| Geant4 Cross Reference |
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25 // 25 //
26 // Class Description 26 // Class Description
27 // Cross Section for LEND (Low Energy Nuclear 27 // Cross Section for LEND (Low Energy Nuclear Data)
28 // LEND is Geant4 interface for GIDI (General 28 // LEND is Geant4 interface for GIDI (General Interaction Data Interface)
29 // which gives a discription of nuclear and at 29 // which gives a discription of nuclear and atomic reactions, such as
30 // Binary collision cross sections 30 // Binary collision cross sections
31 // Particle number multiplicity distributio 31 // Particle number multiplicity distributions of reaction products
32 // Energy and angular distributions of reac 32 // Energy and angular distributions of reaction products
33 // Derived calculational constants 33 // Derived calculational constants
34 // GIDI is developped at Lawrence Livermore Na 34 // GIDI is developped at Lawrence Livermore National Laboratory
35 // Class Description - End 35 // Class Description - End
36 36
37 // 071025 First implementation done by T. Koi 37 // 071025 First implementation done by T. Koi (SLAC/SCCS)
38 // 101118 Name modifications for release T. Ko 38 // 101118 Name modifications for release T. Koi (SLAC/PPA)
39 39
40 #include "G4LENDCrossSection.hh" 40 #include "G4LENDCrossSection.hh"
41 #include "G4Pow.hh" 41 #include "G4Pow.hh"
42 #include "G4SystemOfUnits.hh" 42 #include "G4SystemOfUnits.hh"
43 #include "G4ElementTable.hh" 43 #include "G4ElementTable.hh"
44 #include "G4HadronicException.hh" 44 #include "G4HadronicException.hh"
45 45
46 G4bool G4LENDCrossSection::IsIsoApplicable( co << 46 //TK110811
47 co << 47 G4bool G4LENDCrossSection::IsIsoApplicable( const G4DynamicParticle* dp, G4int /*iZ*/ , G4int /*aA*/ ,
>> 48 const G4Element* /*element*/ , const G4Material* /*material*/ )
48 { 49 {
49 G4double eKin = dp->GetKineticEnergy(); 50 G4double eKin = dp->GetKineticEnergy();
50 if ( dp->GetDefinition() != proj ) return f 51 if ( dp->GetDefinition() != proj ) return false;
51 if ( eKin > GetMaxKinEnergy() || eKin < Get 52 if ( eKin > GetMaxKinEnergy() || eKin < GetMinKinEnergy() ) return false;
52 53
53 //G4cout << "G4LENDCrossSection::GetIsoIsIs << 54 return true;
54 //Check existence of target data <<
55 if ( element != NULL ) { <<
56 if ( element->GetNumberOfIsotopes() != 0 <<
57 std::vector< const G4Isotope*> vIsoto <<
58 for ( G4int i = 0 ; i != (G4int)eleme <<
59 if ( element->GetIsotope( i )->Get <<
60 } <<
61 for ( std::size_t i = 0 ; i != vIsoto <<
62 G4int iM = vIsotope[i]->Getm(); <<
63 if ( get_target_from_map( lend_man <<
64 } <<
65 //No isomer has data <<
66 //Check natural aboundance data for t <<
67 if ( get_target_from_map( lend_manage <<
68 } else { <<
69 //Check for iZ and iA under assuming <<
70 if ( get_target_from_map( lend_manage <<
71 //Check natural aboundance data for t <<
72 if ( get_target_from_map( lend_manage <<
73 } <<
74 } else { <<
75 //Check for iZ and iA under assuming iM <<
76 if ( get_target_from_map( lend_manager-> <<
77 //Check natural aboundance data for iZ <<
78 if ( get_target_from_map( lend_manager-> <<
79 } <<
80 return false; <<
81 } 55 }
82 56
83 G4double G4LENDCrossSection::GetIsoCrossSectio 57 G4double G4LENDCrossSection::GetIsoCrossSection( const G4DynamicParticle* dp , G4int iZ , G4int iA ,
84 58 const G4Isotope* isotope , const G4Element* /*elment*/ , const G4Material* material )
85 { 59 {
86 60
87 G4double xs = 0.0; 61 G4double xs = 0.0;
88 G4double ke = dp->GetKineticEnergy(); 62 G4double ke = dp->GetKineticEnergy();
89 G4double temp = material->GetTemperature(); 63 G4double temp = material->GetTemperature();
90 G4int iM = 0; << 64 G4int iM = isotope->Getm();
91 if ( isotope != NULL ) iM = isotope->Getm() << 65
92 << 66 G4GIDI_target* aTarget = usedTarget_map.find( lend_manager->GetNucleusEncoding( iZ , iA , iM ) )->second->GetTarget();
93 G4GIDI_target* aTarget = get_target_from_ma << 67
94 if ( aTarget == NULL ) { <<
95 G4String message; <<
96 message = this->GetName(); <<
97 message += " is unexpectedly called."; <<
98 //G4Exception( "G4LEND::GetIsoCrossSecti <<
99 G4Exception( "G4LEND::GetIsoCrossSection <<
100 message ); <<
101 } <<
102 xs = getLENDCrossSection ( aTarget , ke , t 68 xs = getLENDCrossSection ( aTarget , ke , temp );
103 69
104 return xs; 70 return xs;
105 } 71 }
106 72
107 73
108 /* 74 /*
109 G4bool G4LENDCrossSection::IsApplicable(const 75 G4bool G4LENDCrossSection::IsApplicable(const G4DynamicParticle*aP, const G4Element*)
110 { 76 {
111 G4bool result = true; 77 G4bool result = true;
112 G4double eKin = aP->GetKineticEnergy(); 78 G4double eKin = aP->GetKineticEnergy();
113 if( eKin > GetMaxKinEnergy() || aP->GetDefi 79 if( eKin > GetMaxKinEnergy() || aP->GetDefinition() != proj ) result = false;
114 return result; 80 return result;
115 } 81 }
116 */ 82 */
117 83
118 G4LENDCrossSection::G4LENDCrossSection( const 84 G4LENDCrossSection::G4LENDCrossSection( const G4String nam )
119 :G4VCrossSectionDataSet( nam ) 85 :G4VCrossSectionDataSet( nam )
120 { 86 {
121 87
122 proj = NULL; //will be set in an inherited 88 proj = NULL; //will be set in an inherited class
123 //default_evaluation = "endl99"; 89 //default_evaluation = "endl99";
124 //default_evaluation = "ENDF.B-VII.0"; 90 //default_evaluation = "ENDF.B-VII.0";
125 default_evaluation = "ENDF/BVII.1"; 91 default_evaluation = "ENDF/BVII.1";
126 92
127 allow_nat = false; 93 allow_nat = false;
128 allow_any = false; 94 allow_any = false;
129 95
130 SetMinKinEnergy( 0*MeV ); 96 SetMinKinEnergy( 0*MeV );
131 SetMaxKinEnergy( 20*MeV ); 97 SetMaxKinEnergy( 20*MeV );
132 98
133 lend_manager = G4LENDManager::GetInstance() 99 lend_manager = G4LENDManager::GetInstance();
134 100
135 } 101 }
136 102
137 G4LENDCrossSection::~G4LENDCrossSection() 103 G4LENDCrossSection::~G4LENDCrossSection()
138 { 104 {
139 105
140 for ( std::map< G4int , G4LENDUsedTarget* > 106 for ( std::map< G4int , G4LENDUsedTarget* >::iterator
141 it = usedTarget_map.begin() ; it != u 107 it = usedTarget_map.begin() ; it != usedTarget_map.end() ; it ++ )
142 { 108 {
143 delete it->second; 109 delete it->second;
144 } 110 }
145 111
146 } 112 }
147 113
148 void G4LENDCrossSection::BuildPhysicsTable( co 114 void G4LENDCrossSection::BuildPhysicsTable( const G4ParticleDefinition& )
149 { 115 {
150 create_used_target_map(); 116 create_used_target_map();
151 } 117 }
152 118
153 void G4LENDCrossSection::DumpPhysicsTable(cons 119 void G4LENDCrossSection::DumpPhysicsTable(const G4ParticleDefinition& aP)
154 { 120 {
155 121
156 if ( &aP != proj ) 122 if ( &aP != proj )
157 throw G4HadronicException(__FILE__, __LIN 123 throw G4HadronicException(__FILE__, __LINE__, "Attempt to use LEND data for particles other than neutrons!!!");
158 124
159 G4cout << G4endl; 125 G4cout << G4endl;
160 G4cout << "Dump Cross Sections of " << GetN 126 G4cout << "Dump Cross Sections of " << GetName() << G4endl;
161 G4cout << "(Pointwise cross-section at 300 127 G4cout << "(Pointwise cross-section at 300 Kelvin.)" << G4endl;
162 G4cout << G4endl; 128 G4cout << G4endl;
163 129
164 G4cout << "Target informaiton " << G4endl; 130 G4cout << "Target informaiton " << G4endl;
165 131
166 for ( std::map< G4int , G4LENDUsedTarget* > 132 for ( std::map< G4int , G4LENDUsedTarget* >::iterator
167 it = usedTarget_map.begin() ; it != u 133 it = usedTarget_map.begin() ; it != usedTarget_map.end() ; it ++ )
168 { 134 {
169 G4cout 135 G4cout
170 << "Wanted " << it->second->GetWanted 136 << "Wanted " << it->second->GetWantedEvaluation()
171 << ", Z= " << it->second->GetWantedZ( 137 << ", Z= " << it->second->GetWantedZ()
172 << ", A= " << it->second->GetWantedA( 138 << ", A= " << it->second->GetWantedA()
173 << "; Actual " << it->second->GetActu 139 << "; Actual " << it->second->GetActualEvaluation()
174 << ", Z= " << it->second->GetActualZ( 140 << ", Z= " << it->second->GetActualZ()
175 << ", A= " << it->second->GetActualA( 141 << ", A= " << it->second->GetActualA()
176 << ", " << it->second->GetTarget() 142 << ", " << it->second->GetTarget()
177 << G4endl; 143 << G4endl;
178 144
179 G4int ie = 0; 145 G4int ie = 0;
180 146
181 G4GIDI_target* aTarget = it->second->Get 147 G4GIDI_target* aTarget = it->second->GetTarget();
182 G4double aT = 300; 148 G4double aT = 300;
183 for ( ie = 0 ; ie < 130 ; ie++ ) 149 for ( ie = 0 ; ie < 130 ; ie++ )
184 { 150 {
185 G4double ke = 1.0e-5 * G4Pow::GetInst 151 G4double ke = 1.0e-5 * G4Pow::GetInstance()->powA ( 10.0 , ie/10.0 ) *eV;
186 152
187 if ( ke < 20*MeV ) 153 if ( ke < 20*MeV )
188 { 154 {
189 G4cout << " " << GetName() << ", 155 G4cout << " " << GetName() << ", cross section at " << ke/eV << " [eV] = " << getLENDCrossSection ( aTarget , ke , aT )/barn << " [barn] " << G4endl;
190 } 156 }
191 } 157 }
192 G4cout << G4endl; 158 G4cout << G4endl;
193 159
194 } 160 }
195 161
196 } 162 }
197 163
198 164
199 /* 165 /*
200 //110810 166 //110810
201 //G4double G4LENDCrossSection::GetCrossSection 167 //G4double G4LENDCrossSection::GetCrossSection(const G4DynamicParticle* aP , const G4Element* anElement , G4double aT)
202 G4double G4LENDCrossSection::GetCrossSection(c 168 G4double G4LENDCrossSection::GetCrossSection(const G4DynamicParticle* aP , int iZ , const G4Material* aMat)
203 { 169 {
204 170
205 //110810 171 //110810
206 G4double aT = aMat->GetTemperature(); 172 G4double aT = aMat->GetTemperature();
207 G4Element* anElement = lend_manager->GetNis 173 G4Element* anElement = lend_manager->GetNistElementBuilder()->FindOrBuildElement( iZ );
208 174
209 G4double ke = aP->GetKineticEnergy(); 175 G4double ke = aP->GetKineticEnergy();
210 G4double XS = 0.0; 176 G4double XS = 0.0;
211 177
212 G4int numberOfIsotope = anElement->GetNumbe 178 G4int numberOfIsotope = anElement->GetNumberOfIsotopes();
213 179
214 if ( numberOfIsotope > 0 ) 180 if ( numberOfIsotope > 0 )
215 { 181 {
216 // User Defined Abundances 182 // User Defined Abundances
217 for ( G4int i_iso = 0 ; i_iso < numberOf 183 for ( G4int i_iso = 0 ; i_iso < numberOfIsotope ; i_iso++ )
218 { 184 {
219 185
220 G4int iZ = anElement->GetIsotope( i_i 186 G4int iZ = anElement->GetIsotope( i_iso )->GetZ();
221 G4int iA = anElement->GetIsotope( i_i 187 G4int iA = anElement->GetIsotope( i_iso )->GetN();
222 G4double ratio = anElement->GetRelati 188 G4double ratio = anElement->GetRelativeAbundanceVector()[i_iso];
223 189
224 G4GIDI_target* aTarget = usedTarget_m 190 G4GIDI_target* aTarget = usedTarget_map.find( lend_manager->GetNucleusEncoding( iZ , iA ) )->second->GetTarget();
225 XS += ratio*getLENDCrossSection ( aTa 191 XS += ratio*getLENDCrossSection ( aTarget , ke , aT );
226 192
227 } 193 }
228 } 194 }
229 else 195 else
230 { 196 {
231 // Natural Abundances 197 // Natural Abundances
232 G4NistElementBuilder* nistElementBuild = 198 G4NistElementBuilder* nistElementBuild = lend_manager->GetNistElementBuilder();
233 G4int iZ = int ( anElement->GetZ() ); 199 G4int iZ = int ( anElement->GetZ() );
234 G4int numberOfNistIso = nistElementBuild 200 G4int numberOfNistIso = nistElementBuild->GetNumberOfNistIsotopes( int ( anElement->GetZ() ) );
235 201
236 G4int Nfirst = nistElementBuild->GetNis 202 G4int Nfirst = nistElementBuild->GetNistFirstIsotopeN( iZ );
237 for ( G4int i = 0 ; i < numberOfNistIso 203 for ( G4int i = 0 ; i < numberOfNistIso ; i++ )
238 { 204 {
239 G4int iA = Nfirst + i; 205 G4int iA = Nfirst + i;
240 G4double ratio = nistElementBuild->Ge 206 G4double ratio = nistElementBuild->GetIsotopeAbundance( iZ , iA );
241 if ( ratio > 0.0 ) 207 if ( ratio > 0.0 )
242 { 208 {
243 G4GIDI_target* aTarget = usedTarge 209 G4GIDI_target* aTarget = usedTarget_map.find( lend_manager->GetNucleusEncoding( iZ , iA ) )->second->GetTarget();
244 XS += ratio*getLENDCrossSection ( 210 XS += ratio*getLENDCrossSection ( aTarget , ke , aT );
245 //G4cout << ke/eV << " " << iZ << 211 //G4cout << ke/eV << " " << iZ << " " << iMass << " " << aTarget << " " << getLENDCrossSection ( aTarget , ke , aT ) << G4endl;
246 } 212 }
247 } 213 }
248 } 214 }
249 215
250 //G4cout << "XS= " << XS << G4endl; 216 //G4cout << "XS= " << XS << G4endl;
251 return XS; 217 return XS;
252 } 218 }
253 219
254 220
255 221
256 //110810 222 //110810
257 //G4double G4LENDCrossSection::GetIsoCrossSect 223 //G4double G4LENDCrossSection::GetIsoCrossSection(const G4DynamicParticle* dp, const G4Isotope* isotope, G4double aT )
258 G4double G4LENDCrossSection::GetIsoCrossSectio 224 G4double G4LENDCrossSection::GetIsoCrossSection(const G4DynamicParticle* dp, const G4Isotope* isotope, const G4Material* aMat)
259 { 225 {
260 226
261 //110810 227 //110810
262 G4double aT = aMat->GetTemperature(); 228 G4double aT = aMat->GetTemperature();
263 229
264 G4double ke = dp->GetKineticEnergy(); 230 G4double ke = dp->GetKineticEnergy();
265 231
266 G4int iZ = isotope->GetZ(); 232 G4int iZ = isotope->GetZ();
267 G4int iA = isotope->GetN(); 233 G4int iA = isotope->GetN();
268 234
269 G4GIDI_target* aTarget = usedTarget_map.fin 235 G4GIDI_target* aTarget = usedTarget_map.find( lend_manager->GetNucleusEncoding( iZ , iA ) )->second->GetTarget();
270 236
271 return getLENDCrossSection ( aTarget , ke , 237 return getLENDCrossSection ( aTarget , ke , aT );
272 238
273 } 239 }
274 240
275 241
276 242
277 //110810 243 //110810
278 //G4double G4LENDCrossSection::GetZandACrossSe 244 //G4double G4LENDCrossSection::GetZandACrossSection(const G4DynamicParticle* dp, G4int iZ, G4int iA, G4double aT)
279 G4double G4LENDCrossSection::GetZandACrossSect 245 G4double G4LENDCrossSection::GetZandACrossSection(const G4DynamicParticle* dp, G4int iZ, G4int iA, const G4Material* aMat)
280 { 246 {
281 247
282 //110810 248 //110810
283 G4double aT = aMat->GetTemperature(); 249 G4double aT = aMat->GetTemperature();
284 250
285 G4double ke = dp->GetKineticEnergy(); 251 G4double ke = dp->GetKineticEnergy();
286 252
287 G4GIDI_target* aTarget = usedTarget_map.fin 253 G4GIDI_target* aTarget = usedTarget_map.find( lend_manager->GetNucleusEncoding( iZ , iA ) )->second->GetTarget();
288 254
289 return getLENDCrossSection ( aTarget , ke , 255 return getLENDCrossSection ( aTarget , ke , aT );
290 256
291 } 257 }
292 */ 258 */
293 259
294 260
295 261
296 void G4LENDCrossSection::recreate_used_target_ 262 void G4LENDCrossSection::recreate_used_target_map()
297 { 263 {
298 for ( std::map< G4int , G4LENDUsedTarget* > 264 for ( std::map< G4int , G4LENDUsedTarget* >::iterator
299 it = usedTarget_map.begin() ; it != u 265 it = usedTarget_map.begin() ; it != usedTarget_map.end() ; it ++ )
300 { 266 {
301 delete it->second; 267 delete it->second;
302 } 268 }
303 usedTarget_map.clear(); 269 usedTarget_map.clear();
304 270
305 create_used_target_map(); 271 create_used_target_map();
306 } 272 }
307 273
308 274
309 275
310 void G4LENDCrossSection::create_used_target_ma 276 void G4LENDCrossSection::create_used_target_map()
311 { 277 {
312 278
313 lend_manager->RequestChangeOfVerboseLevel( 279 lend_manager->RequestChangeOfVerboseLevel( verboseLevel );
314 280
315 std::size_t numberOfElements = G4Element::G << 281 size_t numberOfElements = G4Element::GetNumberOfElements();
316 static const G4ElementTable* theElementTabl 282 static const G4ElementTable* theElementTable = G4Element::GetElementTable();
317 283
318 for ( std::size_t i = 0 ; i < numberOfEleme << 284 for ( size_t i = 0 ; i < numberOfElements ; ++i )
319 { 285 {
320 286
321 const G4Element* anElement = (*theElemen 287 const G4Element* anElement = (*theElementTable)[i];
322 G4int numberOfIsotope = (G4int)anElement << 288 G4int numberOfIsotope = anElement->GetNumberOfIsotopes();
323 289
324 if ( numberOfIsotope > 0 ) 290 if ( numberOfIsotope > 0 )
325 { 291 {
326 // User Defined Abundances 292 // User Defined Abundances
327 for ( G4int i_iso = 0 ; i_iso < numbe 293 for ( G4int i_iso = 0 ; i_iso < numberOfIsotope ; i_iso++ )
328 { 294 {
329 G4int iZ = anElement->GetIsotope( 295 G4int iZ = anElement->GetIsotope( i_iso )->GetZ();
330 G4int iA = anElement->GetIsotope( 296 G4int iA = anElement->GetIsotope( i_iso )->GetN();
331 G4int iIsomer = anElement->GetIsot 297 G4int iIsomer = anElement->GetIsotope( i_iso )->Getm();
332 298
333 //G4LENDUsedTarget* aTarget = new 299 //G4LENDUsedTarget* aTarget = new G4LENDUsedTarget ( G4Neutron::Neutron() , default_evaluation , iZ , iA );
334 G4LENDUsedTarget* aTarget = new G4 << 300 G4LENDUsedTarget* aTarget = new G4LENDUsedTarget ( proj , default_evaluation , iZ , iA );
335 if ( allow_nat == true ) aTarget-> 301 if ( allow_nat == true ) aTarget->AllowNat();
336 if ( allow_any == true ) aTarget-> 302 if ( allow_any == true ) aTarget->AllowAny();
337 usedTarget_map.insert( std::pair< 303 usedTarget_map.insert( std::pair< G4int , G4LENDUsedTarget* > ( lend_manager->GetNucleusEncoding( iZ , iA , iIsomer ) , aTarget ) );
338 } 304 }
339 } 305 }
340 else 306 else
341 { 307 {
342 // Natural Abundances 308 // Natural Abundances
343 G4NistElementBuilder* nistElementBuil 309 G4NistElementBuilder* nistElementBuild = lend_manager->GetNistElementBuilder();
344 G4int iZ = int ( anElement->GetZ() ); 310 G4int iZ = int ( anElement->GetZ() );
345 //G4cout << nistElementBuild->GetNumb 311 //G4cout << nistElementBuild->GetNumberOfNistIsotopes( int ( anElement->GetZ() ) ) << G4endl;
346 G4int numberOfNistIso = nistElementBu 312 G4int numberOfNistIso = nistElementBuild->GetNumberOfNistIsotopes( int ( anElement->GetZ() ) );
347 313
348 for ( G4int ii = 0 ; ii < numberOfNis 314 for ( G4int ii = 0 ; ii < numberOfNistIso ; ii++ )
349 { 315 {
350 //G4cout << nistElementBuild->GetI 316 //G4cout << nistElementBuild->GetIsotopeAbundance( iZ , nistElementBuild->GetNistFirstIsotopeN( iZ ) + i ) << G4endl;
351 if ( nistElementBuild->GetIsotopeA 317 if ( nistElementBuild->GetIsotopeAbundance( iZ , nistElementBuild->GetNistFirstIsotopeN( iZ ) + ii ) > 0 )
352 { 318 {
353 G4int iMass = nistElementBuild- 319 G4int iMass = nistElementBuild->GetNistFirstIsotopeN( iZ ) + ii;
354 //G4cout << iZ << " " << nistEl 320 //G4cout << iZ << " " << nistElementBuild->GetNistFirstIsotopeN( iZ ) + i << " " << nistElementBuild->GetIsotopeAbundance ( iZ , iMass ) << G4endl;
355 G4int iIsomer = 0; 321 G4int iIsomer = 0;
356 322
357 G4LENDUsedTarget* aTarget = new 323 G4LENDUsedTarget* aTarget = new G4LENDUsedTarget ( proj , default_evaluation , iZ , iMass );
358 if ( allow_nat == true ) aTarge 324 if ( allow_nat == true ) aTarget->AllowNat();
359 if ( allow_any == true ) aTarge 325 if ( allow_any == true ) aTarget->AllowAny();
360 usedTarget_map.insert( std::pai 326 usedTarget_map.insert( std::pair< G4int , G4LENDUsedTarget* > ( lend_manager->GetNucleusEncoding( iZ , iMass , iIsomer ) , aTarget ) );
361 327
362 } 328 }
363 329
364 } 330 }
365 } 331 }
366 } 332 }
367 DumpLENDTargetInfo(); << 333
>> 334 G4cout << "Dump UsedTarget for " << GetName() << G4endl;
>> 335 //G4cout << "Requested Evaluation, Z , A -> Actual Evaluation, Z , A(0=Nat) , Pointer of Target" << G4endl;
>> 336 G4cout << "Requested Evaluation, Z , A -> Actual Evaluation, Z , A(0=Nat) " << G4endl;
>> 337 for ( std::map< G4int , G4LENDUsedTarget* >::iterator
>> 338 it = usedTarget_map.begin() ; it != usedTarget_map.end() ; it ++ )
>> 339 {
>> 340 G4cout
>> 341 << " " << it->second->GetWantedEvaluation()
>> 342 << ", " << it->second->GetWantedZ()
>> 343 << ", " << it->second->GetWantedA()
>> 344 << " -> " << it->second->GetActualEvaluation()
>> 345 << ", " << it->second->GetActualZ()
>> 346 << ", " << it->second->GetActualA()
>> 347 //<< ", " << it->second->GetTarget()
>> 348 << G4endl;
>> 349 }
>> 350
368 } 351 }
369 352
370 353 // elow ehigh xs_elow xs_ehigh ke (ke < elow)
371 G4double G4LENDCrossSection::GetUltraLowEnergy 354 G4double G4LENDCrossSection::GetUltraLowEnergyExtrapolatedXS( G4double x1, G4double x2, G4double y1, G4double y2 , G4double ke )
372 { 355 {
373 //XS propotinal to 1/v at low energy -> 1/r 356 //XS propotinal to 1/v at low energy -> 1/root(E)
374 //XS = a * 1/root(E) + b 357 //XS = a * 1/root(E) + b
375 G4double a = ( y2 - y1 ) / ( 1/std::sqrt(x2 358 G4double a = ( y2 - y1 ) / ( 1/std::sqrt(x2) - 1/std::sqrt(x1) );
376 G4double b = y1 - a * 1/std::sqrt(x1); 359 G4double b = y1 - a * 1/std::sqrt(x1);
377 G4double result = a * 1/std::sqrt(ke) + b; 360 G4double result = a * 1/std::sqrt(ke) + b;
378 return result; 361 return result;
379 } 362 }
380 <<
381 G4GIDI_target* G4LENDCrossSection::get_target_ <<
382 G4GIDI_target* target = NULL; <<
383 if ( usedTarget_map.find( nuclear_code ) != <<
384 target = usedTarget_map.find( nuclear_co <<
385 } <<
386 return target; <<
387 } <<
388 <<
389 void G4LENDCrossSection::DumpLENDTargetInfo( G <<
390 <<
391 if ( lend_manager->GetVerboseLevel() >= 1 | <<
392 if ( usedTarget_map.size() == 0 ) create <<
393 G4cout << "Dumping UsedTarget of " << Ge <<
394 G4cout << "Requested Evaluation, Z , A - <<
395 for ( std::map< G4int , G4LENDUsedTarget <<
396 it = usedTarget_map.begin() ; it != u <<
397 G4cout <<
398 << " " << it->second->GetWantedEvalua <<
399 << ", " << it->second->GetWantedZ() <<
400 << ", " << it->second->GetWantedA() <<
401 << " -> " << it->second->GetActualEva <<
402 << ", " << it->second->GetActualZ() <<
403 << ", " << it->second->GetActualA() <<
404 << G4endl; <<
405 } <<
406 } <<
407 } <<
408 <<
409 363