| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // Historic fragment from M.Komogorov; clean-u 26 // Historic fragment from M.Komogorov; clean-up still necessary @@@
27 27
28 #include "G4ExcitedStringDecay.hh" 28 #include "G4ExcitedStringDecay.hh"
29 #include "G4SystemOfUnits.hh" 29 #include "G4SystemOfUnits.hh"
30 #include "G4KineticTrack.hh" 30 #include "G4KineticTrack.hh"
31 #include "G4LundStringFragmentation.hh" <<
32 #include "G4HadronicInteractionRegistry.hh" <<
33 31
34 #include "G4SampleResonance.hh" 32 #include "G4SampleResonance.hh"
35 33
36 //#define debug_G4ExcitedStringDecay 34 //#define debug_G4ExcitedStringDecay
37 //#define debug_G4ExcitedStringCorr 35 //#define debug_G4ExcitedStringCorr
38 36
39 G4ExcitedStringDecay::G4ExcitedStringDecay(G4V << 37
40 : G4VStringFragmentation(), theStringDecay(p << 38 G4ExcitedStringDecay::G4ExcitedStringDecay() : G4VStringFragmentation(),theStringDecay(0)
>> 39 {}
>> 40
>> 41
>> 42 G4ExcitedStringDecay::G4ExcitedStringDecay(G4VLongitudinalStringDecay * aStringDecay)
>> 43 : G4VStringFragmentation(),
>> 44 theStringDecay(aStringDecay)
>> 45 {}
>> 46
>> 47
>> 48 G4ExcitedStringDecay::G4ExcitedStringDecay(const G4ExcitedStringDecay &)
>> 49 : G4VStringFragmentation(),
>> 50 theStringDecay(0)
41 { 51 {
42 if(!ptr) { << 52 throw G4HadronicException(__FILE__, __LINE__, "G4ExcitedStringDecay::copy ctor not accessible");
43 G4HadronicInteraction* p = << 53 }
44 G4HadronicInteractionRegistry::Instance( << 54
45 theStringDecay = static_cast<G4VLongitudin <<
46 if(!theStringDecay) { theStringDecay = new <<
47 } <<
48 SetModelName(theStringDecay->GetModelName()) <<
49 } <<
50 55
51 G4ExcitedStringDecay::~G4ExcitedStringDecay() 56 G4ExcitedStringDecay::~G4ExcitedStringDecay()
52 {} << 57 {
>> 58 }
>> 59
>> 60
>> 61 const G4ExcitedStringDecay & G4ExcitedStringDecay::operator=(const G4ExcitedStringDecay &)
>> 62 {
>> 63 throw G4HadronicException(__FILE__, __LINE__, "G4ExcitedStringDecay::operator= meant to not be accessable");
>> 64 return *this;
>> 65 }
>> 66
>> 67
>> 68 G4bool G4ExcitedStringDecay::operator==(const G4ExcitedStringDecay &) const
>> 69 {
>> 70 return false;
>> 71 }
>> 72
>> 73
>> 74 G4bool G4ExcitedStringDecay::operator!=(const G4ExcitedStringDecay &) const
>> 75 {
>> 76 return true;
>> 77 }
>> 78
53 79
54 G4KineticTrackVector *G4ExcitedStringDecay::Fr 80 G4KineticTrackVector *G4ExcitedStringDecay::FragmentString(const G4ExcitedString &theString)
55 { 81 {
56 return theStringDecay->FragmentString(theStr << 82 if ( theStringDecay == NULL ) theStringDecay=new G4LundStringFragmentation();
>> 83 return theStringDecay->FragmentString(theString);
57 } 84 }
58 85
>> 86
59 G4KineticTrackVector *G4ExcitedStringDecay::Fr 87 G4KineticTrackVector *G4ExcitedStringDecay::FragmentStrings(const G4ExcitedStringVector * theStrings)
60 { 88 {
61 G4LorentzVector KTsum(0.,0.,0.,0.); 89 G4LorentzVector KTsum(0.,0.,0.,0.);
62 90
63 #ifdef debug_G4ExcitedStringDecay 91 #ifdef debug_G4ExcitedStringDecay
64 G4cout<<G4endl; 92 G4cout<<G4endl;
65 G4cout<<"--------------------------- G4Excit 93 G4cout<<"--------------------------- G4ExcitedStringDecay ----------------------"<<G4endl;
66 G4cout<<"Hadronization of Excited Strings: t 94 G4cout<<"Hadronization of Excited Strings: theStrings->size() "<<theStrings->size()<<G4endl;
67 #endif 95 #endif
68 96
69 for ( unsigned int astring=0; astring < theS 97 for ( unsigned int astring=0; astring < theStrings->size(); astring++)
70 // for ( unsigned int astring=0; astring < 1 98 // for ( unsigned int astring=0; astring < 1; astring++)
71 { 99 {
72 // G4cout<<"theStrings->operator[](astring 100 // G4cout<<"theStrings->operator[](astring)->IsExcited() "<<" "<<astring<<" "<<theStrings->operator[](astring)->IsExcited()<<G4endl;
73 if ( theStrings->operator[](astring)->IsEx 101 if ( theStrings->operator[](astring)->IsExcited() )
74 {KTsum+= theStrings->operator[](astri 102 {KTsum+= theStrings->operator[](astring)->Get4Momentum();}
75 else {KTsum+=theStrings->operator[](astrin 103 else {KTsum+=theStrings->operator[](astring)->GetKineticTrack()->Get4Momentum();}
76 } 104 }
77 105
78 G4LorentzRotation toCms( -1 * KTsum.boostVec 106 G4LorentzRotation toCms( -1 * KTsum.boostVector() );
79 G4LorentzRotation toLab(toCms.inverse()); 107 G4LorentzRotation toLab(toCms.inverse());
80 G4LorentzVector Ptmp; 108 G4LorentzVector Ptmp;
81 KTsum=G4LorentzVector(0.,0.,0.,0.); 109 KTsum=G4LorentzVector(0.,0.,0.,0.);
82 110
83 for ( unsigned int astring=0; astring < theS 111 for ( unsigned int astring=0; astring < theStrings->size(); astring++)
84 // for ( unsigned int astring=0; astring < 1 112 // for ( unsigned int astring=0; astring < 1; astring++)
85 { 113 {
86 if ( theStrings->operator[](astring)->IsEx 114 if ( theStrings->operator[](astring)->IsExcited() )
87 { 115 {
88 Ptmp=toCms * theStrings->operator[](astr 116 Ptmp=toCms * theStrings->operator[](astring)->GetLeftParton()->Get4Momentum();
89 theStrings->operator[](astring)->GetLeft 117 theStrings->operator[](astring)->GetLeftParton()->Set4Momentum(Ptmp);
90 118
91 Ptmp=toCms * theStrings->operator[](astr 119 Ptmp=toCms * theStrings->operator[](astring)->GetRightParton()->Get4Momentum();
92 theStrings->operator[](astring)->GetRigh 120 theStrings->operator[](astring)->GetRightParton()->Set4Momentum(Ptmp);
93 121
94 KTsum+= theStrings->operator[](astring)- 122 KTsum+= theStrings->operator[](astring)->Get4Momentum();
95 } 123 }
96 else 124 else
97 { 125 {
98 Ptmp=toCms * theStrings->operator[](astr 126 Ptmp=toCms * theStrings->operator[](astring)->GetKineticTrack()->Get4Momentum();
99 theStrings->operator[](astring)->GetKine 127 theStrings->operator[](astring)->GetKineticTrack()->Set4Momentum(Ptmp);
100 KTsum+= theStrings->operator[](astring)- 128 KTsum+= theStrings->operator[](astring)->GetKineticTrack()->Get4Momentum();
101 } 129 }
102 } 130 }
103 131
104 G4SampleResonance BrW; 132 G4SampleResonance BrW;
105 const G4ParticleDefinition* TrackDefinition= 133 const G4ParticleDefinition* TrackDefinition=0;
106 134
107 G4KineticTrackVector * theResult = new G4Kin 135 G4KineticTrackVector * theResult = new G4KineticTrackVector;
108 G4int attempts(0); 136 G4int attempts(0);
109 G4bool success=false; 137 G4bool success=false;
110 G4bool NeedEnergyCorrector=false; 138 G4bool NeedEnergyCorrector=false;
111 do { 139 do {
112 #ifdef debug_G4ExcitedStringDecay 140 #ifdef debug_G4ExcitedStringDecay
113 G4cout<<"New try No "<<attempts<<" to 141 G4cout<<"New try No "<<attempts<<" to hadronize strings"<<G4endl;
114 #endif 142 #endif
115 143
116 std::for_each(theResult->begin() , theResult 144 std::for_each(theResult->begin() , theResult->end() , DeleteKineticTrack());
117 theResult->clear(); 145 theResult->clear();
118 146
119 attempts++; 147 attempts++;
120 148
121 G4LorentzVector KTsecondaries(0.,0.,0.,0.); 149 G4LorentzVector KTsecondaries(0.,0.,0.,0.);
122 NeedEnergyCorrector=false; 150 NeedEnergyCorrector=false;
123 151
124 for ( unsigned int astring=0; astring < theS 152 for ( unsigned int astring=0; astring < theStrings->size(); astring++)
125 // for ( unsigned int astring=0; astri 153 // for ( unsigned int astring=0; astring < 1; astring++) // Proj. Last Str. Decay for FTF
126 // for ( unsigned int astring=1; astri 154 // for ( unsigned int astring=1; astring < 2; astring++) // Proj. Last Str. Decay for QGS
127 // for ( unsigned int astring=0; astri 155 // for ( unsigned int astring=0; astring < 1; astring++) // For testing purposes
128 { 156 {
129 #ifdef debug_G4ExcitedStringDecay 157 #ifdef debug_G4ExcitedStringDecay
130 G4cout<<"String No "<<astring+1<<" E 158 G4cout<<"String No "<<astring+1<<" Excited? "<<theStrings->operator[](astring)->IsExcited()<<G4endl;
131 159
132 G4cout<<"String No "<<astring+1<<" 4 160 G4cout<<"String No "<<astring+1<<" 4Momentum "<<theStrings->operator[](astring)->Get4Momentum()
133 <<" "<<theStrings->operator[](astrin 161 <<" "<<theStrings->operator[](astring)->Get4Momentum().mag()<<G4endl;
134 #endif 162 #endif
135 163
136 G4KineticTrackVector * generatedKine 164 G4KineticTrackVector * generatedKineticTracks = NULL;
137 if ( theStrings->operator[](astring)->IsEx 165 if ( theStrings->operator[](astring)->IsExcited() )
138 { 166 {
139 #ifdef debug_G4ExcitedStringDecay 167 #ifdef debug_G4ExcitedStringDecay
140 G4cout<<"Fragment String with par 168 G4cout<<"Fragment String with partons: "
141 <<theStrings->operator[](as 169 <<theStrings->operator[](astring)->GetLeftParton()->GetPDGcode() <<" "
142 <<theStrings->operator[](as 170 <<theStrings->operator[](astring)->GetRightParton()->GetPDGcode()<<" "
143 <<"Direction "<<theStrings- 171 <<"Direction "<<theStrings->operator[](astring)->GetDirection()<<G4endl;
144 #endif 172 #endif
145 generatedKineticTracks=FragmentString 173 generatedKineticTracks=FragmentString(*theStrings->operator[](astring));
146 #ifdef debug_G4ExcitedStringDecay 174 #ifdef debug_G4ExcitedStringDecay
147 G4cout<<"(G4ExcitedStringDecay) N 175 G4cout<<"(G4ExcitedStringDecay) Number of produced hadrons = "
148 <<generatedKineticTracks->s 176 <<generatedKineticTracks->size()<<G4endl;
149 #endif 177 #endif
150 } else { 178 } else {
151 #ifdef debug_G4ExcitedStringDecay 179 #ifdef debug_G4ExcitedStringDecay
152 G4cout<<" GetTrack from the Str 180 G4cout<<" GetTrack from the String"<<G4endl;
153 #endif 181 #endif
154 G4LorentzVector Mom=theStrings->o 182 G4LorentzVector Mom=theStrings->operator[](astring)->GetKineticTrack()->Get4Momentum();
155 G4KineticTrack * aTrack= new G4Ki 183 G4KineticTrack * aTrack= new G4KineticTrack(
156 theStrings->operat 184 theStrings->operator[](astring)->GetKineticTrack()->GetDefinition(),
157 theStrings->operat 185 theStrings->operator[](astring)->GetKineticTrack()->GetFormationTime(),
158 G4ThreeVector(0), 186 G4ThreeVector(0), Mom);
159 187
160 aTrack->SetPosition(theStrings->o 188 aTrack->SetPosition(theStrings->operator[](astring)->GetKineticTrack()->GetPosition());
161 189
162 #ifdef debug_G4ExcitedStringDecay 190 #ifdef debug_G4ExcitedStringDecay
163 G4cout<<" A particle stored in 191 G4cout<<" A particle stored in the track is "<<aTrack->GetDefinition()->GetParticleName()<<G4endl;
164 #endif 192 #endif
165 193
166 generatedKineticTracks = new G4KineticT 194 generatedKineticTracks = new G4KineticTrackVector;
167 generatedKineticTracks->push_back(aTrac 195 generatedKineticTracks->push_back(aTrack);
168 } 196 }
169 197
170 if (generatedKineticTracks == nullptr || g << 198 if (generatedKineticTracks->size() == 0)
171 { 199 {
172 // G4cerr << "G4VPartonStringMode 200 // G4cerr << "G4VPartonStringModel:No KineticTracks produced" << G4endl;
173 delete generatedKineticTracks; << 201 // continue;
174 generatedKineticTracks = nullptr; << 202 success=false; NeedEnergyCorrector=false; break;
175 continue; <<
176 } 203 }
177 204
178 G4LorentzVector KTsum1(0.,0.,0.,0.); 205 G4LorentzVector KTsum1(0.,0.,0.,0.);
179 for ( unsigned int aTrack=0; aTrack< 206 for ( unsigned int aTrack=0; aTrack<generatedKineticTracks->size();aTrack++)
180 { 207 {
181 #ifdef debug_G4ExcitedStringDecay 208 #ifdef debug_G4ExcitedStringDecay
182 G4cout<<"Prod part No. "<<aTrack+ 209 G4cout<<"Prod part No. "<<aTrack+1<<" "
183 <<(*generatedKineticTracks) 210 <<(*generatedKineticTracks)[aTrack]->GetDefinition()->GetParticleName()<<" "
184 <<(*generatedKineticTracks) 211 <<(*generatedKineticTracks)[aTrack]->Get4Momentum()
185 <<(*generatedKineticTracks) 212 <<(*generatedKineticTracks)[aTrack]->Get4Momentum().mag()<<G4endl;
186 #endif 213 #endif
187 // --------------- Sampling mass 214 // --------------- Sampling mass of unstable hadronic resonances ----------------
188 TrackDefinition = (*generatedKine 215 TrackDefinition = (*generatedKineticTracks)[aTrack]->GetDefinition();
189 216
190 if (TrackDefinition->IsShortLived()) 217 if (TrackDefinition->IsShortLived())
191 { 218 {
192 G4double NewTrackMass = 219 G4double NewTrackMass =
193 BrW.SampleMass( TrackDefiniti 220 BrW.SampleMass( TrackDefinition->GetPDGMass(), TrackDefinition->GetPDGWidth(),
194 BrW.GetMinimu 221 BrW.GetMinimumMass( TrackDefinition ) + 10.0*MeV,
195 TrackDefiniti 222 TrackDefinition->GetPDGMass() + 5.0*TrackDefinition->GetPDGWidth() );
196 G4LorentzVector Tmp=G4LorentzVe 223 G4LorentzVector Tmp=G4LorentzVector((*generatedKineticTracks)[aTrack]->Get4Momentum());
197 Tmp.setE(std::sqrt(sqr(NewTrack 224 Tmp.setE(std::sqrt(sqr(NewTrackMass) + Tmp.vect().mag2()));
198 225
199 (*generatedKineticTracks)[aTrac 226 (*generatedKineticTracks)[aTrack]->Set4Momentum(Tmp);
200 227
201 #ifdef debug_G4ExcitedStringDec 228 #ifdef debug_G4ExcitedStringDecay
202 G4cout<<"Resonance *** "<<aTrac 229 G4cout<<"Resonance *** "<<aTrack+1<<" "
203 <<(*generatedKineticTrack 230 <<(*generatedKineticTracks)[aTrack]->GetDefinition()->GetParticleName()<<" "
204 <<(*generatedKineticTrack 231 <<(*generatedKineticTracks)[aTrack]->Get4Momentum()
205 <<(*generatedKineticTrack 232 <<(*generatedKineticTracks)[aTrack]->Get4Momentum().mag()<<G4endl;
206 #endif 233 #endif
207 } 234 }
208 //------------------------------- 235 //-------------------------------------------------------------------------------
209 236
210 theResult->push_back(generatedKin 237 theResult->push_back(generatedKineticTracks->operator[](aTrack));
211 KTsum1+= (*generatedKineticTracks 238 KTsum1+= (*generatedKineticTracks)[aTrack]->Get4Momentum();
212 } 239 }
213 KTsecondaries+=KTsum1; 240 KTsecondaries+=KTsum1;
214 241
215 #ifdef debug_G4ExcitedStringDecay 242 #ifdef debug_G4ExcitedStringDecay
216 G4cout << "String secondaries(" <<ge 243 G4cout << "String secondaries(" <<generatedKineticTracks->size()<< ")"<<G4endl
217 <<"Init string momentum: "< 244 <<"Init string momentum: "<< theStrings->operator[](astring)->Get4Momentum()<<G4endl
218 <<"Final hadrons momentum: "< 245 <<"Final hadrons momentum: "<< KTsum1 << G4endl;
219 #endif 246 #endif
220 247
221 if ( KTsum1.e() > 0 && 248 if ( KTsum1.e() > 0 &&
222 std::abs((KTsum1.e()-theString 249 std::abs((KTsum1.e()-theStrings->operator[](astring)->Get4Momentum().e()) / KTsum1.e()) > perMillion )
223 { 250 {
224 NeedEnergyCorrector=true; 251 NeedEnergyCorrector=true;
225 } 252 }
226 253
227 #ifdef debug_G4ExcitedStringDecay 254 #ifdef debug_G4ExcitedStringDecay
228 G4cout<<"NeedEnergyCorrection yes/no 255 G4cout<<"NeedEnergyCorrection yes/no "<<NeedEnergyCorrector<<G4endl;
229 #endif 256 #endif
230 257
231 // clean up 258 // clean up
232 delete generatedKineticTracks; 259 delete generatedKineticTracks;
233 success=true; 260 success=true;
234 } 261 }
235 262
236 if ( NeedEnergyCorrector ) success=EnergyAnd 263 if ( NeedEnergyCorrector ) success=EnergyAndMomentumCorrector(theResult, KTsum);
237 } while (!success && (attempts < 100)); /* 264 } while (!success && (attempts < 100)); /* Loop checking, 07.08.2015, A.Ribon */
238 265
239 for ( unsigned int aTrack=0; aTrack<theResul 266 for ( unsigned int aTrack=0; aTrack<theResult->size();aTrack++)
240 { 267 {
241 Ptmp=(*theResult)[aTrack]->Get4Momentum(); 268 Ptmp=(*theResult)[aTrack]->Get4Momentum();
242 Ptmp.transform( toLab); 269 Ptmp.transform( toLab);
243 (*theResult)[aTrack]->Set4Momentum(Ptmp); 270 (*theResult)[aTrack]->Set4Momentum(Ptmp);
244 } 271 }
245 272
246 #ifdef debug_G4ExcitedStringDecay 273 #ifdef debug_G4ExcitedStringDecay
247 G4cout<<"End of the strings fragmentation (G 274 G4cout<<"End of the strings fragmentation (G4ExcitedStringDecay)"<<G4endl;
248 275
249 G4LorentzVector KTsum1(0.,0.,0.,0.); 276 G4LorentzVector KTsum1(0.,0.,0.,0.);
250 277
251 for ( unsigned int aTrack=0; aTrack<theResul 278 for ( unsigned int aTrack=0; aTrack<theResult->size();aTrack++)
252 { 279 {
253 G4cout << " corrected tracks .. " << (*t 280 G4cout << " corrected tracks .. " << (*theResult)[aTrack]->GetDefinition()->GetParticleName()
254 <<" " << (*theResult)[aTrack]->Get4Mome 281 <<" " << (*theResult)[aTrack]->Get4Momentum()
255 <<" " << (*theResult)[aTrack]->Get4Mome 282 <<" " << (*theResult)[aTrack]->Get4Momentum().mag()<< G4endl;
256 KTsum1+= (*theResult)[aTrack]->Get4Momen 283 KTsum1+= (*theResult)[aTrack]->Get4Momentum();
257 } 284 }
258 285
259 G4cout << "Needcorrector/success " << NeedEn 286 G4cout << "Needcorrector/success " << NeedEnergyCorrector << "/" << success
260 << ", Corrected total 4 momentum " < 287 << ", Corrected total 4 momentum " << KTsum1 << G4endl;
261 if ( ! success ) G4cout << "failed to correc 288 if ( ! success ) G4cout << "failed to correct E/p" << G4endl;
262 289
263 G4cout<<"End of the Hadronization (G4Excited 290 G4cout<<"End of the Hadronization (G4ExcitedStringDecay)"<<G4endl;
264 #endif 291 #endif
265 292
266 if (!success) 293 if (!success)
267 { 294 {
268 if (theResult->size() != 0) 295 if (theResult->size() != 0)
269 { 296 {
270 std::for_each(theResult->begin() , theRe 297 std::for_each(theResult->begin() , theResult->end() , DeleteKineticTrack());
271 theResult->clear(); 298 theResult->clear();
272 delete theResult; theResult=0; 299 delete theResult; theResult=0;
273 } 300 }
274 for ( unsigned int astring=0; astring < th 301 for ( unsigned int astring=0; astring < theStrings->size(); astring++)
275 // for ( unsigned int astring=0; astring < 302 // for ( unsigned int astring=0; astring < 1; astring++) // Need more correct. For testing purposes.
276 { 303 {
277 if ( theStrings->operator[](astring)->Is 304 if ( theStrings->operator[](astring)->IsExcited() )
278 { 305 {
279 Ptmp=theStrings->operator[](astring)-> 306 Ptmp=theStrings->operator[](astring)->GetLeftParton()->Get4Momentum();
280 Ptmp.transform( toLab); 307 Ptmp.transform( toLab);
281 theStrings->operator[](astring)->GetLe 308 theStrings->operator[](astring)->GetLeftParton()->Set4Momentum(Ptmp);
282 309
283 Ptmp=theStrings->operator[](astring)-> 310 Ptmp=theStrings->operator[](astring)->GetRightParton()->Get4Momentum();
284 Ptmp.transform( toLab); 311 Ptmp.transform( toLab);
285 theStrings->operator[](astring)->GetRi 312 theStrings->operator[](astring)->GetRightParton()->Set4Momentum(Ptmp);
286 } 313 }
287 else 314 else
288 { 315 {
289 Ptmp=theStrings->operator[](astring)-> 316 Ptmp=theStrings->operator[](astring)->GetKineticTrack()->Get4Momentum();
290 Ptmp.transform( toLab); 317 Ptmp.transform( toLab);
291 theStrings->operator[](astring)->GetKi 318 theStrings->operator[](astring)->GetKineticTrack()->Set4Momentum(Ptmp);
292 } 319 }
293 } 320 }
294 } 321 }
295 return theResult; 322 return theResult;
296 } 323 }
297 324
298 325
299 G4bool G4ExcitedStringDecay:: 326 G4bool G4ExcitedStringDecay::
300 EnergyAndMomentumCorrector(G4KineticTrackVecto 327 EnergyAndMomentumCorrector(G4KineticTrackVector* Output, G4LorentzVector& TotalCollisionMom)
301 { 328 {
302 const int nAttemptScale = 500; 329 const int nAttemptScale = 500;
303 const double ErrLimit = 1.E-5; 330 const double ErrLimit = 1.E-5;
304 if (Output->empty()) return TRUE; 331 if (Output->empty()) return TRUE;
305 G4LorentzVector SumMom; 332 G4LorentzVector SumMom;
306 G4double SumMass = 0; 333 G4double SumMass = 0;
307 G4double TotalCollisionMass = Total 334 G4double TotalCollisionMass = TotalCollisionMom.m();
308 335
309 std::vector<G4double> HadronMass; G4double 336 std::vector<G4double> HadronMass; G4double HadronM(0.);
310 337
311 #ifdef debug_G4ExcitedStringCorr 338 #ifdef debug_G4ExcitedStringCorr
312 G4cout<<G4endl<<"EnergyAndMomentumCorrecto 339 G4cout<<G4endl<<"EnergyAndMomentumCorrector. Number of particles: "<<Output->size()<<G4endl;
313 #endif 340 #endif
314 // Calculate sum hadron 4-momenta and summ 341 // Calculate sum hadron 4-momenta and summing hadron mass
315 unsigned int cHadron; 342 unsigned int cHadron;
316 for (cHadron = 0; cHadron < Output->size() 343 for (cHadron = 0; cHadron < Output->size(); cHadron++)
317 { 344 {
318 SumMom += Output->operator[](cHadron) 345 SumMom += Output->operator[](cHadron)->Get4Momentum();
319 HadronM=Output->operator[](cHadron)->G 346 HadronM=Output->operator[](cHadron)->Get4Momentum().mag(); HadronMass.push_back(HadronM);
320 SumMass += Output->operator[](cHadron) 347 SumMass += Output->operator[](cHadron)->Get4Momentum().mag(); //GetDefinition()->GetPDGMass();
321 } 348 }
322 349
323 #ifdef debug_G4ExcitedStringCorr 350 #ifdef debug_G4ExcitedStringCorr
324 G4cout<<"Sum part mom "<<SumMom<<" "<<SumM 351 G4cout<<"Sum part mom "<<SumMom<<" "<<SumMom.mag()<<G4endl
325 <<"Sum str mom "<<TotalCollisionMom 352 <<"Sum str mom "<<TotalCollisionMom<<" "<<TotalCollisionMom.mag()<<G4endl;
326 G4cout<<"SumMass TotalCollisionMass "<<Sum 353 G4cout<<"SumMass TotalCollisionMass "<<SumMass<<" "<<TotalCollisionMass<<G4endl;
327 #endif 354 #endif
328 355
329 // Cannot correct a single particle 356 // Cannot correct a single particle
330 if (Output->size() < 2) return FALSE; 357 if (Output->size() < 2) return FALSE;
331 358
332 if (SumMass > TotalCollisionMass) return F 359 if (SumMass > TotalCollisionMass) return FALSE;
333 SumMass = SumMom.m2(); 360 SumMass = SumMom.m2();
334 if (SumMass < 0) return FALSE; 361 if (SumMass < 0) return FALSE;
335 SumMass = std::sqrt(SumMass); 362 SumMass = std::sqrt(SumMass);
336 363
337 // Compute c.m.s. hadron velocity and boos 364 // Compute c.m.s. hadron velocity and boost KTV to hadron c.m.s.
338 // G4ThreeVector Beta = -SumMom.boostVecto 365 // G4ThreeVector Beta = -SumMom.boostVector();
339 G4ThreeVector Beta = -TotalCollisionMom.bo 366 G4ThreeVector Beta = -TotalCollisionMom.boostVector();
340 Output->Boost(Beta); 367 Output->Boost(Beta);
341 368
342 // Scale total c.m.s. hadron energy (hadro 369 // Scale total c.m.s. hadron energy (hadron system mass).
343 // It should be equal interaction mass 370 // It should be equal interaction mass
344 G4double Scale = 1; 371 G4double Scale = 1;
345 G4int cAttempt = 0; 372 G4int cAttempt = 0;
346 G4double Sum = 0; 373 G4double Sum = 0;
347 G4bool success = false; 374 G4bool success = false;
348 for (cAttempt = 0; cAttempt < nAttemptScal 375 for (cAttempt = 0; cAttempt < nAttemptScale; cAttempt++)
349 { 376 {
350 Sum = 0; 377 Sum = 0;
351 for (cHadron = 0; cHadron < Output->size 378 for (cHadron = 0; cHadron < Output->size(); cHadron++)
352 { 379 {
353 HadronM = HadronMass.at(cHadron); 380 HadronM = HadronMass.at(cHadron);
354 G4LorentzVector HadronMom = Output->op 381 G4LorentzVector HadronMom = Output->operator[](cHadron)->Get4Momentum();
355 HadronMom.setVect(Scale*HadronMom.vect 382 HadronMom.setVect(Scale*HadronMom.vect());
356 G4double E = std::sqrt(HadronMom.vect( 383 G4double E = std::sqrt(HadronMom.vect().mag2() + sqr(HadronM));
357 384 //sqr(Output->operator[](cHadron)->GetDefinition()->GetPDGMass()));
358 HadronMom.setE(E); 385 HadronMom.setE(E);
359 Output->operator[](cHadron)->Set4Momen 386 Output->operator[](cHadron)->Set4Momentum(HadronMom);
360 Sum += E; 387 Sum += E;
361 } 388 }
362 Scale = TotalCollisionMass/Sum; 389 Scale = TotalCollisionMass/Sum;
363 #ifdef debug_G4ExcitedStringCorr 390 #ifdef debug_G4ExcitedStringCorr
364 G4cout << "Scale-1=" << Scale -1 391 G4cout << "Scale-1=" << Scale -1
365 << ", TotalCollisionMass=" << To 392 << ", TotalCollisionMass=" << TotalCollisionMass
366 << ", Sum=" << Sum 393 << ", Sum=" << Sum
367 << G4endl; 394 << G4endl;
368 #endif 395 #endif
369 if (std::fabs(Scale - 1) <= ErrLimit) 396 if (std::fabs(Scale - 1) <= ErrLimit)
370 { 397 {
371 success = true; 398 success = true;
372 break; 399 break;
373 } 400 }
374 } 401 }
375 402
376 #ifdef debug_G4ExcitedStringCorr 403 #ifdef debug_G4ExcitedStringCorr
377 if (!success) 404 if (!success)
378 { 405 {
379 G4cout << "G4ExcitedStringDecay::EnergyA 406 G4cout << "G4ExcitedStringDecay::EnergyAndMomentumCorrector - Warning"<<G4endl;
380 G4cout << " Scale not unity at end of 407 G4cout << " Scale not unity at end of iteration loop: "<<TotalCollisionMass<<" "<<Sum<<" "<<Scale<<G4endl;
381 G4cout << " Number of secondaries: " < 408 G4cout << " Number of secondaries: " << Output->size() << G4endl;
382 G4cout << " Wanted total energy: " << 409 G4cout << " Wanted total energy: " << TotalCollisionMom.e() << G4endl;
383 G4cout << " Increase number of attempt 410 G4cout << " Increase number of attempts or increase ERRLIMIT"<<G4endl;
384 // throw G4HadronicException(__FILE__, _ 411 // throw G4HadronicException(__FILE__, __LINE__, "G4ExcitedStringDecay failed to correct...");
385 } 412 }
386 #endif 413 #endif
387 414
388 // Compute c.m.s. interaction velocity and 415 // Compute c.m.s. interaction velocity and KTV back boost
389 Beta = TotalCollisionMom.boostVector(); 416 Beta = TotalCollisionMom.boostVector();
390 Output->Boost(Beta); 417 Output->Boost(Beta);
391 418
392 return success; 419 return success;
393 } 420 }
394 421
395 422