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25 // 22 //
>> 23 // $Id: G4VCrossSectionSource.cc,v 1.2 2003/11/03 17:53:28 hpw Exp $ //
26 // 24 //
27 25
28 #include "globals.hh" 26 #include "globals.hh"
29 #include "G4SystemOfUnits.hh" <<
30 #include "G4HadronicException.hh" 27 #include "G4HadronicException.hh"
31 #include "G4ios.hh" 28 #include "G4ios.hh"
32 #include "G4Pow.hh" <<
33 #include "G4VCrossSectionSource.hh" 29 #include "G4VCrossSectionSource.hh"
34 #include "G4ParticleDefinition.hh" 30 #include "G4ParticleDefinition.hh"
35 #include "G4KineticTrack.hh" 31 #include "G4KineticTrack.hh"
36 #include "G4CrossSectionVector.hh" 32 #include "G4CrossSectionVector.hh"
37 #include "G4CrossSectionSourcePtr.hh" 33 #include "G4CrossSectionSourcePtr.hh"
38 #include "G4Proton.hh" 34 #include "G4Proton.hh"
39 #include "G4Neutron.hh" 35 #include "G4Neutron.hh"
40 36
41 G4VCrossSectionSource::G4VCrossSectionSource() 37 G4VCrossSectionSource::G4VCrossSectionSource()
42 { } 38 { }
43 39
44 40
45 G4VCrossSectionSource::~G4VCrossSectionSource( 41 G4VCrossSectionSource::~G4VCrossSectionSource()
46 { } 42 { }
47 43
48 44
49 const G4ParticleDefinition * G4VCrossSectionSo << 45 G4String G4VCrossSectionSource::
50 FindKeyParticle(const G4KineticTrack& trk1,con 46 FindKeyParticle(const G4KineticTrack& trk1,const G4KineticTrack& trk2) const
51 { 47 {
52 const G4ParticleDefinition * result; << 48 G4String result;
53 49
54 const G4ParticleDefinition * p1 = trk1.GetDe << 50 G4ParticleDefinition * p1 = trk1.GetDefinition();
55 const G4ParticleDefinition * p2 = trk2.GetDe << 51 G4ParticleDefinition * p2 = trk2.GetDefinition();
56 52
57 if( (p1==G4Proton::Proton() && p2==G4Proton: 53 if( (p1==G4Proton::Proton() && p2==G4Proton::Proton() ) ||
58 (p1==G4Neutron::Neutron() && p2==G4Neutr 54 (p1==G4Neutron::Neutron() && p2==G4Neutron::Neutron()) )
59 { 55 {
60 result = G4Proton::Proton(); << 56 result = G4Proton::Proton()->GetParticleName();
61 } 57 }
62 else if( (p1==G4Neutron::Neutron() && p2==G4 58 else if( (p1==G4Neutron::Neutron() && p2==G4Proton::Proton()) ||
63 (p2==G4Neutron::Neutron() && p1==G4 59 (p2==G4Neutron::Neutron() && p1==G4Proton::Proton()) )
64 { 60 {
65 result = G4Neutron::Neutron(); << 61 result = G4Neutron::Neutron()->GetParticleName();
66 } 62 }
67 else 63 else
68 { 64 {
69 throw G4HadronicException(__FILE__, __LINE 65 throw G4HadronicException(__FILE__, __LINE__, "G4VCrossSectionSource: unklnown particles in FindKeyParticle");
70 } 66 }
71 return result; 67 return result;
72 } 68 }
73 69
74 G4bool G4VCrossSectionSource::operator==(const 70 G4bool G4VCrossSectionSource::operator==(const G4VCrossSectionSource &right) const
75 { 71 {
76 return (this == (G4VCrossSectionSource *) &r 72 return (this == (G4VCrossSectionSource *) &right);
77 } 73 }
78 74
79 75
80 G4bool G4VCrossSectionSource::operator!=(const 76 G4bool G4VCrossSectionSource::operator!=(const G4VCrossSectionSource &right) const
81 { 77 {
82 return (this != (G4VCrossSectionSource *) &r 78 return (this != (G4VCrossSectionSource *) &right);
83 } 79 }
84 80
85 81
86 void G4VCrossSectionSource::Print() const 82 void G4VCrossSectionSource::Print() const
87 { 83 {
88 std::size_t nComponents = 0; << 84 G4int nComponents = 0;
89 const G4CrossSectionVector* components = Get 85 const G4CrossSectionVector* components = GetComponents();
90 if (components) 86 if (components)
91 { 87 {
92 nComponents = components->size(); 88 nComponents = components->size();
93 } 89 }
94 G4cout << "---- " << this->Name() << " ---- 90 G4cout << "---- " << this->Name() << " ---- has " << nComponents << " components" <<G4endl;
95 for (std::size_t i=0; i<nComponents; ++i) << 91 G4int i;
>> 92 for (i=0; i<nComponents; i++)
96 { 93 {
97 G4cout << "-" << this->Name() << " - Co 94 G4cout << "-" << this->Name() << " - Component " << i << ": " <<G4endl;
98 95
99 G4CrossSectionSourcePtr componentPtr = ( 96 G4CrossSectionSourcePtr componentPtr = (*components)[i];
100 G4VCrossSectionSource* component = compo 97 G4VCrossSectionSource* component = componentPtr();
101 component->Print(); 98 component->Print();
102 } 99 }
103 } 100 }
104 101
105 102
106 void G4VCrossSectionSource::PrintAll(const G4K 103 void G4VCrossSectionSource::PrintAll(const G4KineticTrack& trk1, const G4KineticTrack& trk2) const
107 { 104 {
108 G4double sqrtS = (trk1.Get4Momentum() + trk2 105 G4double sqrtS = (trk1.Get4Momentum() + trk2.Get4Momentum()).mag();
109 G4double sigma = CrossSection(trk1,trk2) / m 106 G4double sigma = CrossSection(trk1,trk2) / millibarn;
110 G4cout << "---- " << Name() << ": " 107 G4cout << "---- " << Name() << ": "
111 << "Ecm = " << sqrtS / GeV << " GeV - " 108 << "Ecm = " << sqrtS / GeV << " GeV - "
112 << " Cross section = " << sigma << " mb " 109 << " Cross section = " << sigma << " mb "
113 << G4endl; 110 << G4endl;
114 111
115 std::size_t nComponents = 0; << 112 G4int nComponents = 0;
116 const G4CrossSectionVector* components = Get 113 const G4CrossSectionVector* components = GetComponents();
117 if (components != 0) 114 if (components != 0)
118 { 115 {
119 nComponents = components->size(); 116 nComponents = components->size();
120 } 117 }
121 for (std::size_t i=0; i<nComponents; ++i) << 118 G4int i;
>> 119 for (i=0; i<nComponents; i++)
122 { 120 {
123 G4cout << "* Component " << i << ": "; 121 G4cout << "* Component " << i << ": ";
124 G4CrossSectionSourcePtr componentPtr = ( 122 G4CrossSectionSourcePtr componentPtr = (*components)[i];
125 G4VCrossSectionSource* component = compo 123 G4VCrossSectionSource* component = componentPtr();
126 component->PrintAll(trk1,trk2); 124 component->PrintAll(trk1,trk2);
127 } 125 }
128 } 126 }
129 127
130 128
131 G4bool G4VCrossSectionSource::InLimits(G4doubl 129 G4bool G4VCrossSectionSource::InLimits(G4double e, G4double eLow, G4double eHigh) const
132 { 130 {
133 G4bool answer = false; 131 G4bool answer = false;
134 if (e >= eLow && e <= eHigh) answer = true; 132 if (e >= eLow && e <= eHigh) answer = true;
135 return answer; 133 return answer;
136 } 134 }
137 135
138 G4double G4VCrossSectionSource::LowLimit() con 136 G4double G4VCrossSectionSource::LowLimit() const
139 { 137 {
140 return 0.; 138 return 0.;
141 } 139 }
142 140
143 141
144 G4double G4VCrossSectionSource::HighLimit() co 142 G4double G4VCrossSectionSource::HighLimit() const
145 { 143 {
146 return DBL_MAX; 144 return DBL_MAX;
147 } 145 }
148 146
149 G4bool G4VCrossSectionSource::IsValid(G4double 147 G4bool G4VCrossSectionSource::IsValid(G4double e) const
150 { 148 {
151 G4bool answer = false; 149 G4bool answer = false;
152 if (e >= LowLimit() && e <= HighLimit()) ans 150 if (e >= LowLimit() && e <= HighLimit()) answer = true;
153 return answer; 151 return answer;
154 } 152 }
155 153
156 const G4ParticleDefinition* G4VCrossSectionSou 154 const G4ParticleDefinition* G4VCrossSectionSource::FindLightParticle(const G4KineticTrack& trk1,
157 const G4KineticTrack& trk 155 const G4KineticTrack& trk2) const
158 { 156 {
159 G4double mass1 = trk1.GetDefinition()->GetPD 157 G4double mass1 = trk1.GetDefinition()->GetPDGMass();
160 G4double mass2 = trk2.GetDefinition()->GetPD 158 G4double mass2 = trk2.GetDefinition()->GetPDGMass();
161 if (mass1 < mass2) 159 if (mass1 < mass2)
162 { 160 {
163 return trk1.GetDefinition(); 161 return trk1.GetDefinition();
164 } 162 }
165 else 163 else
166 { 164 {
167 return trk2.GetDefinition(); 165 return trk2.GetDefinition();
168 } 166 }
169 } 167 }
170 168
171 169
172 G4double G4VCrossSectionSource::FcrossX(G4doub << 170 const G4double G4VCrossSectionSource::FcrossX(G4double e, G4double e0, G4double sigma,
173 G4double sigma, G4double << 171 G4double eParam, G4double power) const
174 { 172 {
175 G4double result = 0.; 173 G4double result = 0.;
176 174
177 G4double denom = eParam*eParam + (e-e0)*(e-e 175 G4double denom = eParam*eParam + (e-e0)*(e-e0);
178 if (denom > 0.) 176 if (denom > 0.)
179 { 177 {
180 G4double value = (2.* eParam * sigma * (e- << 178 G4double value = (2.* eParam * sigma * (e-e0) / denom) * pow(((e0 + eParam) / e), power);
181 result = std::max(0., value); 179 result = std::max(0., value);
182 } 180 }
183 return result; 181 return result;
184 } 182 }
>> 183
>> 184 const G4double G4VCrossSectionSource::GetTransversePionMass() const
>> 185 {
>> 186 // Parameter from UrQMD
>> 187 const G4double transversePionMass = 0.3 * GeV;
>> 188 return transversePionMass;
>> 189 }
>> 190
185 191
>> 192 const G4double G4VCrossSectionSource::GetMinStringMass() const
>> 193 {
>> 194 // Parameter from UrQMD
>> 195 const G4double minStringMass = 0.52 * GeV;
>> 196 return minStringMass;
>> 197 }
186 198
187 199
188 200
189 201