastic::Name() const 109 G4String G4XMesonBaryonElastic::Name() const
110 { 110 {
111 G4String name("MesonBaryonElasticCrossSectio 111 G4String name("MesonBaryonElasticCrossSection");
112 return name; 112 return name;
113 } 113 }
114 114
115 115
116 116
117 G4bool G4XMesonBaryonElastic::IsValid(G4double 117 G4bool G4XMesonBaryonElastic::IsValid(G4double e) const
118 { 118 {
119 G4bool answer = InLimits(e,lowLimit,highLimi 119 G4bool answer = InLimits(e,lowLimit,highLimit);
120 120
121 return answer; 121 return answer;
122 } 122 }
123 123