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25 // 25 //
>> 26 // $Id: G4VCrossSectionSource.cc,v 1.6 2010-03-12 15:45:18 gunter Exp $ //
26 // 27 //
27 28
28 #include "globals.hh" 29 #include "globals.hh"
29 #include "G4SystemOfUnits.hh" 30 #include "G4SystemOfUnits.hh"
30 #include "G4HadronicException.hh" 31 #include "G4HadronicException.hh"
31 #include "G4ios.hh" 32 #include "G4ios.hh"
32 #include "G4Pow.hh" 33 #include "G4Pow.hh"
33 #include "G4VCrossSectionSource.hh" 34 #include "G4VCrossSectionSource.hh"
34 #include "G4ParticleDefinition.hh" 35 #include "G4ParticleDefinition.hh"
35 #include "G4KineticTrack.hh" 36 #include "G4KineticTrack.hh"
36 #include "G4CrossSectionVector.hh" 37 #include "G4CrossSectionVector.hh"
37 #include "G4CrossSectionSourcePtr.hh" 38 #include "G4CrossSectionSourcePtr.hh"
38 #include "G4Proton.hh" 39 #include "G4Proton.hh"
39 #include "G4Neutron.hh" 40 #include "G4Neutron.hh"
40 41
41 G4VCrossSectionSource::G4VCrossSectionSource() 42 G4VCrossSectionSource::G4VCrossSectionSource()
42 { } 43 { }
43 44
44 45
45 G4VCrossSectionSource::~G4VCrossSectionSource( 46 G4VCrossSectionSource::~G4VCrossSectionSource()
46 { } 47 { }
47 48
48 49
49 const G4ParticleDefinition * G4VCrossSectionSo 50 const G4ParticleDefinition * G4VCrossSectionSource::
50 FindKeyParticle(const G4KineticTrack& trk1,con 51 FindKeyParticle(const G4KineticTrack& trk1,const G4KineticTrack& trk2) const
51 { 52 {
52 const G4ParticleDefinition * result; 53 const G4ParticleDefinition * result;
53 54
54 const G4ParticleDefinition * p1 = trk1.GetDe 55 const G4ParticleDefinition * p1 = trk1.GetDefinition();
55 const G4ParticleDefinition * p2 = trk2.GetDe 56 const G4ParticleDefinition * p2 = trk2.GetDefinition();
56 57
57 if( (p1==G4Proton::Proton() && p2==G4Proton: 58 if( (p1==G4Proton::Proton() && p2==G4Proton::Proton() ) ||
58 (p1==G4Neutron::Neutron() && p2==G4Neutr 59 (p1==G4Neutron::Neutron() && p2==G4Neutron::Neutron()) )
59 { 60 {
60 result = G4Proton::Proton(); 61 result = G4Proton::Proton();
61 } 62 }
62 else if( (p1==G4Neutron::Neutron() && p2==G4 63 else if( (p1==G4Neutron::Neutron() && p2==G4Proton::Proton()) ||
63 (p2==G4Neutron::Neutron() && p1==G4 64 (p2==G4Neutron::Neutron() && p1==G4Proton::Proton()) )
64 { 65 {
65 result = G4Neutron::Neutron(); 66 result = G4Neutron::Neutron();
66 } 67 }
67 else 68 else
68 { 69 {
69 throw G4HadronicException(__FILE__, __LINE 70 throw G4HadronicException(__FILE__, __LINE__, "G4VCrossSectionSource: unklnown particles in FindKeyParticle");
70 } 71 }
71 return result; 72 return result;
72 } 73 }
73 74
74 G4bool G4VCrossSectionSource::operator==(const 75 G4bool G4VCrossSectionSource::operator==(const G4VCrossSectionSource &right) const
75 { 76 {
76 return (this == (G4VCrossSectionSource *) &r 77 return (this == (G4VCrossSectionSource *) &right);
77 } 78 }
78 79
79 80
80 G4bool G4VCrossSectionSource::operator!=(const 81 G4bool G4VCrossSectionSource::operator!=(const G4VCrossSectionSource &right) const
81 { 82 {
82 return (this != (G4VCrossSectionSource *) &r 83 return (this != (G4VCrossSectionSource *) &right);
83 } 84 }
84 85
85 86
86 void G4VCrossSectionSource::Print() const 87 void G4VCrossSectionSource::Print() const
87 { 88 {
88 std::size_t nComponents = 0; << 89 G4int nComponents = 0;
89 const G4CrossSectionVector* components = Get 90 const G4CrossSectionVector* components = GetComponents();
90 if (components) 91 if (components)
91 { 92 {
92 nComponents = components->size(); 93 nComponents = components->size();
93 } 94 }
94 G4cout << "---- " << this->Name() << " ---- 95 G4cout << "---- " << this->Name() << " ---- has " << nComponents << " components" <<G4endl;
95 for (std::size_t i=0; i<nComponents; ++i) << 96 G4int i;
>> 97 for (i=0; i<nComponents; i++)
96 { 98 {
97 G4cout << "-" << this->Name() << " - Co 99 G4cout << "-" << this->Name() << " - Component " << i << ": " <<G4endl;
98 100
99 G4CrossSectionSourcePtr componentPtr = ( 101 G4CrossSectionSourcePtr componentPtr = (*components)[i];
100 G4VCrossSectionSource* component = compo 102 G4VCrossSectionSource* component = componentPtr();
101 component->Print(); 103 component->Print();
102 } 104 }
103 } 105 }
104 106
105 107
106 void G4VCrossSectionSource::PrintAll(const G4K 108 void G4VCrossSectionSource::PrintAll(const G4KineticTrack& trk1, const G4KineticTrack& trk2) const
107 { 109 {
108 G4double sqrtS = (trk1.Get4Momentum() + trk2 110 G4double sqrtS = (trk1.Get4Momentum() + trk2.Get4Momentum()).mag();
109 G4double sigma = CrossSection(trk1,trk2) / m 111 G4double sigma = CrossSection(trk1,trk2) / millibarn;
110 G4cout << "---- " << Name() << ": " 112 G4cout << "---- " << Name() << ": "
111 << "Ecm = " << sqrtS / GeV << " GeV - " 113 << "Ecm = " << sqrtS / GeV << " GeV - "
112 << " Cross section = " << sigma << " mb " 114 << " Cross section = " << sigma << " mb "
113 << G4endl; 115 << G4endl;
114 116
115 std::size_t nComponents = 0; << 117 G4int nComponents = 0;
116 const G4CrossSectionVector* components = Get 118 const G4CrossSectionVector* components = GetComponents();
117 if (components != 0) 119 if (components != 0)
118 { 120 {
119 nComponents = components->size(); 121 nComponents = components->size();
120 } 122 }
121 for (std::size_t i=0; i<nComponents; ++i) << 123 G4int i;
>> 124 for (i=0; i<nComponents; i++)
122 { 125 {
123 G4cout << "* Component " << i << ": "; 126 G4cout << "* Component " << i << ": ";
124 G4CrossSectionSourcePtr componentPtr = ( 127 G4CrossSectionSourcePtr componentPtr = (*components)[i];
125 G4VCrossSectionSource* component = compo 128 G4VCrossSectionSource* component = componentPtr();
126 component->PrintAll(trk1,trk2); 129 component->PrintAll(trk1,trk2);
127 } 130 }
128 } 131 }
129 132
130 133
131 G4bool G4VCrossSectionSource::InLimits(G4doubl 134 G4bool G4VCrossSectionSource::InLimits(G4double e, G4double eLow, G4double eHigh) const
132 { 135 {
133 G4bool answer = false; 136 G4bool answer = false;
134 if (e >= eLow && e <= eHigh) answer = true; 137 if (e >= eLow && e <= eHigh) answer = true;
135 return answer; 138 return answer;
136 } 139 }
137 140
138 G4double G4VCrossSectionSource::LowLimit() con 141 G4double G4VCrossSectionSource::LowLimit() const
139 { 142 {
140 return 0.; 143 return 0.;
141 } 144 }
142 145
143 146
144 G4double G4VCrossSectionSource::HighLimit() co 147 G4double G4VCrossSectionSource::HighLimit() const
145 { 148 {
146 return DBL_MAX; 149 return DBL_MAX;
147 } 150 }
148 151
149 G4bool G4VCrossSectionSource::IsValid(G4double 152 G4bool G4VCrossSectionSource::IsValid(G4double e) const
150 { 153 {
151 G4bool answer = false; 154 G4bool answer = false;
152 if (e >= LowLimit() && e <= HighLimit()) ans 155 if (e >= LowLimit() && e <= HighLimit()) answer = true;
153 return answer; 156 return answer;
154 } 157 }
155 158
156 const G4ParticleDefinition* G4VCrossSectionSou 159 const G4ParticleDefinition* G4VCrossSectionSource::FindLightParticle(const G4KineticTrack& trk1,
157 const G4KineticTrack& trk 160 const G4KineticTrack& trk2) const
158 { 161 {
159 G4double mass1 = trk1.GetDefinition()->GetPD 162 G4double mass1 = trk1.GetDefinition()->GetPDGMass();
160 G4double mass2 = trk2.GetDefinition()->GetPD 163 G4double mass2 = trk2.GetDefinition()->GetPDGMass();
161 if (mass1 < mass2) 164 if (mass1 < mass2)
162 { 165 {
163 return trk1.GetDefinition(); 166 return trk1.GetDefinition();
164 } 167 }
165 else 168 else
166 { 169 {
167 return trk2.GetDefinition(); 170 return trk2.GetDefinition();
168 } 171 }
169 } 172 }
170 173
171 174
172 G4double G4VCrossSectionSource::FcrossX(G4doub 175 G4double G4VCrossSectionSource::FcrossX(G4double e, G4double e0,
173 G4double sigma, G4double 176 G4double sigma, G4double eParam, G4double power) const
174 { 177 {
175 G4double result = 0.; 178 G4double result = 0.;
176 179
177 G4double denom = eParam*eParam + (e-e0)*(e-e 180 G4double denom = eParam*eParam + (e-e0)*(e-e0);
178 if (denom > 0.) 181 if (denom > 0.)
179 { 182 {
180 G4double value = (2.* eParam * sigma * (e- 183 G4double value = (2.* eParam * sigma * (e-e0) / denom) * G4Pow::GetInstance()->powA(((e0 + eParam) / e), power);
181 result = std::max(0., value); 184 result = std::max(0., value);
182 } 185 }
183 return result; 186 return result;
184 } 187 }
185 188
186 189
187 190
188 191
189 192