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