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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 | $Log$ | |
116cbefd | 18 | Revision 1.68 2002/12/11 09:16:16 morsch |
19 | Use GetJets to fill header. | |
20 | ||
90cb8cdc | 21 | Revision 1.67 2002/12/09 15:24:09 morsch |
22 | Same trigger routine can use Pycell or Pyclus. | |
23 | ||
6e91f0e6 | 24 | Revision 1.66 2002/12/09 08:22:56 morsch |
25 | UA1 jet finder (Pycell) for software triggering added. | |
26 | ||
4af58cc6 | 27 | Revision 1.65 2002/11/19 08:57:10 morsch |
28 | Configuration of pt-kick added. | |
29 | ||
02a13f3d | 30 | Revision 1.64 2002/11/15 00:43:06 morsch |
31 | Changes for kPyJets | |
32 | - initial and final state g-radiation + pt-kick default | |
33 | - trigger based on parton clusters (using pyclus) | |
34 | - trigger jets are stored in header. | |
35 | ||
cc363573 | 36 | Revision 1.63 2002/10/14 14:55:35 hristov |
37 | Merging the VirtualMC branch to the main development branch (HEAD) | |
38 | ||
b9d0a01d | 39 | Revision 1.52.4.4 2002/10/10 16:40:08 hristov |
40 | Updating VirtualMC to v3-09-02 | |
41 | ||
42 | Revision 1.62 2002/09/24 10:00:01 morsch | |
43 | CheckTrigger() corrected. | |
44 | ||
6ae1960b | 45 | Revision 1.61 2002/07/30 09:52:38 morsch |
46 | Call SetGammaPhiRange() and SetGammaEtaRange() in the constructor. | |
47 | ||
a7f29b20 | 48 | Revision 1.60 2002/07/19 14:49:03 morsch |
49 | Typo corrected. | |
50 | ||
438003bb | 51 | Revision 1.59 2002/07/19 14:35:36 morsch |
52 | Count total number of trials. Print mean Q, x1, x2. | |
53 | ||
8a8f459f | 54 | Revision 1.58 2002/07/17 10:04:09 morsch |
55 | SetYHard method added. | |
56 | ||
35967770 | 57 | Revision 1.57 2002/05/22 13:22:53 morsch |
58 | Process kPyMbNonDiffr added. | |
59 | ||
5f42cc16 | 60 | Revision 1.56 2002/04/26 10:30:01 morsch |
61 | Option kPyBeautyPbMNR added. (N. Carrer). | |
62 | ||
c0acde67 | 63 | Revision 1.55 2002/04/17 10:23:56 morsch |
64 | Coding Rule violations corrected. | |
65 | ||
6d4dd317 | 66 | Revision 1.54 2002/03/28 11:49:10 morsch |
67 | Pass status code in SetTrack. | |
68 | ||
5ec84200 | 69 | Revision 1.53 2002/03/25 14:51:13 morsch |
70 | New stack-fill and count options introduced (N. Carrer). | |
71 | ||
0d7c70a0 | 72 | Revision 1.51 2002/03/06 08:46:57 morsch |
73 | - Loop until np-1 | |
74 | - delete dyn. alloc. arrays (N. Carrer) | |
75 | ||
b9817493 | 76 | Revision 1.50 2002/03/03 13:48:50 morsch |
77 | Option kPyCharmPbMNR added. Produce charm pairs in agreement with MNR | |
78 | NLO calculations (Nicola Carrer). | |
79 | ||
fbd1348b | 80 | Revision 1.49 2002/02/08 16:50:50 morsch |
81 | Add name and title in constructor. | |
82 | ||
8b31bfac | 83 | Revision 1.48 2001/12/20 11:44:28 morsch |
84 | Add kinematic bias for direct gamma production. | |
85 | ||
b2bb450d | 86 | Revision 1.47 2001/12/19 14:45:00 morsch |
87 | Store number of trials in header. | |
88 | ||
fd8fb861 | 89 | Revision 1.46 2001/12/19 10:36:19 morsch |
90 | Add possibility if jet kinematic biasing. | |
91 | ||
988b118b | 92 | Revision 1.45 2001/11/28 08:06:52 morsch |
93 | Use fMaxLifeTime parameter. | |
94 | ||
8cdfd303 | 95 | Revision 1.44 2001/11/27 13:13:07 morsch |
96 | Maximum lifetime for long-lived particles to be put on the stack is parameter. | |
97 | It can be set via SetMaximumLifetime(..). | |
98 | ||
47fc6bd5 | 99 | Revision 1.43 2001/10/21 18:35:56 hristov |
100 | Several pointers were set to zero in the default constructors to avoid memory management problems | |
101 | ||
2685bf00 | 102 | Revision 1.42 2001/10/15 08:21:55 morsch |
103 | Vertex truncation settings moved to AliGenMC. | |
104 | ||
4c07486d | 105 | Revision 1.41 2001/10/08 08:45:42 morsch |
106 | Possibility of vertex cut added. | |
107 | ||
a0b2b296 | 108 | Revision 1.40 2001/09/25 11:30:23 morsch |
109 | Pass event vertex to header. | |
110 | ||
c5d36e84 | 111 | Revision 1.39 2001/07/27 17:09:36 morsch |
112 | Use local SetTrack, KeepTrack and SetHighWaterMark methods | |
113 | to delegate either to local stack or to stack owned by AliRun. | |
114 | (Piotr Skowronski, A.M.) | |
115 | ||
a99cf51f | 116 | Revision 1.38 2001/07/13 10:58:54 morsch |
117 | - Some coded moved to AliGenMC | |
118 | - Improved handling of secondary vertices. | |
119 | ||
fff02fee | 120 | Revision 1.37 2001/06/28 11:17:28 morsch |
121 | SetEventListRange setter added. Events in specified range are listed for | |
122 | debugging. (Yuri Kharlov) | |
123 | ||
11dfaf8d | 124 | Revision 1.36 2001/03/30 07:05:49 morsch |
125 | Final print-out in finish run. | |
126 | Write parton system for jet-production (preliminary solution). | |
127 | ||
9be6226f | 128 | Revision 1.35 2001/03/09 13:03:40 morsch |
129 | Process_t and Struc_Func_t moved to AliPythia.h | |
130 | ||
f1a48a38 | 131 | Revision 1.34 2001/02/14 15:50:40 hristov |
132 | The last particle in event marked using SetHighWaterMark | |
133 | ||
28adac24 | 134 | Revision 1.33 2001/01/30 09:23:12 hristov |
135 | Streamers removed (R.Brun) | |
136 | ||
a8a6107b | 137 | Revision 1.32 2001/01/26 19:55:51 hristov |
138 | Major upgrade of AliRoot code | |
139 | ||
2ab0c725 | 140 | Revision 1.31 2001/01/17 10:54:31 hristov |
141 | Better protection against FPE | |
142 | ||
0f9e52a3 | 143 | Revision 1.30 2000/12/18 08:55:35 morsch |
144 | Make AliPythia dependent generartors work with new scheme of random number generation | |
145 | ||
3356c022 | 146 | Revision 1.29 2000/12/04 11:22:03 morsch |
147 | Init of sRandom as in 1.15 | |
148 | ||
097ec7c1 | 149 | Revision 1.28 2000/12/02 11:41:39 morsch |
150 | Use SetRandom() to initialize random number generator in constructor. | |
151 | ||
1ed25e11 | 152 | Revision 1.27 2000/11/30 20:29:02 morsch |
153 | Initialise static variable sRandom in constructor: sRandom = fRandom; | |
154 | ||
ad1df918 | 155 | Revision 1.26 2000/11/30 07:12:50 alibrary |
156 | Introducing new Rndm and QA classes | |
157 | ||
65fb704d | 158 | Revision 1.25 2000/10/18 19:11:27 hristov |
159 | Division by zero fixed | |
160 | ||
919c2096 | 161 | Revision 1.24 2000/09/18 10:41:35 morsch |
162 | Add possibility to use nuclear structure functions from PDF library V8. | |
163 | ||
811826d8 | 164 | Revision 1.23 2000/09/14 14:05:40 morsch |
165 | dito | |
166 | ||
819f84ad | 167 | Revision 1.22 2000/09/14 14:02:22 morsch |
168 | - Correct conversion from mm to cm when passing particle vertex to MC. | |
169 | - Correct handling of fForceDecay == all. | |
170 | ||
4451ef92 | 171 | Revision 1.21 2000/09/12 14:14:55 morsch |
172 | Call fDecayer->ForceDecay() at the beginning of Generate(). | |
173 | ||
00d6ce7d | 174 | Revision 1.20 2000/09/06 14:29:33 morsch |
175 | Use AliPythia for event generation an AliDecayPythia for decays. | |
176 | Correct handling of "nodecay" option | |
177 | ||
18edb254 | 178 | Revision 1.19 2000/07/11 18:24:56 fca |
179 | Coding convention corrections + few minor bug fixes | |
180 | ||
aee8290b | 181 | Revision 1.18 2000/06/30 12:40:34 morsch |
182 | Pythia takes care of vertex smearing. Correct conversion from Pythia units (mm) to | |
183 | Geant units (cm). | |
184 | ||
1512e357 | 185 | Revision 1.17 2000/06/09 20:34:07 morsch |
186 | All coding rule violations except RS3 corrected | |
187 | ||
f87cfe57 | 188 | Revision 1.16 2000/05/15 15:04:20 morsch |
189 | The full event is written for fNtrack = -1 | |
190 | Coding rule violations corrected. | |
191 | ||
5ddeb374 | 192 | Revision 1.15 2000/04/26 10:14:24 morsch |
193 | Particles array has one entry more than pythia particle list. Upper bound of | |
194 | particle loop changed to np-1 (R. Guernane, AM) | |
195 | ||
2a0e6f5b | 196 | Revision 1.14 2000/04/05 08:36:13 morsch |
197 | Check status code of particles in Pythia event | |
198 | to avoid double counting as partonic state and final state particle. | |
199 | ||
23211d3e | 200 | Revision 1.13 1999/11/09 07:38:48 fca |
201 | Changes for compatibility with version 2.23 of ROOT | |
202 | ||
084c1b4a | 203 | Revision 1.12 1999/11/03 17:43:20 fca |
204 | New version from G.Martinez & A.Morsch | |
205 | ||
886b6f73 | 206 | Revision 1.11 1999/09/29 09:24:14 fca |
207 | Introduction of the Copyright and cvs Log | |
4c039060 | 208 | */ |
209 | ||
6d4dd317 | 210 | // |
211 | // Generator using the TPythia interface (via AliPythia) | |
212 | // to generate pp collisions. | |
213 | // Using SetNuclei() also nuclear modifications to the structure functions | |
214 | // can be taken into account. This makes, of course, only sense for the | |
215 | // generation of the products of hard processes (heavy flavor, jets ...) | |
216 | // | |
217 | // andreas.morsch@cern.ch | |
218 | // | |
219 | ||
116cbefd | 220 | #include <TDatabasePDG.h> |
221 | #include <TParticle.h> | |
222 | #include <TPDGCode.h> | |
223 | #include <TSystem.h> | |
224 | #include <TTree.h> | |
6d4dd317 | 225 | |
116cbefd | 226 | #include "AliConst.h" |
227 | #include "AliDecayerPythia.h" | |
fe4da5cc | 228 | #include "AliGenPythia.h" |
fff02fee | 229 | #include "AliGenPythiaEventHeader.h" |
fe4da5cc | 230 | #include "AliPythia.h" |
116cbefd | 231 | #include "AliRun.h" |
f87cfe57 | 232 | |
fe4da5cc | 233 | ClassImp(AliGenPythia) |
234 | ||
235 | AliGenPythia::AliGenPythia() | |
fff02fee | 236 | :AliGenMC() |
fe4da5cc | 237 | { |
18edb254 | 238 | // Default Constructor |
2685bf00 | 239 | fParticles = 0; |
240 | fPythia = 0; | |
988b118b | 241 | fDecayer = new AliDecayerPythia(); |
11dfaf8d | 242 | SetEventListRange(); |
988b118b | 243 | SetJetPhiRange(); |
244 | SetJetEtaRange(); | |
cc363573 | 245 | SetJetEtRange(); |
a7f29b20 | 246 | SetGammaPhiRange(); |
247 | SetGammaEtaRange(); | |
02a13f3d | 248 | SetPtKick(); |
fe4da5cc | 249 | } |
250 | ||
251 | AliGenPythia::AliGenPythia(Int_t npart) | |
fff02fee | 252 | :AliGenMC(npart) |
fe4da5cc | 253 | { |
254 | // default charm production at 5. 5 TeV | |
255 | // semimuonic decay | |
256 | // structure function GRVHO | |
257 | // | |
8b31bfac | 258 | fName = "Pythia"; |
259 | fTitle= "Particle Generator using PYTHIA"; | |
fe4da5cc | 260 | fXsection = 0.; |
811826d8 | 261 | fNucA1=0; |
262 | fNucA2=0; | |
fe4da5cc | 263 | SetProcess(); |
264 | SetStrucFunc(); | |
886b6f73 | 265 | SetForceDecay(); |
fe4da5cc | 266 | SetPtHard(); |
8a8f459f | 267 | SetYHard(); |
fe4da5cc | 268 | SetEnergyCMS(); |
18edb254 | 269 | fDecayer = new AliDecayerPythia(); |
1ed25e11 | 270 | // Set random number generator |
097ec7c1 | 271 | sRandom=fRandom; |
fff02fee | 272 | fFlavorSelect = 0; |
273 | // Produced particles | |
274 | fParticles = new TClonesArray("TParticle",1000); | |
c5d36e84 | 275 | fEventVertex.Set(3); |
988b118b | 276 | SetEventListRange(); |
277 | SetJetPhiRange(); | |
278 | SetJetEtaRange(); | |
cc363573 | 279 | SetJetEtRange(); |
a7f29b20 | 280 | SetGammaPhiRange(); |
281 | SetGammaEtaRange(); | |
6e91f0e6 | 282 | SetJetReconstructionMode(); |
02a13f3d | 283 | SetPtKick(); |
719b6b8a | 284 | // Options determining what to keep in the stack (Heavy flavour generation) |
285 | fStackFillOpt = kFlavorSelection; // Keep particle with selected flavor | |
286 | fFeedDownOpt = kTRUE; // allow feed down from higher family | |
287 | // Fragmentation on/off | |
288 | fFragmentation = kTRUE; | |
289 | // Default counting mode | |
290 | fCountMode = kCountAll; | |
fe4da5cc | 291 | } |
292 | ||
f87cfe57 | 293 | AliGenPythia::AliGenPythia(const AliGenPythia & Pythia) |
294 | { | |
295 | // copy constructor | |
6d4dd317 | 296 | Pythia.Copy(*this); |
f87cfe57 | 297 | } |
298 | ||
fe4da5cc | 299 | AliGenPythia::~AliGenPythia() |
300 | { | |
5ddeb374 | 301 | // Destructor |
fe4da5cc | 302 | } |
303 | ||
11dfaf8d | 304 | void AliGenPythia::SetEventListRange(Int_t eventFirst, Int_t eventLast) |
305 | { | |
306 | // Set a range of event numbers, for which a table | |
307 | // of generated particle will be printed | |
308 | fDebugEventFirst = eventFirst; | |
309 | fDebugEventLast = eventLast; | |
310 | if (fDebugEventLast==-1) fDebugEventLast=fDebugEventFirst; | |
311 | } | |
312 | ||
fe4da5cc | 313 | void AliGenPythia::Init() |
314 | { | |
5ddeb374 | 315 | // Initialisation |
cc363573 | 316 | |
317 | SetMC(AliPythia::Instance()); | |
fe4da5cc | 318 | fPythia=(AliPythia*) fgMCEvGen; |
319 | // | |
320 | fParentWeight=1./Float_t(fNpart); | |
321 | // | |
322 | // Forward Paramters to the AliPythia object | |
00d6ce7d | 323 | fDecayer->SetForceDecay(fForceDecay); |
18edb254 | 324 | fDecayer->Init(); |
00d6ce7d | 325 | |
18edb254 | 326 | |
fe4da5cc | 327 | fPythia->SetCKIN(3,fPtHardMin); |
35967770 | 328 | fPythia->SetCKIN(4,fPtHardMax); |
329 | fPythia->SetCKIN(7,fYHardMin); | |
330 | fPythia->SetCKIN(8,fYHardMax); | |
331 | ||
811826d8 | 332 | if (fNucA1 > 0 && fNucA2 > 0) fPythia->SetNuclei(fNucA1, fNucA2); |
719b6b8a | 333 | // Fragmentation? |
334 | if (fFragmentation) { | |
335 | fPythia->SetMSTP(111,1); | |
336 | } else { | |
337 | fPythia->SetMSTP(111,0); | |
338 | } | |
339 | ||
18edb254 | 340 | |
cc363573 | 341 | // initial state radiation |
342 | fPythia->SetMSTP(61,fGinit); | |
343 | // final state radiation | |
344 | fPythia->SetMSTP(71,fGfinal); | |
02a13f3d | 345 | // pt - kick |
346 | if (fPtKick > 0.) { | |
347 | fPythia->SetMSTP(91,1); | |
348 | fPythia->SetPARP(91,fPtKick); | |
349 | } else { | |
350 | fPythia->SetMSTP(91,0); | |
351 | } | |
4af58cc6 | 352 | |
353 | // fPythia->SetMSTJ(1,2); | |
02a13f3d | 354 | // |
4af58cc6 | 355 | fPythia->ProcInit(fProcess,fEnergyCMS,fStrucFunc); |
356 | ||
fe4da5cc | 357 | // Parent and Children Selection |
358 | switch (fProcess) | |
359 | { | |
f1a48a38 | 360 | case kPyCharm: |
f1a48a38 | 361 | case kPyCharmUnforced: |
fbd1348b | 362 | case kPyCharmPbMNR: |
b2bb450d | 363 | fParentSelect[0] = 411; |
364 | fParentSelect[1] = 421; | |
365 | fParentSelect[2] = 431; | |
366 | fParentSelect[3] = 4122; | |
8b31bfac | 367 | fFlavorSelect = 4; |
fe4da5cc | 368 | break; |
719b6b8a | 369 | case kPyD0PbMNR: |
370 | fParentSelect[0] = 421; | |
5f42cc16 | 371 | fFlavorSelect = 4; |
719b6b8a | 372 | break; |
f1a48a38 | 373 | case kPyBeauty: |
c0acde67 | 374 | case kPyBeautyPbMNR: |
fff02fee | 375 | fParentSelect[0]= 511; |
376 | fParentSelect[1]= 521; | |
377 | fParentSelect[2]= 531; | |
378 | fParentSelect[3]= 5122; | |
379 | fParentSelect[4]= 5132; | |
380 | fParentSelect[5]= 5232; | |
381 | fParentSelect[6]= 5332; | |
382 | fFlavorSelect = 5; | |
fe4da5cc | 383 | break; |
f1a48a38 | 384 | case kPyBeautyUnforced: |
fff02fee | 385 | fParentSelect[0] = 511; |
386 | fParentSelect[1] = 521; | |
387 | fParentSelect[2] = 531; | |
388 | fParentSelect[3] = 5122; | |
389 | fParentSelect[4] = 5132; | |
390 | fParentSelect[5] = 5232; | |
391 | fParentSelect[6] = 5332; | |
392 | fFlavorSelect = 5; | |
fe4da5cc | 393 | break; |
f1a48a38 | 394 | case kPyJpsiChi: |
395 | case kPyJpsi: | |
fff02fee | 396 | fParentSelect[0] = 443; |
fe4da5cc | 397 | break; |
f1a48a38 | 398 | case kPyMb: |
5f42cc16 | 399 | case kPyMbNonDiffr: |
f1a48a38 | 400 | case kPyJets: |
401 | case kPyDirectGamma: | |
5be1fe76 | 402 | break; |
fe4da5cc | 403 | } |
8a8f459f | 404 | // |
405 | // This counts the total number of calls to Pyevnt() per run. | |
406 | fTrialsRun = 0; | |
407 | fQ = 0.; | |
408 | fX1 = 0.; | |
409 | fX2 = 0.; | |
438003bb | 410 | fNev = 0 ; |
8a8f459f | 411 | // |
fff02fee | 412 | AliGenMC::Init(); |
fe4da5cc | 413 | } |
414 | ||
415 | void AliGenPythia::Generate() | |
416 | { | |
5ddeb374 | 417 | // Generate one event |
00d6ce7d | 418 | fDecayer->ForceDecay(); |
a0b2b296 | 419 | |
9be6226f | 420 | Float_t polar[3] = {0,0,0}; |
421 | Float_t origin[3] = {0,0,0}; | |
fff02fee | 422 | Float_t p[3]; |
5be1fe76 | 423 | // converts from mm/c to s |
424 | const Float_t kconv=0.001/2.999792458e8; | |
fe4da5cc | 425 | // |
fe4da5cc | 426 | Int_t nt=0; |
427 | Int_t jev=0; | |
7921755b | 428 | Int_t j, kf; |
fe4da5cc | 429 | fTrials=0; |
fff02fee | 430 | |
fd8fb861 | 431 | // Set collision vertex position |
aee8290b | 432 | if(fVertexSmear==kPerEvent) { |
1512e357 | 433 | fPythia->SetMSTP(151,1); |
fe4da5cc | 434 | for (j=0;j<3;j++) { |
fff02fee | 435 | fPythia->SetPARP(151+j, fOsigma[j]*10.); |
fe4da5cc | 436 | } |
aee8290b | 437 | } else if (fVertexSmear==kPerTrack) { |
fe4da5cc | 438 | fPythia->SetMSTP(151,0); |
fe4da5cc | 439 | } |
fff02fee | 440 | // event loop |
fe4da5cc | 441 | while(1) |
442 | { | |
084c1b4a | 443 | fPythia->Pyevnt(); |
11dfaf8d | 444 | if (gAlice->GetEvNumber()>=fDebugEventFirst && |
445 | gAlice->GetEvNumber()<=fDebugEventLast) fPythia->Pylist(1); | |
fe4da5cc | 446 | fTrials++; |
47fc6bd5 | 447 | |
fff02fee | 448 | fPythia->ImportParticles(fParticles,"All"); |
449 | ||
450 | // | |
451 | // | |
452 | // | |
453 | Int_t i; | |
454 | ||
455 | Int_t np = fParticles->GetEntriesFast(); | |
a0b2b296 | 456 | if (np == 0 ) continue; |
457 | // Get event vertex and discard the event if the Z coord. is too big | |
4c07486d | 458 | TParticle *iparticle = (TParticle *) fParticles->At(0); |
459 | Float_t distz = iparticle->Vz()/10.; | |
460 | if(TMath::Abs(distz)>fCutVertexZ*fOsigma[2]) continue; | |
a0b2b296 | 461 | // |
4c07486d | 462 | fEventVertex[0] = iparticle->Vx()/10.+fOrigin.At(0); |
463 | fEventVertex[1] = iparticle->Vy()/10.+fOrigin.At(1); | |
464 | fEventVertex[2] = iparticle->Vz()/10.+fOrigin.At(2); | |
a0b2b296 | 465 | // |
fff02fee | 466 | Int_t* pParent = new Int_t[np]; |
467 | Int_t* pSelected = new Int_t[np]; | |
468 | Int_t* trackIt = new Int_t[np]; | |
b9817493 | 469 | for (i=0; i< np; i++) { |
fff02fee | 470 | pParent[i] = -1; |
471 | pSelected[i] = 0; | |
719b6b8a | 472 | trackIt[i] = 0; |
fff02fee | 473 | } |
8a8f459f | 474 | |
719b6b8a | 475 | Int_t nc = 0; // Total n. of selected particles |
476 | Int_t nParents = 0; // Selected parents | |
477 | Int_t nTkbles = 0; // Trackable particles | |
a7f29b20 | 478 | if (fProcess != kPyMb && fProcess != kPyJets && |
479 | fProcess != kPyDirectGamma && | |
5f42cc16 | 480 | fProcess != kPyMbNonDiffr) { |
fd8fb861 | 481 | |
b9817493 | 482 | for (i = 0; i<np; i++) { |
c5d36e84 | 483 | iparticle = (TParticle *) fParticles->At(i); |
23211d3e | 484 | Int_t ks = iparticle->GetStatusCode(); |
a8228d85 | 485 | kf = CheckPDGCode(iparticle->GetPdgCode()); |
fff02fee | 486 | // No initial state partons |
2a0e6f5b | 487 | if (ks==21) continue; |
fe4da5cc | 488 | // |
fff02fee | 489 | // Heavy Flavor Selection |
5be1fe76 | 490 | // |
fff02fee | 491 | // quark ? |
492 | kf = TMath::Abs(kf); | |
493 | Int_t kfl = kf; | |
494 | // meson ? | |
495 | if (kfl > 10) kfl/=100; | |
496 | // baryon | |
497 | if (kfl > 10) kfl/=10; | |
498 | if (kfl > 10) kfl/=10; | |
499 | ||
500 | Int_t ipa = iparticle->GetFirstMother()-1; | |
501 | Int_t kfMo = 0; | |
502 | ||
503 | if (ipa > -1) { | |
504 | TParticle * mother = (TParticle *) fParticles->At(ipa); | |
505 | kfMo = TMath::Abs(mother->GetPdgCode()); | |
506 | } | |
719b6b8a | 507 | // What to keep in Stack? |
508 | Bool_t flavorOK = kFALSE; | |
509 | Bool_t selectOK = kFALSE; | |
510 | if (fFeedDownOpt) { | |
511 | if (kfl >= fFlavorSelect) flavorOK = kTRUE; | |
512 | } else { | |
513 | if (kfl > fFlavorSelect) { | |
514 | nc = -1; | |
515 | break; | |
516 | } | |
517 | if (kfl == fFlavorSelect) flavorOK = kTRUE; | |
518 | } | |
519 | switch (fStackFillOpt) { | |
520 | case kFlavorSelection: | |
521 | selectOK = kTRUE; | |
522 | break; | |
523 | case kParentSelection: | |
524 | if (ParentSelected(kf) || kf <= 10) selectOK = kTRUE; | |
525 | break; | |
526 | } | |
527 | if (flavorOK && selectOK) { | |
5be1fe76 | 528 | // |
fff02fee | 529 | // Heavy flavor hadron or quark |
fe4da5cc | 530 | // |
fff02fee | 531 | // Kinematic seletion on final state heavy flavor mesons |
532 | if (ParentSelected(kf) && !KinematicSelection(iparticle, 0)) | |
533 | { | |
719b6b8a | 534 | continue; |
fff02fee | 535 | } |
536 | pSelected[i] = 1; | |
719b6b8a | 537 | if (ParentSelected(kf)) ++nParents; // Update parent count |
fff02fee | 538 | // printf("\n particle (HF) %d %d %d", i, pSelected[i], kf); |
539 | } else { | |
540 | // Kinematic seletion on decay products | |
541 | if (fCutOnChild && ParentSelected(kfMo) && ChildSelected(kf) | |
542 | && !KinematicSelection(iparticle, 1)) | |
543 | { | |
719b6b8a | 544 | continue; |
fff02fee | 545 | } |
fe4da5cc | 546 | // |
fff02fee | 547 | // Decay products |
548 | // Select if mother was selected and is not tracked | |
549 | ||
550 | if (pSelected[ipa] && | |
551 | !trackIt[ipa] && // mother will be tracked ? | |
552 | kfMo != 5 && // mother is b-quark, don't store fragments | |
553 | kfMo != 4 && // mother is c-quark, don't store fragments | |
554 | kf != 92) // don't store string | |
555 | { | |
fe4da5cc | 556 | // |
fff02fee | 557 | // Semi-stable or de-selected: diselect decay products: |
fe4da5cc | 558 | // |
5be1fe76 | 559 | // |
47fc6bd5 | 560 | if (pSelected[i] == -1 || fDecayer->GetLifetime(kf) > fMaxLifeTime) |
fff02fee | 561 | { |
562 | Int_t ipF = iparticle->GetFirstDaughter(); | |
563 | Int_t ipL = iparticle->GetLastDaughter(); | |
564 | if (ipF > 0) for (j = ipF-1; j < ipL; j++) pSelected[j] = -1; | |
565 | } | |
566 | // printf("\n particle (decay) %d %d %d", i, pSelected[i], kf); | |
567 | pSelected[i] = (pSelected[i] == -1) ? 0 : 1; | |
568 | } | |
569 | } | |
570 | if (pSelected[i] == -1) pSelected[i] = 0; | |
571 | if (!pSelected[i]) continue; | |
719b6b8a | 572 | // Count quarks only if you did not include fragmentation |
573 | if (fFragmentation && kf <= 10) continue; | |
fff02fee | 574 | nc++; |
575 | // Decision on tracking | |
576 | trackIt[i] = 0; | |
577 | // | |
578 | // Track final state particle | |
579 | if (ks == 1) trackIt[i] = 1; | |
580 | // Track semi-stable particles | |
8cdfd303 | 581 | if ((ks ==1) || (fDecayer->GetLifetime(kf) > fMaxLifeTime)) trackIt[i] = 1; |
fff02fee | 582 | // Track particles selected by process if undecayed. |
583 | if (fForceDecay == kNoDecay) { | |
584 | if (ParentSelected(kf)) trackIt[i] = 1; | |
585 | } else { | |
586 | if (ParentSelected(kf)) trackIt[i] = 0; | |
587 | } | |
719b6b8a | 588 | if (trackIt[i] == 1) ++nTkbles; // Update trackable counter |
fff02fee | 589 | // |
590 | // | |
591 | ||
592 | } // particle selection loop | |
719b6b8a | 593 | if (nc > 0) { |
b9817493 | 594 | for (i = 0; i<np; i++) { |
fff02fee | 595 | if (!pSelected[i]) continue; |
596 | TParticle * iparticle = (TParticle *) fParticles->At(i); | |
597 | kf = CheckPDGCode(iparticle->GetPdgCode()); | |
5ec84200 | 598 | Int_t ks = iparticle->GetStatusCode(); |
a0b2b296 | 599 | p[0] = iparticle->Px(); |
600 | p[1] = iparticle->Py(); | |
601 | p[2] = iparticle->Pz(); | |
602 | origin[0] = fOrigin[0]+iparticle->Vx()/10.; | |
603 | origin[1] = fOrigin[1]+iparticle->Vy()/10.; | |
604 | origin[2] = fOrigin[2]+iparticle->Vz()/10.; | |
605 | Float_t tof = kconv*iparticle->T(); | |
606 | Int_t ipa = iparticle->GetFirstMother()-1; | |
fff02fee | 607 | Int_t iparent = (ipa > -1) ? pParent[ipa] : -1; |
a99cf51f | 608 | SetTrack(fTrackIt*trackIt[i] , |
5ec84200 | 609 | iparent, kf, p, origin, polar, tof, kPPrimary, nt, 1., ks); |
fff02fee | 610 | pParent[i] = nt; |
a99cf51f | 611 | KeepTrack(nt); |
fff02fee | 612 | } // SetTrack loop |
613 | } | |
614 | } else { | |
615 | nc = GenerateMB(); | |
5be1fe76 | 616 | } // mb ? |
fff02fee | 617 | |
b9817493 | 618 | if (pParent) delete[] pParent; |
619 | if (pSelected) delete[] pSelected; | |
620 | if (trackIt) delete[] trackIt; | |
621 | ||
fe4da5cc | 622 | if (nc > 0) { |
719b6b8a | 623 | switch (fCountMode) { |
624 | case kCountAll: | |
625 | // printf(" Count all \n"); | |
626 | jev += nc; | |
627 | break; | |
628 | case kCountParents: | |
629 | // printf(" Count parents \n"); | |
630 | jev += nParents; | |
631 | break; | |
632 | case kCountTrackables: | |
633 | // printf(" Count trackable \n"); | |
634 | jev += nTkbles; | |
635 | break; | |
636 | } | |
5ddeb374 | 637 | if (jev >= fNpart || fNpart == -1) { |
fe4da5cc | 638 | fKineBias=Float_t(fNpart)/Float_t(fTrials); |
23211d3e | 639 | printf("\n Trials: %i %i %i\n",fTrials, fNpart, jev); |
8a8f459f | 640 | |
641 | fQ += fPythia->GetVINT(51); | |
642 | fX1 += fPythia->GetVINT(41); | |
643 | fX2 += fPythia->GetVINT(42); | |
644 | fTrialsRun += fTrials; | |
645 | fNev++; | |
fd8fb861 | 646 | MakeHeader(); |
fe4da5cc | 647 | break; |
648 | } | |
649 | } | |
650 | } // event loop | |
a99cf51f | 651 | SetHighWaterMark(nt); |
fe4da5cc | 652 | // adjust weight due to kinematic selection |
653 | AdjustWeights(); | |
654 | // get cross-section | |
655 | fXsection=fPythia->GetPARI(1); | |
656 | } | |
657 | ||
fff02fee | 658 | Int_t AliGenPythia::GenerateMB() |
fe4da5cc | 659 | { |
5ec84200 | 660 | // |
661 | // Min Bias selection and other global selections | |
662 | // | |
fff02fee | 663 | Int_t i, kf, nt, iparent; |
664 | Int_t nc = 0; | |
665 | Float_t p[3]; | |
666 | Float_t polar[3] = {0,0,0}; | |
667 | Float_t origin[3] = {0,0,0}; | |
fff02fee | 668 | // converts from mm/c to s |
669 | const Float_t kconv=0.001/2.999792458e8; | |
4451ef92 | 670 | |
fff02fee | 671 | Int_t np = fParticles->GetEntriesFast(); |
672 | Int_t* pParent = new Int_t[np]; | |
b9817493 | 673 | for (i=0; i< np; i++) pParent[i] = -1; |
b2bb450d | 674 | if (fProcess == kPyJets || fProcess == kPyDirectGamma) { |
988b118b | 675 | TParticle* jet1 = (TParticle *) fParticles->At(6); |
676 | TParticle* jet2 = (TParticle *) fParticles->At(7); | |
677 | if (!CheckTrigger(jet1, jet2)) return 0; | |
678 | } | |
679 | ||
b9817493 | 680 | for (i = 0; i<np; i++) { |
fff02fee | 681 | Int_t trackIt = 0; |
682 | TParticle * iparticle = (TParticle *) fParticles->At(i); | |
683 | kf = CheckPDGCode(iparticle->GetPdgCode()); | |
684 | Int_t ks = iparticle->GetStatusCode(); | |
685 | Int_t km = iparticle->GetFirstMother(); | |
fff02fee | 686 | if ((ks == 1 && kf!=0 && KinematicSelection(iparticle, 0)) || |
687 | (ks != 1) || | |
688 | (fProcess == kPyJets && ks == 21 && km == 0 && i>1)) { | |
689 | nc++; | |
690 | if (ks == 1) trackIt = 1; | |
691 | Int_t ipa = iparticle->GetFirstMother()-1; | |
35967770 | 692 | |
fff02fee | 693 | iparent = (ipa > -1) ? pParent[ipa] : -1; |
35967770 | 694 | |
fe4da5cc | 695 | // |
fff02fee | 696 | // store track information |
a0b2b296 | 697 | p[0] = iparticle->Px(); |
698 | p[1] = iparticle->Py(); | |
699 | p[2] = iparticle->Pz(); | |
700 | origin[0] = fOrigin[0]+iparticle->Vx()/10.; | |
701 | origin[1] = fOrigin[1]+iparticle->Vy()/10.; | |
702 | origin[2] = fOrigin[2]+iparticle->Vz()/10.; | |
fff02fee | 703 | Float_t tof=kconv*iparticle->T(); |
a99cf51f | 704 | SetTrack(fTrackIt*trackIt, iparent, kf, p, origin, polar, |
35967770 | 705 | tof, kPPrimary, nt, 1., ks); |
a99cf51f | 706 | KeepTrack(nt); |
fff02fee | 707 | pParent[i] = nt; |
708 | } // select particle | |
709 | } // particle loop | |
710 | ||
711 | if (pParent) delete[] pParent; | |
fe4da5cc | 712 | |
fff02fee | 713 | printf("\n I've put %i particles on the stack \n",nc); |
fff02fee | 714 | return nc; |
715 | } | |
fe4da5cc | 716 | |
fe4da5cc | 717 | |
fff02fee | 718 | void AliGenPythia::FinishRun() |
719 | { | |
720 | // Print x-section summary | |
721 | fPythia->Pystat(1); | |
8a8f459f | 722 | fQ /= fNev; |
723 | fX1 /= fNev; | |
724 | fX2 /= fNev; | |
725 | printf("\nTotal number of Pyevnt() calls %d\n", fTrialsRun); | |
726 | printf("\nMean Q, x1, x2: %f %f %f\n", fQ, fX1, fX2); | |
727 | ||
728 | ||
fe4da5cc | 729 | } |
fff02fee | 730 | |
fe4da5cc | 731 | void AliGenPythia::AdjustWeights() |
732 | { | |
5ddeb374 | 733 | // Adjust the weights after generation of all events |
734 | // | |
5ddeb374 | 735 | TParticle *part; |
fe4da5cc | 736 | Int_t ntrack=gAlice->GetNtrack(); |
737 | for (Int_t i=0; i<ntrack; i++) { | |
2ab0c725 | 738 | part= gAlice->Particle(i); |
5ddeb374 | 739 | part->SetWeight(part->GetWeight()*fKineBias); |
fe4da5cc | 740 | } |
741 | } | |
811826d8 | 742 | |
743 | void AliGenPythia::SetNuclei(Int_t a1, Int_t a2) | |
744 | { | |
745 | // Treat protons as inside nuclei with mass numbers a1 and a2 | |
746 | fNucA1 = a1; | |
747 | fNucA2 = a2; | |
748 | } | |
fff02fee | 749 | |
750 | ||
cc363573 | 751 | void AliGenPythia::MakeHeader() |
fff02fee | 752 | { |
753 | // Builds the event header, to be called after each event | |
754 | AliGenEventHeader* header = new AliGenPythiaEventHeader("Pythia"); | |
cc363573 | 755 | // |
756 | // Event type | |
c5d36e84 | 757 | ((AliGenPythiaEventHeader*) header)->SetProcessType(fPythia->GetMSTI(1)); |
cc363573 | 758 | // |
759 | // Number of trials | |
fd8fb861 | 760 | ((AliGenPythiaEventHeader*) header)->SetTrials(fTrials); |
cc363573 | 761 | // |
762 | // Event Vertex | |
c5d36e84 | 763 | header->SetPrimaryVertex(fEventVertex); |
cc363573 | 764 | // |
765 | // Jets that have triggered | |
766 | if (fProcess == kPyJets) | |
767 | { | |
90cb8cdc | 768 | Int_t ntrig, njet; |
769 | Float_t jets[4][10]; | |
770 | GetJets(njet, ntrig, jets); | |
6e91f0e6 | 771 | |
cc363573 | 772 | for (Int_t i = 0; i < ntrig; i++) { |
773 | ((AliGenPythiaEventHeader*) header)->AddJet(jets[0][i], jets[1][i], jets[2][i], | |
774 | jets[3][i]); | |
775 | } | |
776 | } | |
c5d36e84 | 777 | gAlice->SetGenEventHeader(header); |
fff02fee | 778 | } |
811826d8 | 779 | |
988b118b | 780 | |
cc363573 | 781 | Bool_t AliGenPythia::CheckTrigger(TParticle* jet1, TParticle* jet2) |
988b118b | 782 | { |
783 | // Check the kinematic trigger condition | |
784 | // | |
b2bb450d | 785 | Double_t eta[2]; |
786 | eta[0] = jet1->Eta(); | |
787 | eta[1] = jet2->Eta(); | |
788 | Double_t phi[2]; | |
789 | phi[0] = jet1->Phi(); | |
790 | phi[1] = jet2->Phi(); | |
791 | Int_t pdg[2]; | |
792 | pdg[0] = jet1->GetPdgCode(); | |
793 | pdg[1] = jet2->GetPdgCode(); | |
988b118b | 794 | Bool_t triggered = kFALSE; |
b2bb450d | 795 | |
796 | if (fProcess == kPyJets) { | |
cc363573 | 797 | Int_t njets = 0; |
798 | Int_t ntrig = 0; | |
799 | Float_t jets[4][10]; | |
800 | // | |
801 | // Use Pythia clustering on parton level to determine jet axis | |
802 | // | |
6e91f0e6 | 803 | GetJets(njets, ntrig, jets); |
804 | ||
cc363573 | 805 | if (ntrig) triggered = kTRUE; |
806 | // | |
b2bb450d | 807 | } else { |
808 | Int_t ij = 0; | |
809 | Int_t ig = 1; | |
810 | if (pdg[0] == kGamma) { | |
811 | ij = 1; | |
812 | ig = 0; | |
813 | } | |
814 | //Check eta range first... | |
815 | if ((eta[ij] < fEtaMaxJet && eta[ij] > fEtaMinJet) && | |
816 | (eta[ig] < fEtaMaxGamma && eta[ig] > fEtaMinGamma)) | |
817 | { | |
818 | //Eta is okay, now check phi range | |
819 | if ((phi[ij] < fPhiMaxJet && phi[ij] > fPhiMinJet) && | |
820 | (phi[ig] < fPhiMaxGamma && phi[ig] > fPhiMinGamma)) | |
821 | { | |
822 | triggered = kTRUE; | |
823 | } | |
824 | } | |
988b118b | 825 | } |
826 | return triggered; | |
827 | } | |
811826d8 | 828 | |
f87cfe57 | 829 | AliGenPythia& AliGenPythia::operator=(const AliGenPythia& rhs) |
830 | { | |
831 | // Assignment operator | |
832 | return *this; | |
833 | } | |
fe4da5cc | 834 | |
cc363573 | 835 | void AliGenPythia::LoadEvent() |
836 | { | |
837 | // | |
838 | // Load event into Pythia Common Block | |
839 | // | |
840 | ||
841 | ||
842 | Int_t npart = (Int_t) (gAlice->TreeK())->GetEntries(); | |
843 | (fPythia->GetPyjets())->N = npart; | |
844 | ||
845 | for (Int_t part = 0; part < npart; part++) { | |
846 | TParticle *MPart = gAlice->Particle(part); | |
847 | Int_t kf = MPart->GetPdgCode(); | |
848 | Int_t ks = MPart->GetStatusCode(); | |
849 | Float_t px = MPart->Px(); | |
850 | Float_t py = MPart->Py(); | |
851 | Float_t pz = MPart->Pz(); | |
852 | Float_t e = MPart->Energy(); | |
853 | Float_t p = TMath::Sqrt(px * px + py * py + pz * pz); | |
854 | Float_t m = TMath::Sqrt(e * e - p * p); | |
855 | ||
856 | ||
857 | (fPythia->GetPyjets())->P[0][part] = px; | |
858 | (fPythia->GetPyjets())->P[1][part] = py; | |
859 | (fPythia->GetPyjets())->P[2][part] = pz; | |
860 | (fPythia->GetPyjets())->P[3][part] = e; | |
861 | (fPythia->GetPyjets())->P[4][part] = m; | |
862 | ||
863 | (fPythia->GetPyjets())->K[1][part] = kf; | |
864 | (fPythia->GetPyjets())->K[0][part] = ks; | |
865 | } | |
866 | } | |
867 | ||
4af58cc6 | 868 | void AliGenPythia::RecJetsUA1(Float_t eCellMin, Float_t eCellSeed, Float_t eMin, Float_t rMax, |
869 | Int_t& njets, Float_t jets [4][50]) | |
870 | { | |
871 | // | |
872 | // Calls the Pythia jet finding algorithm to find jets in the current event | |
873 | // | |
874 | // | |
875 | // Configure detector (EMCAL like) | |
876 | // | |
877 | fPythia->SetPARU(51,2.); | |
878 | fPythia->SetMSTU(51,Int_t(96 * 2./0.7)); | |
879 | fPythia->SetMSTU(52,3 * 144); | |
880 | // | |
881 | // Configure Jet Finder | |
882 | // | |
883 | fPythia->SetPARU(58, eCellMin); | |
884 | fPythia->SetPARU(52, eCellSeed); | |
885 | fPythia->SetPARU(53, eMin); | |
886 | fPythia->SetPARU(54, rMax); | |
887 | fPythia->SetMSTU(54, 2); | |
888 | // | |
889 | // Save jets | |
890 | Int_t n = fPythia->GetN(); | |
891 | ||
892 | // | |
893 | // Run Jet Finder | |
894 | fPythia->Pycell(njets); | |
895 | Int_t i; | |
896 | for (i = 0; i < njets; i++) { | |
897 | Float_t px = (fPythia->GetPyjets())->P[0][n+i]; | |
898 | Float_t py = (fPythia->GetPyjets())->P[1][n+i]; | |
899 | Float_t pz = (fPythia->GetPyjets())->P[2][n+i]; | |
900 | Float_t e = (fPythia->GetPyjets())->P[3][n+i]; | |
6e91f0e6 | 901 | |
4af58cc6 | 902 | jets[0][i] = px; |
903 | jets[1][i] = py; | |
904 | jets[2][i] = pz; | |
905 | jets[3][i] = e; | |
906 | } | |
907 | } | |
908 | ||
cc363573 | 909 | |
6e91f0e6 | 910 | |
911 | void AliGenPythia::GetJets(Int_t& nJets, Int_t& nJetsTrig, Float_t jets[4][10]) | |
cc363573 | 912 | { |
913 | // | |
914 | // Calls the Pythia clustering algorithm to find jets in the current event | |
915 | // | |
916 | Int_t n = fPythia->GetN(); | |
917 | nJets = 0; | |
918 | nJetsTrig = 0; | |
6e91f0e6 | 919 | if (fJetReconstruction == kCluster) { |
cc363573 | 920 | // |
921 | // Configure cluster algorithm | |
922 | // | |
6e91f0e6 | 923 | fPythia->SetPARU(43, 2.); |
924 | fPythia->SetMSTU(41, 1); | |
cc363573 | 925 | // |
926 | // Call cluster algorithm | |
927 | // | |
6e91f0e6 | 928 | fPythia->Pyclus(nJets); |
cc363573 | 929 | // |
930 | // Loading jets from common block | |
931 | // | |
6e91f0e6 | 932 | } else { |
933 | // | |
934 | // Configure detector (EMCAL like) | |
935 | // | |
936 | fPythia->SetPARU(51,2.); | |
937 | fPythia->SetMSTU(51,Int_t(96 * 2./0.7)); | |
938 | fPythia->SetMSTU(52,3 * 144); | |
939 | // | |
940 | // Configure Jet Finder | |
941 | // | |
942 | fPythia->SetPARU(58, 0.0); | |
943 | fPythia->SetPARU(52, 4.0); | |
944 | fPythia->SetPARU(53, 10.0); | |
90cb8cdc | 945 | fPythia->SetPARU(54, 1.0); |
6e91f0e6 | 946 | fPythia->SetMSTU(54, 2); |
947 | // | |
948 | // Run Jet Finder | |
949 | fPythia->Pycell(nJets); | |
950 | } | |
951 | ||
cc363573 | 952 | Int_t i; |
953 | for (i = 0; i < nJets; i++) { | |
954 | Float_t px = (fPythia->GetPyjets())->P[0][n+i]; | |
955 | Float_t py = (fPythia->GetPyjets())->P[1][n+i]; | |
956 | Float_t pz = (fPythia->GetPyjets())->P[2][n+i]; | |
957 | Float_t e = (fPythia->GetPyjets())->P[3][n+i]; | |
958 | Float_t pt = TMath::Sqrt(px * px + py * py); | |
959 | Float_t phi = TMath::ATan2(py,px); | |
960 | Float_t theta = TMath::ATan2(pt,pz); | |
961 | Float_t et = e * TMath::Sin(theta); | |
962 | Float_t eta = -TMath::Log(TMath::Tan(theta / 2.)); | |
963 | ||
964 | if ( | |
965 | eta > fEtaMinJet && eta < fEtaMaxJet && | |
966 | phi > fPhiMinJet && eta < fPhiMaxJet && | |
967 | et > fEtMinJet && et < fEtMaxJet | |
968 | ) | |
969 | { | |
cc363573 | 970 | jets[0][nJetsTrig] = px; |
971 | jets[1][nJetsTrig] = py; | |
972 | jets[2][nJetsTrig] = pz; | |
973 | jets[3][nJetsTrig] = e; | |
974 | nJetsTrig++; | |
975 | ||
976 | } else { | |
977 | // printf("\n........-Jet #%d: %10.3f %10.3f %10.3f %10.3f \n", i, pt, et, eta, phi * kRaddeg); | |
978 | } | |
979 | } | |
980 | } | |
fe4da5cc | 981 | |
811826d8 | 982 | |
a8a6107b | 983 | #ifdef never |
18edb254 | 984 | void AliGenPythia::Streamer(TBuffer &R__b) |
985 | { | |
986 | // Stream an object of class AliGenPythia. | |
987 | ||
988 | if (R__b.IsReading()) { | |
989 | Version_t R__v = R__b.ReadVersion(); if (R__v) { } | |
990 | AliGenerator::Streamer(R__b); | |
991 | R__b >> (Int_t&)fProcess; | |
992 | R__b >> (Int_t&)fStrucFunc; | |
993 | R__b >> (Int_t&)fForceDecay; | |
994 | R__b >> fEnergyCMS; | |
995 | R__b >> fKineBias; | |
996 | R__b >> fTrials; | |
997 | fParentSelect.Streamer(R__b); | |
998 | fChildSelect.Streamer(R__b); | |
999 | R__b >> fXsection; | |
1000 | // (AliPythia::Instance())->Streamer(R__b); | |
1001 | R__b >> fPtHardMin; | |
1002 | R__b >> fPtHardMax; | |
1003 | // if (fDecayer) fDecayer->Streamer(R__b); | |
1004 | } else { | |
1005 | R__b.WriteVersion(AliGenPythia::IsA()); | |
1006 | AliGenerator::Streamer(R__b); | |
1007 | R__b << (Int_t)fProcess; | |
1008 | R__b << (Int_t)fStrucFunc; | |
1009 | R__b << (Int_t)fForceDecay; | |
1010 | R__b << fEnergyCMS; | |
1011 | R__b << fKineBias; | |
1012 | R__b << fTrials; | |
1013 | fParentSelect.Streamer(R__b); | |
1014 | fChildSelect.Streamer(R__b); | |
1015 | R__b << fXsection; | |
1016 | // R__b << fPythia; | |
1017 | R__b << fPtHardMin; | |
1018 | R__b << fPtHardMax; | |
1019 | // fDecayer->Streamer(R__b); | |
1020 | } | |
1021 | } | |
a8a6107b | 1022 | #endif |
18edb254 | 1023 |