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26 // 26 //
27 // 080721 Create adjust_final_state method by << 27 //080721 Create adjust_final_state method by T. Koi
28 // 080801 Residual reconstruction with theNDLD << 28 //080801 Residual reconstruction with theNDLDataA,Z (A, Z, and momentum are adjusted) by T. Koi
29 // 101110 Set lower limit for gamma energy(1ke << 29 //101110 Set lower limit for gamma energy(1keV) by T. Koi
30 // P. Arce, June-2014 Conversion neutron_hp to 30 // P. Arce, June-2014 Conversion neutron_hp to particle_hp
31 // 31 //
32 32
33 #include "G4ParticleHPFinalState.hh" 33 #include "G4ParticleHPFinalState.hh"
34 34
35 #include "G4Alpha.hh" << 35 #include "G4PhysicalConstants.hh"
36 #include "G4Deuteron.hh" << 36 #include "G4SystemOfUnits.hh"
37 #include "G4Gamma.hh" <<
38 #include "G4He3.hh" <<
39 #include "G4IonTable.hh" 37 #include "G4IonTable.hh"
>> 38 #include "G4Gamma.hh"
40 #include "G4Neutron.hh" 39 #include "G4Neutron.hh"
41 #include "G4PhysicalConstants.hh" <<
42 #include "G4Proton.hh" 40 #include "G4Proton.hh"
43 #include "G4RandomDirection.hh" << 41 #include "G4Deuteron.hh"
44 #include "G4SystemOfUnits.hh" <<
45 #include "G4Triton.hh" 42 #include "G4Triton.hh"
>> 43 #include "G4He3.hh"
>> 44 #include "G4Alpha.hh"
46 45
47 G4ParticleHPFinalState::G4ParticleHPFinalState <<
48 { <<
49 theProjectile = G4Neutron::Neutron(); <<
50 theResult.Put(nullptr); <<
51 fManager = G4ParticleHPManager::GetInstance( <<
52 ionTable = G4IonTable::GetIonTable(); <<
53 } <<
54 46
55 G4ParticleHPFinalState::~G4ParticleHPFinalStat << 47 void G4ParticleHPFinalState::adjust_final_state ( G4LorentzVector init_4p_lab )
56 { 48 {
57 delete theResult.Get(); <<
58 } <<
59 49
60 void G4ParticleHPFinalState::adjust_final_stat << 50 G4double minimum_energy = 1*keV;
61 { <<
62 G4double minimum_energy = 1 * keV; <<
63 51
64 if (fManager->GetDoNotAdjustFinalState()) re << 52 if ( G4ParticleHPManager::GetInstance()->GetDoNotAdjustFinalState() ) return;
65 53
66 auto nSecondaries = (G4int)theResult.Get()-> << 54 G4int nSecondaries = (G4int)theResult.Get()->GetNumberOfSecondaries();
67 55
68 G4int sum_Z = 0; << 56 G4int sum_Z = 0;
69 G4int sum_A = 0; << 57 G4int sum_A = 0;
70 G4int max_SecZ = 0; << 58 G4int max_SecZ = 0;
71 G4int max_SecA = 0; << 59 G4int max_SecA = 0;
72 G4int imaxA = -1; << 60 G4int imaxA = -1;
73 for (G4int i = 0; i < nSecondaries; ++i) { << 61 for ( G4int i = 0 ; i < nSecondaries ; ++i )
74 auto ptr = theResult.Get()->GetSecondary(i << 62 {
75 sum_Z += ptr->GetAtomicNumber(); << 63 sum_Z += theResult.Get()->GetSecondary( i )->GetParticle()->GetDefinition()->GetAtomicNumber();
76 max_SecZ = std::max(max_SecZ, ptr->GetAtom << 64 max_SecZ = std::max ( max_SecZ , theResult.Get()->GetSecondary( i )->GetParticle()->GetDefinition()->GetAtomicNumber() );
77 sum_A += ptr->GetAtomicMass(); << 65 sum_A += theResult.Get()->GetSecondary( i )->GetParticle()->GetDefinition()->GetAtomicMass();
78 max_SecA = std::max(max_SecA, ptr->GetAtom << 66 max_SecA = std::max ( max_SecA , theResult.Get()->GetSecondary( i )->GetParticle()->GetDefinition()->GetAtomicMass() );
79 if (ptr->GetAtomicMass() == max_SecA) << 67 if ( theResult.Get()->GetSecondary( i )->GetParticle()->GetDefinition()->GetAtomicMass() == max_SecA ) imaxA = i;
80 imaxA = i; <<
81 #ifdef G4PHPDEBUG 68 #ifdef G4PHPDEBUG
82 if (fManager->GetDEBUG()) << 69 if( std::getenv("G4ParticleHPDebug")) G4cout << "G4ParticleHPFinalState::adjust_final_stat SECO " << i << " " <<theResult.Get()->GetSecondary( i )->GetParticle()->GetDefinition()->GetParticleName() << G4endl;
83 G4cout << "G4ParticleHPFinalState::adjus <<
84 << ptr->GetParticleName() << G4en <<
85 #endif 70 #endif
86 } <<
87 71
88 G4ParticleDefinition* resi_pd = nullptr; << 72 }
>> 73
>> 74 G4ParticleDefinition* resi_pd = 0;
89 75
90 G4int baseZNew = theBaseZ; << 76 G4double baseZNew = theBaseZ;
91 G4int baseANew = theBaseA; << 77 G4double baseANew = theBaseA;
92 if (theProjectile == G4Neutron::Neutron()) { << 78 if( theProjectile == G4Neutron::Neutron() ) {
93 baseANew++; << 79 baseANew ++;
94 } << 80 } else if( theProjectile == G4Proton::Proton() ) {
95 else if (theProjectile == G4Proton::Proton() << 81 baseZNew ++;
96 baseZNew++; << 82 baseANew ++;
97 baseANew++; << 83 } else if( theProjectile == G4Deuteron::Deuteron() ) {
98 } << 84 baseZNew ++;
99 else if (theProjectile == G4Deuteron::Deuter << 85 baseANew += 2;
100 baseZNew++; << 86 } else if( theProjectile == G4Triton::Triton() ) {
101 baseANew += 2; << 87 baseZNew ++;
102 } << 88 baseANew += 3;
103 else if (theProjectile == G4Triton::Triton() << 89 } else if( theProjectile == G4He3::He3() ) {
104 baseZNew++; << 90 baseZNew += 2;
105 baseANew += 3; << 91 baseANew += 3;
106 } << 92 } else if( theProjectile == G4Alpha::Alpha() ) {
107 else if (theProjectile == G4He3::He3()) { << 93 baseZNew += 2;
108 baseZNew += 2; << 94 baseANew += 4;
109 baseANew += 3; << 95 }
110 } <<
111 else if (theProjectile == G4Alpha::Alpha()) <<
112 baseZNew += 2; <<
113 baseANew += 4; <<
114 } <<
115 96
116 #ifdef G4PHPDEBUG 97 #ifdef G4PHPDEBUG
117 if (fManager->GetDEBUG()) << 98 if( std::getenv("G4ParticleHPDebug")) G4cout << "G4ParticleHPFinalState::adjust_final_stat BaseZ " << baseZNew << " BaseA " << baseANew << " sum_Z " << sum_Z << " sum_A " << sum_A << G4endl;
118 G4cout << "G4ParticleHPFinalState::adjust_ <<
119 << baseANew << " sum_Z " << sum_Z < <<
120 #endif 99 #endif
121 100
122 G4bool needOneMoreSec = false; << 101 G4bool needOneMoreSec = false;
123 G4ParticleDefinition* oneMoreSec_pd = nullpt << 102 G4ParticleDefinition* oneMoreSec_pd = 0;
124 if (baseZNew == sum_Z && baseANew == sum_A) << 103 if ( (G4int)(baseZNew - sum_Z) == 0 && (G4int)(baseANew - sum_A) == 0 )
125 // All secondaries are already created; << 104 {
126 resi_pd = theResult.Get()->GetSecondary(im << 105 //All secondaries are already created;
127 } << 106 resi_pd = theResult.Get()->GetSecondary( imaxA )->GetParticle()->GetDefinition();
128 else { << 107 }
129 if (max_SecA >= baseANew - sum_A) { << 108 else
130 // Most heavy secondary is interpreted a << 109 {
131 resi_pd = theResult.Get()->GetSecondary( << 110 if ( max_SecA >= G4int(baseANew - sum_A) )
132 needOneMoreSec = true; << 111 {
133 } << 112 //Most heavy secondary is interpreted as residual
134 else { << 113 resi_pd = theResult.Get()->GetSecondary( imaxA )->GetParticle()->GetDefinition();
135 // creation of residual is required << 114 needOneMoreSec = true;
136 resi_pd = ionTable->GetIon(baseZNew - su << 115 }
137 } << 116 else
138 << 117 {
139 if (needOneMoreSec) { << 118 //creation of residual is required
140 if (baseZNew == sum_Z && baseANew == sum << 119 resi_pd = G4IonTable::GetIonTable()->GetIon ( G4int(baseZNew - sum_Z),
141 // In this case, one neutron is added << 120 G4int(baseANew - sum_A) , 0.0 );
142 if (baseANew - sum_A > 1) << 121 }
143 G4cout << "More than one neutron is << 122
144 << G4endl; << 123 if ( needOneMoreSec )
145 oneMoreSec_pd = G4Neutron::Neutron(); << 124 {
146 } << 125 if ( G4int(baseZNew - sum_Z) == 0 && G4int(baseANew - sum_A) > 0 )
147 else { << 126 {
>> 127 //In this case, one neutron is added to secondaries
>> 128 if ( G4int(baseANew - sum_A) > 1 )
>> 129 G4cout << "More than one neutron is required for the balance of baryon number!"
>> 130 << G4endl;
>> 131 oneMoreSec_pd = G4Neutron::Neutron();
>> 132 }
>> 133 else
>> 134 {
148 #ifdef G4PHPDEBUG 135 #ifdef G4PHPDEBUG
149 if (fManager->GetDEBUG()) << 136 if( std::getenv("G4ParticleHPDebug")) G4cout << this << "G4ParticleHPFinalState oneMoreSec_pd Z " << baseZNew << " - " << sum_Z << " A " << baseANew << " - " << sum_A << " projectile " << theProjectile->GetParticleName() << G4endl;
150 G4cout << this << "G4ParticleHPFinal <<
151 << baseZNew << " - " << sum_Z <<
152 << " A " << baseANew << " - " <<
153 << theProjectile->GetParticle <<
154 #endif 137 #endif
155 oneMoreSec_pd = << 138 oneMoreSec_pd = G4IonTable::GetIonTable()->GetIon ( G4int(baseZNew - sum_Z),
156 G4IonTable::GetIonTable()->GetIon(ba << 139 G4int(baseANew - sum_A) , 0.0 );
157 if (oneMoreSec_pd == nullptr) { << 140 if( !oneMoreSec_pd ) {
158 G4ExceptionDescription ed; << 141 G4cerr << this << "G4ParticleHPFinalState oneMoreSec_pd Z " << baseZNew << " - " << sum_Z << " A " << baseANew << " - " << sum_A << " projectile " << theProjectile->GetParticleName() << G4endl;
159 ed << "G4ParticleHPFinalState oneMor << 142 G4Exception("G4ParticleHPFinalState:adjust_final_state",
160 << " A=" << baseANew << " - " << 143 "Warning",
161 << theProjectile->GetParticle << 144 JustWarning,
162 G4Exception("G4ParticleHPFinalState: << 145 "No adjustment will be done!");
163 ed, "No adjustment will << 146 return;
164 return; << 147 }
165 } << 148 }
166 } << 149 }
167 } << 150
168 << 151 if ( resi_pd == 0 )
169 if (resi_pd == nullptr) { << 152 {
170 // theNDLDataZ,A has the Z and A of used << 153 // theNDLDataZ,A has the Z and A of used NDL file
171 G4int ndlZNew = theNDLDataZ; << 154 G4double ndlZNew = theNDLDataZ;
172 G4int ndlANew = theNDLDataA; << 155 G4double ndlANew = theNDLDataA;
173 if (theProjectile == G4Neutron::Neutron( << 156 if( theProjectile == G4Neutron::Neutron() ) {
174 ndlANew++; << 157 ndlANew ++;
175 } << 158 } else if( theProjectile == G4Proton::Proton() ) {
176 else if (theProjectile == G4Proton::Prot << 159 ndlZNew ++;
177 ndlZNew++; << 160 ndlANew ++;
178 ndlANew++; << 161 } else if( theProjectile == G4Deuteron::Deuteron() ) {
179 } << 162 ndlZNew ++;
180 else if (theProjectile == G4Deuteron::De << 163 ndlANew += 2;
181 ndlZNew++; << 164 } else if( theProjectile == G4Triton::Triton() ) {
182 ndlANew += 2; << 165 ndlZNew ++;
183 } << 166 ndlANew += 3;
184 else if (theProjectile == G4Triton::Trit << 167 } else if( theProjectile == G4He3::He3() ) {
185 ndlZNew++; << 168 ndlZNew += 2;
186 ndlANew += 3; << 169 ndlANew += 3;
187 } << 170 } else if( theProjectile == G4Alpha::Alpha() ) {
188 else if (theProjectile == G4He3::He3()) << 171 ndlZNew += 2;
189 ndlZNew += 2; << 172 ndlANew += 4;
190 ndlANew += 3; << 173 }
191 } << 174 // theNDLDataZ,A has the Z and A of used NDL file
192 else if (theProjectile == G4Alpha::Alpha << 175 if ( G4int(ndlZNew - sum_Z) == 0 && G4int(ndlANew - sum_A) == 0 )
193 ndlZNew += 2; << 176 {
194 ndlANew += 4; << 177 G4int dif_Z = G4int( theNDLDataZ - theBaseZ );
195 } << 178 G4int dif_A = G4int( theNDLDataA - theBaseA );
196 // theNDLDataZ,A has the Z and A of used << 179 resi_pd = G4IonTable::GetIonTable()->GetIon ( max_SecZ - dif_Z , max_SecA - dif_A , 0.0 );
197 if (ndlZNew == sum_Z && ndlANew == sum_A << 180 if( !resi_pd ) {
198 G4int dif_Z = theNDLDataZ - theBaseZ; << 181 G4cerr << "G4ParticleHPFinalState resi_pd Z " << max_SecZ << " - " << dif_Z << " A " << max_SecA << " - " << dif_A << " projectile " << theProjectile->GetParticleName() << G4endl;
199 G4int dif_A = theNDLDataA - theBaseA; << 182 G4Exception("G4ParticleHPFinalState:adjust_final_state",
200 resi_pd = ionTable->GetIon(max_SecZ - << 183 "Warning",
201 if (resi_pd == nullptr) { << 184 JustWarning,
202 G4ExceptionDescription ed; << 185 "No adjustment will be done!");
203 ed << "resi_pd Z=" << max_SecZ << " << 186 return;
204 << max_SecA << " - " << dif_A << 187 }
205 << theProjectile->GetParticle << 188
206 G4Exception("G4ParticleHPFinalState: << 189 for ( G4int i = 0 ; i < nSecondaries ; ++i )
207 ed, "No adjustment will << 190 {
208 return; << 191 if ( theResult.Get()->GetSecondary( i )->GetParticle()->GetDefinition()->GetAtomicNumber() == max_SecZ
209 } << 192 && theResult.Get()->GetSecondary( i )->GetParticle()->GetDefinition()->GetAtomicMass() == max_SecA )
210 << 193 {
211 for (G4int i = 0; i < nSecondaries; ++ << 194 G4ThreeVector p = theResult.Get()->GetSecondary( i )->GetParticle()->GetMomentum();
212 auto ptr = theResult.Get()->GetSecon << 195 p = p * resi_pd->GetPDGMass()/ G4IonTable::GetIonTable()->GetIon ( max_SecZ , max_SecA , 0.0 )->GetPDGMass();
213 if (ptr->GetDefinition()->GetAtomicN << 196 theResult.Get()->GetSecondary( i )->GetParticle()->SetDefinition( resi_pd );
214 ptr->GetDefinition()->GetAtomicM << 197 theResult.Get()->GetSecondary( i )->GetParticle()->SetMomentum( p );
215 { << 198 }
216 G4ThreeVector p = ptr->GetMomentum << 199 }
217 / ionTable->GetIon(max_SecZ, m <<
218 ptr->SetDefinition(resi_pd); <<
219 ptr->SetMomentum(p); <<
220 } <<
221 } 200 }
222 } 201 }
223 } << 202 }
224 } <<
225 203
226 G4LorentzVector secs_4p_lab(0.0); << 204 G4LorentzVector secs_4p_lab( 0.0 );
227 205
228 auto n_sec = (G4int)theResult.Get()->GetNumb << 206 G4int n_sec = (G4int)theResult.Get()->GetNumberOfSecondaries();
229 G4double fast = 0; << 207 G4double fast = 0;
230 G4double slow = 1; << 208 G4double slow = 1;
231 G4int ifast = 0; << 209 G4int ifast = 0;
232 G4int islow = 0; << 210 G4int islow = 0;
233 G4int ires = -1; << 211 G4int ires = -1;
234 << 212
235 for (G4int i = 0; i < n_sec; ++i) { << 213 for ( G4int i = 0 ; i < n_sec ; ++i )
236 auto ptr = theResult.Get()->GetSecondary(i << 214 {
237 secs_4p_lab += ptr->Get4Momentum(); << 215 secs_4p_lab += theResult.Get()->GetSecondary( i )->GetParticle()->Get4Momentum();
238 << 216
239 G4double beta = 0; << 217 G4double beta = 0;
240 if (ptr->GetDefinition() != G4Gamma::Gamma << 218 if ( theResult.Get()->GetSecondary( i )->GetParticle()->GetDefinition() != G4Gamma::Gamma() )
241 beta = ptr->Get4Momentum().beta(); << 219 {
242 } << 220 beta = theResult.Get()->GetSecondary( i )->GetParticle()->Get4Momentum().beta();
243 else { << 221 }
244 beta = 1.0; << 222 else
245 } << 223 {
246 << 224 beta = 1;
247 if (ptr->GetDefinition() == resi_pd) ires << 225 }
248 << 226
249 if (slow > beta && beta != 0) { << 227 if ( theResult.Get()->GetSecondary( i )->GetParticle()->GetDefinition() == resi_pd ) ires = i;
250 slow = beta; << 228
251 islow = i; << 229 if ( slow > beta && beta != 0 )
252 } << 230 {
253 << 231 slow = beta;
254 if (fast <= beta) { << 232 islow = i;
255 if (fast != 1) { << 233 }
256 fast = beta; << 234
257 ifast = i; << 235 if ( fast <= beta )
258 } << 236 {
259 else { << 237 if ( fast != 1 )
260 // fast is already photon then check E << 238 {
261 G4double e = ptr->Get4Momentum().e(); << 239 fast = beta;
262 if (e > theResult.Get()->GetSecondary( << 240 ifast = i;
263 // among photons, the highest E beco << 241 }
264 ifast = i; << 242 else
265 } << 243 {
266 } << 244 // fast is already photon then check E
267 } << 245 G4double e = theResult.Get()->GetSecondary( i )->GetParticle()->Get4Momentum().e();
268 } << 246 if ( e > theResult.Get()->GetSecondary( ifast )->GetParticle()->Get4Momentum().e() )
>> 247 {
>> 248 // among photons, the highest E becomes the fastest
>> 249 ifast = i;
>> 250 }
>> 251 }
>> 252 }
>> 253 }
>> 254
>> 255 G4LorentzVector dif_4p = init_4p_lab - secs_4p_lab;
>> 256
>> 257 G4LorentzVector p4(0);
>> 258 if ( ires == -1 )
>> 259 {
>> 260 // Create and Add Residual Nucleus
>> 261 ires = nSecondaries;
>> 262 nSecondaries += 1;
269 263
270 G4LorentzVector dif_4p = init_4p_lab - secs_ << 264 G4DynamicParticle* res = new G4DynamicParticle ( resi_pd , dif_4p.v() );
>> 265 theResult.Get()->AddSecondary ( res, secID );
271 266
272 G4LorentzVector p4(0); << 267 p4 = res->Get4Momentum();
273 if (ires == -1) { << 268 if ( slow > p4.beta() )
274 // Create and Add Residual Nucleus << 269 {
275 ires = nSecondaries; << 270 slow = p4.beta();
276 nSecondaries += 1; << 271 islow = ires;
277 << 272 }
278 auto res = new G4DynamicParticle(resi_pd, << 273 dif_4p = init_4p_lab - ( secs_4p_lab + p4 );
279 theResult.Get()->AddSecondary(res, secID); << 274 }
280 << 275
281 p4 = res->Get4Momentum(); << 276 if ( needOneMoreSec && oneMoreSec_pd)
282 if (slow > p4.beta()) { << 277 //
283 slow = p4.beta(); << 278 // fca: this is not a fix, this is a crash avoidance...
284 islow = ires; << 279 // fca: the baryon number is still wrong, most probably because it
285 } << 280 // fca: should have been decreased, but since we could not create a particle
286 dif_4p = init_4p_lab - (secs_4p_lab + p4); << 281 // fca: we just do not add it
287 } << 282 //
288 << 283 {
289 if (needOneMoreSec && oneMoreSec_pd != nullp <<
290 // <<
291 // fca: this is not a fix, this is a crash a <<
292 // fca: the baryon number is still wrong, mo <<
293 // fca: should have been decreased, but sinc <<
294 // fca: we just do not add it <<
295 // <<
296 { <<
297 nSecondaries += 1; <<
298 auto one = new G4DynamicParticle(oneMoreSe <<
299 theResult.Get()->AddSecondary(one, secID); <<
300 p4 = one->Get4Momentum(); <<
301 if (slow > p4.beta()) { <<
302 slow = p4.beta(); <<
303 islow = nSecondaries - 1; // Because th <<
304 } <<
305 dif_4p = init_4p_lab - (secs_4p_lab + p4); <<
306 } <<
307 <<
308 // Which is bigger dif_p or dif_e <<
309 <<
310 if (dif_4p.v().mag() < std::abs(dif_4p.e())) <<
311 // Adjust p <<
312 if (minimum_energy < dif_4p.v().mag() && d <<
313 nSecondaries += 1; 284 nSecondaries += 1;
314 theResult.Get()->AddSecondary(new G4Dyna << 285 G4DynamicParticle* one = new G4DynamicParticle ( oneMoreSec_pd , dif_4p.v() );
315 } << 286 theResult.Get()->AddSecondary ( one, secID );
316 } << 287 p4 = one->Get4Momentum();
317 else { << 288 if ( slow > p4.beta() )
318 // dif_p > dif_e << 289 {
319 // at first momentum << 290 slow = p4.beta();
320 // Move residual momentum << 291 islow = nSecondaries-1; //Because the first is 0th, so the last becomes "nSecondaries-1"
321 p4 = theResult.Get()->GetSecondary(ires)-> << 292 }
322 theResult.Get()->GetSecondary(ires)->GetPa << 293 dif_4p = init_4p_lab - ( secs_4p_lab + p4 );
323 dif_4p = init_4p_lab - << 294 }
324 (secs_4p_lab - p4 + theResult.Get()->Get << 295
325 } << 296 // Which is bigger dif_p or dif_e
326 << 297
327 G4double dif_e = dif_4p.e() - (dif_4p.v()).m << 298 if ( dif_4p.v().mag() < std::abs( dif_4p.e() ) )
328 << 299 {
329 if (dif_e > 0) { << 300 // Adjust p
330 // create 2 gamma << 301 if ( minimum_energy < dif_4p.v().mag() && dif_4p.v().mag() < 1*MeV )
331 << 302 {
332 nSecondaries += 2; << 303
333 G4double e1 = (dif_4p.e() - dif_4p.v().mag << 304 nSecondaries += 1;
334 << 305 theResult.Get()->AddSecondary ( new G4DynamicParticle ( G4Gamma::Gamma() , dif_4p.v() ), secID );
335 if (minimum_energy < e1) { << 306 }
336 G4ThreeVector dir = G4RandomDirection(); << 307 }
337 theResult.Get()->AddSecondary(new G4Dyna << 308 else
338 theResult.Get()->AddSecondary(new G4Dyna << 309 {
339 } << 310
340 } << 311 // dif_p > dif_e
341 else // dif_e < 0 << 312 // at first momentum
342 { << 313 // Move residual momentum
343 // At first reduce KE of the fastest secon << 314
344 auto ptr = theResult.Get()->GetSecondary(i << 315 p4 = theResult.Get()->GetSecondary( ires )->GetParticle()->Get4Momentum();
345 G4double ke0 = ptr->GetKineticEnergy(); << 316 theResult.Get()->GetSecondary( ires )->GetParticle()->SetMomentum( p4.v() + dif_4p.v() );
346 G4ThreeVector p0 = ptr->GetMomentum(); << 317 dif_4p = init_4p_lab - ( secs_4p_lab - p4 + theResult.Get()->GetSecondary( ires )->GetParticle()->Get4Momentum() );
347 G4ThreeVector dir = p0.unit(); << 318 }
348 << 319
349 if (ke0 + dif_e > 0) { << 320 G4double dif_e = dif_4p.e() - ( dif_4p.v() ).mag();
350 ptr->SetKineticEnergy(ke0 + dif_e); << 321
351 G4ThreeVector dp = p0 - theResult.Get()- << 322 if ( dif_e > 0 )
352 G4ThreeVector p = theResult.Get()->GetSe << 323 {
353 theResult.Get()->GetSecondary(islow)->Ge << 324
354 } << 325 // create 2 gamma
355 } << 326
>> 327 nSecondaries += 2;
>> 328 G4double e1 = ( dif_4p.e() -dif_4p.v().mag() ) / 2;
>> 329
>> 330 if ( minimum_energy < e1 )
>> 331 {
>> 332 G4double costh = 2.*G4UniformRand()-1.;
>> 333 G4double phi = twopi*G4UniformRand();
>> 334 G4ThreeVector dir( std::sin(std::acos(costh))*std::cos(phi),
>> 335 std::sin(std::acos(costh))*std::sin(phi),
>> 336 costh);
>> 337 theResult.Get()->AddSecondary ( new G4DynamicParticle ( G4Gamma::Gamma() , e1*dir ), secID );
>> 338 theResult.Get()->AddSecondary ( new G4DynamicParticle ( G4Gamma::Gamma() , -e1*dir ), secID );
>> 339 }
>> 340 }
>> 341 else // dif_e < 0
>> 342 {
>> 343 // At first reduce KE of the fastest secondary;
>> 344 G4double ke0 = theResult.Get()->GetSecondary( ifast )->GetParticle()->GetKineticEnergy();
>> 345 G4ThreeVector p0 = theResult.Get()->GetSecondary( ifast )->GetParticle()->GetMomentum();
>> 346 G4ThreeVector dir = ( theResult.Get()->GetSecondary( ifast )->GetParticle()->GetMomentum() ).unit();
>> 347
>> 348 if ( ke0 + dif_e > 0 )
>> 349 {
>> 350 theResult.Get()->GetSecondary( ifast )->GetParticle()->SetKineticEnergy( ke0 + dif_e );
>> 351 G4ThreeVector dp = p0 - theResult.Get()->GetSecondary( ifast )->GetParticle()->GetMomentum();
>> 352
>> 353 G4ThreeVector p = theResult.Get()->GetSecondary( islow )->GetParticle()->GetMomentum();
>> 354 //theResult.GetSecondary( islow )->GetParticle()->SetMomentum( p - dif_e*dir );
>> 355 theResult.Get()->GetSecondary( islow )->GetParticle()->SetMomentum( p + dp );
>> 356 }
>> 357 }
356 } 358 }
357 359