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4c039060 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* | |
17 | $Log$ | |
6e91f0e6 | 18 | Revision 1.66 2002/12/09 08:22:56 morsch |
19 | UA1 jet finder (Pycell) for software triggering added. | |
20 | ||
4af58cc6 | 21 | Revision 1.65 2002/11/19 08:57:10 morsch |
22 | Configuration of pt-kick added. | |
23 | ||
02a13f3d | 24 | Revision 1.64 2002/11/15 00:43:06 morsch |
25 | Changes for kPyJets | |
26 | - initial and final state g-radiation + pt-kick default | |
27 | - trigger based on parton clusters (using pyclus) | |
28 | - trigger jets are stored in header. | |
29 | ||
cc363573 | 30 | Revision 1.63 2002/10/14 14:55:35 hristov |
31 | Merging the VirtualMC branch to the main development branch (HEAD) | |
32 | ||
b9d0a01d | 33 | Revision 1.52.4.4 2002/10/10 16:40:08 hristov |
34 | Updating VirtualMC to v3-09-02 | |
35 | ||
36 | Revision 1.62 2002/09/24 10:00:01 morsch | |
37 | CheckTrigger() corrected. | |
38 | ||
6ae1960b | 39 | Revision 1.61 2002/07/30 09:52:38 morsch |
40 | Call SetGammaPhiRange() and SetGammaEtaRange() in the constructor. | |
41 | ||
a7f29b20 | 42 | Revision 1.60 2002/07/19 14:49:03 morsch |
43 | Typo corrected. | |
44 | ||
438003bb | 45 | Revision 1.59 2002/07/19 14:35:36 morsch |
46 | Count total number of trials. Print mean Q, x1, x2. | |
47 | ||
8a8f459f | 48 | Revision 1.58 2002/07/17 10:04:09 morsch |
49 | SetYHard method added. | |
50 | ||
35967770 | 51 | Revision 1.57 2002/05/22 13:22:53 morsch |
52 | Process kPyMbNonDiffr added. | |
53 | ||
5f42cc16 | 54 | Revision 1.56 2002/04/26 10:30:01 morsch |
55 | Option kPyBeautyPbMNR added. (N. Carrer). | |
56 | ||
c0acde67 | 57 | Revision 1.55 2002/04/17 10:23:56 morsch |
58 | Coding Rule violations corrected. | |
59 | ||
6d4dd317 | 60 | Revision 1.54 2002/03/28 11:49:10 morsch |
61 | Pass status code in SetTrack. | |
62 | ||
5ec84200 | 63 | Revision 1.53 2002/03/25 14:51:13 morsch |
64 | New stack-fill and count options introduced (N. Carrer). | |
65 | ||
0d7c70a0 | 66 | Revision 1.51 2002/03/06 08:46:57 morsch |
67 | - Loop until np-1 | |
68 | - delete dyn. alloc. arrays (N. Carrer) | |
69 | ||
b9817493 | 70 | Revision 1.50 2002/03/03 13:48:50 morsch |
71 | Option kPyCharmPbMNR added. Produce charm pairs in agreement with MNR | |
72 | NLO calculations (Nicola Carrer). | |
73 | ||
fbd1348b | 74 | Revision 1.49 2002/02/08 16:50:50 morsch |
75 | Add name and title in constructor. | |
76 | ||
8b31bfac | 77 | Revision 1.48 2001/12/20 11:44:28 morsch |
78 | Add kinematic bias for direct gamma production. | |
79 | ||
b2bb450d | 80 | Revision 1.47 2001/12/19 14:45:00 morsch |
81 | Store number of trials in header. | |
82 | ||
fd8fb861 | 83 | Revision 1.46 2001/12/19 10:36:19 morsch |
84 | Add possibility if jet kinematic biasing. | |
85 | ||
988b118b | 86 | Revision 1.45 2001/11/28 08:06:52 morsch |
87 | Use fMaxLifeTime parameter. | |
88 | ||
8cdfd303 | 89 | Revision 1.44 2001/11/27 13:13:07 morsch |
90 | Maximum lifetime for long-lived particles to be put on the stack is parameter. | |
91 | It can be set via SetMaximumLifetime(..). | |
92 | ||
47fc6bd5 | 93 | Revision 1.43 2001/10/21 18:35:56 hristov |
94 | Several pointers were set to zero in the default constructors to avoid memory management problems | |
95 | ||
2685bf00 | 96 | Revision 1.42 2001/10/15 08:21:55 morsch |
97 | Vertex truncation settings moved to AliGenMC. | |
98 | ||
4c07486d | 99 | Revision 1.41 2001/10/08 08:45:42 morsch |
100 | Possibility of vertex cut added. | |
101 | ||
a0b2b296 | 102 | Revision 1.40 2001/09/25 11:30:23 morsch |
103 | Pass event vertex to header. | |
104 | ||
c5d36e84 | 105 | Revision 1.39 2001/07/27 17:09:36 morsch |
106 | Use local SetTrack, KeepTrack and SetHighWaterMark methods | |
107 | to delegate either to local stack or to stack owned by AliRun. | |
108 | (Piotr Skowronski, A.M.) | |
109 | ||
a99cf51f | 110 | Revision 1.38 2001/07/13 10:58:54 morsch |
111 | - Some coded moved to AliGenMC | |
112 | - Improved handling of secondary vertices. | |
113 | ||
fff02fee | 114 | Revision 1.37 2001/06/28 11:17:28 morsch |
115 | SetEventListRange setter added. Events in specified range are listed for | |
116 | debugging. (Yuri Kharlov) | |
117 | ||
11dfaf8d | 118 | Revision 1.36 2001/03/30 07:05:49 morsch |
119 | Final print-out in finish run. | |
120 | Write parton system for jet-production (preliminary solution). | |
121 | ||
9be6226f | 122 | Revision 1.35 2001/03/09 13:03:40 morsch |
123 | Process_t and Struc_Func_t moved to AliPythia.h | |
124 | ||
f1a48a38 | 125 | Revision 1.34 2001/02/14 15:50:40 hristov |
126 | The last particle in event marked using SetHighWaterMark | |
127 | ||
28adac24 | 128 | Revision 1.33 2001/01/30 09:23:12 hristov |
129 | Streamers removed (R.Brun) | |
130 | ||
a8a6107b | 131 | Revision 1.32 2001/01/26 19:55:51 hristov |
132 | Major upgrade of AliRoot code | |
133 | ||
2ab0c725 | 134 | Revision 1.31 2001/01/17 10:54:31 hristov |
135 | Better protection against FPE | |
136 | ||
0f9e52a3 | 137 | Revision 1.30 2000/12/18 08:55:35 morsch |
138 | Make AliPythia dependent generartors work with new scheme of random number generation | |
139 | ||
3356c022 | 140 | Revision 1.29 2000/12/04 11:22:03 morsch |
141 | Init of sRandom as in 1.15 | |
142 | ||
097ec7c1 | 143 | Revision 1.28 2000/12/02 11:41:39 morsch |
144 | Use SetRandom() to initialize random number generator in constructor. | |
145 | ||
1ed25e11 | 146 | Revision 1.27 2000/11/30 20:29:02 morsch |
147 | Initialise static variable sRandom in constructor: sRandom = fRandom; | |
148 | ||
ad1df918 | 149 | Revision 1.26 2000/11/30 07:12:50 alibrary |
150 | Introducing new Rndm and QA classes | |
151 | ||
65fb704d | 152 | Revision 1.25 2000/10/18 19:11:27 hristov |
153 | Division by zero fixed | |
154 | ||
919c2096 | 155 | Revision 1.24 2000/09/18 10:41:35 morsch |
156 | Add possibility to use nuclear structure functions from PDF library V8. | |
157 | ||
811826d8 | 158 | Revision 1.23 2000/09/14 14:05:40 morsch |
159 | dito | |
160 | ||
819f84ad | 161 | Revision 1.22 2000/09/14 14:02:22 morsch |
162 | - Correct conversion from mm to cm when passing particle vertex to MC. | |
163 | - Correct handling of fForceDecay == all. | |
164 | ||
4451ef92 | 165 | Revision 1.21 2000/09/12 14:14:55 morsch |
166 | Call fDecayer->ForceDecay() at the beginning of Generate(). | |
167 | ||
00d6ce7d | 168 | Revision 1.20 2000/09/06 14:29:33 morsch |
169 | Use AliPythia for event generation an AliDecayPythia for decays. | |
170 | Correct handling of "nodecay" option | |
171 | ||
18edb254 | 172 | Revision 1.19 2000/07/11 18:24:56 fca |
173 | Coding convention corrections + few minor bug fixes | |
174 | ||
aee8290b | 175 | Revision 1.18 2000/06/30 12:40:34 morsch |
176 | Pythia takes care of vertex smearing. Correct conversion from Pythia units (mm) to | |
177 | Geant units (cm). | |
178 | ||
1512e357 | 179 | Revision 1.17 2000/06/09 20:34:07 morsch |
180 | All coding rule violations except RS3 corrected | |
181 | ||
f87cfe57 | 182 | Revision 1.16 2000/05/15 15:04:20 morsch |
183 | The full event is written for fNtrack = -1 | |
184 | Coding rule violations corrected. | |
185 | ||
5ddeb374 | 186 | Revision 1.15 2000/04/26 10:14:24 morsch |
187 | Particles array has one entry more than pythia particle list. Upper bound of | |
188 | particle loop changed to np-1 (R. Guernane, AM) | |
189 | ||
2a0e6f5b | 190 | Revision 1.14 2000/04/05 08:36:13 morsch |
191 | Check status code of particles in Pythia event | |
192 | to avoid double counting as partonic state and final state particle. | |
193 | ||
23211d3e | 194 | Revision 1.13 1999/11/09 07:38:48 fca |
195 | Changes for compatibility with version 2.23 of ROOT | |
196 | ||
084c1b4a | 197 | Revision 1.12 1999/11/03 17:43:20 fca |
198 | New version from G.Martinez & A.Morsch | |
199 | ||
886b6f73 | 200 | Revision 1.11 1999/09/29 09:24:14 fca |
201 | Introduction of the Copyright and cvs Log | |
4c039060 | 202 | */ |
203 | ||
6d4dd317 | 204 | // |
205 | // Generator using the TPythia interface (via AliPythia) | |
206 | // to generate pp collisions. | |
207 | // Using SetNuclei() also nuclear modifications to the structure functions | |
208 | // can be taken into account. This makes, of course, only sense for the | |
209 | // generation of the products of hard processes (heavy flavor, jets ...) | |
210 | // | |
211 | // andreas.morsch@cern.ch | |
212 | // | |
213 | ||
214 | ||
fe4da5cc | 215 | #include "AliGenPythia.h" |
fff02fee | 216 | #include "AliGenPythiaEventHeader.h" |
18edb254 | 217 | #include "AliDecayerPythia.h" |
fe4da5cc | 218 | #include "AliRun.h" |
219 | #include "AliPythia.h" | |
18edb254 | 220 | #include "AliPDG.h" |
cc363573 | 221 | #include "AliConst.h" |
1578254f | 222 | #include <TParticle.h> |
18edb254 | 223 | #include <TSystem.h> |
cc363573 | 224 | #include <TTree.h> |
225 | #include <TDatabasePDG.h> | |
f87cfe57 | 226 | |
fe4da5cc | 227 | ClassImp(AliGenPythia) |
228 | ||
229 | AliGenPythia::AliGenPythia() | |
fff02fee | 230 | :AliGenMC() |
fe4da5cc | 231 | { |
18edb254 | 232 | // Default Constructor |
2685bf00 | 233 | fParticles = 0; |
234 | fPythia = 0; | |
988b118b | 235 | fDecayer = new AliDecayerPythia(); |
11dfaf8d | 236 | SetEventListRange(); |
988b118b | 237 | SetJetPhiRange(); |
238 | SetJetEtaRange(); | |
cc363573 | 239 | SetJetEtRange(); |
a7f29b20 | 240 | SetGammaPhiRange(); |
241 | SetGammaEtaRange(); | |
02a13f3d | 242 | SetPtKick(); |
fe4da5cc | 243 | } |
244 | ||
245 | AliGenPythia::AliGenPythia(Int_t npart) | |
fff02fee | 246 | :AliGenMC(npart) |
fe4da5cc | 247 | { |
248 | // default charm production at 5. 5 TeV | |
249 | // semimuonic decay | |
250 | // structure function GRVHO | |
251 | // | |
8b31bfac | 252 | fName = "Pythia"; |
253 | fTitle= "Particle Generator using PYTHIA"; | |
fe4da5cc | 254 | fXsection = 0.; |
811826d8 | 255 | fNucA1=0; |
256 | fNucA2=0; | |
fe4da5cc | 257 | SetProcess(); |
258 | SetStrucFunc(); | |
886b6f73 | 259 | SetForceDecay(); |
fe4da5cc | 260 | SetPtHard(); |
8a8f459f | 261 | SetYHard(); |
fe4da5cc | 262 | SetEnergyCMS(); |
18edb254 | 263 | fDecayer = new AliDecayerPythia(); |
1ed25e11 | 264 | // Set random number generator |
097ec7c1 | 265 | sRandom=fRandom; |
fff02fee | 266 | fFlavorSelect = 0; |
267 | // Produced particles | |
268 | fParticles = new TClonesArray("TParticle",1000); | |
c5d36e84 | 269 | fEventVertex.Set(3); |
988b118b | 270 | SetEventListRange(); |
271 | SetJetPhiRange(); | |
272 | SetJetEtaRange(); | |
cc363573 | 273 | SetJetEtRange(); |
a7f29b20 | 274 | SetGammaPhiRange(); |
275 | SetGammaEtaRange(); | |
6e91f0e6 | 276 | SetJetReconstructionMode(); |
02a13f3d | 277 | SetPtKick(); |
719b6b8a | 278 | // Options determining what to keep in the stack (Heavy flavour generation) |
279 | fStackFillOpt = kFlavorSelection; // Keep particle with selected flavor | |
280 | fFeedDownOpt = kTRUE; // allow feed down from higher family | |
281 | // Fragmentation on/off | |
282 | fFragmentation = kTRUE; | |
283 | // Default counting mode | |
284 | fCountMode = kCountAll; | |
fe4da5cc | 285 | } |
286 | ||
f87cfe57 | 287 | AliGenPythia::AliGenPythia(const AliGenPythia & Pythia) |
288 | { | |
289 | // copy constructor | |
6d4dd317 | 290 | Pythia.Copy(*this); |
f87cfe57 | 291 | } |
292 | ||
fe4da5cc | 293 | AliGenPythia::~AliGenPythia() |
294 | { | |
5ddeb374 | 295 | // Destructor |
fe4da5cc | 296 | } |
297 | ||
11dfaf8d | 298 | void AliGenPythia::SetEventListRange(Int_t eventFirst, Int_t eventLast) |
299 | { | |
300 | // Set a range of event numbers, for which a table | |
301 | // of generated particle will be printed | |
302 | fDebugEventFirst = eventFirst; | |
303 | fDebugEventLast = eventLast; | |
304 | if (fDebugEventLast==-1) fDebugEventLast=fDebugEventFirst; | |
305 | } | |
306 | ||
fe4da5cc | 307 | void AliGenPythia::Init() |
308 | { | |
5ddeb374 | 309 | // Initialisation |
cc363573 | 310 | |
311 | SetMC(AliPythia::Instance()); | |
fe4da5cc | 312 | fPythia=(AliPythia*) fgMCEvGen; |
313 | // | |
314 | fParentWeight=1./Float_t(fNpart); | |
315 | // | |
316 | // Forward Paramters to the AliPythia object | |
00d6ce7d | 317 | fDecayer->SetForceDecay(fForceDecay); |
18edb254 | 318 | fDecayer->Init(); |
00d6ce7d | 319 | |
18edb254 | 320 | |
fe4da5cc | 321 | fPythia->SetCKIN(3,fPtHardMin); |
35967770 | 322 | fPythia->SetCKIN(4,fPtHardMax); |
323 | fPythia->SetCKIN(7,fYHardMin); | |
324 | fPythia->SetCKIN(8,fYHardMax); | |
325 | ||
811826d8 | 326 | if (fNucA1 > 0 && fNucA2 > 0) fPythia->SetNuclei(fNucA1, fNucA2); |
719b6b8a | 327 | // Fragmentation? |
328 | if (fFragmentation) { | |
329 | fPythia->SetMSTP(111,1); | |
330 | } else { | |
331 | fPythia->SetMSTP(111,0); | |
332 | } | |
333 | ||
18edb254 | 334 | |
cc363573 | 335 | // initial state radiation |
336 | fPythia->SetMSTP(61,fGinit); | |
337 | // final state radiation | |
338 | fPythia->SetMSTP(71,fGfinal); | |
02a13f3d | 339 | // pt - kick |
340 | if (fPtKick > 0.) { | |
341 | fPythia->SetMSTP(91,1); | |
342 | fPythia->SetPARP(91,fPtKick); | |
343 | } else { | |
344 | fPythia->SetMSTP(91,0); | |
345 | } | |
4af58cc6 | 346 | |
347 | // fPythia->SetMSTJ(1,2); | |
02a13f3d | 348 | // |
4af58cc6 | 349 | fPythia->ProcInit(fProcess,fEnergyCMS,fStrucFunc); |
350 | ||
fe4da5cc | 351 | // Parent and Children Selection |
352 | switch (fProcess) | |
353 | { | |
f1a48a38 | 354 | case kPyCharm: |
f1a48a38 | 355 | case kPyCharmUnforced: |
fbd1348b | 356 | case kPyCharmPbMNR: |
b2bb450d | 357 | fParentSelect[0] = 411; |
358 | fParentSelect[1] = 421; | |
359 | fParentSelect[2] = 431; | |
360 | fParentSelect[3] = 4122; | |
8b31bfac | 361 | fFlavorSelect = 4; |
fe4da5cc | 362 | break; |
719b6b8a | 363 | case kPyD0PbMNR: |
364 | fParentSelect[0] = 421; | |
5f42cc16 | 365 | fFlavorSelect = 4; |
719b6b8a | 366 | break; |
f1a48a38 | 367 | case kPyBeauty: |
c0acde67 | 368 | case kPyBeautyPbMNR: |
fff02fee | 369 | fParentSelect[0]= 511; |
370 | fParentSelect[1]= 521; | |
371 | fParentSelect[2]= 531; | |
372 | fParentSelect[3]= 5122; | |
373 | fParentSelect[4]= 5132; | |
374 | fParentSelect[5]= 5232; | |
375 | fParentSelect[6]= 5332; | |
376 | fFlavorSelect = 5; | |
fe4da5cc | 377 | break; |
f1a48a38 | 378 | case kPyBeautyUnforced: |
fff02fee | 379 | fParentSelect[0] = 511; |
380 | fParentSelect[1] = 521; | |
381 | fParentSelect[2] = 531; | |
382 | fParentSelect[3] = 5122; | |
383 | fParentSelect[4] = 5132; | |
384 | fParentSelect[5] = 5232; | |
385 | fParentSelect[6] = 5332; | |
386 | fFlavorSelect = 5; | |
fe4da5cc | 387 | break; |
f1a48a38 | 388 | case kPyJpsiChi: |
389 | case kPyJpsi: | |
fff02fee | 390 | fParentSelect[0] = 443; |
fe4da5cc | 391 | break; |
f1a48a38 | 392 | case kPyMb: |
5f42cc16 | 393 | case kPyMbNonDiffr: |
f1a48a38 | 394 | case kPyJets: |
395 | case kPyDirectGamma: | |
5be1fe76 | 396 | break; |
fe4da5cc | 397 | } |
8a8f459f | 398 | // |
399 | // This counts the total number of calls to Pyevnt() per run. | |
400 | fTrialsRun = 0; | |
401 | fQ = 0.; | |
402 | fX1 = 0.; | |
403 | fX2 = 0.; | |
438003bb | 404 | fNev = 0 ; |
8a8f459f | 405 | // |
fff02fee | 406 | AliGenMC::Init(); |
fe4da5cc | 407 | } |
408 | ||
409 | void AliGenPythia::Generate() | |
410 | { | |
5ddeb374 | 411 | // Generate one event |
00d6ce7d | 412 | fDecayer->ForceDecay(); |
a0b2b296 | 413 | |
9be6226f | 414 | Float_t polar[3] = {0,0,0}; |
415 | Float_t origin[3] = {0,0,0}; | |
fff02fee | 416 | Float_t p[3]; |
5be1fe76 | 417 | // converts from mm/c to s |
418 | const Float_t kconv=0.001/2.999792458e8; | |
fe4da5cc | 419 | // |
fe4da5cc | 420 | Int_t nt=0; |
421 | Int_t jev=0; | |
7921755b | 422 | Int_t j, kf; |
fe4da5cc | 423 | fTrials=0; |
fff02fee | 424 | |
fd8fb861 | 425 | // Set collision vertex position |
aee8290b | 426 | if(fVertexSmear==kPerEvent) { |
1512e357 | 427 | fPythia->SetMSTP(151,1); |
fe4da5cc | 428 | for (j=0;j<3;j++) { |
fff02fee | 429 | fPythia->SetPARP(151+j, fOsigma[j]*10.); |
fe4da5cc | 430 | } |
aee8290b | 431 | } else if (fVertexSmear==kPerTrack) { |
fe4da5cc | 432 | fPythia->SetMSTP(151,0); |
fe4da5cc | 433 | } |
fff02fee | 434 | // event loop |
fe4da5cc | 435 | while(1) |
436 | { | |
084c1b4a | 437 | fPythia->Pyevnt(); |
11dfaf8d | 438 | if (gAlice->GetEvNumber()>=fDebugEventFirst && |
439 | gAlice->GetEvNumber()<=fDebugEventLast) fPythia->Pylist(1); | |
fe4da5cc | 440 | fTrials++; |
47fc6bd5 | 441 | |
fff02fee | 442 | fPythia->ImportParticles(fParticles,"All"); |
443 | ||
444 | // | |
445 | // | |
446 | // | |
447 | Int_t i; | |
448 | ||
449 | Int_t np = fParticles->GetEntriesFast(); | |
a0b2b296 | 450 | if (np == 0 ) continue; |
451 | // Get event vertex and discard the event if the Z coord. is too big | |
4c07486d | 452 | TParticle *iparticle = (TParticle *) fParticles->At(0); |
453 | Float_t distz = iparticle->Vz()/10.; | |
454 | if(TMath::Abs(distz)>fCutVertexZ*fOsigma[2]) continue; | |
a0b2b296 | 455 | // |
4c07486d | 456 | fEventVertex[0] = iparticle->Vx()/10.+fOrigin.At(0); |
457 | fEventVertex[1] = iparticle->Vy()/10.+fOrigin.At(1); | |
458 | fEventVertex[2] = iparticle->Vz()/10.+fOrigin.At(2); | |
a0b2b296 | 459 | // |
fff02fee | 460 | Int_t* pParent = new Int_t[np]; |
461 | Int_t* pSelected = new Int_t[np]; | |
462 | Int_t* trackIt = new Int_t[np]; | |
b9817493 | 463 | for (i=0; i< np; i++) { |
fff02fee | 464 | pParent[i] = -1; |
465 | pSelected[i] = 0; | |
719b6b8a | 466 | trackIt[i] = 0; |
fff02fee | 467 | } |
8a8f459f | 468 | |
719b6b8a | 469 | Int_t nc = 0; // Total n. of selected particles |
470 | Int_t nParents = 0; // Selected parents | |
471 | Int_t nTkbles = 0; // Trackable particles | |
a7f29b20 | 472 | if (fProcess != kPyMb && fProcess != kPyJets && |
473 | fProcess != kPyDirectGamma && | |
5f42cc16 | 474 | fProcess != kPyMbNonDiffr) { |
fd8fb861 | 475 | |
b9817493 | 476 | for (i = 0; i<np; i++) { |
c5d36e84 | 477 | iparticle = (TParticle *) fParticles->At(i); |
23211d3e | 478 | Int_t ks = iparticle->GetStatusCode(); |
a8228d85 | 479 | kf = CheckPDGCode(iparticle->GetPdgCode()); |
fff02fee | 480 | // No initial state partons |
2a0e6f5b | 481 | if (ks==21) continue; |
fe4da5cc | 482 | // |
fff02fee | 483 | // Heavy Flavor Selection |
5be1fe76 | 484 | // |
fff02fee | 485 | // quark ? |
486 | kf = TMath::Abs(kf); | |
487 | Int_t kfl = kf; | |
488 | // meson ? | |
489 | if (kfl > 10) kfl/=100; | |
490 | // baryon | |
491 | if (kfl > 10) kfl/=10; | |
492 | if (kfl > 10) kfl/=10; | |
493 | ||
494 | Int_t ipa = iparticle->GetFirstMother()-1; | |
495 | Int_t kfMo = 0; | |
496 | ||
497 | if (ipa > -1) { | |
498 | TParticle * mother = (TParticle *) fParticles->At(ipa); | |
499 | kfMo = TMath::Abs(mother->GetPdgCode()); | |
500 | } | |
719b6b8a | 501 | // What to keep in Stack? |
502 | Bool_t flavorOK = kFALSE; | |
503 | Bool_t selectOK = kFALSE; | |
504 | if (fFeedDownOpt) { | |
505 | if (kfl >= fFlavorSelect) flavorOK = kTRUE; | |
506 | } else { | |
507 | if (kfl > fFlavorSelect) { | |
508 | nc = -1; | |
509 | break; | |
510 | } | |
511 | if (kfl == fFlavorSelect) flavorOK = kTRUE; | |
512 | } | |
513 | switch (fStackFillOpt) { | |
514 | case kFlavorSelection: | |
515 | selectOK = kTRUE; | |
516 | break; | |
517 | case kParentSelection: | |
518 | if (ParentSelected(kf) || kf <= 10) selectOK = kTRUE; | |
519 | break; | |
520 | } | |
521 | if (flavorOK && selectOK) { | |
5be1fe76 | 522 | // |
fff02fee | 523 | // Heavy flavor hadron or quark |
fe4da5cc | 524 | // |
fff02fee | 525 | // Kinematic seletion on final state heavy flavor mesons |
526 | if (ParentSelected(kf) && !KinematicSelection(iparticle, 0)) | |
527 | { | |
719b6b8a | 528 | continue; |
fff02fee | 529 | } |
530 | pSelected[i] = 1; | |
719b6b8a | 531 | if (ParentSelected(kf)) ++nParents; // Update parent count |
fff02fee | 532 | // printf("\n particle (HF) %d %d %d", i, pSelected[i], kf); |
533 | } else { | |
534 | // Kinematic seletion on decay products | |
535 | if (fCutOnChild && ParentSelected(kfMo) && ChildSelected(kf) | |
536 | && !KinematicSelection(iparticle, 1)) | |
537 | { | |
719b6b8a | 538 | continue; |
fff02fee | 539 | } |
fe4da5cc | 540 | // |
fff02fee | 541 | // Decay products |
542 | // Select if mother was selected and is not tracked | |
543 | ||
544 | if (pSelected[ipa] && | |
545 | !trackIt[ipa] && // mother will be tracked ? | |
546 | kfMo != 5 && // mother is b-quark, don't store fragments | |
547 | kfMo != 4 && // mother is c-quark, don't store fragments | |
548 | kf != 92) // don't store string | |
549 | { | |
fe4da5cc | 550 | // |
fff02fee | 551 | // Semi-stable or de-selected: diselect decay products: |
fe4da5cc | 552 | // |
5be1fe76 | 553 | // |
47fc6bd5 | 554 | if (pSelected[i] == -1 || fDecayer->GetLifetime(kf) > fMaxLifeTime) |
fff02fee | 555 | { |
556 | Int_t ipF = iparticle->GetFirstDaughter(); | |
557 | Int_t ipL = iparticle->GetLastDaughter(); | |
558 | if (ipF > 0) for (j = ipF-1; j < ipL; j++) pSelected[j] = -1; | |
559 | } | |
560 | // printf("\n particle (decay) %d %d %d", i, pSelected[i], kf); | |
561 | pSelected[i] = (pSelected[i] == -1) ? 0 : 1; | |
562 | } | |
563 | } | |
564 | if (pSelected[i] == -1) pSelected[i] = 0; | |
565 | if (!pSelected[i]) continue; | |
719b6b8a | 566 | // Count quarks only if you did not include fragmentation |
567 | if (fFragmentation && kf <= 10) continue; | |
fff02fee | 568 | nc++; |
569 | // Decision on tracking | |
570 | trackIt[i] = 0; | |
571 | // | |
572 | // Track final state particle | |
573 | if (ks == 1) trackIt[i] = 1; | |
574 | // Track semi-stable particles | |
8cdfd303 | 575 | if ((ks ==1) || (fDecayer->GetLifetime(kf) > fMaxLifeTime)) trackIt[i] = 1; |
fff02fee | 576 | // Track particles selected by process if undecayed. |
577 | if (fForceDecay == kNoDecay) { | |
578 | if (ParentSelected(kf)) trackIt[i] = 1; | |
579 | } else { | |
580 | if (ParentSelected(kf)) trackIt[i] = 0; | |
581 | } | |
719b6b8a | 582 | if (trackIt[i] == 1) ++nTkbles; // Update trackable counter |
fff02fee | 583 | // |
584 | // | |
585 | ||
586 | } // particle selection loop | |
719b6b8a | 587 | if (nc > 0) { |
b9817493 | 588 | for (i = 0; i<np; i++) { |
fff02fee | 589 | if (!pSelected[i]) continue; |
590 | TParticle * iparticle = (TParticle *) fParticles->At(i); | |
591 | kf = CheckPDGCode(iparticle->GetPdgCode()); | |
5ec84200 | 592 | Int_t ks = iparticle->GetStatusCode(); |
a0b2b296 | 593 | p[0] = iparticle->Px(); |
594 | p[1] = iparticle->Py(); | |
595 | p[2] = iparticle->Pz(); | |
596 | origin[0] = fOrigin[0]+iparticle->Vx()/10.; | |
597 | origin[1] = fOrigin[1]+iparticle->Vy()/10.; | |
598 | origin[2] = fOrigin[2]+iparticle->Vz()/10.; | |
599 | Float_t tof = kconv*iparticle->T(); | |
600 | Int_t ipa = iparticle->GetFirstMother()-1; | |
fff02fee | 601 | Int_t iparent = (ipa > -1) ? pParent[ipa] : -1; |
a99cf51f | 602 | SetTrack(fTrackIt*trackIt[i] , |
5ec84200 | 603 | iparent, kf, p, origin, polar, tof, kPPrimary, nt, 1., ks); |
fff02fee | 604 | pParent[i] = nt; |
a99cf51f | 605 | KeepTrack(nt); |
fff02fee | 606 | } // SetTrack loop |
607 | } | |
608 | } else { | |
609 | nc = GenerateMB(); | |
5be1fe76 | 610 | } // mb ? |
fff02fee | 611 | |
b9817493 | 612 | if (pParent) delete[] pParent; |
613 | if (pSelected) delete[] pSelected; | |
614 | if (trackIt) delete[] trackIt; | |
615 | ||
fe4da5cc | 616 | if (nc > 0) { |
719b6b8a | 617 | switch (fCountMode) { |
618 | case kCountAll: | |
619 | // printf(" Count all \n"); | |
620 | jev += nc; | |
621 | break; | |
622 | case kCountParents: | |
623 | // printf(" Count parents \n"); | |
624 | jev += nParents; | |
625 | break; | |
626 | case kCountTrackables: | |
627 | // printf(" Count trackable \n"); | |
628 | jev += nTkbles; | |
629 | break; | |
630 | } | |
5ddeb374 | 631 | if (jev >= fNpart || fNpart == -1) { |
fe4da5cc | 632 | fKineBias=Float_t(fNpart)/Float_t(fTrials); |
23211d3e | 633 | printf("\n Trials: %i %i %i\n",fTrials, fNpart, jev); |
8a8f459f | 634 | |
635 | fQ += fPythia->GetVINT(51); | |
636 | fX1 += fPythia->GetVINT(41); | |
637 | fX2 += fPythia->GetVINT(42); | |
638 | fTrialsRun += fTrials; | |
639 | fNev++; | |
fd8fb861 | 640 | MakeHeader(); |
fe4da5cc | 641 | break; |
642 | } | |
643 | } | |
644 | } // event loop | |
a99cf51f | 645 | SetHighWaterMark(nt); |
fe4da5cc | 646 | // adjust weight due to kinematic selection |
647 | AdjustWeights(); | |
648 | // get cross-section | |
649 | fXsection=fPythia->GetPARI(1); | |
650 | } | |
651 | ||
fff02fee | 652 | Int_t AliGenPythia::GenerateMB() |
fe4da5cc | 653 | { |
5ec84200 | 654 | // |
655 | // Min Bias selection and other global selections | |
656 | // | |
fff02fee | 657 | Int_t i, kf, nt, iparent; |
658 | Int_t nc = 0; | |
659 | Float_t p[3]; | |
660 | Float_t polar[3] = {0,0,0}; | |
661 | Float_t origin[3] = {0,0,0}; | |
fff02fee | 662 | // converts from mm/c to s |
663 | const Float_t kconv=0.001/2.999792458e8; | |
4451ef92 | 664 | |
fff02fee | 665 | Int_t np = fParticles->GetEntriesFast(); |
666 | Int_t* pParent = new Int_t[np]; | |
b9817493 | 667 | for (i=0; i< np; i++) pParent[i] = -1; |
b2bb450d | 668 | if (fProcess == kPyJets || fProcess == kPyDirectGamma) { |
988b118b | 669 | TParticle* jet1 = (TParticle *) fParticles->At(6); |
670 | TParticle* jet2 = (TParticle *) fParticles->At(7); | |
671 | if (!CheckTrigger(jet1, jet2)) return 0; | |
672 | } | |
673 | ||
b9817493 | 674 | for (i = 0; i<np; i++) { |
fff02fee | 675 | Int_t trackIt = 0; |
676 | TParticle * iparticle = (TParticle *) fParticles->At(i); | |
677 | kf = CheckPDGCode(iparticle->GetPdgCode()); | |
678 | Int_t ks = iparticle->GetStatusCode(); | |
679 | Int_t km = iparticle->GetFirstMother(); | |
fff02fee | 680 | if ((ks == 1 && kf!=0 && KinematicSelection(iparticle, 0)) || |
681 | (ks != 1) || | |
682 | (fProcess == kPyJets && ks == 21 && km == 0 && i>1)) { | |
683 | nc++; | |
684 | if (ks == 1) trackIt = 1; | |
685 | Int_t ipa = iparticle->GetFirstMother()-1; | |
35967770 | 686 | |
fff02fee | 687 | iparent = (ipa > -1) ? pParent[ipa] : -1; |
35967770 | 688 | |
fe4da5cc | 689 | // |
fff02fee | 690 | // store track information |
a0b2b296 | 691 | p[0] = iparticle->Px(); |
692 | p[1] = iparticle->Py(); | |
693 | p[2] = iparticle->Pz(); | |
694 | origin[0] = fOrigin[0]+iparticle->Vx()/10.; | |
695 | origin[1] = fOrigin[1]+iparticle->Vy()/10.; | |
696 | origin[2] = fOrigin[2]+iparticle->Vz()/10.; | |
fff02fee | 697 | Float_t tof=kconv*iparticle->T(); |
a99cf51f | 698 | SetTrack(fTrackIt*trackIt, iparent, kf, p, origin, polar, |
35967770 | 699 | tof, kPPrimary, nt, 1., ks); |
a99cf51f | 700 | KeepTrack(nt); |
fff02fee | 701 | pParent[i] = nt; |
702 | } // select particle | |
703 | } // particle loop | |
704 | ||
705 | if (pParent) delete[] pParent; | |
fe4da5cc | 706 | |
fff02fee | 707 | printf("\n I've put %i particles on the stack \n",nc); |
fff02fee | 708 | return nc; |
709 | } | |
fe4da5cc | 710 | |
fe4da5cc | 711 | |
fff02fee | 712 | void AliGenPythia::FinishRun() |
713 | { | |
714 | // Print x-section summary | |
715 | fPythia->Pystat(1); | |
8a8f459f | 716 | fQ /= fNev; |
717 | fX1 /= fNev; | |
718 | fX2 /= fNev; | |
719 | printf("\nTotal number of Pyevnt() calls %d\n", fTrialsRun); | |
720 | printf("\nMean Q, x1, x2: %f %f %f\n", fQ, fX1, fX2); | |
721 | ||
722 | ||
fe4da5cc | 723 | } |
fff02fee | 724 | |
fe4da5cc | 725 | void AliGenPythia::AdjustWeights() |
726 | { | |
5ddeb374 | 727 | // Adjust the weights after generation of all events |
728 | // | |
5ddeb374 | 729 | TParticle *part; |
fe4da5cc | 730 | Int_t ntrack=gAlice->GetNtrack(); |
731 | for (Int_t i=0; i<ntrack; i++) { | |
2ab0c725 | 732 | part= gAlice->Particle(i); |
5ddeb374 | 733 | part->SetWeight(part->GetWeight()*fKineBias); |
fe4da5cc | 734 | } |
735 | } | |
811826d8 | 736 | |
737 | void AliGenPythia::SetNuclei(Int_t a1, Int_t a2) | |
738 | { | |
739 | // Treat protons as inside nuclei with mass numbers a1 and a2 | |
740 | fNucA1 = a1; | |
741 | fNucA2 = a2; | |
742 | } | |
fff02fee | 743 | |
744 | ||
cc363573 | 745 | void AliGenPythia::MakeHeader() |
fff02fee | 746 | { |
747 | // Builds the event header, to be called after each event | |
748 | AliGenEventHeader* header = new AliGenPythiaEventHeader("Pythia"); | |
cc363573 | 749 | // |
750 | // Event type | |
c5d36e84 | 751 | ((AliGenPythiaEventHeader*) header)->SetProcessType(fPythia->GetMSTI(1)); |
cc363573 | 752 | // |
753 | // Number of trials | |
fd8fb861 | 754 | ((AliGenPythiaEventHeader*) header)->SetTrials(fTrials); |
cc363573 | 755 | // |
756 | // Event Vertex | |
c5d36e84 | 757 | header->SetPrimaryVertex(fEventVertex); |
cc363573 | 758 | // |
759 | // Jets that have triggered | |
760 | if (fProcess == kPyJets) | |
761 | { | |
6e91f0e6 | 762 | Int_t ntrig; |
763 | Float_t jets[4][50]; | |
764 | // GetJets(5., 1, njet, ntrig, jets); | |
765 | RecJetsUA1(0., 4., 10., 0.7, ntrig, jets); | |
766 | ||
cc363573 | 767 | for (Int_t i = 0; i < ntrig; i++) { |
768 | ((AliGenPythiaEventHeader*) header)->AddJet(jets[0][i], jets[1][i], jets[2][i], | |
769 | jets[3][i]); | |
770 | } | |
771 | } | |
c5d36e84 | 772 | gAlice->SetGenEventHeader(header); |
fff02fee | 773 | } |
811826d8 | 774 | |
988b118b | 775 | |
cc363573 | 776 | Bool_t AliGenPythia::CheckTrigger(TParticle* jet1, TParticle* jet2) |
988b118b | 777 | { |
778 | // Check the kinematic trigger condition | |
779 | // | |
b2bb450d | 780 | Double_t eta[2]; |
781 | eta[0] = jet1->Eta(); | |
782 | eta[1] = jet2->Eta(); | |
783 | Double_t phi[2]; | |
784 | phi[0] = jet1->Phi(); | |
785 | phi[1] = jet2->Phi(); | |
786 | Int_t pdg[2]; | |
787 | pdg[0] = jet1->GetPdgCode(); | |
788 | pdg[1] = jet2->GetPdgCode(); | |
988b118b | 789 | Bool_t triggered = kFALSE; |
b2bb450d | 790 | |
791 | if (fProcess == kPyJets) { | |
cc363573 | 792 | Int_t njets = 0; |
793 | Int_t ntrig = 0; | |
794 | Float_t jets[4][10]; | |
795 | // | |
796 | // Use Pythia clustering on parton level to determine jet axis | |
797 | // | |
6e91f0e6 | 798 | GetJets(njets, ntrig, jets); |
799 | ||
cc363573 | 800 | if (ntrig) triggered = kTRUE; |
801 | // | |
b2bb450d | 802 | } else { |
803 | Int_t ij = 0; | |
804 | Int_t ig = 1; | |
805 | if (pdg[0] == kGamma) { | |
806 | ij = 1; | |
807 | ig = 0; | |
808 | } | |
809 | //Check eta range first... | |
810 | if ((eta[ij] < fEtaMaxJet && eta[ij] > fEtaMinJet) && | |
811 | (eta[ig] < fEtaMaxGamma && eta[ig] > fEtaMinGamma)) | |
812 | { | |
813 | //Eta is okay, now check phi range | |
814 | if ((phi[ij] < fPhiMaxJet && phi[ij] > fPhiMinJet) && | |
815 | (phi[ig] < fPhiMaxGamma && phi[ig] > fPhiMinGamma)) | |
816 | { | |
817 | triggered = kTRUE; | |
818 | } | |
819 | } | |
988b118b | 820 | } |
821 | return triggered; | |
822 | } | |
811826d8 | 823 | |
f87cfe57 | 824 | AliGenPythia& AliGenPythia::operator=(const AliGenPythia& rhs) |
825 | { | |
826 | // Assignment operator | |
827 | return *this; | |
828 | } | |
fe4da5cc | 829 | |
cc363573 | 830 | void AliGenPythia::LoadEvent() |
831 | { | |
832 | // | |
833 | // Load event into Pythia Common Block | |
834 | // | |
835 | ||
836 | ||
837 | Int_t npart = (Int_t) (gAlice->TreeK())->GetEntries(); | |
838 | (fPythia->GetPyjets())->N = npart; | |
839 | ||
840 | for (Int_t part = 0; part < npart; part++) { | |
841 | TParticle *MPart = gAlice->Particle(part); | |
842 | Int_t kf = MPart->GetPdgCode(); | |
843 | Int_t ks = MPart->GetStatusCode(); | |
844 | Float_t px = MPart->Px(); | |
845 | Float_t py = MPart->Py(); | |
846 | Float_t pz = MPart->Pz(); | |
847 | Float_t e = MPart->Energy(); | |
848 | Float_t p = TMath::Sqrt(px * px + py * py + pz * pz); | |
849 | Float_t m = TMath::Sqrt(e * e - p * p); | |
850 | ||
851 | ||
852 | (fPythia->GetPyjets())->P[0][part] = px; | |
853 | (fPythia->GetPyjets())->P[1][part] = py; | |
854 | (fPythia->GetPyjets())->P[2][part] = pz; | |
855 | (fPythia->GetPyjets())->P[3][part] = e; | |
856 | (fPythia->GetPyjets())->P[4][part] = m; | |
857 | ||
858 | (fPythia->GetPyjets())->K[1][part] = kf; | |
859 | (fPythia->GetPyjets())->K[0][part] = ks; | |
860 | } | |
861 | } | |
862 | ||
4af58cc6 | 863 | void AliGenPythia::RecJetsUA1(Float_t eCellMin, Float_t eCellSeed, Float_t eMin, Float_t rMax, |
864 | Int_t& njets, Float_t jets [4][50]) | |
865 | { | |
866 | // | |
867 | // Calls the Pythia jet finding algorithm to find jets in the current event | |
868 | // | |
869 | // | |
870 | // Configure detector (EMCAL like) | |
871 | // | |
872 | fPythia->SetPARU(51,2.); | |
873 | fPythia->SetMSTU(51,Int_t(96 * 2./0.7)); | |
874 | fPythia->SetMSTU(52,3 * 144); | |
875 | // | |
876 | // Configure Jet Finder | |
877 | // | |
878 | fPythia->SetPARU(58, eCellMin); | |
879 | fPythia->SetPARU(52, eCellSeed); | |
880 | fPythia->SetPARU(53, eMin); | |
881 | fPythia->SetPARU(54, rMax); | |
882 | fPythia->SetMSTU(54, 2); | |
883 | // | |
884 | // Save jets | |
885 | Int_t n = fPythia->GetN(); | |
886 | ||
887 | // | |
888 | // Run Jet Finder | |
889 | fPythia->Pycell(njets); | |
890 | Int_t i; | |
891 | for (i = 0; i < njets; i++) { | |
892 | Float_t px = (fPythia->GetPyjets())->P[0][n+i]; | |
893 | Float_t py = (fPythia->GetPyjets())->P[1][n+i]; | |
894 | Float_t pz = (fPythia->GetPyjets())->P[2][n+i]; | |
895 | Float_t e = (fPythia->GetPyjets())->P[3][n+i]; | |
6e91f0e6 | 896 | |
4af58cc6 | 897 | jets[0][i] = px; |
898 | jets[1][i] = py; | |
899 | jets[2][i] = pz; | |
900 | jets[3][i] = e; | |
901 | } | |
902 | } | |
903 | ||
cc363573 | 904 | |
6e91f0e6 | 905 | |
906 | void AliGenPythia::GetJets(Int_t& nJets, Int_t& nJetsTrig, Float_t jets[4][10]) | |
cc363573 | 907 | { |
908 | // | |
909 | // Calls the Pythia clustering algorithm to find jets in the current event | |
910 | // | |
911 | Int_t n = fPythia->GetN(); | |
912 | nJets = 0; | |
913 | nJetsTrig = 0; | |
6e91f0e6 | 914 | if (fJetReconstruction == kCluster) { |
cc363573 | 915 | // |
916 | // Configure cluster algorithm | |
917 | // | |
6e91f0e6 | 918 | fPythia->SetPARU(43, 2.); |
919 | fPythia->SetMSTU(41, 1); | |
cc363573 | 920 | // |
921 | // Call cluster algorithm | |
922 | // | |
6e91f0e6 | 923 | fPythia->Pyclus(nJets); |
cc363573 | 924 | // |
925 | // Loading jets from common block | |
926 | // | |
6e91f0e6 | 927 | } else { |
928 | // | |
929 | // Configure detector (EMCAL like) | |
930 | // | |
931 | fPythia->SetPARU(51,2.); | |
932 | fPythia->SetMSTU(51,Int_t(96 * 2./0.7)); | |
933 | fPythia->SetMSTU(52,3 * 144); | |
934 | // | |
935 | // Configure Jet Finder | |
936 | // | |
937 | fPythia->SetPARU(58, 0.0); | |
938 | fPythia->SetPARU(52, 4.0); | |
939 | fPythia->SetPARU(53, 10.0); | |
940 | fPythia->SetPARU(54, 0.7); | |
941 | fPythia->SetMSTU(54, 2); | |
942 | // | |
943 | // Run Jet Finder | |
944 | fPythia->Pycell(nJets); | |
945 | } | |
946 | ||
cc363573 | 947 | Int_t i; |
948 | for (i = 0; i < nJets; i++) { | |
949 | Float_t px = (fPythia->GetPyjets())->P[0][n+i]; | |
950 | Float_t py = (fPythia->GetPyjets())->P[1][n+i]; | |
951 | Float_t pz = (fPythia->GetPyjets())->P[2][n+i]; | |
952 | Float_t e = (fPythia->GetPyjets())->P[3][n+i]; | |
953 | Float_t pt = TMath::Sqrt(px * px + py * py); | |
954 | Float_t phi = TMath::ATan2(py,px); | |
955 | Float_t theta = TMath::ATan2(pt,pz); | |
956 | Float_t et = e * TMath::Sin(theta); | |
957 | Float_t eta = -TMath::Log(TMath::Tan(theta / 2.)); | |
958 | ||
959 | if ( | |
960 | eta > fEtaMinJet && eta < fEtaMaxJet && | |
961 | phi > fPhiMinJet && eta < fPhiMaxJet && | |
962 | et > fEtMinJet && et < fEtMaxJet | |
963 | ) | |
964 | { | |
cc363573 | 965 | jets[0][nJetsTrig] = px; |
966 | jets[1][nJetsTrig] = py; | |
967 | jets[2][nJetsTrig] = pz; | |
968 | jets[3][nJetsTrig] = e; | |
969 | nJetsTrig++; | |
970 | ||
971 | } else { | |
972 | // printf("\n........-Jet #%d: %10.3f %10.3f %10.3f %10.3f \n", i, pt, et, eta, phi * kRaddeg); | |
973 | } | |
974 | } | |
975 | } | |
fe4da5cc | 976 | |
811826d8 | 977 | |
a8a6107b | 978 | #ifdef never |
18edb254 | 979 | void AliGenPythia::Streamer(TBuffer &R__b) |
980 | { | |
981 | // Stream an object of class AliGenPythia. | |
982 | ||
983 | if (R__b.IsReading()) { | |
984 | Version_t R__v = R__b.ReadVersion(); if (R__v) { } | |
985 | AliGenerator::Streamer(R__b); | |
986 | R__b >> (Int_t&)fProcess; | |
987 | R__b >> (Int_t&)fStrucFunc; | |
988 | R__b >> (Int_t&)fForceDecay; | |
989 | R__b >> fEnergyCMS; | |
990 | R__b >> fKineBias; | |
991 | R__b >> fTrials; | |
992 | fParentSelect.Streamer(R__b); | |
993 | fChildSelect.Streamer(R__b); | |
994 | R__b >> fXsection; | |
995 | // (AliPythia::Instance())->Streamer(R__b); | |
996 | R__b >> fPtHardMin; | |
997 | R__b >> fPtHardMax; | |
998 | // if (fDecayer) fDecayer->Streamer(R__b); | |
999 | } else { | |
1000 | R__b.WriteVersion(AliGenPythia::IsA()); | |
1001 | AliGenerator::Streamer(R__b); | |
1002 | R__b << (Int_t)fProcess; | |
1003 | R__b << (Int_t)fStrucFunc; | |
1004 | R__b << (Int_t)fForceDecay; | |
1005 | R__b << fEnergyCMS; | |
1006 | R__b << fKineBias; | |
1007 | R__b << fTrials; | |
1008 | fParentSelect.Streamer(R__b); | |
1009 | fChildSelect.Streamer(R__b); | |
1010 | R__b << fXsection; | |
1011 | // R__b << fPythia; | |
1012 | R__b << fPtHardMin; | |
1013 | R__b << fPtHardMax; | |
1014 | // fDecayer->Streamer(R__b); | |
1015 | } | |
1016 | } | |
a8a6107b | 1017 | #endif |
18edb254 | 1018 |