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1/* $Id: AliTriggerAnalysis.cxx 35782 2009-10-22 11:54:31Z jgrosseo $ */
2
3/**************************************************************************
4 * Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
5 * *
6 * Author: The ALICE Off-line Project. *
7 * Contributors are mentioned in the code where appropriate. *
8 * *
9 * Permission to use, copy, modify and distribute this software and its *
10 * documentation strictly for non-commercial purposes is hereby granted *
11 * without fee, provided that the above copyright notice appears in all *
12 * copies and that both the copyright notice and this permission notice *
13 * appear in the supporting documentation. The authors make no claims *
14 * about the suitability of this software for any purpose. It is *
15 * provided "as is" without express or implied warranty. *
16 **************************************************************************/
17
18//-------------------------------------------------------------------------
19// Implementation of Class AliTriggerAnalysis
20// This class provides function to check if events have been triggered based on the data in the ESD
21// The trigger bits, trigger class inputs and only the data (offline trigger) can be used
22// Origin: Jan Fiete Grosse-Oetringhaus, CERN
23//-------------------------------------------------------------------------
24
25#include <Riostream.h>
26#include <TH1F.h>
27#include <TH2F.h>
28#include <TList.h>
29#include <TIterator.h>
30#include "TParameter.h"
31#include <TMap.h>
32#include <TRandom.h>
33
34#include <AliTriggerAnalysis.h>
35
36#include <AliLog.h>
37#include <AliAnalysisManager.h>
38
39#include <AliESDEvent.h>
40
41#include <AliMultiplicity.h>
42#include <AliESDVZERO.h>
43#include <AliESDZDC.h>
44#include <AliESDFMD.h>
45#include <AliESDVertex.h>
46#include <AliESDtrackCuts.h>
47
48ClassImp(AliTriggerAnalysis)
49
50AliTriggerAnalysis::AliTriggerAnalysis() :
51 fSPDGFOThreshold(2),
52 fSPDGFOEfficiency(0),
53 fV0TimeOffset(0),
54 fV0AdcThr(0),
55 fV0HwAdcThr(2.5),
56 fV0HwWinLow(61.5),
57 fV0HwWinHigh(86.5),
58 fZDCCutRefSum(-568.5),
59 fZDCCutRefDelta(-2.1),
60 fZDCCutSigmaSum(3.25),
61 fZDCCutSigmaDelta(2.25),
62 fZDCCutRefSumCorr(-65.5),
63 fZDCCutRefDeltaCorr(-2.1),
64 fZDCCutSigmaSumCorr(6.0),
65 fZDCCutSigmaDeltaCorr(1.2),
66 fASPDCvsTCut(65),
67 fBSPDCvsTCut(4),
68 fDoFMD(kTRUE),
69 fFMDLowCut(0.2),
70 fFMDHitCut(0.5),
71 fHistBitsSPD(0),
72 fHistFiredBitsSPD(0),
73 fHistSPDClsVsTrk(0),
74 fHistV0A(0),
75 fHistV0C(0),
76 fHistZDC(0),
77 fHistTDCZDC(0),
78 fHistTimeZDC(0),
79 fHistTimeCorrZDC(0),
80 fHistFMDA(0),
81 fHistFMDC(0),
82 fHistFMDSingle(0),
83 fHistFMDSum(0),
84 fHistT0(0),
85 fTriggerClasses(0),
86 fMC(kFALSE),
87 fEsdTrackCuts(0),
88 fTPCOnly(kFALSE)
89{
90 // constructor
91}
92
93AliTriggerAnalysis::~AliTriggerAnalysis()
94{
95 // destructor
96
97 if (fHistBitsSPD)
98 {
99 delete fHistBitsSPD;
100 fHistBitsSPD = 0;
101 }
102
103 if (fHistFiredBitsSPD)
104 {
105 delete fHistFiredBitsSPD;
106 fHistFiredBitsSPD = 0;
107 }
108
109 if (fHistSPDClsVsTrk)
110 {
111 delete fHistSPDClsVsTrk;
112 fHistSPDClsVsTrk = 0;
113 }
114
115 if (fHistV0A)
116 {
117 delete fHistV0A;
118 fHistV0A = 0;
119 }
120
121 if (fHistV0C)
122 {
123 delete fHistV0C;
124 fHistV0C = 0;
125 }
126
127 if (fHistZDC)
128 {
129 delete fHistZDC;
130 fHistZDC = 0;
131 }
132 if (fHistTDCZDC)
133 {
134 delete fHistTDCZDC;
135 fHistTDCZDC = 0;
136 }
137 if (fHistTimeZDC)
138 {
139 delete fHistTimeZDC;
140 fHistTimeZDC = 0;
141 }
142 if (fHistTimeCorrZDC)
143 {
144 delete fHistTimeCorrZDC;
145 fHistTimeCorrZDC = 0;
146 }
147
148 if (fHistFMDA)
149 {
150 delete fHistFMDA;
151 fHistFMDA = 0;
152 }
153
154 if (fHistFMDC)
155 {
156 delete fHistFMDC;
157 fHistFMDC = 0;
158 }
159
160 if (fHistFMDSingle)
161 {
162 delete fHistFMDSingle;
163 fHistFMDSingle = 0;
164 }
165
166 if (fHistFMDSum)
167 {
168 delete fHistFMDSum;
169 fHistFMDSum = 0;
170 }
171
172 if (fHistT0)
173 {
174 delete fHistT0;
175 fHistT0 = 0;
176 }
177
178 if (fTriggerClasses)
179 {
180 fTriggerClasses->DeleteAll();
181 delete fTriggerClasses;
182 fTriggerClasses = 0;
183 }
184
185 if (fEsdTrackCuts){
186 delete fEsdTrackCuts;
187 fEsdTrackCuts =0;
188 }
189}
190
191void AliTriggerAnalysis::EnableHistograms()
192{
193 // creates the monitoring histograms
194
195 // do not add this hists to the directory
196 Bool_t oldStatus = TH1::AddDirectoryStatus();
197 TH1::AddDirectory(kFALSE);
198
199 fHistBitsSPD = new TH2F("fHistBitsSPD", "SPD GFO;number of fired chips (offline);number of fired chips (hardware)", 1202, -1.5, 1200.5, 1202, -1.5, 1200.5);
200 fHistFiredBitsSPD = new TH1F("fHistFiredBitsSPD", "SPD GFO Hardware;chip number;events", 1200, -0.5, 1199.5);
201 fHistSPDClsVsTrk = new TH2F("fHistSPDClsVsTrk", "SPD Clusters vs Tracklets", 300, -0.5, 2999.5, 1000, -0.5, 9999.5);
202 fHistV0A = new TH1F("fHistV0A", "V0A;leading time (ns);events", 400, -100, 100);
203 fHistV0C = new TH1F("fHistV0C", "V0C;leading time (ns);events", 400, -100, 100);
204 fHistZDC = new TH1F("fHistZDC", "ZDC;trigger bits;events", 8, -1.5, 6.5);
205 fHistTDCZDC = new TH1F("fHistTDCZDC", "ZDC;TDC bits;events", 32, -0.5, 32-0.5);
206 fHistTimeZDC = new TH2F("fHistTimeZDC", "ZDC;TDC timing A+C vs C-A; events", 120,-30,30,120,-600,-540);
207 fHistTimeCorrZDC = new TH2F("fHistTimeCorrZDC", "ZDC;Corrected TDC timing A+C vs C-A; events", 120,-30,30,260,-100,30);
208
209 // TODO check limits
210 fHistFMDA = new TH1F("fHistFMDA", "FMDA;combinations above threshold;events", 102, -1.5, 100.5);
211 fHistFMDC = new TH1F("fHistFMDC", "FMDC;combinations above threshold;events", 102, -1.5, 100.5);
212 fHistFMDSingle = new TH1F("fHistFMDSingle", "FMD single;multiplicity value;counts", 1000, 0, 10);
213 fHistFMDSum = new TH1F("fHistFMDSum", "FMD sum;multiplicity value;counts", 1000, 0, 10);
214 fHistT0 = new TH1F("fHistT0", "T0;time (ns);events", 100, -25, 25);
215
216 fTriggerClasses = new TMap;
217 fTriggerClasses->SetOwner();
218
219 TH1::AddDirectory(oldStatus);
220}
221
222//____________________________________________________________________
223const char* AliTriggerAnalysis::GetTriggerName(Trigger trigger)
224{
225 // returns the name of the requested trigger
226 // the returned string will only be valid until the next call to this function [not thread-safe]
227
228 static TString str;
229
230 UInt_t triggerNoFlags = (UInt_t) trigger % (UInt_t) kStartOfFlags;
231
232 switch (triggerNoFlags)
233 {
234 case kAcceptAll : str = "ACCEPT ALL (bypass!)"; break;
235 case kMB1 : str = "MB1"; break;
236 case kMB2 : str = "MB2"; break;
237 case kMB3 : str = "MB3"; break;
238 case kSPDGFO : str = "SPD GFO"; break;
239 case kSPDGFOBits : str = "SPD GFO Bits"; break;
240 case kSPDGFOL0 : str = "SPD GFO L0 (first layer)"; break;
241 case kSPDGFOL1 : str = "SPD GFO L1 (second layer)"; break;
242 case kSPDClsVsTrkBG : str = "Cluster vs Tracklets"; break;
243 case kV0A : str = "V0 A BB"; break;
244 case kV0C : str = "V0 C BB"; break;
245 case kV0OR : str = "V0 OR BB"; break;
246 case kV0AND : str = "V0 AND BB"; break;
247 case kV0ABG : str = "V0 A BG"; break;
248 case kV0CBG : str = "V0 C BG"; break;
249 case kZDC : str = "ZDC"; break;
250 case kZDCA : str = "ZDC A"; break;
251 case kZDCC : str = "ZDC C"; break;
252 case kZNA : str = "ZN A"; break;
253 case kZNC : str = "ZN C"; break;
254 case kZNABG : str = "ZN A BG"; break;
255 case kZNCBG : str = "ZN C BG"; break;
256 case kFMDA : str = "FMD A"; break;
257 case kFMDC : str = "FMD C"; break;
258 case kFPANY : str = "SPD GFO | V0 | ZDC | FMD"; break;
259 case kNSD1 : str = "NSD1"; break;
260 case kMB1Prime: str = "MB1prime"; break;
261 case kZDCTDCA : str = "ZDC TDC A"; break;
262 case kZDCTDCC : str = "ZDC TDC C"; break;
263 case kZDCTime : str = "ZDC Time Cut"; break;
264 case kCentral : str = "V0 Central"; break;
265 case kSemiCentral : str = "V0 Semi-central"; break;
266 case kEMCAL : str = "EMCAL"; break;
267 default: str = ""; break;
268 }
269
270 if (trigger & kOfflineFlag)
271 str += " OFFLINE";
272
273 if (trigger & kOneParticle)
274 str += " OneParticle";
275
276 if (trigger & kOneTrack)
277 str += " OneTrack";
278
279 return str;
280}
281
282Bool_t AliTriggerAnalysis::IsTriggerFired(const AliESDEvent* aEsd, Trigger trigger)
283{
284 // checks if an event has been triggered
285
286 if (trigger & kOfflineFlag)
287 return IsOfflineTriggerFired(aEsd, trigger);
288
289 return IsTriggerBitFired(aEsd, trigger);
290}
291
292Bool_t AliTriggerAnalysis::IsTriggerBitFired(const AliESDEvent* aEsd, Trigger trigger) const
293{
294 // checks if an event is fired using the trigger bits
295
296 return IsTriggerBitFired(aEsd->GetTriggerMask(), trigger);
297}
298
299Bool_t AliTriggerAnalysis::IsTriggerBitFired(ULong64_t triggerMask, Trigger trigger) const
300{
301 // checks if an event is fired using the trigger bits
302 //
303 // this function needs the branch TriggerMask in the ESD
304
305 // definitions from p-p.cfg
306 ULong64_t spdFO = (1 << 14);
307 ULong64_t v0left = (1 << 10);
308 ULong64_t v0right = (1 << 11);
309
310 switch (trigger)
311 {
312 case kAcceptAll:
313 {
314 return kTRUE;
315 break;
316 }
317 case kMB1:
318 {
319 if (triggerMask & spdFO || ((triggerMask & v0left) || (triggerMask & v0right)))
320 return kTRUE;
321 break;
322 }
323 case kMB2:
324 {
325 if (triggerMask & spdFO && ((triggerMask & v0left) || (triggerMask & v0right)))
326 return kTRUE;
327 break;
328 }
329 case kMB3:
330 {
331 if (triggerMask & spdFO && (triggerMask & v0left) && (triggerMask & v0right))
332 return kTRUE;
333 break;
334 }
335 case kSPDGFO:
336 {
337 if (triggerMask & spdFO)
338 return kTRUE;
339 break;
340 }
341 default:
342 Printf("IsEventTriggered: ERROR: Trigger type %d not implemented in this method", (Int_t) trigger);
343 break;
344 }
345
346 return kFALSE;
347}
348
349Bool_t AliTriggerAnalysis::IsTriggerBitFired(const AliESDEvent* aEsd, ULong64_t tclass) const
350{
351 // Checks if corresponding bit in mask is on
352
353 ULong64_t trigmask = aEsd->GetTriggerMask();
354 return (trigmask & (1ull << (tclass-1)));
355}
356
357Int_t AliTriggerAnalysis::EvaluateTrigger(const AliESDEvent* aEsd, Trigger trigger)
358{
359 // evaluates a given trigger "offline"
360 // trigger combinations are not supported, for that see IsOfflineTriggerFired
361
362 UInt_t triggerNoFlags = (UInt_t) trigger % (UInt_t) kStartOfFlags;
363 Bool_t offline = kFALSE;
364 if (trigger & kOfflineFlag)
365 offline = kTRUE;
366
367 Int_t decision = 0;
368 switch (triggerNoFlags)
369 {
370 case kSPDGFO:
371 {
372 decision = SPDFiredChips(aEsd, (offline) ? 0 : 1);
373 break;
374 }
375 case kSPDGFOL0:
376 {
377 decision = SPDFiredChips(aEsd, (offline) ? 0 : 1, kFALSE, 1);
378 break;
379 }
380 case kSPDGFOL1:
381 {
382 decision = SPDFiredChips(aEsd, (offline) ? 0 : 1, kFALSE, 2);
383 break;
384 }
385 case kSPDClsVsTrkBG:
386 {
387 if(!offline)
388 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
389 decision = IsSPDClusterVsTrackletBG(aEsd);
390 break;
391 }
392 case kV0A:
393 {
394 if (V0Trigger(aEsd, kASide, !offline) == kV0BB)
395 decision = 1;
396 break;
397 }
398 case kV0C:
399 {
400 if (V0Trigger(aEsd, kCSide, !offline) == kV0BB)
401 decision = 1;
402 break;
403 }
404 case kV0ABG:
405 {
406 if (V0Trigger(aEsd, kASide, !offline) == kV0BG)
407 decision = 1;
408 break;
409 }
410 case kV0CBG:
411 {
412 if (V0Trigger(aEsd, kCSide, !offline) == kV0BG)
413 decision = 1;
414 break;
415 }
416 case kT0:
417 {
418 if (T0Trigger(aEsd, !offline) == kT0BB)
419 decision = 1;
420 break;
421 }
422 case kT0BG:
423 {
424 if (!offline)
425 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
426 if (T0Trigger(aEsd, !offline) == kT0DecBG)
427 decision = 1;
428 break;
429 }
430 case kT0Pileup:
431 {
432 if (!offline)
433 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
434 if (T0Trigger(aEsd, !offline) == kT0DecPileup)
435 decision = 1;
436 break;
437 }
438 case kZDCA:
439 {
440 if (!offline)
441 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
442 if (ZDCTrigger(aEsd, kASide))
443 decision = 1;
444 break;
445 }
446 case kZDCC:
447 {
448 if (!offline)
449 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
450 if (ZDCTrigger(aEsd, kCSide))
451 decision = 1;
452 break;
453 }
454 case kZDCTDCA:
455 {
456 if (!offline)
457 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
458 if (ZDCTDCTrigger(aEsd, kASide))
459 decision = 1;
460 break;
461 }
462 case kZDCTDCC:
463 {
464 if (!offline)
465 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
466 if (ZDCTDCTrigger(aEsd, kCSide))
467 decision = 1;
468 break;
469 }
470 case kZDCTime:
471 {
472 if (!offline)
473 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
474 if (ZDCTimeTrigger(aEsd))
475 decision = 1;
476 break;
477 }
478 case kZNA:
479 {
480 if (!offline)
481 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
482 if (ZDCTDCTrigger(aEsd,kASide,kTRUE,kFALSE,kFALSE))
483 decision = 1;
484 break;
485 }
486 case kZNC:
487 {
488 if (!offline)
489 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
490 if (ZDCTDCTrigger(aEsd,kCSide,kTRUE,kFALSE,kFALSE))
491 decision = 1;
492 break;
493 }
494 case kZNABG:
495 {
496 if (!offline)
497 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
498 if (ZDCTimeBGTrigger(aEsd,kASide))
499 decision = 1;
500 break;
501 }
502 case kZNCBG:
503 {
504 if (!offline)
505 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
506 if (ZDCTimeBGTrigger(aEsd,kCSide))
507 decision = 1;
508 break;
509 }
510 case kFMDA:
511 {
512 if (!offline)
513 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
514 if (FMDTrigger(aEsd, kASide))
515 decision = 1;
516 break;
517 }
518 case kFMDC:
519 {
520 if (!offline)
521 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
522 if (FMDTrigger(aEsd, kCSide))
523 decision = 1;
524 break;
525 }
526 case kCTPV0A:
527 {
528 if (offline)
529 AliFatal(Form("Offline trigger not available for trigger %d", triggerNoFlags));
530 if (IsL0InputFired(aEsd, 2))
531 decision = 1;
532 break;
533 }
534 case kCTPV0C:
535 {
536 if (offline)
537 AliFatal(Form("Offline trigger not available for trigger %d", triggerNoFlags));
538 if (IsL0InputFired(aEsd, 3))
539 decision = 1;
540 break;
541 }
542 case kTPCLaserWarmUp:
543 {
544 if (!offline)
545 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
546 return IsLaserWarmUpTPCEvent(aEsd);
547 }
548 case kCentral:
549 {
550 if (offline)
551 AliFatal(Form("Offline trigger not available for trigger %d - use centrality selection", triggerNoFlags));
552 if (aEsd->GetVZEROData()) {
553 if (aEsd->GetVZEROData()->TestBit(AliESDVZERO::kTriggerChargeBitsFilled)) {
554 if (aEsd->GetVZEROData()->GetTriggerBits() & (1<<AliESDVZERO::kCTA2andCTC2))
555 decision = kTRUE;
556 }
557 else
558 AliWarning("V0 centrality trigger bits were not filled!");
559 }
560 break;
561 }
562 case kSemiCentral:
563 {
564 if (offline)
565 AliFatal(Form("Offline trigger not available for trigger %d - use centrality selection", triggerNoFlags));
566 if (aEsd->GetVZEROData()) {
567 if (aEsd->GetVZEROData()->TestBit(AliESDVZERO::kTriggerChargeBitsFilled)) {
568 if (aEsd->GetVZEROData()->GetTriggerBits() & (1<<AliESDVZERO::kCTA1andCTC1))
569 decision = kTRUE;
570 }
571 else
572 AliWarning("V0 centrality trigger bits were not filled!");
573 }
574 break;
575 }
576 case kEMCAL:
577 {
578 if(!offline)
579 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
580 if (EMCALCellsTrigger(aEsd))
581 decision = kTRUE;
582 break;
583 }
584 default:
585 {
586 AliFatal(Form("Trigger type %d not implemented", triggerNoFlags));
587 }
588 }
589
590 return decision;
591}
592
593Bool_t AliTriggerAnalysis::IsLaserWarmUpTPCEvent(const AliESDEvent* esd)
594{
595 //
596 // This function flags noisy TPC events which can happen during laser warm-up.
597 //
598
599 Int_t trackCounter = 0;
600 for (Int_t i=0; i<esd->GetNumberOfTracks(); ++i)
601 {
602 AliESDtrack *track = esd->GetTrack(i);
603 if (!track)
604 continue;
605
606 if (track->GetTPCNcls() < 30) continue;
607 if (TMath::Abs(track->Eta()) > 0.005) continue;
608 if (track->Pt() < 4) continue;
609 if (track->GetKinkIndex(0) > 0) continue;
610
611 UInt_t status = track->GetStatus();
612 if ((status&AliESDtrack::kITSrefit)==AliESDtrack::kITSrefit) continue; // explicitly ask for tracks without ITS refit
613 if ((status&AliESDtrack::kTPCrefit)!=AliESDtrack::kTPCrefit) continue;
614
615 if (track->GetTPCsignal() > 10) continue; // explicitly ask for tracks without dE/dx
616
617 trackCounter++;
618 }
619 if (trackCounter > 15)
620 return kTRUE;
621 return kFALSE;
622}
623
624Bool_t AliTriggerAnalysis::IsOfflineTriggerFired(const AliESDEvent* aEsd, Trigger trigger)
625{
626 // checks if an event has been triggered "offline"
627
628 UInt_t triggerNoFlags = (UInt_t) trigger % (UInt_t) kStartOfFlags;
629
630 Bool_t decision = kFALSE;
631 switch (triggerNoFlags)
632 {
633 case kAcceptAll:
634 {
635 decision = kTRUE;
636 break;
637 }
638 case kMB1:
639 {
640 if (SPDGFOTrigger(aEsd, 0) || V0Trigger(aEsd, kASide, kFALSE) == kV0BB || V0Trigger(aEsd, kCSide, kFALSE) == kV0BB)
641 decision = kTRUE;
642 break;
643 }
644 case kMB2:
645 {
646 if (SPDGFOTrigger(aEsd, 0) && (V0Trigger(aEsd, kASide, kFALSE) == kV0BB || V0Trigger(aEsd, kCSide, kFALSE) == kV0BB))
647 decision = kTRUE;
648 break;
649 }
650 case kMB3:
651 {
652 if (SPDGFOTrigger(aEsd, 0) && V0Trigger(aEsd, kASide, kFALSE) == kV0BB && V0Trigger(aEsd, kCSide, kFALSE) == kV0BB)
653 decision = kTRUE;
654 break;
655 }
656 case kSPDGFO:
657 {
658 if (SPDGFOTrigger(aEsd, 0))
659 decision = kTRUE;
660 break;
661 }
662 case kSPDGFOBits:
663 {
664 if (SPDGFOTrigger(aEsd, 1))
665 decision = kTRUE;
666 break;
667 }
668 case kV0A:
669 {
670 if (V0Trigger(aEsd, kASide, kFALSE) == kV0BB)
671 decision = kTRUE;
672 break;
673 }
674 case kV0C:
675 {
676 if (V0Trigger(aEsd, kCSide, kFALSE) == kV0BB)
677 decision = kTRUE;
678 break;
679 }
680 case kV0OR:
681 {
682 if (V0Trigger(aEsd, kASide, kFALSE) == kV0BB || V0Trigger(aEsd, kCSide, kFALSE) == kV0BB)
683 decision = kTRUE;
684 break;
685 }
686 case kV0AND:
687 {
688 if (V0Trigger(aEsd, kASide, kFALSE) == kV0BB && V0Trigger(aEsd, kCSide, kFALSE) == kV0BB)
689 decision = kTRUE;
690 break;
691 }
692 case kV0ABG:
693 {
694 if (V0Trigger(aEsd, kASide, kFALSE) == kV0BG)
695 decision = kTRUE;
696 break;
697 }
698 case kV0CBG:
699 {
700 if (V0Trigger(aEsd, kCSide, kFALSE) == kV0BG)
701 decision = kTRUE;
702 break;
703 }
704 case kZDC:
705 {
706 if (ZDCTrigger(aEsd, kASide) || ZDCTrigger(aEsd, kCentralBarrel) || ZDCTrigger(aEsd, kCSide))
707 decision = kTRUE;
708 break;
709 }
710 case kZDCA:
711 {
712 if (ZDCTrigger(aEsd, kASide))
713 decision = kTRUE;
714 break;
715 }
716 case kZDCC:
717 {
718 if (ZDCTrigger(aEsd, kCSide))
719 decision = kTRUE;
720 break;
721 }
722 case kZNA:
723 {
724 if (ZDCTDCTrigger(aEsd,kASide,kTRUE,kFALSE,kFALSE))
725 decision = kTRUE;
726 break;
727 }
728 case kZNC:
729 {
730 if (ZDCTDCTrigger(aEsd,kCSide,kTRUE,kFALSE,kFALSE))
731 decision = kTRUE;
732 break;
733 }
734 case kZNABG:
735 {
736 if (ZDCTimeBGTrigger(aEsd,kASide))
737 decision = kTRUE;
738 break;
739 }
740 case kZNCBG:
741 {
742 if (ZDCTimeBGTrigger(aEsd,kCSide))
743 decision = kTRUE;
744 break;
745 }
746 case kFMDA:
747 {
748 if (FMDTrigger(aEsd, kASide))
749 decision = kTRUE;
750 break;
751 }
752 case kFMDC:
753 {
754 if (FMDTrigger(aEsd, kCSide))
755 decision = kTRUE;
756 break;
757 }
758 case kFPANY:
759 {
760 if (SPDGFOTrigger(aEsd, 0) || V0Trigger(aEsd, kASide, kFALSE) == kV0BB || V0Trigger(aEsd, kCSide, kFALSE) == kV0BB || ZDCTrigger(aEsd, kASide) || ZDCTrigger(aEsd, kCentralBarrel) || ZDCTrigger(aEsd, kCSide) || FMDTrigger(aEsd, kASide) || FMDTrigger(aEsd, kCSide))
761 decision = kTRUE;
762 break;
763 }
764 case kNSD1:
765 {
766 if (SPDFiredChips(aEsd, 0) >= 5 || (V0Trigger(aEsd, kASide, kFALSE) == kV0BB && V0Trigger(aEsd, kCSide, kFALSE) == kV0BB))
767 decision = kTRUE;
768 break;
769 }
770 case kMB1Prime:
771 {
772 Int_t count = 0;
773 if (SPDGFOTrigger(aEsd, 0))
774 count++;
775 if (V0Trigger(aEsd, kASide, kFALSE) == kV0BB)
776 count++;
777 if (V0Trigger(aEsd, kCSide, kFALSE) == kV0BB)
778 count++;
779
780 if (count >= 2)
781 decision = kTRUE;
782
783 break;
784 }
785 case kEMCAL:
786 {
787 if (EMCALCellsTrigger(aEsd))
788 decision = kTRUE;
789 break;
790 }
791 default:
792 {
793 AliFatal(Form("Trigger type %d not implemented", triggerNoFlags));
794 }
795 }
796
797 // hadron-level requirement
798 if (decision && (trigger & kOneParticle))
799 {
800 decision = kFALSE;
801
802 const AliESDVertex* vertex = aEsd->GetPrimaryVertexSPD();
803 const AliMultiplicity* mult = aEsd->GetMultiplicity();
804
805 if (mult && vertex && vertex->GetNContributors() > 0 && (!vertex->IsFromVertexerZ() || vertex->GetDispersion() < 0.02) && TMath::Abs(vertex->GetZv()) < 5.5)
806 {
807 for (Int_t i=0; i<mult->GetNumberOfTracklets(); ++i)
808 {
809 if (TMath::Abs(mult->GetEta(i)) < 1)
810 {
811 decision = kTRUE;
812 break;
813 }
814 }
815 }
816 }
817
818 // hadron level definition for TPC tracks
819
820 if (decision && (trigger & kOneTrack))
821 {
822 decision = kFALSE;
823 const AliESDVertex* vertex =0x0;
824 vertex = aEsd->GetPrimaryVertexTracks();
825 if (!vertex || vertex->GetNContributors() <= 0)
826 {
827 vertex = aEsd->GetPrimaryVertexSPD();
828 }
829 Float_t ptmin, ptmax;
830 fEsdTrackCuts->GetPtRange(ptmin,ptmax);
831 AliDebug(3, Form("ptmin = %f, ptmax = %f\n",ptmin, ptmax));
832
833 if (vertex && vertex->GetNContributors() > 0 && (!vertex->IsFromVertexerZ() || vertex->GetDispersion() < 0.02) && TMath::Abs(vertex->GetZv()) < 10.) {
834 AliDebug(3,Form("Check on the vertex passed\n"));
835 for (Int_t i=0; i<aEsd->GetNumberOfTracks(); ++i){
836 if (fTPCOnly == kFALSE){
837 if (fEsdTrackCuts->AcceptTrack(aEsd->GetTrack(i))){
838 AliDebug(2, Form("pt of track = %f --> check passed\n",aEsd->GetTrack(i)->Pt()));
839 decision = kTRUE;
840 break;
841 }
842 }
843 else {
844 // TPC only tracks
845 AliESDtrack *tpcTrack = fEsdTrackCuts->GetTPCOnlyTrack((AliESDEvent*)aEsd, i);
846 if (!tpcTrack){
847 AliDebug(3,Form("track %d is NOT a TPC track",i));
848 continue;
849 }
850 else{
851 AliDebug(3,Form("track %d IS a TPC track",i));
852 if (!(fEsdTrackCuts->AcceptTrack(tpcTrack))) {
853 AliDebug(2, Form("TPC track %d NOT ACCEPTED, pt = %f, eta = %f",i,tpcTrack->Pt(), tpcTrack->Eta()));
854 delete tpcTrack; tpcTrack = 0x0;
855 continue;
856 } // end if the TPC track is not accepted
857 else{
858 AliDebug(2, Form("TPC track %d ACCEPTED, pt = %f, eta = %f",i,tpcTrack->Pt(), tpcTrack->Eta()));
859 decision = kTRUE;
860 delete tpcTrack; tpcTrack = 0x0;
861 break;
862 } // end if the TPC track is accepted
863 } // end if it is a TPC track
864 } // end if you are looking at TPC only tracks
865 } // end loop on tracks
866 } // end check on vertex
867 else{
868 AliDebug(4,Form("Check on the vertex not passed\n"));
869 for (Int_t i=0; i<aEsd->GetNumberOfTracks(); ++i){
870 if (fEsdTrackCuts->AcceptTrack(aEsd->GetTrack(i))){
871 AliDebug(4,Form("pt of track = %f --> check would be passed if the vertex was ok\n",aEsd->GetTrack(i)->Pt()));
872 break;
873 }
874 }
875 }
876 if (!decision) AliDebug(3,("Check for kOneTrack NOT passed\n"));
877 }
878
879 return decision;
880}
881
882Bool_t AliTriggerAnalysis::IsTriggerClassFired(const AliESDEvent* aEsd, const Char_t* tclass) const
883{
884 // tclass is logical function of inputs, e.g. 01 && 02 || 03 && 11 && 21
885 // = L0 inp 1 && L0 inp 2 || L0 inp 3 && L1 inp 1 && L2 inp 1
886 // NO brackets in logical function !
887 // Spaces between operators and inputs.
888 // Not all logical functions are available in CTP=
889 // =any function of first 4 inputs; 'AND' of other inputs, check not done
890 // This method will be replaced/complemened by similar one
891 // which works withh class and inputs names as in CTP cfg file
892
893 TString TClass(tclass);
894 TObjArray* tcltokens = TClass.Tokenize(" ");
895 Char_t level=((TObjString*)tcltokens->At(0))->String()[0];
896 UInt_t input=atoi((((TObjString*)tcltokens->At(0))->String()).Remove(0));
897 Bool_t tcl = IsInputFired(aEsd,level,input);
898
899 for (Int_t i=1;i<tcltokens->GetEntriesFast();i=i+2) {
900 level=((TObjString*)tcltokens->At(i+1))->String()[0];
901 input=atoi((((TObjString*)tcltokens->At(i+1))->String()).Remove(0));
902 Bool_t inpnext = IsInputFired(aEsd,level,input);
903 Char_t op =((TObjString*)tcltokens->At(i))->String()[0];
904 if (op == '&') tcl=tcl && inpnext;
905 else if (op == '|') tcl =tcl || inpnext;
906 else {
907 AliError(Form("Syntax error in %s", tclass));
908 delete tcltokens;
909 tcltokens = 0;
910 // tcltokens->Delete();
911 return kFALSE;
912 }
913 }
914 delete tcltokens;
915 tcltokens = 0;
916 // tcltokens->Delete();
917 return tcl;
918}
919
920Bool_t AliTriggerAnalysis::IsInputFired(const AliESDEvent* aEsd, Char_t level, UInt_t input) const
921{
922 // Checks trigger input of any level
923
924 switch (level)
925 {
926 case '0': return IsL0InputFired(aEsd,input);
927 case '1': return IsL1InputFired(aEsd,input);
928 case '2': return IsL2InputFired(aEsd,input);
929 default:
930 AliError(Form("Wrong level %i",level));
931 return kFALSE;
932 }
933}
934
935Bool_t AliTriggerAnalysis::IsL0InputFired(const AliESDEvent* aEsd, UInt_t input) const
936{
937 // Checks if corresponding bit in mask is on
938
939 UInt_t inpmask = aEsd->GetHeader()->GetL0TriggerInputs();
940 return (inpmask & (1<<(input-1)));
941}
942
943Bool_t AliTriggerAnalysis::IsL1InputFired(const AliESDEvent* aEsd, UInt_t input) const
944{
945 // Checks if corresponding bit in mask is on
946
947 UInt_t inpmask = aEsd->GetHeader()->GetL1TriggerInputs();
948 return (inpmask & (1<<(input-1)));
949}
950
951Bool_t AliTriggerAnalysis::IsL2InputFired(const AliESDEvent* aEsd, UInt_t input) const
952{
953 // Checks if corresponding bit in mask is on
954
955 UInt_t inpmask = aEsd->GetHeader()->GetL2TriggerInputs();
956 return (inpmask & (1<<(input-1)));
957}
958
959void AliTriggerAnalysis::FillHistograms(const AliESDEvent* aEsd)
960{
961 // fills the histograms with the info from the ESD
962
963 fHistBitsSPD->Fill(SPDFiredChips(aEsd, 0), SPDFiredChips(aEsd, 1, kTRUE));
964
965 V0Trigger(aEsd, kASide, kFALSE, kTRUE);
966 V0Trigger(aEsd, kCSide, kFALSE, kTRUE);
967 T0Trigger(aEsd, kFALSE, kTRUE);
968 ZDCTDCTrigger(aEsd,kASide,kFALSE,kFALSE,kTRUE);
969 ZDCTimeTrigger(aEsd,kTRUE);
970 IsSPDClusterVsTrackletBG(aEsd, kTRUE);
971
972 AliESDZDC* zdcData = aEsd->GetESDZDC();
973 if (zdcData)
974 {
975 UInt_t quality = zdcData->GetESDQuality();
976
977 // from Nora's presentation, general first physics meeting 16.10.09
978 static UInt_t zpc = 0x20;
979 static UInt_t znc = 0x10;
980 static UInt_t zem1 = 0x08;
981 static UInt_t zem2 = 0x04;
982 static UInt_t zpa = 0x02;
983 static UInt_t zna = 0x01;
984
985 fHistZDC->Fill(1, (quality & zna) ? 1 : 0);
986 fHistZDC->Fill(2, (quality & zpa) ? 1 : 0);
987 fHistZDC->Fill(3, (quality & zem2) ? 1 : 0);
988 fHistZDC->Fill(4, (quality & zem1) ? 1 : 0);
989 fHistZDC->Fill(5, (quality & znc) ? 1 : 0);
990 fHistZDC->Fill(6, (quality & zpc) ? 1 : 0);
991 }
992 else
993 {
994 fHistZDC->Fill(-1);
995 AliError("AliESDZDC not available");
996 }
997
998 if (fDoFMD) {
999 fHistFMDA->Fill(FMDHitCombinations(aEsd, kASide, kTRUE));
1000 fHistFMDC->Fill(FMDHitCombinations(aEsd, kCSide, kTRUE));
1001 }
1002}
1003
1004void AliTriggerAnalysis::FillTriggerClasses(const AliESDEvent* aEsd)
1005{
1006 // fills trigger classes map
1007
1008 TParameter<Long64_t>* count = dynamic_cast<TParameter<Long64_t>*> (fTriggerClasses->GetValue(aEsd->GetFiredTriggerClasses().Data()));
1009 if (!count)
1010 {
1011 count = new TParameter<Long64_t>(aEsd->GetFiredTriggerClasses(), 0);
1012 fTriggerClasses->Add(new TObjString(aEsd->GetFiredTriggerClasses().Data()), count);
1013 }
1014 count->SetVal(count->GetVal() + 1);
1015}
1016
1017Int_t AliTriggerAnalysis::SSDClusters(const AliESDEvent* aEsd)
1018{
1019 // returns the number of clusters in the SSD
1020 const AliMultiplicity* mult = aEsd->GetMultiplicity();
1021 Int_t clusters = mult->GetNumberOfITSClusters(4)+mult->GetNumberOfITSClusters(5);
1022 return clusters;
1023}
1024
1025
1026Int_t AliTriggerAnalysis::SPDFiredChips(const AliESDEvent* aEsd, Int_t origin, Bool_t fillHists, Int_t layer)
1027{
1028 // returns the number of fired chips in the SPD
1029 //
1030 // origin = 0 --> aEsd->GetMultiplicity()->GetNumberOfFiredChips() (filled from clusters)
1031 // origin = 1 --> aEsd->GetMultiplicity()->TestFastOrFiredChips() (from hardware bits)
1032 // layer = 0 --> both layers
1033 // layer = 1 --> inner
1034 // layer = 2 --> outer
1035
1036 const AliMultiplicity* mult = aEsd->GetMultiplicity();
1037 if (!mult)
1038 {
1039 AliError("AliMultiplicity not available");
1040 return -1;
1041 }
1042
1043 if (origin == 0){
1044 if (layer == 0)
1045 return mult->GetNumberOfFiredChips(0) + mult->GetNumberOfFiredChips(1);
1046
1047 return mult->GetNumberOfFiredChips(layer-1);
1048 }
1049
1050 if (origin == 1)
1051 {
1052 Int_t nChips = 0;
1053 Int_t firstChip = 0;
1054 Int_t lastChip = 1200;
1055 if(layer == 1)
1056 lastChip = 400;
1057 if(layer == 2)
1058 firstChip = 400;
1059
1060 for (Int_t i=firstChip; i<lastChip; i++)
1061 {
1062 if (mult->TestFastOrFiredChips(i) == kTRUE)
1063 {
1064 // efficiency simulation (if enabled)
1065 if (fSPDGFOEfficiency)
1066 {
1067 if (gRandom->Uniform() > fSPDGFOEfficiency->GetBinContent(i+1))
1068 continue;
1069 }
1070
1071 nChips++;
1072 if (fillHists)
1073 fHistFiredBitsSPD->Fill(i);
1074 }
1075 }
1076 return nChips;
1077 }
1078
1079 return -1;
1080}
1081
1082Bool_t AliTriggerAnalysis::SPDGFOTrigger(const AliESDEvent* aEsd, Int_t origin)
1083{
1084 // Returns if the SPD gave a global Fast OR trigger
1085
1086 Int_t firedChips = SPDFiredChips(aEsd, origin);
1087
1088 if (firedChips >= fSPDGFOThreshold)
1089 return kTRUE;
1090 return kFALSE;
1091}
1092
1093Bool_t AliTriggerAnalysis::IsSPDClusterVsTrackletBG(const AliESDEvent* aEsd, Bool_t fillHists){
1094 //rejects BG based on the cluster vs tracklet correlation
1095 // returns true if the event is BG
1096 const AliMultiplicity* mult = aEsd->GetMultiplicity();
1097 if (!mult){
1098 AliFatal("No multiplicity object"); // TODO: Should this be fatal?
1099 }
1100 Int_t ntracklet = mult->GetNumberOfTracklets();
1101
1102 Int_t spdClusters = 0;
1103 for(Int_t ilayer = 0; ilayer < 2; ilayer++){
1104 spdClusters += mult->GetNumberOfITSClusters(ilayer);
1105 }
1106
1107 if(fillHists) {
1108 fHistSPDClsVsTrk->Fill(ntracklet,spdClusters);
1109 }
1110
1111 Bool_t isCvsTOk = kFALSE;
1112 Float_t limit = Float_t(fASPDCvsTCut) + Float_t(ntracklet) * fBSPDCvsTCut;
1113 if (spdClusters > limit) isCvsTOk = kTRUE;
1114 else isCvsTOk = kFALSE ;
1115
1116 return isCvsTOk;
1117
1118}
1119
1120
1121AliTriggerAnalysis::V0Decision AliTriggerAnalysis::V0Trigger(const AliESDEvent* aEsd, AliceSide side, Bool_t online, Bool_t fillHists)
1122{
1123 // Returns the V0 trigger decision in V0A | V0C
1124 //
1125 // Returns kV0Fake if the calculated average time is in a window where neither BB nor BG is expected.
1126 // The rate of such triggers can be used to estimate the background. Note that the rate has to be
1127 // rescaled with the size of the windows (numerical values see below in the code)
1128 //
1129 // argument 'online' is used as a switch between online and offline trigger algorithms
1130 //
1131 // Based on an algorithm by Cvetan Cheshkov
1132
1133 AliESDVZERO* esdV0 = aEsd->GetVZEROData();
1134 if (!esdV0)
1135 {
1136 AliError("AliESDVZERO not available");
1137 return kV0Invalid;
1138 }
1139 AliDebug(2,Form("In V0Trigger: %f %f",esdV0->GetV0ATime(),esdV0->GetV0CTime()));
1140
1141 Int_t begin = -1;
1142 Int_t end = -1;
1143
1144 if (side == kASide)
1145 {
1146 begin = 32;
1147 end = 64;
1148 }
1149 else if (side == kCSide)
1150 {
1151 begin = 0;
1152 end = 32;
1153 }
1154 else
1155 return kV0Invalid;
1156
1157 if (esdV0->TestBit(AliESDVZERO::kDecisionFilled)) {
1158 if (online) {
1159 if (esdV0->TestBit(AliESDVZERO::kOnlineBitsFilled)) {
1160 for (Int_t i = begin; i < end; ++i) {
1161 if (esdV0->GetBBFlag(i)) return kV0BB;
1162 }
1163 for (Int_t i = begin; i < end; ++i) {
1164 if (esdV0->GetBGFlag(i)) return kV0BG;
1165 }
1166 return kV0Empty;
1167 }
1168 else {
1169 AliWarning("V0 online trigger analysis is not yet available!");
1170 return kV0BB;
1171 }
1172 }
1173 else {
1174
1175 if (fillHists) {
1176 if (side == kASide && fHistV0A)
1177 fHistV0A->Fill(esdV0->GetV0ATime());
1178 if (side == kCSide && fHistV0C)
1179 fHistV0C->Fill(esdV0->GetV0CTime());
1180 }
1181
1182 if (side == kASide) return (V0Decision)esdV0->GetV0ADecision();
1183 else if (side == kCSide) return (V0Decision)esdV0->GetV0CDecision();
1184 else return kV0Invalid;
1185 }
1186 }
1187
1188 Float_t time = 0;
1189 Float_t weight = 0;
1190 if (fMC)
1191 {
1192 Int_t runRange;
1193 if (aEsd->GetRunNumber() <= 104803) runRange = 0;
1194 else if (aEsd->GetRunNumber() <= 104876) runRange = 1;
1195 else runRange = 2;
1196
1197 Float_t factors[3][64] = {
1198 // runs: 104792-104803
1199 {4.6,5.9,6.3,6.0,4.7,5.9,4.9,5.4,4.8,4.1,4.9,4.6,4.5,5.5,5.1,5.8,4.3,4.0,4.0,3.3,3.1,2.9,3.0,5.6,3.3,4.9,3.9,5.3,4.1,4.4,3.9,5.5,5.7,9.5,5.1,5.3,6.6,7.1,8.9,4.4,4.1,5.9,9.0,4.5,4.1,6.0,4.7,7.1,4.2,4.7,3.9,6.3,5.9,4.8,4.7,4.5,4.7,5.4,5.8,5.0,5.1,5.9,5.3,3.6},
1200 // runs: 104841-104876
1201 {4.6,4.8,4.9,4.8,4.3,4.9,4.4,4.5,4.6,5.0,4.7,4.6,4.7,4.6,4.6,5.5,4.7,4.5,4.7,5.0,6.5,7.6,5.3,4.9,5.5,4.8,4.6,4.9,4.5,4.5,4.6,4.9,5.7,9.8,4.9,5.2,7.1,7.1,8.1,4.4,4.0,6.0,8.3,4.6,4.2,5.6,4.6,6.4,4.4,4.7,4.5,6.5,6.0,4.7,4.5,4.4,4.8,5.5,5.9,5.3,5.0,5.7,5.1,3.6},
1202 // runs: 104890-92
1203 {4.7,5.2,4.8,5.0,4.4,5.0,4.4,4.6,4.6,4.5,4.4,4.6,4.5,4.6,4.8,5.5,4.8,4.5,4.4,4.3,5.4,7.7,5.6,5.0,5.4,4.3,4.5,4.8,4.5,4.5,4.6,5.3,5.7,9.6,4.9,5.4,6.1,7.2,8.6,4.4,4.0,5.4,8.8,4.4,4.2,5.8,4.7,6.7,4.3,4.7,4.0,6.1,6.0,4.9,4.8,4.6,4.7,5.2,5.7,5.0,5.0,5.8,5.3,3.6}
1204 };
1205 Float_t dA = 77.4 - 11.0;
1206 Float_t dC = 77.4 - 2.9;
1207 // Time misalignment
1208 Float_t timeShift[64] = {0.477957 , 0.0889999 , 0.757669 , 0.205439 , 0.239666 , -0.183705 , 0.442873 , -0.281366 , 0.260976 , 0.788995 , 0.974758 , 0.548532 , 0.495023 , 0.868472 , 0.661167 , 0.358307 , 0.221243 , 0.530179 , 1.26696 , 1.33082 , 1.27086 , 1.77133 , 1.10253 , 0.634806 , 2.14838 , 1.50212 , 1.59253 , 1.66122 , 1.16957 , 1.52056 , 1.47791 , 1.81905 , -1.94123 , -1.29124 , -2.16045 , -1.78939 , -3.11111 , -1.87178 , -1.57671 , -1.70311 , -1.81208 , -1.94475 , -2.53058 , -1.7042 , -2.08109 , -1.84416 , -0.61073 , -1.77145 , 0.16999 , -0.0585339 , 0.00401133 , 0.397726 , 0.851111 , 0.264187 , 0.59573 , -0.158263 , 0.584362 , 1.20835 , 0.927573 , 1.13895 , 0.64648 , 2.18747 , 1.68909 , 0.451194};
1209 Float_t dA2 = 2.8, dC2 = 3.3;
1210
1211 if (online) {
1212 for (Int_t i = begin; i < end; ++i) {
1213 Float_t tempAdc = esdV0->GetAdc(i)/factors[runRange][i];
1214 Float_t tempTime = (i >= 32) ? esdV0->GetTime(i)+dA+timeShift[i]+dA2 : esdV0->GetTime(i)+dC+timeShift[i]+dC2;
1215 if (esdV0->GetTime(i) >= 1e-6 &&
1216 tempTime > fV0HwWinLow && tempTime < fV0HwWinHigh &&
1217 tempAdc > fV0HwAdcThr)
1218 return kV0BB;
1219 }
1220 return kV0Empty;
1221 }
1222 else {
1223 for (Int_t i = begin; i < end; ++i) {
1224 Float_t tempAdc = esdV0->GetAdc(i)/factors[runRange][i];
1225 Float_t tempTime = (i >= 32) ? esdV0->GetTime(i)+dA : esdV0->GetTime(i)+dC;
1226 Float_t tempRawTime = (i >= 32) ? esdV0->GetTime(i)+dA+timeShift[i]+dA2 : esdV0->GetTime(i)+dC+timeShift[i]+dC2;
1227 if (esdV0->GetTime(i) >= 1e-6 &&
1228 tempRawTime < 125.0 &&
1229 tempAdc > fV0AdcThr) {
1230 weight += 1.0;
1231 time += tempTime;
1232 }
1233 }
1234 }
1235 }
1236 else {
1237 if (online) {
1238 for (Int_t i = begin; i < end; ++i) {
1239 if (esdV0->GetTime(i) >= 1e-6 &&
1240 esdV0->GetTime(i) > fV0HwWinLow && esdV0->GetTime(i) < fV0HwWinHigh &&
1241 esdV0->GetAdc(i) > fV0HwAdcThr)
1242 return kV0BB;
1243 }
1244 return kV0Empty;
1245 }
1246 else {
1247 for (Int_t i = begin; i < end; ++i) {
1248 if (esdV0->GetTime(i) > 1e-6 && esdV0->GetAdc(i) > fV0AdcThr) {
1249 Float_t correctedTime = V0CorrectLeadingTime(i, esdV0->GetTime(i), esdV0->GetAdc(i),aEsd->GetRunNumber());
1250 Float_t timeWeight = V0LeadingTimeWeight(esdV0->GetAdc(i));
1251 time += correctedTime*timeWeight;
1252
1253 weight += timeWeight;
1254 }
1255 }
1256 }
1257 }
1258
1259 if (weight > 0)
1260 time /= weight;
1261 time += fV0TimeOffset;
1262
1263 if (fillHists)
1264 {
1265 if (side == kASide && fHistV0A)
1266 fHistV0A->Fill(time);
1267 if (side == kCSide && fHistV0C)
1268 fHistV0C->Fill(time);
1269 }
1270
1271 if (side == kASide)
1272 {
1273 if (time > 68 && time < 100)
1274 return kV0BB;
1275 if (time > 54 && time < 57.5)
1276 return kV0BG;
1277 if (time > 57.5 && time < 68)
1278 return kV0Fake;
1279 }
1280
1281 if (side == kCSide)
1282 {
1283 if (time > 75.5 && time < 100)
1284 return kV0BB;
1285 if (time > 69.5 && time < 73)
1286 return kV0BG;
1287 if (time > 55 && time < 69.5)
1288 return kV0Fake;
1289 }
1290
1291 return kV0Empty;
1292}
1293
1294Float_t AliTriggerAnalysis::V0CorrectLeadingTime(Int_t i, Float_t time, Float_t adc, Int_t runNumber) const
1295{
1296 // Correct for slewing and align the channels
1297 //
1298 // Authors: Cvetan Cheshkov / Raphael Tieulent
1299
1300 if (time == 0) return 0;
1301
1302 // Time alignment
1303 Float_t timeShift[64] = {0.477957 , 0.0889999 , 0.757669 , 0.205439 , 0.239666 , -0.183705 , 0.442873 , -0.281366 , 0.260976 , 0.788995 , 0.974758 , 0.548532 , 0.495023 , 0.868472 , 0.661167 , 0.358307 , 0.221243 , 0.530179 , 1.26696 , 1.33082 , 1.27086 , 1.77133 , 1.10253 , 0.634806 , 2.14838 , 1.50212 , 1.59253 , 1.66122 , 1.16957 , 1.52056 , 1.47791 , 1.81905 , -1.94123 , -1.29124 , -2.16045 , -1.78939 , -3.11111 , -1.87178 , -1.57671 , -1.70311 , -1.81208 , -1.94475 , -2.53058 , -1.7042 , -2.08109 , -1.84416 , -0.61073 , -1.77145 , 0.16999 , -0.0585339 , 0.00401133 , 0.397726 , 0.851111 , 0.264187 , 0.59573 , -0.158263 , 0.584362 , 1.20835 , 0.927573 , 1.13895 , 0.64648 , 2.18747 , 1.68909 , 0.451194};
1304
1305 if(runNumber < 106031)
1306 time -= timeShift[i];
1307
1308 // Slewing correction
1309 if (adc == 0) return time;
1310
1311 Float_t p1 = 1.57345e1;
1312 Float_t p2 =-4.25603e-1;
1313
1314 if(runNumber >= 106031) adc *= (2.5/4.0);
1315 return (time - p1*TMath::Power(adc,p2));
1316}
1317
1318Float_t AliTriggerAnalysis::V0LeadingTimeWeight(Float_t adc) const
1319{
1320 if (adc < 1e-6) return 0;
1321
1322 Float_t p1 = 40.211;
1323 Float_t p2 =-4.25603e-1;
1324 Float_t p3 = 0.5646;
1325
1326 return 1./(p1*p1*TMath::Power(adc,2.*(p2-1.))+p3*p3);
1327}
1328
1329
1330Bool_t AliTriggerAnalysis::ZDCTDCTrigger(const AliESDEvent* aEsd, AliceSide side, Bool_t useZN, Bool_t useZP, Bool_t fillHists) const
1331{
1332 // Returns if ZDC triggered, based on TDC information
1333
1334 AliESDZDC *esdZDC = aEsd->GetESDZDC();
1335
1336 Bool_t zdcNA = kFALSE;
1337 Bool_t zdcNC = kFALSE;
1338 Bool_t zdcPA = kFALSE;
1339 Bool_t zdcPC = kFALSE;
1340
1341 if (fMC) {
1342 // If it's MC, we use the energy
1343 Double_t minEnergy = 0;
1344 Double_t zNCEnergy = esdZDC->GetZDCN1Energy();
1345 Double_t zPCEnergy = esdZDC->GetZDCP1Energy();
1346 Double_t zNAEnergy = esdZDC->GetZDCN2Energy();
1347 Double_t zPAEnergy = esdZDC->GetZDCP2Energy();
1348 zdcNA = (zNAEnergy>minEnergy);
1349 zdcNC = (zNCEnergy>minEnergy);
1350 zdcPA = (zPAEnergy>minEnergy);
1351 zdcPC = (zPCEnergy>minEnergy);
1352
1353 }
1354 else {
1355
1356 Bool_t tdc[32] = {kFALSE};
1357 for(Int_t itdc=0; itdc<32; itdc++){
1358 for(Int_t i=0; i<4; i++){
1359 if (esdZDC->GetZDCTDCData(itdc, i) != 0){
1360 tdc[itdc] = kTRUE;
1361 }
1362 }
1363 if(fillHists && tdc[itdc]) {
1364 fHistTDCZDC->Fill(itdc);
1365 }
1366 }
1367 zdcNA = tdc[12];
1368 zdcNC = tdc[10];
1369 zdcPA = tdc[13];
1370 zdcPC = tdc[11];
1371 }
1372
1373 if (side == kASide) return ((useZP&&zdcPA) || (useZN&&zdcNA));
1374 if (side == kCSide) return ((useZP&&zdcPC) || (useZN&&zdcNC));
1375 return kFALSE;
1376}
1377
1378Bool_t AliTriggerAnalysis::ZDCTimeTrigger(const AliESDEvent *aEsd, Bool_t fillHists) const
1379{
1380 // This method implements a selection
1381 // based on the timing in both sides of zdcN
1382 // It can be used in order to eliminate
1383 // parasitic collisions
1384 Bool_t zdcAccept = kFALSE;
1385 AliESDZDC *esdZDC = aEsd->GetESDZDC();
1386
1387 if(fMC) {
1388 UInt_t esdFlag = esdZDC->GetESDQuality();
1389
1390 Bool_t znaFired=kFALSE, zpaFired=kFALSE;
1391 Bool_t zem1Fired=kFALSE, zem2Fired=kFALSE;
1392 Bool_t zncFired=kFALSE, zpcFired=kFALSE;
1393 //
1394 // **** Trigger patterns
1395 if((esdFlag & 0x00000001) == 0x00000001) znaFired=kTRUE;
1396 if((esdFlag & 0x00000002) == 0x00000002) zpaFired=kTRUE;
1397 if((esdFlag & 0x00000004) == 0x00000004) zem1Fired=kTRUE;
1398 if((esdFlag & 0x00000008) == 0x00000008) zem2Fired=kTRUE;
1399 if((esdFlag & 0x00000010) == 0x00000010) zncFired=kTRUE;
1400 if((esdFlag & 0x00000020) == 0x00000020) zpcFired=kTRUE;
1401 zdcAccept = (znaFired | zncFired);
1402 }
1403 else {
1404 for(Int_t i = 0; i < 4; ++i) {
1405 if (esdZDC->GetZDCTDCData(10,i) != 0) {
1406 Float_t tdcC = 0.025*(esdZDC->GetZDCTDCData(10,i)-esdZDC->GetZDCTDCData(14,i));
1407 Float_t tdcCcorr = esdZDC->GetZDCTDCCorrected(10,i);
1408 for(Int_t j = 0; j < 4; ++j) {
1409 if (esdZDC->GetZDCTDCData(12,j) != 0) {
1410 Float_t tdcA = 0.025*(esdZDC->GetZDCTDCData(12,j)-esdZDC->GetZDCTDCData(14,j));
1411
1412 Float_t tdcAcorr = esdZDC->GetZDCTDCCorrected(12,j);
1413 if(fillHists) {
1414 fHistTimeZDC->Fill(tdcC-tdcA,tdcC+tdcA);
1415 fHistTimeCorrZDC->Fill(tdcCcorr-tdcAcorr,tdcCcorr+tdcAcorr);
1416 }
1417 if (esdZDC->TestBit(AliESDZDC::kCorrectedTDCFilled)) {
1418 if (((tdcCcorr-tdcAcorr-fZDCCutRefDeltaCorr)*(tdcCcorr-tdcAcorr-fZDCCutRefDeltaCorr)/(fZDCCutSigmaDeltaCorr*fZDCCutSigmaDeltaCorr) +
1419 (tdcCcorr+tdcAcorr-fZDCCutRefSumCorr)*(tdcCcorr+tdcAcorr-fZDCCutRefSumCorr)/(fZDCCutSigmaSumCorr*fZDCCutSigmaSumCorr))< 1.0)
1420 zdcAccept = kTRUE;
1421 }
1422 else {
1423 if (((tdcC-tdcA-fZDCCutRefDelta)*(tdcC-tdcA-fZDCCutRefDelta)/(fZDCCutSigmaDelta*fZDCCutSigmaDelta) +
1424 (tdcC+tdcA-fZDCCutRefSum)*(tdcC+tdcA-fZDCCutRefSum)/(fZDCCutSigmaSum*fZDCCutSigmaSum))< 1.0)
1425 zdcAccept = kTRUE;
1426 }
1427 }
1428 }
1429 }
1430 }
1431 }
1432 return zdcAccept;
1433}
1434
1435Bool_t AliTriggerAnalysis::ZDCTimeBGTrigger(const AliESDEvent *aEsd, AliceSide side) const
1436{
1437 // This method implements a selection
1438 // based on the timing in of zdcN
1439 // It can be used in order to flag background
1440 // ** So far only implemented for the 2012 pA run **
1441
1442 if(fMC) return kFALSE;
1443
1444 AliESDZDC *zdcData = aEsd->GetESDZDC();
1445 Bool_t zna = kFALSE;
1446 Bool_t znc = kFALSE;
1447
1448 Float_t tdcC=999, tdcCcorr=999, tdcA=999, tdcAcorr=999;
1449 for(Int_t i = 0; i < 4; ++i) {
1450 if (zdcData->GetZDCTDCData(10,i) != 0) {
1451 znc = kTRUE;
1452 tdcC = 0.025*(zdcData->GetZDCTDCData(10,i)-zdcData->GetZDCTDCData(14,i));
1453 tdcCcorr = zdcData->GetZDCTDCCorrected(10,i);
1454 }
1455 }
1456 for(Int_t j = 0; j < 4; ++j) {
1457 if (zdcData->GetZDCTDCData(12,j) != 0) {
1458 zna = kTRUE;
1459 tdcA = 0.025*(zdcData->GetZDCTDCData(12,j)-zdcData->GetZDCTDCData(14,j));
1460 tdcAcorr = zdcData->GetZDCTDCCorrected(12,j);
1461 }
1462 }
1463
1464 const Int_t runNumber = aEsd->GetRunNumber();
1465 if(runNumber<188124 || runNumber>188374){
1466 AliError(Form(" ZN BG time cut not implemented for run %d",runNumber));
1467 return kFALSE;
1468 }
1469
1470 Bool_t znabg = (zna && (TMath::Abs(tdcAcorr)>2.0));
1471 Bool_t zncbg = (znc && (TMath::Abs(tdcCcorr)>5.0));
1472
1473 // Printf("Checking ZN background (time) for run %d, A = %d, time=%2.2f, C = %d, time=%2.2f",runNumber,(Int_t)zna,tdcAcorr,(Int_t)znc,tdcCcorr);
1474 // Printf("Checking ZN background (time) for run %d, A-BG = %d, C-BG = %d",runNumber,(Int_t)znabg,(Int_t)zncbg);
1475
1476 if (side == kASide) return znabg;
1477 if (side == kCSide) return zncbg;
1478 return kFALSE;
1479}
1480
1481Bool_t AliTriggerAnalysis::ZDCTrigger(const AliESDEvent* aEsd, AliceSide side) const
1482{
1483 // Returns if ZDC triggered
1484
1485 AliESDZDC* zdcData = aEsd->GetESDZDC();
1486 if (!zdcData)
1487 {
1488 AliError("AliESDZDC not available");
1489 return kFALSE;
1490 }
1491
1492 UInt_t quality = zdcData->GetESDQuality();
1493
1494 // from Nora's presentation, general first physics meeting 16.10.09
1495 static UInt_t zpc = 0x20;
1496 static UInt_t znc = 0x10;
1497 static UInt_t zem1 = 0x08;
1498 static UInt_t zem2 = 0x04;
1499 static UInt_t zpa = 0x02;
1500 static UInt_t zna = 0x01;
1501
1502 if (side == kASide && ((quality & zpa) || (quality & zna)))
1503 return kTRUE;
1504 if (side == kCentralBarrel && ((quality & zem1) || (quality & zem2)))
1505 return kTRUE;
1506 if (side == kCSide && ((quality & zpc) || (quality & znc)))
1507 return kTRUE;
1508
1509 return kFALSE;
1510}
1511
1512Int_t AliTriggerAnalysis::FMDHitCombinations(const AliESDEvent* aEsd, AliceSide side, Bool_t fillHists)
1513{
1514 // returns number of hit combinations agove threshold
1515 //
1516 // Authors: FMD team, Hans Dalsgaard (code merged from FMD/AliFMDOfflineTrigger)
1517
1518 if (!fDoFMD)
1519 return -1;
1520
1521 // Workaround for AliESDEvent::GetFMDData is not const!
1522 const AliESDFMD* fmdData = (const_cast<AliESDEvent*>(aEsd))->GetFMDData();
1523 if (!fmdData)
1524 {
1525 AliError("AliESDFMD not available");
1526 return -1;
1527 }
1528
1529 Int_t detFrom = (side == kASide) ? 1 : 3;
1530 Int_t detTo = (side == kASide) ? 2 : 3;
1531
1532 Int_t triggers = 0;
1533 Float_t totalMult = 0;
1534 for (UShort_t det=detFrom;det<=detTo;det++) {
1535 Int_t nRings = (det == 1 ? 1 : 2);
1536 for (UShort_t ir = 0; ir < nRings; ir++) {
1537 Char_t ring = (ir == 0 ? 'I' : 'O');
1538 UShort_t nsec = (ir == 0 ? 20 : 40);
1539 UShort_t nstr = (ir == 0 ? 512 : 256);
1540 for (UShort_t sec =0; sec < nsec; sec++) {
1541 for (UShort_t strip = 0; strip < nstr; strip++) {
1542 Float_t mult = fmdData->Multiplicity(det,ring,sec,strip);
1543 if (mult == AliESDFMD::kInvalidMult) continue;
1544
1545 if (fillHists)
1546 fHistFMDSingle->Fill(mult);
1547
1548 if (mult > fFMDLowCut)
1549 totalMult = totalMult + mult;
1550 else
1551 {
1552 if (totalMult > fFMDHitCut)
1553 triggers++;
1554
1555 if (fillHists)
1556 fHistFMDSum->Fill(totalMult);
1557
1558 totalMult = 0;
1559 }
1560 }
1561 }
1562 }
1563 }
1564
1565 return triggers;
1566}
1567
1568Bool_t AliTriggerAnalysis::FMDTrigger(const AliESDEvent* aEsd, AliceSide side)
1569{
1570 // Returns if the FMD triggered
1571 //
1572 // Authors: FMD team, Hans Dalsgaard (code merged from FMD/AliFMDOfflineTrigger)
1573
1574 Int_t triggers = FMDHitCombinations(aEsd, side, kFALSE);
1575
1576 if (triggers > 0)
1577 return kTRUE;
1578
1579 return kFALSE;
1580}
1581
1582Long64_t AliTriggerAnalysis::Merge(TCollection* list)
1583{
1584 // Merge a list of AliMultiplicityCorrection objects with this (needed for
1585 // PROOF).
1586 // Returns the number of merged objects (including this).
1587
1588 if (!list)
1589 return 0;
1590
1591 if (list->IsEmpty())
1592 return 1;
1593
1594 TIterator* iter = list->MakeIterator();
1595 TObject* obj;
1596
1597 // collections of all histograms
1598 const Int_t nHists = 14;
1599 TList collections[nHists];
1600
1601 Int_t count = 0;
1602 while ((obj = iter->Next())) {
1603
1604 AliTriggerAnalysis* entry = dynamic_cast<AliTriggerAnalysis*> (obj);
1605 if (entry == 0)
1606 continue;
1607
1608 Int_t n = 0;
1609 collections[n++].Add(entry->fHistV0A);
1610 collections[n++].Add(entry->fHistV0C);
1611 collections[n++].Add(entry->fHistZDC);
1612 collections[n++].Add(entry->fHistTDCZDC);
1613 collections[n++].Add(entry->fHistTimeZDC);
1614 collections[n++].Add(entry->fHistTimeCorrZDC);
1615 collections[n++].Add(entry->fHistFMDA);
1616 collections[n++].Add(entry->fHistFMDC);
1617 collections[n++].Add(entry->fHistFMDSingle);
1618 collections[n++].Add(entry->fHistFMDSum);
1619 collections[n++].Add(entry->fHistBitsSPD);
1620 collections[n++].Add(entry->fHistFiredBitsSPD);
1621 collections[n++].Add(entry->fHistSPDClsVsTrk);
1622 collections[n++].Add(entry->fHistT0);
1623
1624 // merge fTriggerClasses
1625 TIterator* iter2 = entry->fTriggerClasses->MakeIterator();
1626 TObjString* obj2 = 0;
1627 while ((obj2 = dynamic_cast<TObjString*> (iter2->Next())))
1628 {
1629 TParameter<Long64_t>* param2 = static_cast<TParameter<Long64_t>*> (entry->fTriggerClasses->GetValue(obj2));
1630
1631 TParameter<Long64_t>* param1 = dynamic_cast<TParameter<Long64_t>*> (fTriggerClasses->GetValue(obj2));
1632 if (param1)
1633 {
1634 param1->SetVal(param1->GetVal() + param2->GetVal());
1635 }
1636 else
1637 {
1638 param1 = dynamic_cast<TParameter<Long64_t>*> (param2->Clone());
1639 fTriggerClasses->Add(new TObjString(obj2->String()), param1);
1640 }
1641 }
1642
1643 delete iter2;
1644
1645 count++;
1646 }
1647
1648 Int_t n = 0;
1649 fHistV0A->Merge(&collections[n++]);
1650 fHistV0C->Merge(&collections[n++]);
1651 fHistZDC->Merge(&collections[n++]);
1652 fHistTDCZDC->Merge(&collections[n++]);
1653 if (fHistTimeZDC)
1654 fHistTimeZDC->Merge(&collections[n++]);
1655 else
1656 n++;
1657 if (fHistTimeCorrZDC)
1658 fHistTimeCorrZDC->Merge(&collections[n++]);
1659 else
1660 n++;
1661 fHistFMDA->Merge(&collections[n++]);
1662 fHistFMDC->Merge(&collections[n++]);
1663 fHistFMDSingle->Merge(&collections[n++]);
1664 fHistFMDSum->Merge(&collections[n++]);
1665 fHistBitsSPD->Merge(&collections[n++]);
1666 fHistFiredBitsSPD->Merge(&collections[n++]);
1667 fHistSPDClsVsTrk->Merge(&collections[n++]);
1668 fHistT0->Merge(&collections[n++]);
1669 delete iter;
1670
1671 return count+1;
1672}
1673
1674void AliTriggerAnalysis::SaveHistograms() const
1675{
1676 // write histograms to current directory
1677
1678 if (!fHistBitsSPD)
1679 return;
1680
1681 if (fHistBitsSPD) {
1682 fHistBitsSPD->Write();
1683 fHistBitsSPD->ProjectionX();
1684 fHistBitsSPD->ProjectionY();
1685 }
1686 else Printf("Cannot save fHistBitsSPD");
1687 if (fHistFiredBitsSPD) fHistFiredBitsSPD->Write();
1688 else Printf("Cannot save fHistFiredBitsSPD");
1689 if (fHistV0A) fHistV0A->Write();
1690 else Printf("Cannot save fHistV0A");
1691 if (fHistV0C) fHistV0C->Write();
1692 else Printf("Cannot save fHistV0C");
1693 if (fHistZDC) fHistZDC->Write();
1694 else Printf("Cannot save fHistZDC");
1695 if (fHistTDCZDC) fHistTDCZDC->Write();
1696 else Printf("Cannot save fHistTDCZDC");
1697 if (fHistTimeZDC) fHistTimeZDC->Write();
1698 else Printf("Cannot save fHistTimeZDC");
1699 if (fHistTimeCorrZDC) fHistTimeCorrZDC->Write();
1700 else Printf("Cannot save fHistTimeCorrZDC");
1701 if (fHistFMDA) fHistFMDA->Write();
1702 else Printf("Cannot save fHistFMDA");
1703 if (fHistFMDC) fHistFMDC->Write();
1704 else Printf("Cannot save fHistFMDC");
1705 if (fHistFMDSingle) fHistFMDSingle->Write();
1706 else Printf("Cannot save fHistFMDSingle");
1707 if (fHistFMDSum) fHistFMDSum->Write();
1708 else Printf("Cannot save fHistFMDSum");
1709 if (fSPDGFOEfficiency) fSPDGFOEfficiency->Write("fSPDGFOEfficiency");
1710 if (fHistSPDClsVsTrk) fHistSPDClsVsTrk->Write("fHistSPDClsVsTrk");
1711 if (fHistT0) fHistT0->Write("fHistT0");
1712
1713 // else Printf("Cannot save fSPDGFOEfficiency");
1714
1715 fTriggerClasses->Write("fTriggerClasses", TObject::kSingleKey);
1716}
1717
1718void AliTriggerAnalysis::PrintTriggerClasses() const
1719{
1720 // print trigger classes
1721
1722 Printf("Trigger Classes:");
1723
1724 Printf("Event count for trigger combinations:");
1725
1726 TMap singleTrigger;
1727 singleTrigger.SetOwner();
1728
1729 TIterator* iter = fTriggerClasses->MakeIterator();
1730 TObjString* obj = 0;
1731 while ((obj = dynamic_cast<TObjString*> (iter->Next())))
1732 {
1733 TParameter<Long64_t>* param = static_cast<TParameter<Long64_t>*> (fTriggerClasses->GetValue(obj));
1734
1735 Printf(" %s: %ld triggers", obj->String().Data(), (Long_t)param->GetVal());
1736
1737 TObjArray* tokens = obj->String().Tokenize(" ");
1738 for (Int_t i=0; i<tokens->GetEntries(); i++)
1739 {
1740 TParameter<Long64_t>* count = dynamic_cast<TParameter<Long64_t>*> (singleTrigger.GetValue(((TObjString*) tokens->At(i))->String().Data()));
1741 if (!count)
1742 {
1743 count = new TParameter<Long64_t>(((TObjString*) tokens->At(i))->String().Data(), 0);
1744 singleTrigger.Add(new TObjString(((TObjString*) tokens->At(i))->String().Data()), count);
1745 }
1746 count->SetVal(count->GetVal() + param->GetVal());
1747 }
1748
1749 delete tokens;
1750 }
1751 delete iter;
1752
1753 Printf("Event count for single trigger:");
1754
1755 iter = singleTrigger.MakeIterator();
1756 while ((obj = dynamic_cast<TObjString*> (iter->Next())))
1757 {
1758 TParameter<Long64_t>* param = static_cast<TParameter<Long64_t>*> (singleTrigger.GetValue(obj));
1759
1760 Printf(" %s: %ld triggers", obj->String().Data(), (Long_t)param->GetVal());
1761 }
1762 delete iter;
1763
1764 singleTrigger.DeleteAll();
1765}
1766
1767
1768//----------------------------------------------------------------------------------------------------
1769AliTriggerAnalysis::T0Decision AliTriggerAnalysis::T0Trigger(const AliESDEvent* aEsd, Bool_t online, Bool_t fillHists)
1770{
1771 // Returns the T0 TVDC trigger decision
1772 //
1773 // argument 'online' is used as a switch between online and offline trigger algorithms
1774 // in online mode return 0TVX
1775 // in offline mode in addition check pile-up and background :
1776 // pile-up readed from ESD: check if TVDC (0TVX module name) has more 1 hit;
1777 // backgroud flag readed from ESD : check in given time interval OrA and OrC were correct but TVDC not
1778 //
1779 // Based on an algorithm by Alla Maevskaya
1780
1781 const AliESDTZERO* esdT0 = aEsd->GetESDTZERO();
1782 if (!esdT0)
1783 {
1784 AliError("AliESDTZERO not available");
1785 return kT0Invalid;
1786 }
1787 //???? AliDebug(2,Form("In T0Trigger: %f %f",esdV0->GetV0ATime(),esdV0->GetV0CTime()));
1788 Float_t tvdc[5] ;
1789 for (Int_t ii=0; ii<5; ii++)
1790 tvdc[ii] = esdT0->GetTVDC(ii);
1791 Int_t trig=esdT0->GetT0Trig();
1792 // cout<<" T0 trig "<<trig<<endl;
1793
1794 if(fillHists) fHistT0->Fill(tvdc[0]);
1795
1796 if (online) {
1797 if(aEsd->GetHeader()->GetFiredTriggerInputs().Contains("0TVX") ) return kT0BB;
1798 }
1799 else {
1800
1801 if (esdT0->GetPileupFlag()) return kT0DecPileup;
1802 if (esdT0->GetBackgroundFlag()) return kT0DecBG;
1803 if (tvdc[0]>-5 && tvdc[0]<5 && tvdc[0] != 0) return kT0BB;
1804 }
1805
1806 if (fMC)
1807 if( esdT0->GetT0zVertex()>-12.3 && esdT0->GetT0zVertex() < 10.3) return kT0BB;
1808
1809 return kT0Empty;
1810}
1811
1812//----------------------------------------------------------------------------------------------------
1813Bool_t AliTriggerAnalysis::EMCALCellsTrigger(const AliESDEvent *aEsd)
1814{
1815 //
1816 // Returns the EMCAL trigger decision
1817 // so far only implemented for LHC11a data
1818 // see http://alisoft.cern.ch/viewvc/trunk/PWGGA/EMCALTasks/AliEmcalPhysicsSelection.cxx?view=markup&root=AliRoot Revision 56136
1819 //
1820
1821 Bool_t isFired = kTRUE;
1822 const Int_t runNumber = aEsd->GetRunNumber();
1823
1824 /*
1825 // Load EMCAL branches from the manager
1826 AliAnalysisManager *am = AliAnalysisManager::GetAnalysisManager();
1827 am->LoadBranch("EMCALCells.");
1828 am->LoadBranch("CaloClusters");
1829 */
1830
1831 // Get EMCAL cells
1832 AliVCaloCells *cells = aEsd->GetEMCALCells();
1833 const Short_t nCells = cells->GetNumberOfCells();
1834
1835 // count cells above threshold per sm
1836 Int_t nCellCount[10] = {0,0,0,0,0,0,0,0,0,0};
1837 for(Int_t iCell=0; iCell<nCells; ++iCell) {
1838 Short_t cellId = cells->GetCellNumber(iCell);
1839 Double_t cellE = cells->GetCellAmplitude(cellId);
1840 Int_t sm = cellId / (24*48);
1841 if (cellE>0.1)
1842 ++nCellCount[sm];
1843 }
1844
1845 // Trigger decision for LHC11a
1846 Bool_t isLedEvent = kFALSE;
1847 if ((runNumber>=144871) && (runNumber<=146860)) {
1848 if (nCellCount[4] > 100)
1849 isLedEvent = kTRUE;
1850 else {
1851 if ((runNumber>=146858) && (runNumber<=146860)) {
1852 if (nCellCount[3]>=35)
1853 isLedEvent = kTRUE;
1854 }
1855 }
1856 }
1857
1858 if (isLedEvent) {
1859 isFired = kFALSE;
1860 }
1861
1862 return isFired;
1863}