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26 // neutron_hp -- source file 26 // neutron_hp -- source file
27 // J.P. Wellisch, Nov-1996 27 // J.P. Wellisch, Nov-1996
28 // A prototype of the low energy neutron trans 28 // A prototype of the low energy neutron transport model.
29 // 29 //
30 // 12-Apr-06 fix in delayed neutron and photon 30 // 12-Apr-06 fix in delayed neutron and photon emission without FS data by T. Koi
31 // 07-Sep-11 M. Kelsey -- Follow change to G4H 31 // 07-Sep-11 M. Kelsey -- Follow change to G4HadFinalState interface
32 // P. Arce, June-2014 Conversion neutron_hp to 32 // P. Arce, June-2014 Conversion neutron_hp to particle_hp
33 // 33 //
34 34
35 #include "G4ParticleHPFissionFS.hh" <<
36 <<
37 #include "G4DynamicParticleVector.hh" <<
38 #include "G4Exp.hh" 35 #include "G4Exp.hh"
39 #include "G4IonTable.hh" << 36 #include "G4ParticleHPFissionFS.hh"
>> 37 #include "G4PhysicalConstants.hh"
40 #include "G4Nucleus.hh" 38 #include "G4Nucleus.hh"
>> 39 #include "G4DynamicParticleVector.hh"
41 #include "G4ParticleHPFissionERelease.hh" 40 #include "G4ParticleHPFissionERelease.hh"
42 #include "G4PhysicalConstants.hh" << 41 #include "G4IonTable.hh"
43 #include "G4PhysicsModelCatalog.hh" <<
44 <<
45 G4ParticleHPFissionFS::G4ParticleHPFissionFS() <<
46 { <<
47 secID = G4PhysicsModelCatalog::GetModelID("m <<
48 hasXsec = false; <<
49 produceFissionFragments = false; <<
50 } <<
51 <<
52 void G4ParticleHPFissionFS::Init(G4double A, G <<
53 const G4Strin <<
54 { <<
55 theFS.Init(A, Z, M, dirName, aFSType, projec <<
56 theFC.Init(A, Z, M, dirName, aFSType, projec <<
57 theSC.Init(A, Z, M, dirName, aFSType, projec <<
58 theTC.Init(A, Z, M, dirName, aFSType, projec <<
59 theLC.Init(A, Z, M, dirName, aFSType, projec <<
60 <<
61 theFF.Init(A, Z, M, dirName, aFSType, projec <<
62 if (G4ParticleHPManager::GetInstance()->GetP <<
63 G4cout << "Fission fragment production is <<
64 << "Z = " << (G4int)Z << ", A = " < <<
65 G4cout << "As currently modeled this optio <<
66 "fission fragments." <<
67 << G4endl; <<
68 produceFissionFragments = true; <<
69 } <<
70 } <<
71 <<
72 G4HadFinalState* G4ParticleHPFissionFS::ApplyY <<
73 { <<
74 // Because it may change by UI command <<
75 produceFissionFragments = G4ParticleHPManage <<
76 <<
77 // prepare neutron <<
78 if (theResult.Get() == nullptr) theResult.Pu <<
79 theResult.Get()->Clear(); <<
80 G4double eKinetic = theTrack.GetKineticEnerg <<
81 const G4HadProjectile* incidentParticle = &t <<
82 G4ReactionProduct theNeutron( <<
83 const_cast<G4ParticleDefinition*>(incident <<
84 theNeutron.SetMomentum(incidentParticle->Get <<
85 theNeutron.SetKineticEnergy(eKinetic); <<
86 <<
87 // prepare target <<
88 G4Nucleus aNucleus; <<
89 G4ReactionProduct theTarget; <<
90 G4double targetMass = theFS.GetMass(); <<
91 G4ThreeVector neuVelo = <<
92 (1. / incidentParticle->GetDefinition()->G <<
93 theTarget = <<
94 aNucleus.GetBiasedThermalNucleus(targetMas <<
95 theTarget.SetDefinition( <<
96 G4IonTable::GetIonTable()->GetIon(G4int(th <<
97 42
98 // set neutron and target in the FS classes << 43 void G4ParticleHPFissionFS::Init (G4double A, G4double Z, G4int M, G4String & dirName, G4String & aFSType, G4ParticleDefinition* projectile )
>> 44 {
>> 45 //G4cout << "G4ParticleHPFissionFS::Init " << A << " " << Z << " " << M << G4endl;
>> 46 theFS.Init(A, Z, M, dirName, aFSType, projectile);
>> 47 theFC.Init(A, Z, M, dirName, aFSType, projectile);
>> 48 theSC.Init(A, Z, M, dirName, aFSType, projectile);
>> 49 theTC.Init(A, Z, M, dirName, aFSType, projectile);
>> 50 theLC.Init(A, Z, M, dirName, aFSType, projectile);
>> 51
>> 52 theFF.Init(A, Z, M, dirName, aFSType, projectile);
>> 53 if ( G4ParticleHPManager::GetInstance()->GetProduceFissionFragments() && theFF.HasFSData() )
>> 54 {
>> 55 G4cout << "Fission fragment production is now activated in HP package for "
>> 56 << "Z = " << (G4int)Z
>> 57 << ", A = " << (G4int)A
>> 58 //<< "M = " << M
>> 59 << G4endl;
>> 60 G4cout << "As currently modeled this option precludes production of delayed neutrons from fission fragments." << G4endl;
>> 61 produceFissionFragments = true;
>> 62 }
>> 63 }
>> 64 G4HadFinalState * G4ParticleHPFissionFS::ApplyYourself(const G4HadProjectile & theTrack)
>> 65 {
>> 66
>> 67 //Because it may change by UI command
>> 68 produceFissionFragments=G4ParticleHPManager::GetInstance()->GetProduceFissionFragments();
>> 69
>> 70 //G4cout << "G4ParticleHPFissionFS::ApplyYourself " << G4endl;
>> 71 // prepare neutron
>> 72
>> 73 if ( theResult.Get() == NULL ) theResult.Put( new G4HadFinalState );
>> 74 theResult.Get()->Clear();
>> 75 G4double eKinetic = theTrack.GetKineticEnergy();
>> 76 const G4HadProjectile *incidentParticle = &theTrack;
>> 77 G4ReactionProduct theNeutron( const_cast<G4ParticleDefinition *>(incidentParticle->GetDefinition()) );
>> 78 theNeutron.SetMomentum( incidentParticle->Get4Momentum().vect() );
>> 79 theNeutron.SetKineticEnergy( eKinetic );
>> 80
>> 81 // prepare target
>> 82 G4Nucleus aNucleus;
>> 83 G4ReactionProduct theTarget;
>> 84 G4double targetMass = theFS.GetMass();
>> 85 G4ThreeVector neuVelo = (1./incidentParticle->GetDefinition()->GetPDGMass())*theNeutron.GetMomentum();
>> 86 theTarget = aNucleus.GetBiasedThermalNucleus( targetMass, neuVelo, theTrack.GetMaterial()->GetTemperature());
>> 87 theTarget.SetDefinition( G4IonTable::GetIonTable()->GetIon( G4int(theBaseZ), G4int(theBaseA) , 0.0 ) ); //TESTPHP
>> 88 // set neutron and target in the FS classes
99 theFS.SetNeutronRP(theNeutron); 89 theFS.SetNeutronRP(theNeutron);
100 theFS.SetTarget(theTarget); 90 theFS.SetTarget(theTarget);
101 theFC.SetNeutronRP(theNeutron); 91 theFC.SetNeutronRP(theNeutron);
102 theFC.SetTarget(theTarget); 92 theFC.SetTarget(theTarget);
103 theSC.SetNeutronRP(theNeutron); 93 theSC.SetNeutronRP(theNeutron);
104 theSC.SetTarget(theTarget); 94 theSC.SetTarget(theTarget);
105 theTC.SetNeutronRP(theNeutron); 95 theTC.SetNeutronRP(theNeutron);
106 theTC.SetTarget(theTarget); 96 theTC.SetTarget(theTarget);
107 theLC.SetNeutronRP(theNeutron); 97 theLC.SetNeutronRP(theNeutron);
108 theLC.SetTarget(theTarget); 98 theLC.SetTarget(theTarget);
109 theFF.SetNeutronRP(theNeutron); <<
110 theFF.SetTarget(theTarget); <<
111 <<
112 // boost to target rest system and decide on <<
113 theNeutron.Lorentz(theNeutron, -1 * theTarge <<
114 99
115 // dice the photons <<
116 100
117 G4DynamicParticleVector* thePhotons; << 101 theFF.SetNeutronRP(theNeutron);
118 thePhotons = theFS.GetPhotons(); << 102 theFF.SetTarget(theTarget);
119 <<
120 // select the FS in charge <<
121 <<
122 eKinetic = theNeutron.GetKineticEnergy(); <<
123 G4double xSec[4]; <<
124 xSec[0] = theFC.GetXsec(eKinetic); <<
125 xSec[1] = xSec[0] + theSC.GetXsec(eKinetic); <<
126 xSec[2] = xSec[1] + theTC.GetXsec(eKinetic); <<
127 xSec[3] = xSec[2] + theLC.GetXsec(eKinetic); <<
128 G4int it; <<
129 unsigned int i = 0; <<
130 G4double random = G4UniformRand(); <<
131 if (xSec[3] == 0) { <<
132 it = -1; <<
133 } <<
134 else { <<
135 for (i = 0; i < 4; i++) { <<
136 it = i; <<
137 if (random < xSec[i] / xSec[3]) break; <<
138 } <<
139 } <<
140 <<
141 // dice neutron multiplicities, energies and <<
142 // no energy conservation on an event-to-eve <<
143 // also for mean, we rely on the consistancy <<
144 <<
145 G4int Prompt = 0, delayed = 0, all = 0; <<
146 G4DynamicParticleVector* theNeutrons = nullp <<
147 switch (it) // check logic, and ask, if par <<
148 // particles @@@ <<
149 { <<
150 case 0: <<
151 theFS.SampleNeutronMult(all, Prompt, del <<
152 if (Prompt == 0 && delayed == 0) Prompt <<
153 theNeutrons = theFC.ApplyYourself(Prompt <<
154 // take 'U' into account explicitly (see <<
155 break; <<
156 case 1: <<
157 theFS.SampleNeutronMult(all, Prompt, del <<
158 if (Prompt == 0 && delayed == 0) Prompt <<
159 theNeutrons = theSC.ApplyYourself(Prompt <<
160 break; <<
161 case 2: <<
162 theFS.SampleNeutronMult(all, Prompt, del <<
163 if (Prompt == 0 && delayed == 0) Prompt <<
164 theNeutrons = theTC.ApplyYourself(Prompt <<
165 break; <<
166 case 3: <<
167 theFS.SampleNeutronMult(all, Prompt, del <<
168 if (Prompt == 0 && delayed == 0) Prompt <<
169 theNeutrons = theLC.ApplyYourself(Prompt <<
170 break; <<
171 default: <<
172 break; <<
173 } <<
174 <<
175 // dice delayed neutrons and photons, and fa <<
176 // for Prompt in case channel had no FS data <<
177 <<
178 if (produceFissionFragments) delayed = 0; <<
179 <<
180 G4double* theDecayConstants; <<
181 <<
182 if (theNeutrons != nullptr) { <<
183 theDecayConstants = new G4double[delayed]; <<
184 for (i = 0; i < theNeutrons->size(); ++i) <<
185 theResult.Get()->AddSecondary(theNeutron <<
186 } <<
187 delete theNeutrons; <<
188 <<
189 G4DynamicParticleVector* theDelayed = null <<
190 theDelayed = theFS.ApplyYourself(0, delaye <<
191 for (i = 0; i < theDelayed->size(); i++) { <<
192 G4double time = -G4Log(G4UniformRand()) <<
193 time += theTrack.GetGlobalTime(); <<
194 theResult.Get()->AddSecondary(theDelayed <<
195 theResult.Get()->GetSecondary(theResult. <<
196 } <<
197 delete theDelayed; <<
198 } <<
199 else { <<
200 theFS.SampleNeutronMult(all, Prompt, delay <<
201 theDecayConstants = new G4double[delayed]; <<
202 if (Prompt == 0 && delayed == 0) Prompt = <<
203 theNeutrons = theFS.ApplyYourself(Prompt, <<
204 G4int i0; <<
205 for (i0 = 0; i0 < Prompt; ++i0) { <<
206 theResult.Get()->AddSecondary(theNeutron <<
207 } <<
208 <<
209 for (i0 = Prompt; i0 < Prompt + delayed; + <<
210 // Protect against the very rare case of <<
211 G4double time = 0.0; <<
212 if (theDecayConstants[i0 - Prompt] > 1.0 <<
213 time = -G4Log(G4UniformRand()) / theDe <<
214 } <<
215 else { <<
216 G4ExceptionDescription ed; <<
217 ed << " theDecayConstants[i0-Prompt]=" <<
218 << " -> cannot sample the time : <<
219 G4Exception("G4ParticleHPFissionFS::Ap <<
220 } <<
221 <<
222 time += theTrack.GetGlobalTime(); <<
223 theResult.Get()->AddSecondary(theNeutron <<
224 theResult.Get()->GetSecondary(theResult. <<
225 } <<
226 delete theNeutrons; <<
227 } <<
228 delete[] theDecayConstants; <<
229 <<
230 std::size_t nPhotons = 0; <<
231 if (thePhotons != nullptr) { <<
232 nPhotons = thePhotons->size(); <<
233 for (i = 0; i < nPhotons; ++i) { <<
234 theResult.Get()->AddSecondary(thePhotons <<
235 } <<
236 delete thePhotons; <<
237 } <<
238 <<
239 // finally deal with local energy deposition <<
240 103
241 G4ParticleHPFissionERelease* theERelease = t << 104 //TKWORK 120531
242 G4double eDepByFragments = theERelease->GetF << 105 //G4cout << theTarget.GetDefinition() << G4endl; this should be NULL
243 // theResult.SetLocalEnergyDeposit(eDepByFra << 106 //G4cout << "Z = " << theBaseZ << ", A = " << theBaseA << ", M = " << theBaseM << G4endl;
244 if (!produceFissionFragments) theResult.Get( << 107 // theNDLDataZ,A,M should be filled in each FS (theFS, theFC, theSC, theTC, theLC and theFF)
245 // clean up the primary neutron << 108 ////G4cout << "Z = " << theNDLDataZ << ", A = " << theNDLDataA << ", M = " << theNDLDataM << G4endl;
246 theResult.Get()->SetStatusChange(stopAndKill << 109
247 << 110 // boost to target rest system and decide on channel.
248 if (produceFissionFragments) { << 111 theNeutron.Lorentz(theNeutron, -1*theTarget);
249 G4int fragA_Z = 0; << 112
250 G4int fragA_A = 0; << 113 // dice the photons
251 G4int fragA_M = 0; << 114
252 // System is traget rest! << 115 G4DynamicParticleVector * thePhotons;
253 theFF.GetAFissionFragment(eKinetic, fragA_ << 116 thePhotons = theFS.GetPhotons();
254 if (0 == fragA_A) { return theResult.Get() << 117
255 G4int fragB_Z = (G4int)theBaseZ - fragA_Z; << 118 // select the FS in charge
256 G4int fragB_A = (G4int)theBaseA - fragA_A << 119
257 << 120 eKinetic = theNeutron.GetKineticEnergy();
258 G4IonTable* pt = G4IonTable::GetIonTable() << 121 G4double xSec[4];
259 // Excitation energy is not taken into acc << 122 xSec[0] = theFC.GetXsec(eKinetic);
260 G4ParticleDefinition* pdA = pt->GetIon(fra << 123 xSec[1] = xSec[0]+theSC.GetXsec(eKinetic);
261 G4ParticleDefinition* pdB = pt->GetIon(fra << 124 xSec[2] = xSec[1]+theTC.GetXsec(eKinetic);
262 << 125 xSec[3] = xSec[2]+theLC.GetXsec(eKinetic);
263 // Isotropic Distribution << 126 G4int it;
264 G4double phi = twopi * G4UniformRand(); << 127 unsigned int i=0;
265 // Bug #1745 DHW G4double theta = pi*G4Uni << 128 G4double random = G4UniformRand();
266 G4double costheta = 2. * G4UniformRand() - << 129 if(xSec[3]==0)
267 G4double theta = std::acos(costheta); << 130 {
268 G4double sinth = std::sin(theta); << 131 it=-1;
269 G4ThreeVector direction(sinth * std::cos(p << 132 }
270 << 133 else
271 // Just use ENDF value for this << 134 {
272 G4double ER = eDepByFragments; << 135 for(i=0; i<4; i++)
273 G4double ma = pdA->GetPDGMass(); << 136 {
274 G4double mb = pdB->GetPDGMass(); << 137 it =i;
275 G4double EA = ER / (1 + ma / mb); << 138 if(random<xSec[i]/xSec[3]) break;
276 G4double EB = ER - EA; << 139 }
277 auto dpA = new G4DynamicParticle(pdA, dire << 140 }
278 auto dpB = new G4DynamicParticle(pdB, -dir << 141
279 theResult.Get()->AddSecondary(dpA, secID); << 142 // dice neutron multiplicities, energies and momenta in Lab. @@
280 theResult.Get()->AddSecondary(dpB, secID); << 143 // no energy conservation on an event-to-event basis. we rely on the data to be ok. @@
281 } << 144 // also for mean, we rely on the consistancy of the data. @@
>> 145
>> 146 G4int Prompt=0, delayed=0, all=0;
>> 147 G4DynamicParticleVector * theNeutrons = 0;
>> 148 switch(it) // check logic, and ask, if partials can be assumed to correspond to individual particles @@@
>> 149 {
>> 150 case 0:
>> 151 theFS.SampleNeutronMult(all, Prompt, delayed, eKinetic, 0);
>> 152 if(Prompt==0&&delayed==0) Prompt=all;
>> 153 theNeutrons = theFC.ApplyYourself(Prompt); // delayed always in FS
>> 154 // take 'U' into account explicitely (see 5.4) in the sampling of energy @@@@
>> 155 break;
>> 156 case 1:
>> 157 theFS.SampleNeutronMult(all, Prompt, delayed, eKinetic, 1);
>> 158 if(Prompt==0&&delayed==0) Prompt=all;
>> 159 theNeutrons = theSC.ApplyYourself(Prompt); // delayed always in FS, off done in FSFissionFS
>> 160 break;
>> 161 case 2:
>> 162 theFS.SampleNeutronMult(all, Prompt, delayed, eKinetic, 2);
>> 163 if(Prompt==0&&delayed==0) Prompt=all;
>> 164 theNeutrons = theTC.ApplyYourself(Prompt); // delayed always in FS
>> 165 break;
>> 166 case 3:
>> 167 theFS.SampleNeutronMult(all, Prompt, delayed, eKinetic, 3);
>> 168 if(Prompt==0&&delayed==0) Prompt=all;
>> 169 theNeutrons = theLC.ApplyYourself(Prompt); // delayed always in FS
>> 170 break;
>> 171 default:
>> 172 break;
>> 173 }
>> 174
>> 175 // dice delayed neutrons and photons, and fallback
>> 176 // for Prompt in case channel had no FS data; add all paricles to FS.
>> 177
>> 178 //TKWORK120531
>> 179 if ( produceFissionFragments ) delayed=0;
>> 180
>> 181 G4double * theDecayConstants;
>> 182
>> 183 if( theNeutrons != 0)
>> 184 {
>> 185 theDecayConstants = new G4double[delayed];
>> 186 //
>> 187 //110527TKDB Unused codes, Detected by gcc4.6 compiler
>> 188 //G4int nPhotons = 0;
>> 189 //if(thePhotons!=0) nPhotons = thePhotons->size();
>> 190 for(i=0; i<theNeutrons->size(); i++)
>> 191 {
>> 192 theResult.Get()->AddSecondary(theNeutrons->operator[](i));
>> 193 }
>> 194 delete theNeutrons;
>> 195
>> 196 G4DynamicParticleVector * theDelayed = 0;
>> 197 // G4cout << "delayed" << G4endl;
>> 198 theDelayed = theFS.ApplyYourself(0, delayed, theDecayConstants);
>> 199 for(i=0; i<theDelayed->size(); i++)
>> 200 {
>> 201 G4double time = -G4Log(G4UniformRand())/theDecayConstants[i];
>> 202 time += theTrack.GetGlobalTime();
>> 203 theResult.Get()->AddSecondary(theDelayed->operator[](i));
>> 204 theResult.Get()->GetSecondary(theResult.Get()->GetNumberOfSecondaries()-1)->SetTime(time);
>> 205 }
>> 206 delete theDelayed;
>> 207 }
>> 208 else
>> 209 {
>> 210 // cout << " all = "<<all<<G4endl;
>> 211 theFS.SampleNeutronMult(all, Prompt, delayed, eKinetic, 0);
>> 212 theDecayConstants = new G4double[delayed];
>> 213 if(Prompt==0&&delayed==0) Prompt=all;
>> 214 theNeutrons = theFS.ApplyYourself(Prompt, delayed, theDecayConstants);
>> 215 //110527TKDB Unused codes, Detected by gcc4.6 compiler
>> 216 //G4int nPhotons = 0;
>> 217 //if(thePhotons!=0) nPhotons = thePhotons->size();
>> 218 G4int i0;
>> 219 for(i0=0; i0<Prompt; i0++)
>> 220 {
>> 221 theResult.Get()->AddSecondary(theNeutrons->operator[](i0));
>> 222 }
>> 223
>> 224 //G4cout << "delayed" << G4endl;
>> 225 for(i0=Prompt; i0<Prompt+delayed; i0++)
>> 226 {
>> 227 // Protect against the very rare case of division by zero
>> 228 G4double time = 0.0;
>> 229 if ( theDecayConstants[i0-Prompt] > 1.0e-30 ) {
>> 230 time = -G4Log(G4UniformRand())/theDecayConstants[i0-Prompt];
>> 231 } else {
>> 232 G4ExceptionDescription ed;
>> 233 ed << " theDecayConstants[i0-Prompt]=" << theDecayConstants[i0-Prompt]
>> 234 << " -> cannot sample the time : set it to 0.0 !" << G4endl;
>> 235 G4Exception( "G4ParticleHPFissionFS::ApplyYourself ", "HAD_FISSIONHP_001", JustWarning, ed );
>> 236 }
>> 237
>> 238 time += theTrack.GetGlobalTime();
>> 239 theResult.Get()->AddSecondary(theNeutrons->operator[](i0));
>> 240 theResult.Get()->GetSecondary(theResult.Get()->GetNumberOfSecondaries()-1)->SetTime(time);
>> 241 }
>> 242 delete theNeutrons;
>> 243 }
>> 244 delete [] theDecayConstants;
>> 245 // cout << "all delayed "<<delayed<<G4endl;
>> 246 unsigned int nPhotons = 0;
>> 247 if(thePhotons!=0)
>> 248 {
>> 249 nPhotons = thePhotons->size();
>> 250 for(i=0; i<nPhotons; i++)
>> 251 {
>> 252 theResult.Get()->AddSecondary(thePhotons->operator[](i));
>> 253 }
>> 254 delete thePhotons;
>> 255 }
>> 256
>> 257 // finally deal with local energy depositions.
>> 258 // G4cout <<"Number of secondaries = "<<theResult.GetNumberOfSecondaries()<< G4endl;
>> 259 // G4cout <<"Number of photons = "<<nPhotons<<G4endl;
>> 260 // G4cout <<"Number of Prompt = "<<Prompt<<G4endl;
>> 261 // G4cout <<"Number of delayed = "<<delayed<<G4endl;
>> 262
>> 263 G4ParticleHPFissionERelease * theERelease = theFS.GetEnergyRelease();
>> 264 G4double eDepByFragments = theERelease->GetFragmentKinetic();
>> 265 //theResult.SetLocalEnergyDeposit(eDepByFragments);
>> 266 if ( !produceFissionFragments ) theResult.Get()->SetLocalEnergyDeposit(eDepByFragments);
>> 267 // cout << "local energy deposit" << eDepByFragments<<G4endl;
>> 268 // clean up the primary neutron
>> 269 theResult.Get()->SetStatusChange(stopAndKill);
>> 270 //G4cout << "Prompt = " << Prompt << ", Delayed = " << delayed << ", All= " << all << G4endl;
>> 271 //G4cout << "local energy deposit " << eDepByFragments/MeV << "MeV " << G4endl;
>> 272
>> 273 //TKWORK120531
>> 274 if ( produceFissionFragments )
>> 275 {
>> 276 G4int fragA_Z=0;
>> 277 G4int fragA_A=0;
>> 278 G4int fragA_M=0;
>> 279 // System is traget rest!
>> 280 theFF.GetAFissionFragment(eKinetic,fragA_Z,fragA_A,fragA_M);
>> 281 G4int fragB_Z=(G4int)theBaseZ-fragA_Z;
>> 282 G4int fragB_A=(G4int)theBaseA-fragA_A-Prompt;
>> 283 //fragA_M ignored
>> 284 //G4int fragB_M=theBaseM-fragA_M;
>> 285 //G4cout << fragA_Z << " " << fragA_A << " " << fragA_M << G4endl;
>> 286 //G4cout << fragB_Z << " " << fragB_A << G4endl;
>> 287
>> 288 G4IonTable* pt = G4IonTable::GetIonTable();
>> 289 //Excitation energy is not taken into account
>> 290 G4ParticleDefinition* pdA = pt->GetIon( fragA_Z , fragA_A , 0.0 );
>> 291 G4ParticleDefinition* pdB = pt->GetIon( fragB_Z , fragB_A , 0.0 );
>> 292
>> 293 //Isotropic Distribution
>> 294 G4double phi = twopi*G4UniformRand();
>> 295 // Bug #1745 DHW G4double theta = pi*G4UniformRand();
>> 296 G4double costheta = 2.*G4UniformRand()-1.;
>> 297 G4double theta = std::acos(costheta);
>> 298 G4double sinth = std::sin(theta);
>> 299 G4ThreeVector direction(sinth*std::cos(phi), sinth*std::sin(phi), costheta);
>> 300
>> 301 // Just use ENDF value for this
>> 302 G4double ER = eDepByFragments;
>> 303 G4double ma = pdA->GetPDGMass();
>> 304 G4double mb = pdB->GetPDGMass();
>> 305 G4double EA = ER / ( 1 + ma/mb);
>> 306 G4double EB = ER - EA;
>> 307 G4DynamicParticle* dpA = new G4DynamicParticle( pdA , direction , EA);
>> 308 G4DynamicParticle* dpB = new G4DynamicParticle( pdB , -direction , EB);
>> 309 theResult.Get()->AddSecondary(dpA);
>> 310 theResult.Get()->AddSecondary(dpB);
>> 311 }
>> 312 //TKWORK 120531 END
282 313
283 return theResult.Get(); << 314 return theResult.Get();
284 } << 315 }
285 316