| Geant4 Cross Reference |
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25 // 25 //
26 // Class Description 26 // Class Description
27 // Final state production model for a LEND (Lo 27 // Final state production model for a 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 "G4LENDModel.hh" 40 #include "G4LENDModel.hh"
41 #include "G4PhysicalConstants.hh" 41 #include "G4PhysicalConstants.hh"
42 #include "G4SystemOfUnits.hh" 42 #include "G4SystemOfUnits.hh"
43 #include "G4NistManager.hh" 43 #include "G4NistManager.hh"
44 #include "G4PhysicsModelCatalog.hh" <<
45 <<
46 double MyRNG(void*) { return G4Random::getThe <<
47 44
48 G4LENDModel::G4LENDModel( G4String name ) 45 G4LENDModel::G4LENDModel( G4String name )
49 :G4HadronicInteraction( name ), secID(-1) << 46 :G4HadronicInteraction( name )
50 { 47 {
51 48
52 proj = NULL; //will be set in an inherited 49 proj = NULL; //will be set in an inherited class
53 50
54 SetMinEnergy( 0.*eV ); 51 SetMinEnergy( 0.*eV );
55 SetMaxEnergy( 20.*MeV ); 52 SetMaxEnergy( 20.*MeV );
56 53
57 //default_evaluation = "endl99"; 54 //default_evaluation = "endl99";
58 //default_evaluation = "ENDF.B-VII.0"; << 55 default_evaluation = "ENDF.B-VII.0";
59 default_evaluation = "ENDF/BVII.1"; <<
60 56
61 allow_nat = false; 57 allow_nat = false;
62 allow_any = false; 58 allow_any = false;
63 59
64 lend_manager = G4LENDManager::GetInstance() 60 lend_manager = G4LENDManager::GetInstance();
65 61
66 secID = G4PhysicsModelCatalog::GetModelID( <<
67 } 62 }
68 63
69 G4LENDModel::~G4LENDModel() 64 G4LENDModel::~G4LENDModel()
70 { 65 {
71 for ( std::map< G4int , G4LENDUsedTarget* > 66 for ( std::map< G4int , G4LENDUsedTarget* >::iterator
72 it = usedTarget_map.begin() ; it != u 67 it = usedTarget_map.begin() ; it != usedTarget_map.end() ; it ++ )
73 { 68 {
74 delete it->second; 69 delete it->second;
75 } 70 }
76 } 71 }
77 72
78 73
79 void G4LENDModel::recreate_used_target_map() 74 void G4LENDModel::recreate_used_target_map()
80 { 75 {
81 76
82 for ( std::map< G4int , G4LENDUsedTarget* > 77 for ( std::map< G4int , G4LENDUsedTarget* >::iterator
83 it = usedTarget_map.begin() ; it != u 78 it = usedTarget_map.begin() ; it != usedTarget_map.end() ; it ++ )
84 { 79 {
85 delete it->second; 80 delete it->second;
86 } 81 }
87 usedTarget_map.clear(); 82 usedTarget_map.clear();
88 83
89 create_used_target_map(); 84 create_used_target_map();
90 85
91 } 86 }
92 87
93 88
94 89
95 void G4LENDModel::create_used_target_map() 90 void G4LENDModel::create_used_target_map()
96 { 91 {
97 92
98 lend_manager->RequestChangeOfVerboseLevel( 93 lend_manager->RequestChangeOfVerboseLevel( verboseLevel );
99 94
100 std::size_t numberOfElements = G4Element::G << 95 size_t numberOfElements = G4Element::GetNumberOfElements();
101 static const G4ElementTable* theElementTabl 96 static const G4ElementTable* theElementTable = G4Element::GetElementTable();
102 97
103 for ( std::size_t i = 0 ; i < numberOfEleme << 98 for ( size_t i = 0 ; i < numberOfElements ; ++i )
104 { 99 {
105 100
106 const G4Element* anElement = (*theElemen 101 const G4Element* anElement = (*theElementTable)[i];
107 G4int numberOfIsotope = (G4int)anElement << 102 G4int numberOfIsotope = anElement->GetNumberOfIsotopes();
108 103
109 if ( numberOfIsotope > 0 ) 104 if ( numberOfIsotope > 0 )
110 { 105 {
111 // User Defined Abundances 106 // User Defined Abundances
112 for ( G4int i_iso = 0 ; i_iso < numbe << 107 for ( G4int i_iso = 0 ; i_iso < numberOfIsotope ; i_iso++ )
113 { 108 {
114 G4int iZ = anElement->GetIsotope( 109 G4int iZ = anElement->GetIsotope( i_iso )->GetZ();
115 G4int iA = anElement->GetIsotope( 110 G4int iA = anElement->GetIsotope( i_iso )->GetN();
116 G4int iIsomer = anElement->GetIsot 111 G4int iIsomer = anElement->GetIsotope( i_iso )->Getm();
117 112
118 G4LENDUsedTarget* aTarget = new G4 << 113 G4LENDUsedTarget* aTarget = new G4LENDUsedTarget ( proj , default_evaluation , iZ , iA );
119 if ( allow_nat == true ) aTarget-> 114 if ( allow_nat == true ) aTarget->AllowNat();
120 if ( allow_any == true ) aTarget-> 115 if ( allow_any == true ) aTarget->AllowAny();
121 usedTarget_map.insert( std::pair< 116 usedTarget_map.insert( std::pair< G4int , G4LENDUsedTarget* > ( lend_manager->GetNucleusEncoding( iZ , iA , iIsomer ) , aTarget ) );
122 } 117 }
123 } 118 }
124 else 119 else
125 { 120 {
126 // Natural Abundances 121 // Natural Abundances
127 G4NistElementBuilder* nistElementBuil 122 G4NistElementBuilder* nistElementBuild = lend_manager->GetNistElementBuilder();
128 G4int iZ = int ( anElement->GetZ() ); 123 G4int iZ = int ( anElement->GetZ() );
129 //G4cout << nistElementBuild->GetNumb 124 //G4cout << nistElementBuild->GetNumberOfNistIsotopes( int ( anElement->GetZ() ) ) << G4endl;
130 G4int numberOfNistIso = nistElementBu 125 G4int numberOfNistIso = nistElementBuild->GetNumberOfNistIsotopes( int ( anElement->GetZ() ) );
131 126
132 for ( G4int ii = 0 ; ii < numberOfNis 127 for ( G4int ii = 0 ; ii < numberOfNistIso ; ii++ )
133 { 128 {
134 //G4cout << nistElementBuild->GetI 129 //G4cout << nistElementBuild->GetIsotopeAbundance( iZ , nistElementBuild->GetNistFirstIsotopeN( iZ ) + i ) << G4endl;
135 if ( nistElementBuild->GetIsotopeA 130 if ( nistElementBuild->GetIsotopeAbundance( iZ , nistElementBuild->GetNistFirstIsotopeN( iZ ) + ii ) > 0 )
136 { 131 {
137 G4int iMass = nistElementBuild- 132 G4int iMass = nistElementBuild->GetNistFirstIsotopeN( iZ ) + ii;
138 //G4cout << iZ << " " << nistEl 133 //G4cout << iZ << " " << nistElementBuild->GetNistFirstIsotopeN( iZ ) + i << " " << nistElementBuild->GetIsotopeAbundance ( iZ , iMass ) << G4endl;
139 G4int iIsomer = 0; 134 G4int iIsomer = 0;
140 135
141 G4LENDUsedTarget* aTarget = new 136 G4LENDUsedTarget* aTarget = new G4LENDUsedTarget ( proj , default_evaluation , iZ , iMass );
142 if ( allow_nat == true ) aTarge 137 if ( allow_nat == true ) aTarget->AllowNat();
143 if ( allow_any == true ) aTarge 138 if ( allow_any == true ) aTarget->AllowAny();
144 usedTarget_map.insert( std::pai 139 usedTarget_map.insert( std::pair< G4int , G4LENDUsedTarget* > ( lend_manager->GetNucleusEncoding( iZ , iMass , iIsomer ) , aTarget ) );
145 140
146 } 141 }
147 142
148 } 143 }
149 144
150 } 145 }
151 } 146 }
152 147
153 DumpLENDTargetInfo(); << 148
>> 149
>> 150 G4cout << "Dump UsedTarget for " << GetModelName() << G4endl;
>> 151 G4cout << "Requested Evaluation, Z , A -> Actual Evaluation, Z , A(0=Nat) , Pointer of Target" << G4endl;
>> 152 for ( std::map< G4int , G4LENDUsedTarget* >::iterator
>> 153 it = usedTarget_map.begin() ; it != usedTarget_map.end() ; it ++ )
>> 154 {
>> 155 G4cout
>> 156 << " " << it->second->GetWantedEvaluation()
>> 157 << ", " << it->second->GetWantedZ()
>> 158 << ", " << it->second->GetWantedA()
>> 159 << " -> " << it->second->GetActualEvaluation()
>> 160 << ", " << it->second->GetActualZ()
>> 161 << ", " << it->second->GetActualA()
>> 162 << ", " << it->second->GetTarget()
>> 163 << G4endl;
>> 164 }
>> 165
154 } 166 }
155 167
156 168
157 169
158 #include "G4IonTable.hh" 170 #include "G4IonTable.hh"
159 171
160 G4HadFinalState * G4LENDModel::ApplyYourself(c 172 G4HadFinalState * G4LENDModel::ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& aTarg )
161 { 173 {
162 174
163 G4double temp = aTrack.GetMaterial()->GetTe 175 G4double temp = aTrack.GetMaterial()->GetTemperature();
164 176
165 //G4int iZ = int ( aTarg.GetZ() ); 177 //G4int iZ = int ( aTarg.GetZ() );
166 //G4int iA = int ( aTarg.GetN() ); 178 //G4int iA = int ( aTarg.GetN() );
167 //migrate to integer A and Z (GetN_asInt re 179 //migrate to integer A and Z (GetN_asInt returns number of neutrons in the nucleus since this)
168 G4int iZ = aTarg.GetZ_asInt(); 180 G4int iZ = aTarg.GetZ_asInt();
169 G4int iA = aTarg.GetA_asInt(); 181 G4int iA = aTarg.GetA_asInt();
170 G4int iM = 0; 182 G4int iM = 0;
171 if ( aTarg.GetIsotope() != NULL ) { 183 if ( aTarg.GetIsotope() != NULL ) {
172 iM = aTarg.GetIsotope()->Getm(); 184 iM = aTarg.GetIsotope()->Getm();
173 } 185 }
174 186
175 G4double ke = aTrack.GetKineticEnergy(); 187 G4double ke = aTrack.GetKineticEnergy();
176 188
177 G4HadFinalState* theResult = new G4HadFinal 189 G4HadFinalState* theResult = new G4HadFinalState();
178 190
179 G4GIDI_target* aTarget = usedTarget_map.fin 191 G4GIDI_target* aTarget = usedTarget_map.find( lend_manager->GetNucleusEncoding( iZ , iA , iM ) )->second->GetTarget();
180 192
181 G4double aMu = aTarget->getElasticFinalStat 193 G4double aMu = aTarget->getElasticFinalState( ke*MeV, temp, NULL, NULL );
182 194
183 G4double phi = twopi*G4UniformRand(); 195 G4double phi = twopi*G4UniformRand();
184 G4double theta = std::acos( aMu ); 196 G4double theta = std::acos( aMu );
185 //G4double sinth = std::sin( theta ); 197 //G4double sinth = std::sin( theta );
186 198
187 G4ReactionProduct theNeutron( aTrack.GetDef << 199 G4ReactionProduct theNeutron( const_cast<G4ParticleDefinition *>( aTrack.GetDefinition() ) );
188 theNeutron.SetMomentum( aTrack.Get4Momentum 200 theNeutron.SetMomentum( aTrack.Get4Momentum().vect() );
189 theNeutron.SetKineticEnergy( ke ); 201 theNeutron.SetKineticEnergy( ke );
190 202
191 G4ParticleDefinition* pd = G4IonTable::GetI << 203 G4ReactionProduct theTarget( G4IonTable::GetIonTable()->FindIon( iZ , iA , iM ) );
192 G4ReactionProduct theTarget( pd ); <<
193 204
194 G4double mass = pd->GetPDGMass(); << 205 G4double mass = G4IonTable::GetIonTable()->FindIon( iZ , iA , iM )->GetPDGMass();
195 206
196 // add Thermal motion 207 // add Thermal motion
197 G4double kT = k_Boltzmann*temp; 208 G4double kT = k_Boltzmann*temp;
198 G4ThreeVector v ( G4RandGauss::shoot() * st 209 G4ThreeVector v ( G4RandGauss::shoot() * std::sqrt( kT*mass )
199 , G4RandGauss::shoot() * st 210 , G4RandGauss::shoot() * std::sqrt( kT*mass )
200 , G4RandGauss::shoot() * st 211 , G4RandGauss::shoot() * std::sqrt( kT*mass ) );
201 212
202 theTarget.SetMomentum( v ); 213 theTarget.SetMomentum( v );
203 214
204 215
205 G4ThreeVector the3Neutron = theNeutron.Ge 216 G4ThreeVector the3Neutron = theNeutron.GetMomentum();
206 G4double nEnergy = theNeutron.GetTotalEne 217 G4double nEnergy = theNeutron.GetTotalEnergy();
207 G4ThreeVector the3Target = theTarget.GetM 218 G4ThreeVector the3Target = theTarget.GetMomentum();
208 G4double tEnergy = theTarget.GetTotalEner 219 G4double tEnergy = theTarget.GetTotalEnergy();
209 G4ReactionProduct theCMS; 220 G4ReactionProduct theCMS;
210 G4double totE = nEnergy+tEnergy; 221 G4double totE = nEnergy+tEnergy;
211 G4ThreeVector the3CMS = the3Target+the3Ne 222 G4ThreeVector the3CMS = the3Target+the3Neutron;
212 theCMS.SetMomentum(the3CMS); 223 theCMS.SetMomentum(the3CMS);
213 G4double cmsMom = std::sqrt(the3CMS*the3C 224 G4double cmsMom = std::sqrt(the3CMS*the3CMS);
214 G4double sqrts = std::sqrt((totE-cmsMom)* 225 G4double sqrts = std::sqrt((totE-cmsMom)*(totE+cmsMom));
215 theCMS.SetMass(sqrts); 226 theCMS.SetMass(sqrts);
216 theCMS.SetTotalEnergy(totE); 227 theCMS.SetTotalEnergy(totE);
217 228
218 theNeutron.Lorentz(theNeutron, theCMS); 229 theNeutron.Lorentz(theNeutron, theCMS);
219 theTarget.Lorentz(theTarget, theCMS); 230 theTarget.Lorentz(theTarget, theCMS);
220 G4double en = theNeutron.GetTotalMoment 231 G4double en = theNeutron.GetTotalMomentum(); // already in CMS.
221 G4ThreeVector cms3Mom=theNeutron.GetMom 232 G4ThreeVector cms3Mom=theNeutron.GetMomentum(); // for neutron direction in CMS
222 G4double cms_theta=cms3Mom.theta(); 233 G4double cms_theta=cms3Mom.theta();
223 G4double cms_phi=cms3Mom.phi(); 234 G4double cms_phi=cms3Mom.phi();
224 G4ThreeVector tempVector; 235 G4ThreeVector tempVector;
225 tempVector.setX(std::cos(theta)*std::si 236 tempVector.setX(std::cos(theta)*std::sin(cms_theta)*std::cos(cms_phi)
226 +std::sin(theta)*std::c 237 +std::sin(theta)*std::cos(phi)*std::cos(cms_theta)*std::cos(cms_phi)
227 -std::sin(theta)*std::s 238 -std::sin(theta)*std::sin(phi)*std::sin(cms_phi) );
228 tempVector.setY(std::cos(theta)*std::si 239 tempVector.setY(std::cos(theta)*std::sin(cms_theta)*std::sin(cms_phi)
229 +std::sin(theta)*std::c 240 +std::sin(theta)*std::cos(phi)*std::cos(cms_theta)*std::sin(cms_phi)
230 +std::sin(theta)*std::s 241 +std::sin(theta)*std::sin(phi)*std::cos(cms_phi) );
231 tempVector.setZ(std::cos(theta)*std::co 242 tempVector.setZ(std::cos(theta)*std::cos(cms_theta)
232 -std::sin(theta)*std::c 243 -std::sin(theta)*std::cos(phi)*std::sin(cms_theta) );
233 tempVector *= en; 244 tempVector *= en;
234 theNeutron.SetMomentum(tempVector); 245 theNeutron.SetMomentum(tempVector);
235 theTarget.SetMomentum(-tempVector); 246 theTarget.SetMomentum(-tempVector);
236 G4double tP = theTarget.GetTotalMomentu 247 G4double tP = theTarget.GetTotalMomentum();
237 G4double tM = theTarget.GetMass(); 248 G4double tM = theTarget.GetMass();
238 theTarget.SetTotalEnergy(std::sqrt((tP+ 249 theTarget.SetTotalEnergy(std::sqrt((tP+tM)*(tP+tM)-2.*tP*tM));
239 theNeutron.Lorentz(theNeutron, -1.*theC 250 theNeutron.Lorentz(theNeutron, -1.*theCMS);
240 theTarget.Lorentz(theTarget, -1.*theCMS 251 theTarget.Lorentz(theTarget, -1.*theCMS);
241 252
242 theResult->SetEnergyChange(theNeutron.Get 253 theResult->SetEnergyChange(theNeutron.GetKineticEnergy());
243 theResult->SetMomentumChange(theNeutron.G 254 theResult->SetMomentumChange(theNeutron.GetMomentum().unit());
244 G4DynamicParticle* theRecoil = new G4Dyna 255 G4DynamicParticle* theRecoil = new G4DynamicParticle;
245 256
246 theRecoil->SetDefinition( G4IonTable::Get << 257 theRecoil->SetDefinition( G4IonTable::GetIonTable()->FindIon( iZ , iA , iM , iZ ) );
247 theRecoil->SetMomentum( theTarget.GetMome 258 theRecoil->SetMomentum( theTarget.GetMomentum() );
248 259
249 theResult->AddSecondary( theRecoil ); 260 theResult->AddSecondary( theRecoil );
250 261
251 return theResult; 262 return theResult;
252 263
253 } <<
254 <<
255 G4HadFinalState* G4LENDModel::returnUnchanged( <<
256 if ( lend_manager->GetVerboseLevel() >= 1 ) <<
257 G4String message; <<
258 message = "Produce unchanged final state <<
259 message += this->GetModelName(); <<
260 message += ". Cross section and model li <<
261 G4Exception( "G4LENDModel::returnUnchang <<
262 message ); <<
263 } <<
264 theResult->SetEnergyChange( aTrack.GetKinet <<
265 theResult->SetMomentumChange( aTrack.Get4Mo <<
266 return theResult; <<
267 } <<
268 <<
269 G4GIDI_target* G4LENDModel::get_target_from_ma <<
270 G4GIDI_target* target = NULL; <<
271 if ( usedTarget_map.find( nuclear_code ) != <<
272 target = usedTarget_map.find( nuclear_co <<
273 } <<
274 return target; <<
275 } <<
276 <<
277 void G4LENDModel::DumpLENDTargetInfo( G4bool f <<
278 <<
279 if ( lend_manager->GetVerboseLevel() >= 1 | <<
280 if ( usedTarget_map.size() == 0 ) create <<
281 G4cout << "Dumping UsedTarget of " << Ge <<
282 G4cout << "Requested Evaluation, Z , A - <<
283 for ( std::map< G4int , G4LENDUsedTarget <<
284 it = usedTarget_map.begin() ; it != u <<
285 G4cout <<
286 << " " << it->second->GetWantedEvalua <<
287 << ", " << it->second->GetWantedZ() <<
288 << ", " << it->second->GetWantedA() <<
289 << " -> " << it->second->GetActualEva <<
290 << ", " << it->second->GetActualZ() <<
291 << ", " << it->second->GetActualA() <<
292 << G4endl; <<
293 } <<
294 } <<
295 } 264 }
296 265