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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 | $Log$ | |
90cb8cdc | 18 | Revision 1.67 2002/12/09 15:24:09 morsch |
19 | Same trigger routine can use Pycell or Pyclus. | |
20 | ||
6e91f0e6 | 21 | Revision 1.66 2002/12/09 08:22:56 morsch |
22 | UA1 jet finder (Pycell) for software triggering added. | |
23 | ||
4af58cc6 | 24 | Revision 1.65 2002/11/19 08:57:10 morsch |
25 | Configuration of pt-kick added. | |
26 | ||
02a13f3d | 27 | Revision 1.64 2002/11/15 00:43:06 morsch |
28 | Changes for kPyJets | |
29 | - initial and final state g-radiation + pt-kick default | |
30 | - trigger based on parton clusters (using pyclus) | |
31 | - trigger jets are stored in header. | |
32 | ||
cc363573 | 33 | Revision 1.63 2002/10/14 14:55:35 hristov |
34 | Merging the VirtualMC branch to the main development branch (HEAD) | |
35 | ||
b9d0a01d | 36 | Revision 1.52.4.4 2002/10/10 16:40:08 hristov |
37 | Updating VirtualMC to v3-09-02 | |
38 | ||
39 | Revision 1.62 2002/09/24 10:00:01 morsch | |
40 | CheckTrigger() corrected. | |
41 | ||
6ae1960b | 42 | Revision 1.61 2002/07/30 09:52:38 morsch |
43 | Call SetGammaPhiRange() and SetGammaEtaRange() in the constructor. | |
44 | ||
a7f29b20 | 45 | Revision 1.60 2002/07/19 14:49:03 morsch |
46 | Typo corrected. | |
47 | ||
438003bb | 48 | Revision 1.59 2002/07/19 14:35:36 morsch |
49 | Count total number of trials. Print mean Q, x1, x2. | |
50 | ||
8a8f459f | 51 | Revision 1.58 2002/07/17 10:04:09 morsch |
52 | SetYHard method added. | |
53 | ||
35967770 | 54 | Revision 1.57 2002/05/22 13:22:53 morsch |
55 | Process kPyMbNonDiffr added. | |
56 | ||
5f42cc16 | 57 | Revision 1.56 2002/04/26 10:30:01 morsch |
58 | Option kPyBeautyPbMNR added. (N. Carrer). | |
59 | ||
c0acde67 | 60 | Revision 1.55 2002/04/17 10:23:56 morsch |
61 | Coding Rule violations corrected. | |
62 | ||
6d4dd317 | 63 | Revision 1.54 2002/03/28 11:49:10 morsch |
64 | Pass status code in SetTrack. | |
65 | ||
5ec84200 | 66 | Revision 1.53 2002/03/25 14:51:13 morsch |
67 | New stack-fill and count options introduced (N. Carrer). | |
68 | ||
0d7c70a0 | 69 | Revision 1.51 2002/03/06 08:46:57 morsch |
70 | - Loop until np-1 | |
71 | - delete dyn. alloc. arrays (N. Carrer) | |
72 | ||
b9817493 | 73 | Revision 1.50 2002/03/03 13:48:50 morsch |
74 | Option kPyCharmPbMNR added. Produce charm pairs in agreement with MNR | |
75 | NLO calculations (Nicola Carrer). | |
76 | ||
fbd1348b | 77 | Revision 1.49 2002/02/08 16:50:50 morsch |
78 | Add name and title in constructor. | |
79 | ||
8b31bfac | 80 | Revision 1.48 2001/12/20 11:44:28 morsch |
81 | Add kinematic bias for direct gamma production. | |
82 | ||
b2bb450d | 83 | Revision 1.47 2001/12/19 14:45:00 morsch |
84 | Store number of trials in header. | |
85 | ||
fd8fb861 | 86 | Revision 1.46 2001/12/19 10:36:19 morsch |
87 | Add possibility if jet kinematic biasing. | |
88 | ||
988b118b | 89 | Revision 1.45 2001/11/28 08:06:52 morsch |
90 | Use fMaxLifeTime parameter. | |
91 | ||
8cdfd303 | 92 | Revision 1.44 2001/11/27 13:13:07 morsch |
93 | Maximum lifetime for long-lived particles to be put on the stack is parameter. | |
94 | It can be set via SetMaximumLifetime(..). | |
95 | ||
47fc6bd5 | 96 | Revision 1.43 2001/10/21 18:35:56 hristov |
97 | Several pointers were set to zero in the default constructors to avoid memory management problems | |
98 | ||
2685bf00 | 99 | Revision 1.42 2001/10/15 08:21:55 morsch |
100 | Vertex truncation settings moved to AliGenMC. | |
101 | ||
4c07486d | 102 | Revision 1.41 2001/10/08 08:45:42 morsch |
103 | Possibility of vertex cut added. | |
104 | ||
a0b2b296 | 105 | Revision 1.40 2001/09/25 11:30:23 morsch |
106 | Pass event vertex to header. | |
107 | ||
c5d36e84 | 108 | Revision 1.39 2001/07/27 17:09:36 morsch |
109 | Use local SetTrack, KeepTrack and SetHighWaterMark methods | |
110 | to delegate either to local stack or to stack owned by AliRun. | |
111 | (Piotr Skowronski, A.M.) | |
112 | ||
a99cf51f | 113 | Revision 1.38 2001/07/13 10:58:54 morsch |
114 | - Some coded moved to AliGenMC | |
115 | - Improved handling of secondary vertices. | |
116 | ||
fff02fee | 117 | Revision 1.37 2001/06/28 11:17:28 morsch |
118 | SetEventListRange setter added. Events in specified range are listed for | |
119 | debugging. (Yuri Kharlov) | |
120 | ||
11dfaf8d | 121 | Revision 1.36 2001/03/30 07:05:49 morsch |
122 | Final print-out in finish run. | |
123 | Write parton system for jet-production (preliminary solution). | |
124 | ||
9be6226f | 125 | Revision 1.35 2001/03/09 13:03:40 morsch |
126 | Process_t and Struc_Func_t moved to AliPythia.h | |
127 | ||
f1a48a38 | 128 | Revision 1.34 2001/02/14 15:50:40 hristov |
129 | The last particle in event marked using SetHighWaterMark | |
130 | ||
28adac24 | 131 | Revision 1.33 2001/01/30 09:23:12 hristov |
132 | Streamers removed (R.Brun) | |
133 | ||
a8a6107b | 134 | Revision 1.32 2001/01/26 19:55:51 hristov |
135 | Major upgrade of AliRoot code | |
136 | ||
2ab0c725 | 137 | Revision 1.31 2001/01/17 10:54:31 hristov |
138 | Better protection against FPE | |
139 | ||
0f9e52a3 | 140 | Revision 1.30 2000/12/18 08:55:35 morsch |
141 | Make AliPythia dependent generartors work with new scheme of random number generation | |
142 | ||
3356c022 | 143 | Revision 1.29 2000/12/04 11:22:03 morsch |
144 | Init of sRandom as in 1.15 | |
145 | ||
097ec7c1 | 146 | Revision 1.28 2000/12/02 11:41:39 morsch |
147 | Use SetRandom() to initialize random number generator in constructor. | |
148 | ||
1ed25e11 | 149 | Revision 1.27 2000/11/30 20:29:02 morsch |
150 | Initialise static variable sRandom in constructor: sRandom = fRandom; | |
151 | ||
ad1df918 | 152 | Revision 1.26 2000/11/30 07:12:50 alibrary |
153 | Introducing new Rndm and QA classes | |
154 | ||
65fb704d | 155 | Revision 1.25 2000/10/18 19:11:27 hristov |
156 | Division by zero fixed | |
157 | ||
919c2096 | 158 | Revision 1.24 2000/09/18 10:41:35 morsch |
159 | Add possibility to use nuclear structure functions from PDF library V8. | |
160 | ||
811826d8 | 161 | Revision 1.23 2000/09/14 14:05:40 morsch |
162 | dito | |
163 | ||
819f84ad | 164 | Revision 1.22 2000/09/14 14:02:22 morsch |
165 | - Correct conversion from mm to cm when passing particle vertex to MC. | |
166 | - Correct handling of fForceDecay == all. | |
167 | ||
4451ef92 | 168 | Revision 1.21 2000/09/12 14:14:55 morsch |
169 | Call fDecayer->ForceDecay() at the beginning of Generate(). | |
170 | ||
00d6ce7d | 171 | Revision 1.20 2000/09/06 14:29:33 morsch |
172 | Use AliPythia for event generation an AliDecayPythia for decays. | |
173 | Correct handling of "nodecay" option | |
174 | ||
18edb254 | 175 | Revision 1.19 2000/07/11 18:24:56 fca |
176 | Coding convention corrections + few minor bug fixes | |
177 | ||
aee8290b | 178 | Revision 1.18 2000/06/30 12:40:34 morsch |
179 | Pythia takes care of vertex smearing. Correct conversion from Pythia units (mm) to | |
180 | Geant units (cm). | |
181 | ||
1512e357 | 182 | Revision 1.17 2000/06/09 20:34:07 morsch |
183 | All coding rule violations except RS3 corrected | |
184 | ||
f87cfe57 | 185 | Revision 1.16 2000/05/15 15:04:20 morsch |
186 | The full event is written for fNtrack = -1 | |
187 | Coding rule violations corrected. | |
188 | ||
5ddeb374 | 189 | Revision 1.15 2000/04/26 10:14:24 morsch |
190 | Particles array has one entry more than pythia particle list. Upper bound of | |
191 | particle loop changed to np-1 (R. Guernane, AM) | |
192 | ||
2a0e6f5b | 193 | Revision 1.14 2000/04/05 08:36:13 morsch |
194 | Check status code of particles in Pythia event | |
195 | to avoid double counting as partonic state and final state particle. | |
196 | ||
23211d3e | 197 | Revision 1.13 1999/11/09 07:38:48 fca |
198 | Changes for compatibility with version 2.23 of ROOT | |
199 | ||
084c1b4a | 200 | Revision 1.12 1999/11/03 17:43:20 fca |
201 | New version from G.Martinez & A.Morsch | |
202 | ||
886b6f73 | 203 | Revision 1.11 1999/09/29 09:24:14 fca |
204 | Introduction of the Copyright and cvs Log | |
4c039060 | 205 | */ |
206 | ||
6d4dd317 | 207 | // |
208 | // Generator using the TPythia interface (via AliPythia) | |
209 | // to generate pp collisions. | |
210 | // Using SetNuclei() also nuclear modifications to the structure functions | |
211 | // can be taken into account. This makes, of course, only sense for the | |
212 | // generation of the products of hard processes (heavy flavor, jets ...) | |
213 | // | |
214 | // andreas.morsch@cern.ch | |
215 | // | |
216 | ||
217 | ||
fe4da5cc | 218 | #include "AliGenPythia.h" |
fff02fee | 219 | #include "AliGenPythiaEventHeader.h" |
18edb254 | 220 | #include "AliDecayerPythia.h" |
fe4da5cc | 221 | #include "AliRun.h" |
222 | #include "AliPythia.h" | |
18edb254 | 223 | #include "AliPDG.h" |
cc363573 | 224 | #include "AliConst.h" |
1578254f | 225 | #include <TParticle.h> |
18edb254 | 226 | #include <TSystem.h> |
cc363573 | 227 | #include <TTree.h> |
228 | #include <TDatabasePDG.h> | |
f87cfe57 | 229 | |
fe4da5cc | 230 | ClassImp(AliGenPythia) |
231 | ||
232 | AliGenPythia::AliGenPythia() | |
fff02fee | 233 | :AliGenMC() |
fe4da5cc | 234 | { |
18edb254 | 235 | // Default Constructor |
2685bf00 | 236 | fParticles = 0; |
237 | fPythia = 0; | |
988b118b | 238 | fDecayer = new AliDecayerPythia(); |
11dfaf8d | 239 | SetEventListRange(); |
988b118b | 240 | SetJetPhiRange(); |
241 | SetJetEtaRange(); | |
cc363573 | 242 | SetJetEtRange(); |
a7f29b20 | 243 | SetGammaPhiRange(); |
244 | SetGammaEtaRange(); | |
02a13f3d | 245 | SetPtKick(); |
fe4da5cc | 246 | } |
247 | ||
248 | AliGenPythia::AliGenPythia(Int_t npart) | |
fff02fee | 249 | :AliGenMC(npart) |
fe4da5cc | 250 | { |
251 | // default charm production at 5. 5 TeV | |
252 | // semimuonic decay | |
253 | // structure function GRVHO | |
254 | // | |
8b31bfac | 255 | fName = "Pythia"; |
256 | fTitle= "Particle Generator using PYTHIA"; | |
fe4da5cc | 257 | fXsection = 0.; |
811826d8 | 258 | fNucA1=0; |
259 | fNucA2=0; | |
fe4da5cc | 260 | SetProcess(); |
261 | SetStrucFunc(); | |
886b6f73 | 262 | SetForceDecay(); |
fe4da5cc | 263 | SetPtHard(); |
8a8f459f | 264 | SetYHard(); |
fe4da5cc | 265 | SetEnergyCMS(); |
18edb254 | 266 | fDecayer = new AliDecayerPythia(); |
1ed25e11 | 267 | // Set random number generator |
097ec7c1 | 268 | sRandom=fRandom; |
fff02fee | 269 | fFlavorSelect = 0; |
270 | // Produced particles | |
271 | fParticles = new TClonesArray("TParticle",1000); | |
c5d36e84 | 272 | fEventVertex.Set(3); |
988b118b | 273 | SetEventListRange(); |
274 | SetJetPhiRange(); | |
275 | SetJetEtaRange(); | |
cc363573 | 276 | SetJetEtRange(); |
a7f29b20 | 277 | SetGammaPhiRange(); |
278 | SetGammaEtaRange(); | |
6e91f0e6 | 279 | SetJetReconstructionMode(); |
02a13f3d | 280 | SetPtKick(); |
719b6b8a | 281 | // Options determining what to keep in the stack (Heavy flavour generation) |
282 | fStackFillOpt = kFlavorSelection; // Keep particle with selected flavor | |
283 | fFeedDownOpt = kTRUE; // allow feed down from higher family | |
284 | // Fragmentation on/off | |
285 | fFragmentation = kTRUE; | |
286 | // Default counting mode | |
287 | fCountMode = kCountAll; | |
fe4da5cc | 288 | } |
289 | ||
f87cfe57 | 290 | AliGenPythia::AliGenPythia(const AliGenPythia & Pythia) |
291 | { | |
292 | // copy constructor | |
6d4dd317 | 293 | Pythia.Copy(*this); |
f87cfe57 | 294 | } |
295 | ||
fe4da5cc | 296 | AliGenPythia::~AliGenPythia() |
297 | { | |
5ddeb374 | 298 | // Destructor |
fe4da5cc | 299 | } |
300 | ||
11dfaf8d | 301 | void AliGenPythia::SetEventListRange(Int_t eventFirst, Int_t eventLast) |
302 | { | |
303 | // Set a range of event numbers, for which a table | |
304 | // of generated particle will be printed | |
305 | fDebugEventFirst = eventFirst; | |
306 | fDebugEventLast = eventLast; | |
307 | if (fDebugEventLast==-1) fDebugEventLast=fDebugEventFirst; | |
308 | } | |
309 | ||
fe4da5cc | 310 | void AliGenPythia::Init() |
311 | { | |
5ddeb374 | 312 | // Initialisation |
cc363573 | 313 | |
314 | SetMC(AliPythia::Instance()); | |
fe4da5cc | 315 | fPythia=(AliPythia*) fgMCEvGen; |
316 | // | |
317 | fParentWeight=1./Float_t(fNpart); | |
318 | // | |
319 | // Forward Paramters to the AliPythia object | |
00d6ce7d | 320 | fDecayer->SetForceDecay(fForceDecay); |
18edb254 | 321 | fDecayer->Init(); |
00d6ce7d | 322 | |
18edb254 | 323 | |
fe4da5cc | 324 | fPythia->SetCKIN(3,fPtHardMin); |
35967770 | 325 | fPythia->SetCKIN(4,fPtHardMax); |
326 | fPythia->SetCKIN(7,fYHardMin); | |
327 | fPythia->SetCKIN(8,fYHardMax); | |
328 | ||
811826d8 | 329 | if (fNucA1 > 0 && fNucA2 > 0) fPythia->SetNuclei(fNucA1, fNucA2); |
719b6b8a | 330 | // Fragmentation? |
331 | if (fFragmentation) { | |
332 | fPythia->SetMSTP(111,1); | |
333 | } else { | |
334 | fPythia->SetMSTP(111,0); | |
335 | } | |
336 | ||
18edb254 | 337 | |
cc363573 | 338 | // initial state radiation |
339 | fPythia->SetMSTP(61,fGinit); | |
340 | // final state radiation | |
341 | fPythia->SetMSTP(71,fGfinal); | |
02a13f3d | 342 | // pt - kick |
343 | if (fPtKick > 0.) { | |
344 | fPythia->SetMSTP(91,1); | |
345 | fPythia->SetPARP(91,fPtKick); | |
346 | } else { | |
347 | fPythia->SetMSTP(91,0); | |
348 | } | |
4af58cc6 | 349 | |
350 | // fPythia->SetMSTJ(1,2); | |
02a13f3d | 351 | // |
4af58cc6 | 352 | fPythia->ProcInit(fProcess,fEnergyCMS,fStrucFunc); |
353 | ||
fe4da5cc | 354 | // Parent and Children Selection |
355 | switch (fProcess) | |
356 | { | |
f1a48a38 | 357 | case kPyCharm: |
f1a48a38 | 358 | case kPyCharmUnforced: |
fbd1348b | 359 | case kPyCharmPbMNR: |
b2bb450d | 360 | fParentSelect[0] = 411; |
361 | fParentSelect[1] = 421; | |
362 | fParentSelect[2] = 431; | |
363 | fParentSelect[3] = 4122; | |
8b31bfac | 364 | fFlavorSelect = 4; |
fe4da5cc | 365 | break; |
719b6b8a | 366 | case kPyD0PbMNR: |
367 | fParentSelect[0] = 421; | |
5f42cc16 | 368 | fFlavorSelect = 4; |
719b6b8a | 369 | break; |
f1a48a38 | 370 | case kPyBeauty: |
c0acde67 | 371 | case kPyBeautyPbMNR: |
fff02fee | 372 | fParentSelect[0]= 511; |
373 | fParentSelect[1]= 521; | |
374 | fParentSelect[2]= 531; | |
375 | fParentSelect[3]= 5122; | |
376 | fParentSelect[4]= 5132; | |
377 | fParentSelect[5]= 5232; | |
378 | fParentSelect[6]= 5332; | |
379 | fFlavorSelect = 5; | |
fe4da5cc | 380 | break; |
f1a48a38 | 381 | case kPyBeautyUnforced: |
fff02fee | 382 | fParentSelect[0] = 511; |
383 | fParentSelect[1] = 521; | |
384 | fParentSelect[2] = 531; | |
385 | fParentSelect[3] = 5122; | |
386 | fParentSelect[4] = 5132; | |
387 | fParentSelect[5] = 5232; | |
388 | fParentSelect[6] = 5332; | |
389 | fFlavorSelect = 5; | |
fe4da5cc | 390 | break; |
f1a48a38 | 391 | case kPyJpsiChi: |
392 | case kPyJpsi: | |
fff02fee | 393 | fParentSelect[0] = 443; |
fe4da5cc | 394 | break; |
f1a48a38 | 395 | case kPyMb: |
5f42cc16 | 396 | case kPyMbNonDiffr: |
f1a48a38 | 397 | case kPyJets: |
398 | case kPyDirectGamma: | |
5be1fe76 | 399 | break; |
fe4da5cc | 400 | } |
8a8f459f | 401 | // |
402 | // This counts the total number of calls to Pyevnt() per run. | |
403 | fTrialsRun = 0; | |
404 | fQ = 0.; | |
405 | fX1 = 0.; | |
406 | fX2 = 0.; | |
438003bb | 407 | fNev = 0 ; |
8a8f459f | 408 | // |
fff02fee | 409 | AliGenMC::Init(); |
fe4da5cc | 410 | } |
411 | ||
412 | void AliGenPythia::Generate() | |
413 | { | |
5ddeb374 | 414 | // Generate one event |
00d6ce7d | 415 | fDecayer->ForceDecay(); |
a0b2b296 | 416 | |
9be6226f | 417 | Float_t polar[3] = {0,0,0}; |
418 | Float_t origin[3] = {0,0,0}; | |
fff02fee | 419 | Float_t p[3]; |
5be1fe76 | 420 | // converts from mm/c to s |
421 | const Float_t kconv=0.001/2.999792458e8; | |
fe4da5cc | 422 | // |
fe4da5cc | 423 | Int_t nt=0; |
424 | Int_t jev=0; | |
7921755b | 425 | Int_t j, kf; |
fe4da5cc | 426 | fTrials=0; |
fff02fee | 427 | |
fd8fb861 | 428 | // Set collision vertex position |
aee8290b | 429 | if(fVertexSmear==kPerEvent) { |
1512e357 | 430 | fPythia->SetMSTP(151,1); |
fe4da5cc | 431 | for (j=0;j<3;j++) { |
fff02fee | 432 | fPythia->SetPARP(151+j, fOsigma[j]*10.); |
fe4da5cc | 433 | } |
aee8290b | 434 | } else if (fVertexSmear==kPerTrack) { |
fe4da5cc | 435 | fPythia->SetMSTP(151,0); |
fe4da5cc | 436 | } |
fff02fee | 437 | // event loop |
fe4da5cc | 438 | while(1) |
439 | { | |
084c1b4a | 440 | fPythia->Pyevnt(); |
11dfaf8d | 441 | if (gAlice->GetEvNumber()>=fDebugEventFirst && |
442 | gAlice->GetEvNumber()<=fDebugEventLast) fPythia->Pylist(1); | |
fe4da5cc | 443 | fTrials++; |
47fc6bd5 | 444 | |
fff02fee | 445 | fPythia->ImportParticles(fParticles,"All"); |
446 | ||
447 | // | |
448 | // | |
449 | // | |
450 | Int_t i; | |
451 | ||
452 | Int_t np = fParticles->GetEntriesFast(); | |
a0b2b296 | 453 | if (np == 0 ) continue; |
454 | // Get event vertex and discard the event if the Z coord. is too big | |
4c07486d | 455 | TParticle *iparticle = (TParticle *) fParticles->At(0); |
456 | Float_t distz = iparticle->Vz()/10.; | |
457 | if(TMath::Abs(distz)>fCutVertexZ*fOsigma[2]) continue; | |
a0b2b296 | 458 | // |
4c07486d | 459 | fEventVertex[0] = iparticle->Vx()/10.+fOrigin.At(0); |
460 | fEventVertex[1] = iparticle->Vy()/10.+fOrigin.At(1); | |
461 | fEventVertex[2] = iparticle->Vz()/10.+fOrigin.At(2); | |
a0b2b296 | 462 | // |
fff02fee | 463 | Int_t* pParent = new Int_t[np]; |
464 | Int_t* pSelected = new Int_t[np]; | |
465 | Int_t* trackIt = new Int_t[np]; | |
b9817493 | 466 | for (i=0; i< np; i++) { |
fff02fee | 467 | pParent[i] = -1; |
468 | pSelected[i] = 0; | |
719b6b8a | 469 | trackIt[i] = 0; |
fff02fee | 470 | } |
8a8f459f | 471 | |
719b6b8a | 472 | Int_t nc = 0; // Total n. of selected particles |
473 | Int_t nParents = 0; // Selected parents | |
474 | Int_t nTkbles = 0; // Trackable particles | |
a7f29b20 | 475 | if (fProcess != kPyMb && fProcess != kPyJets && |
476 | fProcess != kPyDirectGamma && | |
5f42cc16 | 477 | fProcess != kPyMbNonDiffr) { |
fd8fb861 | 478 | |
b9817493 | 479 | for (i = 0; i<np; i++) { |
c5d36e84 | 480 | iparticle = (TParticle *) fParticles->At(i); |
23211d3e | 481 | Int_t ks = iparticle->GetStatusCode(); |
a8228d85 | 482 | kf = CheckPDGCode(iparticle->GetPdgCode()); |
fff02fee | 483 | // No initial state partons |
2a0e6f5b | 484 | if (ks==21) continue; |
fe4da5cc | 485 | // |
fff02fee | 486 | // Heavy Flavor Selection |
5be1fe76 | 487 | // |
fff02fee | 488 | // quark ? |
489 | kf = TMath::Abs(kf); | |
490 | Int_t kfl = kf; | |
491 | // meson ? | |
492 | if (kfl > 10) kfl/=100; | |
493 | // baryon | |
494 | if (kfl > 10) kfl/=10; | |
495 | if (kfl > 10) kfl/=10; | |
496 | ||
497 | Int_t ipa = iparticle->GetFirstMother()-1; | |
498 | Int_t kfMo = 0; | |
499 | ||
500 | if (ipa > -1) { | |
501 | TParticle * mother = (TParticle *) fParticles->At(ipa); | |
502 | kfMo = TMath::Abs(mother->GetPdgCode()); | |
503 | } | |
719b6b8a | 504 | // What to keep in Stack? |
505 | Bool_t flavorOK = kFALSE; | |
506 | Bool_t selectOK = kFALSE; | |
507 | if (fFeedDownOpt) { | |
508 | if (kfl >= fFlavorSelect) flavorOK = kTRUE; | |
509 | } else { | |
510 | if (kfl > fFlavorSelect) { | |
511 | nc = -1; | |
512 | break; | |
513 | } | |
514 | if (kfl == fFlavorSelect) flavorOK = kTRUE; | |
515 | } | |
516 | switch (fStackFillOpt) { | |
517 | case kFlavorSelection: | |
518 | selectOK = kTRUE; | |
519 | break; | |
520 | case kParentSelection: | |
521 | if (ParentSelected(kf) || kf <= 10) selectOK = kTRUE; | |
522 | break; | |
523 | } | |
524 | if (flavorOK && selectOK) { | |
5be1fe76 | 525 | // |
fff02fee | 526 | // Heavy flavor hadron or quark |
fe4da5cc | 527 | // |
fff02fee | 528 | // Kinematic seletion on final state heavy flavor mesons |
529 | if (ParentSelected(kf) && !KinematicSelection(iparticle, 0)) | |
530 | { | |
719b6b8a | 531 | continue; |
fff02fee | 532 | } |
533 | pSelected[i] = 1; | |
719b6b8a | 534 | if (ParentSelected(kf)) ++nParents; // Update parent count |
fff02fee | 535 | // printf("\n particle (HF) %d %d %d", i, pSelected[i], kf); |
536 | } else { | |
537 | // Kinematic seletion on decay products | |
538 | if (fCutOnChild && ParentSelected(kfMo) && ChildSelected(kf) | |
539 | && !KinematicSelection(iparticle, 1)) | |
540 | { | |
719b6b8a | 541 | continue; |
fff02fee | 542 | } |
fe4da5cc | 543 | // |
fff02fee | 544 | // Decay products |
545 | // Select if mother was selected and is not tracked | |
546 | ||
547 | if (pSelected[ipa] && | |
548 | !trackIt[ipa] && // mother will be tracked ? | |
549 | kfMo != 5 && // mother is b-quark, don't store fragments | |
550 | kfMo != 4 && // mother is c-quark, don't store fragments | |
551 | kf != 92) // don't store string | |
552 | { | |
fe4da5cc | 553 | // |
fff02fee | 554 | // Semi-stable or de-selected: diselect decay products: |
fe4da5cc | 555 | // |
5be1fe76 | 556 | // |
47fc6bd5 | 557 | if (pSelected[i] == -1 || fDecayer->GetLifetime(kf) > fMaxLifeTime) |
fff02fee | 558 | { |
559 | Int_t ipF = iparticle->GetFirstDaughter(); | |
560 | Int_t ipL = iparticle->GetLastDaughter(); | |
561 | if (ipF > 0) for (j = ipF-1; j < ipL; j++) pSelected[j] = -1; | |
562 | } | |
563 | // printf("\n particle (decay) %d %d %d", i, pSelected[i], kf); | |
564 | pSelected[i] = (pSelected[i] == -1) ? 0 : 1; | |
565 | } | |
566 | } | |
567 | if (pSelected[i] == -1) pSelected[i] = 0; | |
568 | if (!pSelected[i]) continue; | |
719b6b8a | 569 | // Count quarks only if you did not include fragmentation |
570 | if (fFragmentation && kf <= 10) continue; | |
fff02fee | 571 | nc++; |
572 | // Decision on tracking | |
573 | trackIt[i] = 0; | |
574 | // | |
575 | // Track final state particle | |
576 | if (ks == 1) trackIt[i] = 1; | |
577 | // Track semi-stable particles | |
8cdfd303 | 578 | if ((ks ==1) || (fDecayer->GetLifetime(kf) > fMaxLifeTime)) trackIt[i] = 1; |
fff02fee | 579 | // Track particles selected by process if undecayed. |
580 | if (fForceDecay == kNoDecay) { | |
581 | if (ParentSelected(kf)) trackIt[i] = 1; | |
582 | } else { | |
583 | if (ParentSelected(kf)) trackIt[i] = 0; | |
584 | } | |
719b6b8a | 585 | if (trackIt[i] == 1) ++nTkbles; // Update trackable counter |
fff02fee | 586 | // |
587 | // | |
588 | ||
589 | } // particle selection loop | |
719b6b8a | 590 | if (nc > 0) { |
b9817493 | 591 | for (i = 0; i<np; i++) { |
fff02fee | 592 | if (!pSelected[i]) continue; |
593 | TParticle * iparticle = (TParticle *) fParticles->At(i); | |
594 | kf = CheckPDGCode(iparticle->GetPdgCode()); | |
5ec84200 | 595 | Int_t ks = iparticle->GetStatusCode(); |
a0b2b296 | 596 | p[0] = iparticle->Px(); |
597 | p[1] = iparticle->Py(); | |
598 | p[2] = iparticle->Pz(); | |
599 | origin[0] = fOrigin[0]+iparticle->Vx()/10.; | |
600 | origin[1] = fOrigin[1]+iparticle->Vy()/10.; | |
601 | origin[2] = fOrigin[2]+iparticle->Vz()/10.; | |
602 | Float_t tof = kconv*iparticle->T(); | |
603 | Int_t ipa = iparticle->GetFirstMother()-1; | |
fff02fee | 604 | Int_t iparent = (ipa > -1) ? pParent[ipa] : -1; |
a99cf51f | 605 | SetTrack(fTrackIt*trackIt[i] , |
5ec84200 | 606 | iparent, kf, p, origin, polar, tof, kPPrimary, nt, 1., ks); |
fff02fee | 607 | pParent[i] = nt; |
a99cf51f | 608 | KeepTrack(nt); |
fff02fee | 609 | } // SetTrack loop |
610 | } | |
611 | } else { | |
612 | nc = GenerateMB(); | |
5be1fe76 | 613 | } // mb ? |
fff02fee | 614 | |
b9817493 | 615 | if (pParent) delete[] pParent; |
616 | if (pSelected) delete[] pSelected; | |
617 | if (trackIt) delete[] trackIt; | |
618 | ||
fe4da5cc | 619 | if (nc > 0) { |
719b6b8a | 620 | switch (fCountMode) { |
621 | case kCountAll: | |
622 | // printf(" Count all \n"); | |
623 | jev += nc; | |
624 | break; | |
625 | case kCountParents: | |
626 | // printf(" Count parents \n"); | |
627 | jev += nParents; | |
628 | break; | |
629 | case kCountTrackables: | |
630 | // printf(" Count trackable \n"); | |
631 | jev += nTkbles; | |
632 | break; | |
633 | } | |
5ddeb374 | 634 | if (jev >= fNpart || fNpart == -1) { |
fe4da5cc | 635 | fKineBias=Float_t(fNpart)/Float_t(fTrials); |
23211d3e | 636 | printf("\n Trials: %i %i %i\n",fTrials, fNpart, jev); |
8a8f459f | 637 | |
638 | fQ += fPythia->GetVINT(51); | |
639 | fX1 += fPythia->GetVINT(41); | |
640 | fX2 += fPythia->GetVINT(42); | |
641 | fTrialsRun += fTrials; | |
642 | fNev++; | |
fd8fb861 | 643 | MakeHeader(); |
fe4da5cc | 644 | break; |
645 | } | |
646 | } | |
647 | } // event loop | |
a99cf51f | 648 | SetHighWaterMark(nt); |
fe4da5cc | 649 | // adjust weight due to kinematic selection |
650 | AdjustWeights(); | |
651 | // get cross-section | |
652 | fXsection=fPythia->GetPARI(1); | |
653 | } | |
654 | ||
fff02fee | 655 | Int_t AliGenPythia::GenerateMB() |
fe4da5cc | 656 | { |
5ec84200 | 657 | // |
658 | // Min Bias selection and other global selections | |
659 | // | |
fff02fee | 660 | Int_t i, kf, nt, iparent; |
661 | Int_t nc = 0; | |
662 | Float_t p[3]; | |
663 | Float_t polar[3] = {0,0,0}; | |
664 | Float_t origin[3] = {0,0,0}; | |
fff02fee | 665 | // converts from mm/c to s |
666 | const Float_t kconv=0.001/2.999792458e8; | |
4451ef92 | 667 | |
fff02fee | 668 | Int_t np = fParticles->GetEntriesFast(); |
669 | Int_t* pParent = new Int_t[np]; | |
b9817493 | 670 | for (i=0; i< np; i++) pParent[i] = -1; |
b2bb450d | 671 | if (fProcess == kPyJets || fProcess == kPyDirectGamma) { |
988b118b | 672 | TParticle* jet1 = (TParticle *) fParticles->At(6); |
673 | TParticle* jet2 = (TParticle *) fParticles->At(7); | |
674 | if (!CheckTrigger(jet1, jet2)) return 0; | |
675 | } | |
676 | ||
b9817493 | 677 | for (i = 0; i<np; i++) { |
fff02fee | 678 | Int_t trackIt = 0; |
679 | TParticle * iparticle = (TParticle *) fParticles->At(i); | |
680 | kf = CheckPDGCode(iparticle->GetPdgCode()); | |
681 | Int_t ks = iparticle->GetStatusCode(); | |
682 | Int_t km = iparticle->GetFirstMother(); | |
fff02fee | 683 | if ((ks == 1 && kf!=0 && KinematicSelection(iparticle, 0)) || |
684 | (ks != 1) || | |
685 | (fProcess == kPyJets && ks == 21 && km == 0 && i>1)) { | |
686 | nc++; | |
687 | if (ks == 1) trackIt = 1; | |
688 | Int_t ipa = iparticle->GetFirstMother()-1; | |
35967770 | 689 | |
fff02fee | 690 | iparent = (ipa > -1) ? pParent[ipa] : -1; |
35967770 | 691 | |
fe4da5cc | 692 | // |
fff02fee | 693 | // store track information |
a0b2b296 | 694 | p[0] = iparticle->Px(); |
695 | p[1] = iparticle->Py(); | |
696 | p[2] = iparticle->Pz(); | |
697 | origin[0] = fOrigin[0]+iparticle->Vx()/10.; | |
698 | origin[1] = fOrigin[1]+iparticle->Vy()/10.; | |
699 | origin[2] = fOrigin[2]+iparticle->Vz()/10.; | |
fff02fee | 700 | Float_t tof=kconv*iparticle->T(); |
a99cf51f | 701 | SetTrack(fTrackIt*trackIt, iparent, kf, p, origin, polar, |
35967770 | 702 | tof, kPPrimary, nt, 1., ks); |
a99cf51f | 703 | KeepTrack(nt); |
fff02fee | 704 | pParent[i] = nt; |
705 | } // select particle | |
706 | } // particle loop | |
707 | ||
708 | if (pParent) delete[] pParent; | |
fe4da5cc | 709 | |
fff02fee | 710 | printf("\n I've put %i particles on the stack \n",nc); |
fff02fee | 711 | return nc; |
712 | } | |
fe4da5cc | 713 | |
fe4da5cc | 714 | |
fff02fee | 715 | void AliGenPythia::FinishRun() |
716 | { | |
717 | // Print x-section summary | |
718 | fPythia->Pystat(1); | |
8a8f459f | 719 | fQ /= fNev; |
720 | fX1 /= fNev; | |
721 | fX2 /= fNev; | |
722 | printf("\nTotal number of Pyevnt() calls %d\n", fTrialsRun); | |
723 | printf("\nMean Q, x1, x2: %f %f %f\n", fQ, fX1, fX2); | |
724 | ||
725 | ||
fe4da5cc | 726 | } |
fff02fee | 727 | |
fe4da5cc | 728 | void AliGenPythia::AdjustWeights() |
729 | { | |
5ddeb374 | 730 | // Adjust the weights after generation of all events |
731 | // | |
5ddeb374 | 732 | TParticle *part; |
fe4da5cc | 733 | Int_t ntrack=gAlice->GetNtrack(); |
734 | for (Int_t i=0; i<ntrack; i++) { | |
2ab0c725 | 735 | part= gAlice->Particle(i); |
5ddeb374 | 736 | part->SetWeight(part->GetWeight()*fKineBias); |
fe4da5cc | 737 | } |
738 | } | |
811826d8 | 739 | |
740 | void AliGenPythia::SetNuclei(Int_t a1, Int_t a2) | |
741 | { | |
742 | // Treat protons as inside nuclei with mass numbers a1 and a2 | |
743 | fNucA1 = a1; | |
744 | fNucA2 = a2; | |
745 | } | |
fff02fee | 746 | |
747 | ||
cc363573 | 748 | void AliGenPythia::MakeHeader() |
fff02fee | 749 | { |
750 | // Builds the event header, to be called after each event | |
751 | AliGenEventHeader* header = new AliGenPythiaEventHeader("Pythia"); | |
cc363573 | 752 | // |
753 | // Event type | |
c5d36e84 | 754 | ((AliGenPythiaEventHeader*) header)->SetProcessType(fPythia->GetMSTI(1)); |
cc363573 | 755 | // |
756 | // Number of trials | |
fd8fb861 | 757 | ((AliGenPythiaEventHeader*) header)->SetTrials(fTrials); |
cc363573 | 758 | // |
759 | // Event Vertex | |
c5d36e84 | 760 | header->SetPrimaryVertex(fEventVertex); |
cc363573 | 761 | // |
762 | // Jets that have triggered | |
763 | if (fProcess == kPyJets) | |
764 | { | |
90cb8cdc | 765 | Int_t ntrig, njet; |
766 | Float_t jets[4][10]; | |
767 | GetJets(njet, ntrig, jets); | |
6e91f0e6 | 768 | |
cc363573 | 769 | for (Int_t i = 0; i < ntrig; i++) { |
770 | ((AliGenPythiaEventHeader*) header)->AddJet(jets[0][i], jets[1][i], jets[2][i], | |
771 | jets[3][i]); | |
772 | } | |
773 | } | |
c5d36e84 | 774 | gAlice->SetGenEventHeader(header); |
fff02fee | 775 | } |
811826d8 | 776 | |
988b118b | 777 | |
cc363573 | 778 | Bool_t AliGenPythia::CheckTrigger(TParticle* jet1, TParticle* jet2) |
988b118b | 779 | { |
780 | // Check the kinematic trigger condition | |
781 | // | |
b2bb450d | 782 | Double_t eta[2]; |
783 | eta[0] = jet1->Eta(); | |
784 | eta[1] = jet2->Eta(); | |
785 | Double_t phi[2]; | |
786 | phi[0] = jet1->Phi(); | |
787 | phi[1] = jet2->Phi(); | |
788 | Int_t pdg[2]; | |
789 | pdg[0] = jet1->GetPdgCode(); | |
790 | pdg[1] = jet2->GetPdgCode(); | |
988b118b | 791 | Bool_t triggered = kFALSE; |
b2bb450d | 792 | |
793 | if (fProcess == kPyJets) { | |
cc363573 | 794 | Int_t njets = 0; |
795 | Int_t ntrig = 0; | |
796 | Float_t jets[4][10]; | |
797 | // | |
798 | // Use Pythia clustering on parton level to determine jet axis | |
799 | // | |
6e91f0e6 | 800 | GetJets(njets, ntrig, jets); |
801 | ||
cc363573 | 802 | if (ntrig) triggered = kTRUE; |
803 | // | |
b2bb450d | 804 | } else { |
805 | Int_t ij = 0; | |
806 | Int_t ig = 1; | |
807 | if (pdg[0] == kGamma) { | |
808 | ij = 1; | |
809 | ig = 0; | |
810 | } | |
811 | //Check eta range first... | |
812 | if ((eta[ij] < fEtaMaxJet && eta[ij] > fEtaMinJet) && | |
813 | (eta[ig] < fEtaMaxGamma && eta[ig] > fEtaMinGamma)) | |
814 | { | |
815 | //Eta is okay, now check phi range | |
816 | if ((phi[ij] < fPhiMaxJet && phi[ij] > fPhiMinJet) && | |
817 | (phi[ig] < fPhiMaxGamma && phi[ig] > fPhiMinGamma)) | |
818 | { | |
819 | triggered = kTRUE; | |
820 | } | |
821 | } | |
988b118b | 822 | } |
823 | return triggered; | |
824 | } | |
811826d8 | 825 | |
f87cfe57 | 826 | AliGenPythia& AliGenPythia::operator=(const AliGenPythia& rhs) |
827 | { | |
828 | // Assignment operator | |
829 | return *this; | |
830 | } | |
fe4da5cc | 831 | |
cc363573 | 832 | void AliGenPythia::LoadEvent() |
833 | { | |
834 | // | |
835 | // Load event into Pythia Common Block | |
836 | // | |
837 | ||
838 | ||
839 | Int_t npart = (Int_t) (gAlice->TreeK())->GetEntries(); | |
840 | (fPythia->GetPyjets())->N = npart; | |
841 | ||
842 | for (Int_t part = 0; part < npart; part++) { | |
843 | TParticle *MPart = gAlice->Particle(part); | |
844 | Int_t kf = MPart->GetPdgCode(); | |
845 | Int_t ks = MPart->GetStatusCode(); | |
846 | Float_t px = MPart->Px(); | |
847 | Float_t py = MPart->Py(); | |
848 | Float_t pz = MPart->Pz(); | |
849 | Float_t e = MPart->Energy(); | |
850 | Float_t p = TMath::Sqrt(px * px + py * py + pz * pz); | |
851 | Float_t m = TMath::Sqrt(e * e - p * p); | |
852 | ||
853 | ||
854 | (fPythia->GetPyjets())->P[0][part] = px; | |
855 | (fPythia->GetPyjets())->P[1][part] = py; | |
856 | (fPythia->GetPyjets())->P[2][part] = pz; | |
857 | (fPythia->GetPyjets())->P[3][part] = e; | |
858 | (fPythia->GetPyjets())->P[4][part] = m; | |
859 | ||
860 | (fPythia->GetPyjets())->K[1][part] = kf; | |
861 | (fPythia->GetPyjets())->K[0][part] = ks; | |
862 | } | |
863 | } | |
864 | ||
4af58cc6 | 865 | void AliGenPythia::RecJetsUA1(Float_t eCellMin, Float_t eCellSeed, Float_t eMin, Float_t rMax, |
866 | Int_t& njets, Float_t jets [4][50]) | |
867 | { | |
868 | // | |
869 | // Calls the Pythia jet finding algorithm to find jets in the current event | |
870 | // | |
871 | // | |
872 | // Configure detector (EMCAL like) | |
873 | // | |
874 | fPythia->SetPARU(51,2.); | |
875 | fPythia->SetMSTU(51,Int_t(96 * 2./0.7)); | |
876 | fPythia->SetMSTU(52,3 * 144); | |
877 | // | |
878 | // Configure Jet Finder | |
879 | // | |
880 | fPythia->SetPARU(58, eCellMin); | |
881 | fPythia->SetPARU(52, eCellSeed); | |
882 | fPythia->SetPARU(53, eMin); | |
883 | fPythia->SetPARU(54, rMax); | |
884 | fPythia->SetMSTU(54, 2); | |
885 | // | |
886 | // Save jets | |
887 | Int_t n = fPythia->GetN(); | |
888 | ||
889 | // | |
890 | // Run Jet Finder | |
891 | fPythia->Pycell(njets); | |
892 | Int_t i; | |
893 | for (i = 0; i < njets; i++) { | |
894 | Float_t px = (fPythia->GetPyjets())->P[0][n+i]; | |
895 | Float_t py = (fPythia->GetPyjets())->P[1][n+i]; | |
896 | Float_t pz = (fPythia->GetPyjets())->P[2][n+i]; | |
897 | Float_t e = (fPythia->GetPyjets())->P[3][n+i]; | |
6e91f0e6 | 898 | |
4af58cc6 | 899 | jets[0][i] = px; |
900 | jets[1][i] = py; | |
901 | jets[2][i] = pz; | |
902 | jets[3][i] = e; | |
903 | } | |
904 | } | |
905 | ||
cc363573 | 906 | |
6e91f0e6 | 907 | |
908 | void AliGenPythia::GetJets(Int_t& nJets, Int_t& nJetsTrig, Float_t jets[4][10]) | |
cc363573 | 909 | { |
910 | // | |
911 | // Calls the Pythia clustering algorithm to find jets in the current event | |
912 | // | |
913 | Int_t n = fPythia->GetN(); | |
914 | nJets = 0; | |
915 | nJetsTrig = 0; | |
6e91f0e6 | 916 | if (fJetReconstruction == kCluster) { |
cc363573 | 917 | // |
918 | // Configure cluster algorithm | |
919 | // | |
6e91f0e6 | 920 | fPythia->SetPARU(43, 2.); |
921 | fPythia->SetMSTU(41, 1); | |
cc363573 | 922 | // |
923 | // Call cluster algorithm | |
924 | // | |
6e91f0e6 | 925 | fPythia->Pyclus(nJets); |
cc363573 | 926 | // |
927 | // Loading jets from common block | |
928 | // | |
6e91f0e6 | 929 | } else { |
930 | // | |
931 | // Configure detector (EMCAL like) | |
932 | // | |
933 | fPythia->SetPARU(51,2.); | |
934 | fPythia->SetMSTU(51,Int_t(96 * 2./0.7)); | |
935 | fPythia->SetMSTU(52,3 * 144); | |
936 | // | |
937 | // Configure Jet Finder | |
938 | // | |
939 | fPythia->SetPARU(58, 0.0); | |
940 | fPythia->SetPARU(52, 4.0); | |
941 | fPythia->SetPARU(53, 10.0); | |
90cb8cdc | 942 | fPythia->SetPARU(54, 1.0); |
6e91f0e6 | 943 | fPythia->SetMSTU(54, 2); |
944 | // | |
945 | // Run Jet Finder | |
946 | fPythia->Pycell(nJets); | |
947 | } | |
948 | ||
cc363573 | 949 | Int_t i; |
950 | for (i = 0; i < nJets; i++) { | |
951 | Float_t px = (fPythia->GetPyjets())->P[0][n+i]; | |
952 | Float_t py = (fPythia->GetPyjets())->P[1][n+i]; | |
953 | Float_t pz = (fPythia->GetPyjets())->P[2][n+i]; | |
954 | Float_t e = (fPythia->GetPyjets())->P[3][n+i]; | |
955 | Float_t pt = TMath::Sqrt(px * px + py * py); | |
956 | Float_t phi = TMath::ATan2(py,px); | |
957 | Float_t theta = TMath::ATan2(pt,pz); | |
958 | Float_t et = e * TMath::Sin(theta); | |
959 | Float_t eta = -TMath::Log(TMath::Tan(theta / 2.)); | |
960 | ||
961 | if ( | |
962 | eta > fEtaMinJet && eta < fEtaMaxJet && | |
963 | phi > fPhiMinJet && eta < fPhiMaxJet && | |
964 | et > fEtMinJet && et < fEtMaxJet | |
965 | ) | |
966 | { | |
cc363573 | 967 | jets[0][nJetsTrig] = px; |
968 | jets[1][nJetsTrig] = py; | |
969 | jets[2][nJetsTrig] = pz; | |
970 | jets[3][nJetsTrig] = e; | |
971 | nJetsTrig++; | |
972 | ||
973 | } else { | |
974 | // printf("\n........-Jet #%d: %10.3f %10.3f %10.3f %10.3f \n", i, pt, et, eta, phi * kRaddeg); | |
975 | } | |
976 | } | |
977 | } | |
fe4da5cc | 978 | |
811826d8 | 979 | |
a8a6107b | 980 | #ifdef never |
18edb254 | 981 | void AliGenPythia::Streamer(TBuffer &R__b) |
982 | { | |
983 | // Stream an object of class AliGenPythia. | |
984 | ||
985 | if (R__b.IsReading()) { | |
986 | Version_t R__v = R__b.ReadVersion(); if (R__v) { } | |
987 | AliGenerator::Streamer(R__b); | |
988 | R__b >> (Int_t&)fProcess; | |
989 | R__b >> (Int_t&)fStrucFunc; | |
990 | R__b >> (Int_t&)fForceDecay; | |
991 | R__b >> fEnergyCMS; | |
992 | R__b >> fKineBias; | |
993 | R__b >> fTrials; | |
994 | fParentSelect.Streamer(R__b); | |
995 | fChildSelect.Streamer(R__b); | |
996 | R__b >> fXsection; | |
997 | // (AliPythia::Instance())->Streamer(R__b); | |
998 | R__b >> fPtHardMin; | |
999 | R__b >> fPtHardMax; | |
1000 | // if (fDecayer) fDecayer->Streamer(R__b); | |
1001 | } else { | |
1002 | R__b.WriteVersion(AliGenPythia::IsA()); | |
1003 | AliGenerator::Streamer(R__b); | |
1004 | R__b << (Int_t)fProcess; | |
1005 | R__b << (Int_t)fStrucFunc; | |
1006 | R__b << (Int_t)fForceDecay; | |
1007 | R__b << fEnergyCMS; | |
1008 | R__b << fKineBias; | |
1009 | R__b << fTrials; | |
1010 | fParentSelect.Streamer(R__b); | |
1011 | fChildSelect.Streamer(R__b); | |
1012 | R__b << fXsection; | |
1013 | // R__b << fPythia; | |
1014 | R__b << fPtHardMin; | |
1015 | R__b << fPtHardMax; | |
1016 | // fDecayer->Streamer(R__b); | |
1017 | } | |
1018 | } | |
a8a6107b | 1019 | #endif |
18edb254 | 1020 |