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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 "G4VCrossSectionSource.hh" 33 #include "G4VCrossSectionSource.hh"
34 #include "G4ParticleDefinition.hh" 34 #include "G4ParticleDefinition.hh"
35 #include "G4KineticTrack.hh" 35 #include "G4KineticTrack.hh"
36 #include "G4CrossSectionVector.hh" 36 #include "G4CrossSectionVector.hh"
37 #include "G4CrossSectionSourcePtr.hh" 37 #include "G4CrossSectionSourcePtr.hh"
38 #include "G4Proton.hh" 38 #include "G4Proton.hh"
39 #include "G4Neutron.hh" 39 #include "G4Neutron.hh"
40 40
41 G4VCrossSectionSource::G4VCrossSectionSource() 41 G4VCrossSectionSource::G4VCrossSectionSource()
42 { } 42 { }
43 43
44 44
45 G4VCrossSectionSource::~G4VCrossSectionSource( 45 G4VCrossSectionSource::~G4VCrossSectionSource()
46 { } 46 { }
47 47
48 48
49 const G4ParticleDefinition * G4VCrossSectionSo << 49 G4ParticleDefinition * G4VCrossSectionSource::
50 FindKeyParticle(const G4KineticTrack& trk1,con 50 FindKeyParticle(const G4KineticTrack& trk1,const G4KineticTrack& trk2) const
51 { 51 {
52 const G4ParticleDefinition * result; << 52 G4ParticleDefinition * result;
53 53
54 const G4ParticleDefinition * p1 = trk1.GetDe << 54 G4ParticleDefinition * p1 = trk1.GetDefinition();
55 const G4ParticleDefinition * p2 = trk2.GetDe << 55 G4ParticleDefinition * p2 = trk2.GetDefinition();
56 56
57 if( (p1==G4Proton::Proton() && p2==G4Proton: 57 if( (p1==G4Proton::Proton() && p2==G4Proton::Proton() ) ||
58 (p1==G4Neutron::Neutron() && p2==G4Neutr 58 (p1==G4Neutron::Neutron() && p2==G4Neutron::Neutron()) )
59 { 59 {
60 result = G4Proton::Proton(); 60 result = G4Proton::Proton();
61 } 61 }
62 else if( (p1==G4Neutron::Neutron() && p2==G4 62 else if( (p1==G4Neutron::Neutron() && p2==G4Proton::Proton()) ||
63 (p2==G4Neutron::Neutron() && p1==G4 63 (p2==G4Neutron::Neutron() && p1==G4Proton::Proton()) )
64 { 64 {
65 result = G4Neutron::Neutron(); 65 result = G4Neutron::Neutron();
66 } 66 }
67 else 67 else
68 { 68 {
69 throw G4HadronicException(__FILE__, __LINE 69 throw G4HadronicException(__FILE__, __LINE__, "G4VCrossSectionSource: unklnown particles in FindKeyParticle");
70 } 70 }
71 return result; 71 return result;
72 } 72 }
73 73
74 G4bool G4VCrossSectionSource::operator==(const 74 G4bool G4VCrossSectionSource::operator==(const G4VCrossSectionSource &right) const
75 { 75 {
76 return (this == (G4VCrossSectionSource *) &r 76 return (this == (G4VCrossSectionSource *) &right);
77 } 77 }
78 78
79 79
80 G4bool G4VCrossSectionSource::operator!=(const 80 G4bool G4VCrossSectionSource::operator!=(const G4VCrossSectionSource &right) const
81 { 81 {
82 return (this != (G4VCrossSectionSource *) &r 82 return (this != (G4VCrossSectionSource *) &right);
83 } 83 }
84 84
85 85
86 void G4VCrossSectionSource::Print() const 86 void G4VCrossSectionSource::Print() const
87 { 87 {
88 std::size_t nComponents = 0; << 88 G4int nComponents = 0;
89 const G4CrossSectionVector* components = Get 89 const G4CrossSectionVector* components = GetComponents();
90 if (components) 90 if (components)
91 { 91 {
92 nComponents = components->size(); 92 nComponents = components->size();
93 } 93 }
94 G4cout << "---- " << this->Name() << " ---- 94 G4cout << "---- " << this->Name() << " ---- has " << nComponents << " components" <<G4endl;
95 for (std::size_t i=0; i<nComponents; ++i) << 95 G4int i;
>> 96 for (i=0; i<nComponents; i++)
96 { 97 {
97 G4cout << "-" << this->Name() << " - Co 98 G4cout << "-" << this->Name() << " - Component " << i << ": " <<G4endl;
98 99
99 G4CrossSectionSourcePtr componentPtr = ( 100 G4CrossSectionSourcePtr componentPtr = (*components)[i];
100 G4VCrossSectionSource* component = compo 101 G4VCrossSectionSource* component = componentPtr();
101 component->Print(); 102 component->Print();
102 } 103 }
103 } 104 }
104 105
105 106
106 void G4VCrossSectionSource::PrintAll(const G4K 107 void G4VCrossSectionSource::PrintAll(const G4KineticTrack& trk1, const G4KineticTrack& trk2) const
107 { 108 {
108 G4double sqrtS = (trk1.Get4Momentum() + trk2 109 G4double sqrtS = (trk1.Get4Momentum() + trk2.Get4Momentum()).mag();
109 G4double sigma = CrossSection(trk1,trk2) / m 110 G4double sigma = CrossSection(trk1,trk2) / millibarn;
110 G4cout << "---- " << Name() << ": " 111 G4cout << "---- " << Name() << ": "
111 << "Ecm = " << sqrtS / GeV << " GeV - " 112 << "Ecm = " << sqrtS / GeV << " GeV - "
112 << " Cross section = " << sigma << " mb " 113 << " Cross section = " << sigma << " mb "
113 << G4endl; 114 << G4endl;
114 115
115 std::size_t nComponents = 0; << 116 G4int nComponents = 0;
116 const G4CrossSectionVector* components = Get 117 const G4CrossSectionVector* components = GetComponents();
117 if (components != 0) 118 if (components != 0)
118 { 119 {
119 nComponents = components->size(); 120 nComponents = components->size();
120 } 121 }
121 for (std::size_t i=0; i<nComponents; ++i) << 122 G4int i;
>> 123 for (i=0; i<nComponents; i++)
122 { 124 {
123 G4cout << "* Component " << i << ": "; 125 G4cout << "* Component " << i << ": ";
124 G4CrossSectionSourcePtr componentPtr = ( 126 G4CrossSectionSourcePtr componentPtr = (*components)[i];
125 G4VCrossSectionSource* component = compo 127 G4VCrossSectionSource* component = componentPtr();
126 component->PrintAll(trk1,trk2); 128 component->PrintAll(trk1,trk2);
127 } 129 }
128 } 130 }
129 131
130 132
131 G4bool G4VCrossSectionSource::InLimits(G4doubl 133 G4bool G4VCrossSectionSource::InLimits(G4double e, G4double eLow, G4double eHigh) const
132 { 134 {
133 G4bool answer = false; 135 G4bool answer = false;
134 if (e >= eLow && e <= eHigh) answer = true; 136 if (e >= eLow && e <= eHigh) answer = true;
135 return answer; 137 return answer;
136 } 138 }
137 139
138 G4double G4VCrossSectionSource::LowLimit() con 140 G4double G4VCrossSectionSource::LowLimit() const
139 { 141 {
140 return 0.; 142 return 0.;
141 } 143 }
142 144
143 145
144 G4double G4VCrossSectionSource::HighLimit() co 146 G4double G4VCrossSectionSource::HighLimit() const
145 { 147 {
146 return DBL_MAX; 148 return DBL_MAX;
147 } 149 }
148 150
149 G4bool G4VCrossSectionSource::IsValid(G4double 151 G4bool G4VCrossSectionSource::IsValid(G4double e) const
150 { 152 {
151 G4bool answer = false; 153 G4bool answer = false;
152 if (e >= LowLimit() && e <= HighLimit()) ans 154 if (e >= LowLimit() && e <= HighLimit()) answer = true;
153 return answer; 155 return answer;
154 } 156 }
155 157
156 const G4ParticleDefinition* G4VCrossSectionSou 158 const G4ParticleDefinition* G4VCrossSectionSource::FindLightParticle(const G4KineticTrack& trk1,
157 const G4KineticTrack& trk 159 const G4KineticTrack& trk2) const
158 { 160 {
159 G4double mass1 = trk1.GetDefinition()->GetPD 161 G4double mass1 = trk1.GetDefinition()->GetPDGMass();
160 G4double mass2 = trk2.GetDefinition()->GetPD 162 G4double mass2 = trk2.GetDefinition()->GetPDGMass();
161 if (mass1 < mass2) 163 if (mass1 < mass2)
162 { 164 {
163 return trk1.GetDefinition(); 165 return trk1.GetDefinition();
164 } 166 }
165 else 167 else
166 { 168 {
167 return trk2.GetDefinition(); 169 return trk2.GetDefinition();
168 } 170 }
169 } 171 }
170 172
171 173
172 G4double G4VCrossSectionSource::FcrossX(G4doub 174 G4double G4VCrossSectionSource::FcrossX(G4double e, G4double e0,
173 G4double sigma, G4double 175 G4double sigma, G4double eParam, G4double power) const
174 { 176 {
175 G4double result = 0.; 177 G4double result = 0.;
176 178
177 G4double denom = eParam*eParam + (e-e0)*(e-e 179 G4double denom = eParam*eParam + (e-e0)*(e-e0);
178 if (denom > 0.) 180 if (denom > 0.)
179 { 181 {
180 G4double value = (2.* eParam * sigma * (e- << 182 G4double value = (2.* eParam * sigma * (e-e0) / denom) * std::pow(((e0 + eParam) / e), power);
181 result = std::max(0., value); 183 result = std::max(0., value);
182 } 184 }
183 return result; 185 return result;
184 } 186 }
>> 187
>> 188 G4double G4VCrossSectionSource::GetTransversePionMass() const
>> 189 {
>> 190 // Parameter from UrQMD
>> 191 const G4double transversePionMass = 0.3 * GeV;
>> 192 return transversePionMass;
>> 193 }
>> 194
185 195
>> 196 G4double G4VCrossSectionSource::GetMinStringMass() const
>> 197 {
>> 198 // Parameter from UrQMD
>> 199 const G4double minStringMass = 0.52 * GeV;
>> 200 return minStringMass;
>> 201 }
186 202
187 203
188 204
189 205