1 /* $Id: AliTriggerAnalysis.cxx 35782 2009-10-22 11:54:31Z jgrosseo $ */
3 /**************************************************************************
4 * Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
6 * Author: The ALICE Off-line Project. *
7 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
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 //-------------------------------------------------------------------------
25 #include <Riostream.h>
29 #include <TIterator.h>
30 #include "TParameter.h"
34 #include <AliTriggerAnalysis.h>
38 #include <AliESDEvent.h>
40 #include <AliMultiplicity.h>
41 #include <AliESDVZERO.h>
42 #include <AliESDZDC.h>
43 #include <AliESDFMD.h>
44 #include <AliESDVertex.h>
45 #include <AliESDtrackCuts.h>
47 ClassImp(AliTriggerAnalysis)
49 AliTriggerAnalysis::AliTriggerAnalysis() :
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),
87 AliTriggerAnalysis::~AliTriggerAnalysis()
97 if (fHistFiredBitsSPD)
99 delete fHistFiredBitsSPD;
100 fHistFiredBitsSPD = 0;
130 if (fHistTimeCorrZDC)
132 delete fHistTimeCorrZDC;
133 fHistTimeCorrZDC = 0;
150 delete fHistFMDSingle;
162 fTriggerClasses->DeleteAll();
163 delete fTriggerClasses;
168 delete fEsdTrackCuts;
173 void AliTriggerAnalysis::EnableHistograms()
175 // creates the monitoring histograms
177 // do not add this hists to the directory
178 Bool_t oldStatus = TH1::AddDirectoryStatus();
179 TH1::AddDirectory(kFALSE);
181 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);
182 fHistFiredBitsSPD = new TH1F("fHistFiredBitsSPD", "SPD GFO Hardware;chip number;events", 1200, -0.5, 1199.5);
183 fHistV0A = new TH1F("fHistV0A", "V0A;leading time (ns);events", 400, -100, 100);
184 fHistV0C = new TH1F("fHistV0C", "V0C;leading time (ns);events", 400, -100, 100);
185 fHistZDC = new TH1F("fHistZDC", "ZDC;trigger bits;events", 8, -1.5, 6.5);
186 fHistTDCZDC = new TH1F("fHistTDCZDC", "ZDC;TDC bits;events", 32, -0.5, 32-0.5);
187 fHistTimeZDC = new TH2F("fHistTimeZDC", "ZDC;TDC timing A+C vs C-A; events", 120,-30,30,120,-600,-540);
188 fHistTimeCorrZDC = new TH2F("fHistTimeCorrZDC", "ZDC;Corrected TDC timing A+C vs C-A; events", 120,-30,30,120,-100,-40);
191 fHistFMDA = new TH1F("fHistFMDA", "FMDA;combinations above threshold;events", 102, -1.5, 100.5);
192 fHistFMDC = new TH1F("fHistFMDC", "FMDC;combinations above threshold;events", 102, -1.5, 100.5);
193 fHistFMDSingle = new TH1F("fHistFMDSingle", "FMD single;multiplicity value;counts", 1000, 0, 10);
194 fHistFMDSum = new TH1F("fHistFMDSum", "FMD sum;multiplicity value;counts", 1000, 0, 10);
196 fTriggerClasses = new TMap;
197 fTriggerClasses->SetOwner();
199 TH1::AddDirectory(oldStatus);
202 //____________________________________________________________________
203 const char* AliTriggerAnalysis::GetTriggerName(Trigger trigger)
205 // returns the name of the requested trigger
206 // the returned string will only be valid until the next call to this function [not thread-safe]
210 UInt_t triggerNoFlags = (UInt_t) trigger % (UInt_t) kStartOfFlags;
212 switch (triggerNoFlags)
214 case kAcceptAll : str = "ACCEPT ALL (bypass!)"; break;
215 case kMB1 : str = "MB1"; break;
216 case kMB2 : str = "MB2"; break;
217 case kMB3 : str = "MB3"; break;
218 case kSPDGFO : str = "SPD GFO"; break;
219 case kSPDGFOBits : str = "SPD GFO Bits"; break;
220 case kSPDGFOL0 : str = "SPD GFO L0 (first layer)"; break;
221 case kSPDGFOL1 : str = "SPD GFO L1 (second layer)"; break;
222 case kV0A : str = "V0 A BB"; break;
223 case kV0C : str = "V0 C BB"; break;
224 case kV0OR : str = "V0 OR BB"; break;
225 case kV0AND : str = "V0 AND BB"; break;
226 case kV0ABG : str = "V0 A BG"; break;
227 case kV0CBG : str = "V0 C BG"; break;
228 case kZDC : str = "ZDC"; break;
229 case kZDCA : str = "ZDC A"; break;
230 case kZDCC : str = "ZDC C"; break;
231 case kFMDA : str = "FMD A"; break;
232 case kFMDC : str = "FMD C"; break;
233 case kFPANY : str = "SPD GFO | V0 | ZDC | FMD"; break;
234 case kNSD1 : str = "NSD1"; break;
235 case kMB1Prime: str = "MB1prime"; break;
236 case kZDCTDCA : str = "ZDC TDC A"; break;
237 case kZDCTDCC : str = "ZDC TDC C"; break;
238 case kZDCTime : str = "ZDC Time Cut"; break;
239 default: str = ""; break;
242 if (trigger & kOfflineFlag)
245 if (trigger & kOneParticle)
246 str += " OneParticle";
248 if (trigger & kOneTrack)
254 Bool_t AliTriggerAnalysis::IsTriggerFired(const AliESDEvent* aEsd, Trigger trigger)
256 // checks if an event has been triggered
258 if (trigger & kOfflineFlag)
259 return IsOfflineTriggerFired(aEsd, trigger);
261 return IsTriggerBitFired(aEsd, trigger);
264 Bool_t AliTriggerAnalysis::IsTriggerBitFired(const AliESDEvent* aEsd, Trigger trigger) const
266 // checks if an event is fired using the trigger bits
268 return IsTriggerBitFired(aEsd->GetTriggerMask(), trigger);
271 Bool_t AliTriggerAnalysis::IsTriggerBitFired(ULong64_t triggerMask, Trigger trigger) const
273 // checks if an event is fired using the trigger bits
275 // this function needs the branch TriggerMask in the ESD
277 // definitions from p-p.cfg
278 ULong64_t spdFO = (1 << 14);
279 ULong64_t v0left = (1 << 10);
280 ULong64_t v0right = (1 << 11);
291 if (triggerMask & spdFO || ((triggerMask & v0left) || (triggerMask & v0right)))
297 if (triggerMask & spdFO && ((triggerMask & v0left) || (triggerMask & v0right)))
303 if (triggerMask & spdFO && (triggerMask & v0left) && (triggerMask & v0right))
309 if (triggerMask & spdFO)
314 Printf("IsEventTriggered: ERROR: Trigger type %d not implemented in this method", (Int_t) trigger);
321 Bool_t AliTriggerAnalysis::IsTriggerBitFired(const AliESDEvent* aEsd, ULong64_t tclass) const
323 // Checks if corresponding bit in mask is on
325 ULong64_t trigmask = aEsd->GetTriggerMask();
326 return (trigmask & (1ull << (tclass-1)));
329 Int_t AliTriggerAnalysis::EvaluateTrigger(const AliESDEvent* aEsd, Trigger trigger)
331 // evaluates a given trigger "offline"
332 // trigger combinations are not supported, for that see IsOfflineTriggerFired
334 UInt_t triggerNoFlags = (UInt_t) trigger % (UInt_t) kStartOfFlags;
335 Bool_t offline = kFALSE;
336 if (trigger & kOfflineFlag)
340 switch (triggerNoFlags)
344 decision = SPDFiredChips(aEsd, (offline) ? 0 : 1);
349 decision = SPDFiredChips(aEsd, (offline) ? 0 : 1, kFALSE, 1);
354 decision = SPDFiredChips(aEsd, (offline) ? 0 : 1, kFALSE, 2);
359 if (V0Trigger(aEsd, kASide, !offline) == kV0BB)
365 if (V0Trigger(aEsd, kCSide, !offline) == kV0BB)
371 if (V0Trigger(aEsd, kASide, !offline) == kV0BG)
377 if (V0Trigger(aEsd, kCSide, !offline) == kV0BG)
384 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
385 if (ZDCTrigger(aEsd, kASide))
392 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
393 if (ZDCTrigger(aEsd, kCSide))
400 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
401 if (ZDCTDCTrigger(aEsd, kASide))
408 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
409 if (ZDCTDCTrigger(aEsd, kCSide))
416 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
417 if (ZDCTimeTrigger(aEsd))
424 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
425 if (FMDTrigger(aEsd, kASide))
432 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
433 if (FMDTrigger(aEsd, kCSide))
440 AliFatal(Form("Offline trigger not available for trigger %d", triggerNoFlags));
441 if (IsL0InputFired(aEsd, 2))
448 AliFatal(Form("Offline trigger not available for trigger %d", triggerNoFlags));
449 if (IsL0InputFired(aEsd, 3))
453 case kTPCLaserWarmUp:
456 AliFatal(Form("Online trigger not available for trigger %d", triggerNoFlags));
457 return IsLaserWarmUpTPCEvent(aEsd);
461 AliFatal(Form("Trigger type %d not implemented", triggerNoFlags));
468 Bool_t AliTriggerAnalysis::IsLaserWarmUpTPCEvent(const AliESDEvent* esd)
471 // This function flags noisy TPC events which can happen during laser warm-up.
474 Int_t trackCounter = 0;
475 for (Int_t i=0; i<esd->GetNumberOfTracks(); ++i)
477 AliESDtrack *track = esd->GetTrack(i);
481 if (track->GetTPCNcls() < 30) continue;
482 if (TMath::Abs(track->Eta()) > 0.005) continue;
483 if (track->Pt() < 4) continue;
484 if (track->GetKinkIndex(0) > 0) continue;
486 UInt_t status = track->GetStatus();
487 if ((status&AliESDtrack::kITSrefit)==AliESDtrack::kITSrefit) continue; // explicitly ask for tracks without ITS refit
488 if ((status&AliESDtrack::kTPCrefit)!=AliESDtrack::kTPCrefit) continue;
490 if (track->GetTPCsignal() > 10) continue; // explicitly ask for tracks without dE/dx
494 if (trackCounter > 15)
499 Bool_t AliTriggerAnalysis::IsOfflineTriggerFired(const AliESDEvent* aEsd, Trigger trigger)
501 // checks if an event has been triggered "offline"
503 UInt_t triggerNoFlags = (UInt_t) trigger % (UInt_t) kStartOfFlags;
505 Bool_t decision = kFALSE;
506 switch (triggerNoFlags)
515 if (SPDGFOTrigger(aEsd, 0) || V0Trigger(aEsd, kASide, kFALSE) == kV0BB || V0Trigger(aEsd, kCSide, kFALSE) == kV0BB)
521 if (SPDGFOTrigger(aEsd, 0) && (V0Trigger(aEsd, kASide, kFALSE) == kV0BB || V0Trigger(aEsd, kCSide, kFALSE) == kV0BB))
527 if (SPDGFOTrigger(aEsd, 0) && V0Trigger(aEsd, kASide, kFALSE) == kV0BB && V0Trigger(aEsd, kCSide, kFALSE) == kV0BB)
533 if (SPDGFOTrigger(aEsd, 0))
539 if (SPDGFOTrigger(aEsd, 1))
545 if (V0Trigger(aEsd, kASide, kFALSE) == kV0BB)
551 if (V0Trigger(aEsd, kCSide, kFALSE) == kV0BB)
557 if (V0Trigger(aEsd, kASide, kFALSE) == kV0BB || V0Trigger(aEsd, kCSide, kFALSE) == kV0BB)
563 if (V0Trigger(aEsd, kASide, kFALSE) == kV0BB && V0Trigger(aEsd, kCSide, kFALSE) == kV0BB)
569 if (V0Trigger(aEsd, kASide, kFALSE) == kV0BG)
575 if (V0Trigger(aEsd, kCSide, kFALSE) == kV0BG)
581 if (ZDCTrigger(aEsd, kASide) || ZDCTrigger(aEsd, kCentralBarrel) || ZDCTrigger(aEsd, kCSide))
587 if (ZDCTrigger(aEsd, kASide))
593 if (ZDCTrigger(aEsd, kCSide))
599 if (FMDTrigger(aEsd, kASide))
605 if (FMDTrigger(aEsd, kCSide))
611 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))
617 if (SPDFiredChips(aEsd, 0) >= 5 || (V0Trigger(aEsd, kASide, kFALSE) == kV0BB && V0Trigger(aEsd, kCSide, kFALSE) == kV0BB))
624 if (SPDGFOTrigger(aEsd, 0))
626 if (V0Trigger(aEsd, kASide, kFALSE) == kV0BB)
628 if (V0Trigger(aEsd, kCSide, kFALSE) == kV0BB)
638 AliFatal(Form("Trigger type %d not implemented", triggerNoFlags));
642 // hadron-level requirement
643 if (decision && (trigger & kOneParticle))
647 const AliESDVertex* vertex = aEsd->GetPrimaryVertexSPD();
648 const AliMultiplicity* mult = aEsd->GetMultiplicity();
650 if (mult && vertex && vertex->GetNContributors() > 0 && (!vertex->IsFromVertexerZ() || vertex->GetDispersion() < 0.02) && TMath::Abs(vertex->GetZv()) < 5.5)
652 for (Int_t i=0; i<mult->GetNumberOfTracklets(); ++i)
654 if (TMath::Abs(mult->GetEta(i)) < 1)
663 // hadron level definition for TPC tracks
665 if (decision && (trigger & kOneTrack))
668 const AliESDVertex* vertex =0x0;
669 vertex = aEsd->GetPrimaryVertexTracks();
670 if (!vertex || vertex->GetNContributors() <= 0)
672 vertex = aEsd->GetPrimaryVertexSPD();
674 Float_t ptmin, ptmax;
675 fEsdTrackCuts->GetPtRange(ptmin,ptmax);
676 AliDebug(3, Form("ptmin = %f, ptmax = %f\n",ptmin, ptmax));
678 if (vertex && vertex->GetNContributors() > 0 && (!vertex->IsFromVertexerZ() || vertex->GetDispersion() < 0.02) && TMath::Abs(vertex->GetZv()) < 10.) {
679 AliDebug(3,Form("Check on the vertex passed\n"));
680 for (Int_t i=0; i<aEsd->GetNumberOfTracks(); ++i){
681 if (fEsdTrackCuts->AcceptTrack(aEsd->GetTrack(i))){
682 AliDebug(2, Form("pt of track = %f --> check passed\n",aEsd->GetTrack(i)->Pt()));
689 AliDebug(4,Form("Check on the vertex not passed\n"));
690 for (Int_t i=0; i<aEsd->GetNumberOfTracks(); ++i){
691 if (fEsdTrackCuts->AcceptTrack(aEsd->GetTrack(i))){
692 AliDebug(4,Form("pt of track = %f --> check would be passed if the vertex was ok\n",aEsd->GetTrack(i)->Pt()));
697 if (!decision) AliDebug(3,("Check for kOneTrack NOT passed\n"));
703 Bool_t AliTriggerAnalysis::IsTriggerClassFired(const AliESDEvent* aEsd, const Char_t* tclass) const
705 // tclass is logical function of inputs, e.g. 01 && 02 || 03 && 11 && 21
706 // = L0 inp 1 && L0 inp 2 || L0 inp 3 && L1 inp 1 && L2 inp 1
707 // NO brackets in logical function !
708 // Spaces between operators and inputs.
709 // Not all logical functions are available in CTP=
710 // =any function of first 4 inputs; 'AND' of other inputs, check not done
711 // This method will be replaced/complemened by similar one
712 // which works withh class and inputs names as in CTP cfg file
714 TString TClass(tclass);
715 TObjArray* tcltokens = TClass.Tokenize(" ");
716 Char_t level=((TObjString*)tcltokens->At(0))->String()[0];
717 UInt_t input=atoi((((TObjString*)tcltokens->At(0))->String()).Remove(0));
718 Bool_t tcl = IsInputFired(aEsd,level,input);
720 for (Int_t i=1;i<tcltokens->GetEntriesFast();i=i+2) {
721 level=((TObjString*)tcltokens->At(i+1))->String()[0];
722 input=atoi((((TObjString*)tcltokens->At(i+1))->String()).Remove(0));
723 Bool_t inpnext = IsInputFired(aEsd,level,input);
724 Char_t op =((TObjString*)tcltokens->At(i))->String()[0];
725 if (op == '&') tcl=tcl && inpnext;
726 else if (op == '|') tcl =tcl || inpnext;
728 AliError(Form("Syntax error in %s", tclass));
731 // tcltokens->Delete();
737 // tcltokens->Delete();
741 Bool_t AliTriggerAnalysis::IsInputFired(const AliESDEvent* aEsd, Char_t level, UInt_t input) const
743 // Checks trigger input of any level
747 case '0': return IsL0InputFired(aEsd,input);
748 case '1': return IsL1InputFired(aEsd,input);
749 case '2': return IsL2InputFired(aEsd,input);
751 AliError(Form("Wrong level %i",level));
756 Bool_t AliTriggerAnalysis::IsL0InputFired(const AliESDEvent* aEsd, UInt_t input) const
758 // Checks if corresponding bit in mask is on
760 UInt_t inpmask = aEsd->GetHeader()->GetL0TriggerInputs();
761 return (inpmask & (1<<(input-1)));
764 Bool_t AliTriggerAnalysis::IsL1InputFired(const AliESDEvent* aEsd, UInt_t input) const
766 // Checks if corresponding bit in mask is on
768 UInt_t inpmask = aEsd->GetHeader()->GetL1TriggerInputs();
769 return (inpmask & (1<<(input-1)));
772 Bool_t AliTriggerAnalysis::IsL2InputFired(const AliESDEvent* aEsd, UInt_t input) const
774 // Checks if corresponding bit in mask is on
776 UInt_t inpmask = aEsd->GetHeader()->GetL2TriggerInputs();
777 return (inpmask & (1<<(input-1)));
780 void AliTriggerAnalysis::FillHistograms(const AliESDEvent* aEsd)
782 // fills the histograms with the info from the ESD
784 fHistBitsSPD->Fill(SPDFiredChips(aEsd, 0), SPDFiredChips(aEsd, 1, kTRUE));
786 V0Trigger(aEsd, kASide, kFALSE, kTRUE);
787 V0Trigger(aEsd, kCSide, kFALSE, kTRUE);
788 ZDCTDCTrigger(aEsd,kASide,kFALSE,kFALSE,kTRUE);
789 ZDCTimeTrigger(aEsd,kTRUE);
791 AliESDZDC* zdcData = aEsd->GetESDZDC();
794 UInt_t quality = zdcData->GetESDQuality();
796 // from Nora's presentation, general first physics meeting 16.10.09
797 static UInt_t zpc = 0x20;
798 static UInt_t znc = 0x10;
799 static UInt_t zem1 = 0x08;
800 static UInt_t zem2 = 0x04;
801 static UInt_t zpa = 0x02;
802 static UInt_t zna = 0x01;
804 fHistZDC->Fill(1, quality & zna);
805 fHistZDC->Fill(2, quality & zpa);
806 fHistZDC->Fill(3, quality & zem2);
807 fHistZDC->Fill(4, quality & zem1);
808 fHistZDC->Fill(5, quality & znc);
809 fHistZDC->Fill(6, quality & zpc);
814 AliError("AliESDZDC not available");
818 fHistFMDA->Fill(FMDHitCombinations(aEsd, kASide, kTRUE));
819 fHistFMDC->Fill(FMDHitCombinations(aEsd, kCSide, kTRUE));
823 void AliTriggerAnalysis::FillTriggerClasses(const AliESDEvent* aEsd)
825 // fills trigger classes map
827 TParameter<Long64_t>* count = dynamic_cast<TParameter<Long64_t>*> (fTriggerClasses->GetValue(aEsd->GetFiredTriggerClasses().Data()));
830 count = new TParameter<Long64_t>(aEsd->GetFiredTriggerClasses(), 0);
831 fTriggerClasses->Add(new TObjString(aEsd->GetFiredTriggerClasses().Data()), count);
833 count->SetVal(count->GetVal() + 1);
836 Int_t AliTriggerAnalysis::SSDClusters(const AliESDEvent* aEsd)
838 // returns the number of clusters in the SSD
839 const AliMultiplicity* mult = aEsd->GetMultiplicity();
840 Int_t clusters = mult->GetNumberOfITSClusters(4)+mult->GetNumberOfITSClusters(5);
845 Int_t AliTriggerAnalysis::SPDFiredChips(const AliESDEvent* aEsd, Int_t origin, Bool_t fillHists, Int_t layer)
847 // returns the number of fired chips in the SPD
849 // origin = 0 --> aEsd->GetMultiplicity()->GetNumberOfFiredChips() (filled from clusters)
850 // origin = 1 --> aEsd->GetMultiplicity()->TestFastOrFiredChips() (from hardware bits)
851 // layer = 0 --> both layers
852 // layer = 1 --> inner
853 // layer = 2 --> outer
855 const AliMultiplicity* mult = aEsd->GetMultiplicity();
858 AliError("AliMultiplicity not available");
864 return mult->GetNumberOfFiredChips(0) + mult->GetNumberOfFiredChips(1);
866 return mult->GetNumberOfFiredChips(layer-1);
873 Int_t lastChip = 1200;
879 for (Int_t i=firstChip; i<lastChip; i++)
881 if (mult->TestFastOrFiredChips(i) == kTRUE)
883 // efficiency simulation (if enabled)
884 if (fSPDGFOEfficiency)
886 if (gRandom->Uniform() > fSPDGFOEfficiency->GetBinContent(i+1))
892 fHistFiredBitsSPD->Fill(i);
901 Bool_t AliTriggerAnalysis::SPDGFOTrigger(const AliESDEvent* aEsd, Int_t origin)
903 // Returns if the SPD gave a global Fast OR trigger
905 Int_t firedChips = SPDFiredChips(aEsd, origin);
907 if (firedChips >= fSPDGFOThreshold)
912 AliTriggerAnalysis::V0Decision AliTriggerAnalysis::V0Trigger(const AliESDEvent* aEsd, AliceSide side, Bool_t online, Bool_t fillHists)
914 // Returns the V0 trigger decision in V0A | V0C
916 // Returns kV0Fake if the calculated average time is in a window where neither BB nor BG is expected.
917 // The rate of such triggers can be used to estimate the background. Note that the rate has to be
918 // rescaled with the size of the windows (numerical values see below in the code)
920 // argument 'online' is used as a switch between online and offline trigger algorithms
922 // Based on an algorithm by Cvetan Cheshkov
924 AliESDVZERO* esdV0 = aEsd->GetVZEROData();
927 AliError("AliESDVZERO not available");
930 AliDebug(2,Form("In V0Trigger: %f %f",esdV0->GetV0ATime(),esdV0->GetV0CTime()));
940 else if (side == kCSide)
948 if (esdV0->TestBit(AliESDVZERO::kDecisionFilled)) {
950 if (esdV0->TestBit(AliESDVZERO::kOnlineBitsFilled)) {
951 for (Int_t i = begin; i < end; ++i) {
952 if (esdV0->GetBBFlag(i)) return kV0BB;
954 for (Int_t i = begin; i < end; ++i) {
955 if (esdV0->GetBGFlag(i)) return kV0BG;
960 AliWarning("V0 online trigger analysis is not yet available!");
967 if (side == kASide && fHistV0A)
968 fHistV0A->Fill(esdV0->GetV0ATime());
969 if (side == kCSide && fHistV0C)
970 fHistV0C->Fill(esdV0->GetV0CTime());
973 if (side == kASide) return (V0Decision)esdV0->GetV0ADecision();
974 else if (side == kCSide) return (V0Decision)esdV0->GetV0CDecision();
975 else return kV0Invalid;
984 if (aEsd->GetRunNumber() <= 104803) runRange = 0;
985 else if (aEsd->GetRunNumber() <= 104876) runRange = 1;
988 Float_t factors[3][64] = {
989 // runs: 104792-104803
990 {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},
991 // runs: 104841-104876
992 {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},
994 {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}
996 Float_t dA = 77.4 - 11.0;
997 Float_t dC = 77.4 - 2.9;
999 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};
1000 Float_t dA2 = 2.8, dC2 = 3.3;
1003 for (Int_t i = begin; i < end; ++i) {
1004 Float_t tempAdc = esdV0->GetAdc(i)/factors[runRange][i];
1005 Float_t tempTime = (i >= 32) ? esdV0->GetTime(i)+dA+timeShift[i]+dA2 : esdV0->GetTime(i)+dC+timeShift[i]+dC2;
1006 if (esdV0->GetTime(i) >= 1e-6 &&
1007 tempTime > fV0HwWinLow && tempTime < fV0HwWinHigh &&
1008 tempAdc > fV0HwAdcThr)
1014 for (Int_t i = begin; i < end; ++i) {
1015 Float_t tempAdc = esdV0->GetAdc(i)/factors[runRange][i];
1016 Float_t tempTime = (i >= 32) ? esdV0->GetTime(i)+dA : esdV0->GetTime(i)+dC;
1017 Float_t tempRawTime = (i >= 32) ? esdV0->GetTime(i)+dA+timeShift[i]+dA2 : esdV0->GetTime(i)+dC+timeShift[i]+dC2;
1018 if (esdV0->GetTime(i) >= 1e-6 &&
1019 tempRawTime < 125.0 &&
1020 tempAdc > fV0AdcThr) {
1029 for (Int_t i = begin; i < end; ++i) {
1030 if (esdV0->GetTime(i) >= 1e-6 &&
1031 esdV0->GetTime(i) > fV0HwWinLow && esdV0->GetTime(i) < fV0HwWinHigh &&
1032 esdV0->GetAdc(i) > fV0HwAdcThr)
1038 for (Int_t i = begin; i < end; ++i) {
1039 if (esdV0->GetTime(i) > 1e-6 && esdV0->GetAdc(i) > fV0AdcThr) {
1040 Float_t correctedTime = V0CorrectLeadingTime(i, esdV0->GetTime(i), esdV0->GetAdc(i),aEsd->GetRunNumber());
1041 Float_t timeWeight = V0LeadingTimeWeight(esdV0->GetAdc(i));
1042 time += correctedTime*timeWeight;
1044 weight += timeWeight;
1052 time += fV0TimeOffset;
1056 if (side == kASide && fHistV0A)
1057 fHistV0A->Fill(time);
1058 if (side == kCSide && fHistV0C)
1059 fHistV0C->Fill(time);
1064 if (time > 68 && time < 100)
1066 if (time > 54 && time < 57.5)
1068 if (time > 57.5 && time < 68)
1074 if (time > 75.5 && time < 100)
1076 if (time > 69.5 && time < 73)
1078 if (time > 55 && time < 69.5)
1085 Float_t AliTriggerAnalysis::V0CorrectLeadingTime(Int_t i, Float_t time, Float_t adc, Int_t runNumber) const
1087 // Correct for slewing and align the channels
1089 // Authors: Cvetan Cheshkov / Raphael Tieulent
1091 if (time == 0) return 0;
1094 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};
1096 if(runNumber < 106031)
1097 time -= timeShift[i];
1099 // Slewing correction
1100 if (adc == 0) return time;
1102 Float_t p1 = 1.57345e1;
1103 Float_t p2 =-4.25603e-1;
1105 if(runNumber >= 106031) adc *= (2.5/4.0);
1106 return (time - p1*TMath::Power(adc,p2));
1109 Float_t AliTriggerAnalysis::V0LeadingTimeWeight(Float_t adc) const
1111 if (adc < 1e-6) return 0;
1113 Float_t p1 = 40.211;
1114 Float_t p2 =-4.25603e-1;
1115 Float_t p3 = 0.5646;
1117 return 1./(p1*p1*TMath::Power(adc,2.*(p2-1.))+p3*p3);
1121 Bool_t AliTriggerAnalysis::ZDCTDCTrigger(const AliESDEvent* aEsd, AliceSide side, Bool_t useZN, Bool_t useZP, Bool_t fillHists) const
1123 // Returns if ZDC triggered, based on TDC information
1125 AliESDZDC *esdZDC = aEsd->GetESDZDC();
1127 Bool_t zdcNA = kFALSE;
1128 Bool_t zdcNC = kFALSE;
1129 Bool_t zdcPA = kFALSE;
1130 Bool_t zdcPC = kFALSE;
1133 // If it's MC, we use the energy
1134 Double_t minEnergy = 0;
1135 Double_t zNCEnergy = esdZDC->GetZDCN1Energy();
1136 Double_t zPCEnergy = esdZDC->GetZDCP1Energy();
1137 Double_t zNAEnergy = esdZDC->GetZDCN2Energy();
1138 Double_t zPAEnergy = esdZDC->GetZDCP2Energy();
1139 zdcNA = (zNAEnergy>minEnergy);
1140 zdcNC = (zNCEnergy>minEnergy);
1141 zdcPA = (zPAEnergy>minEnergy);
1142 zdcPC = (zPCEnergy>minEnergy);
1147 Bool_t tdc[32] = {kFALSE};
1148 for(Int_t itdc=0; itdc<32; itdc++){
1149 for(Int_t i=0; i<4; i++){
1150 if (esdZDC->GetZDCTDCData(itdc, i) != 0){
1154 if(fillHists && tdc[itdc]) {
1155 fHistTDCZDC->Fill(itdc);
1164 if (side == kASide) return ((useZP&&zdcPA) || (useZN&&zdcNA));
1165 if (side == kCSide) return ((useZP&&zdcPC) || (useZN&&zdcNC));
1169 Bool_t AliTriggerAnalysis::ZDCTimeTrigger(const AliESDEvent *aEsd, Bool_t fillHists) const
1171 // This method implements a selection
1172 // based on the timing in both sides of zdcN
1173 // It can be used in order to eliminate
1174 // parasitic collisions
1175 Bool_t zdcAccept = kFALSE;
1176 AliESDZDC *esdZDC = aEsd->GetESDZDC();
1179 UInt_t esdFlag = esdZDC->GetESDQuality();
1181 Bool_t znaFired=kFALSE, zpaFired=kFALSE;
1182 Bool_t zem1Fired=kFALSE, zem2Fired=kFALSE;
1183 Bool_t zncFired=kFALSE, zpcFired=kFALSE;
1185 // **** Trigger patterns
1186 if((esdFlag & 0x00000001) == 0x00000001) znaFired=kTRUE;
1187 if((esdFlag & 0x00000002) == 0x00000002) zpaFired=kTRUE;
1188 if((esdFlag & 0x00000004) == 0x00000004) zem1Fired=kTRUE;
1189 if((esdFlag & 0x00000008) == 0x00000008) zem2Fired=kTRUE;
1190 if((esdFlag & 0x00000010) == 0x00000010) zncFired=kTRUE;
1191 if((esdFlag & 0x00000020) == 0x00000020) zpcFired=kTRUE;
1192 zdcAccept = (znaFired | zncFired);
1195 for(Int_t i = 0; i < 4; ++i) {
1196 if (esdZDC->GetZDCTDCData(10,i) != 0) {
1197 Float_t tdcC = 0.025*(esdZDC->GetZDCTDCData(10,i)-esdZDC->GetZDCTDCData(14,i));
1198 Float_t tdcCcorr = esdZDC->GetZDCTDCCorrected(10,i);
1199 for(Int_t j = 0; j < 4; ++j) {
1200 if (esdZDC->GetZDCTDCData(12,j) != 0) {
1201 Float_t tdcA = 0.025*(esdZDC->GetZDCTDCData(12,j)-esdZDC->GetZDCTDCData(14,j));
1203 Float_t tdcAcorr = esdZDC->GetZDCTDCCorrected(12,j);
1205 fHistTimeZDC->Fill(tdcC-tdcA,tdcC+tdcA);
1206 fHistTimeCorrZDC->Fill(tdcCcorr-tdcAcorr,tdcCcorr+tdcAcorr);
1208 if (esdZDC->TestBit(AliESDZDC::kCorrectedTDCFilled)) {
1209 if (((tdcCcorr-tdcAcorr-fZDCCutRefDeltaCorr)*(tdcCcorr-tdcAcorr-fZDCCutRefDeltaCorr)/(fZDCCutSigmaDeltaCorr*fZDCCutSigmaDeltaCorr) +
1210 (tdcCcorr+tdcAcorr-fZDCCutRefSumCorr)*(tdcCcorr+tdcAcorr-fZDCCutRefSumCorr)/(fZDCCutSigmaSumCorr*fZDCCutSigmaSumCorr))< 1.0)
1214 if (((tdcC-tdcA-fZDCCutRefDelta)*(tdcC-tdcA-fZDCCutRefDelta)/(fZDCCutSigmaDelta*fZDCCutSigmaDelta) +
1215 (tdcC+tdcA-fZDCCutRefSum)*(tdcC+tdcA-fZDCCutRefSum)/(fZDCCutSigmaSum*fZDCCutSigmaSum))< 1.0)
1226 Bool_t AliTriggerAnalysis::ZDCTrigger(const AliESDEvent* aEsd, AliceSide side) const
1228 // Returns if ZDC triggered
1230 AliESDZDC* zdcData = aEsd->GetESDZDC();
1233 AliError("AliESDZDC not available");
1237 UInt_t quality = zdcData->GetESDQuality();
1239 // from Nora's presentation, general first physics meeting 16.10.09
1240 static UInt_t zpc = 0x20;
1241 static UInt_t znc = 0x10;
1242 static UInt_t zem1 = 0x08;
1243 static UInt_t zem2 = 0x04;
1244 static UInt_t zpa = 0x02;
1245 static UInt_t zna = 0x01;
1247 if (side == kASide && ((quality & zpa) || (quality & zna)))
1249 if (side == kCentralBarrel && ((quality & zem1) || (quality & zem2)))
1251 if (side == kCSide && ((quality & zpc) || (quality & znc)))
1257 Int_t AliTriggerAnalysis::FMDHitCombinations(const AliESDEvent* aEsd, AliceSide side, Bool_t fillHists)
1259 // returns number of hit combinations agove threshold
1261 // Authors: FMD team, Hans Dalsgaard (code merged from FMD/AliFMDOfflineTrigger)
1266 // Workaround for AliESDEvent::GetFMDData is not const!
1267 const AliESDFMD* fmdData = (const_cast<AliESDEvent*>(aEsd))->GetFMDData();
1270 AliError("AliESDFMD not available");
1274 Int_t detFrom = (side == kASide) ? 1 : 3;
1275 Int_t detTo = (side == kASide) ? 2 : 3;
1278 Float_t totalMult = 0;
1279 for (UShort_t det=detFrom;det<=detTo;det++) {
1280 Int_t nRings = (det == 1 ? 1 : 2);
1281 for (UShort_t ir = 0; ir < nRings; ir++) {
1282 Char_t ring = (ir == 0 ? 'I' : 'O');
1283 UShort_t nsec = (ir == 0 ? 20 : 40);
1284 UShort_t nstr = (ir == 0 ? 512 : 256);
1285 for (UShort_t sec =0; sec < nsec; sec++) {
1286 for (UShort_t strip = 0; strip < nstr; strip++) {
1287 Float_t mult = fmdData->Multiplicity(det,ring,sec,strip);
1288 if (mult == AliESDFMD::kInvalidMult) continue;
1291 fHistFMDSingle->Fill(mult);
1293 if (mult > fFMDLowCut)
1294 totalMult = totalMult + mult;
1297 if (totalMult > fFMDHitCut)
1301 fHistFMDSum->Fill(totalMult);
1313 Bool_t AliTriggerAnalysis::FMDTrigger(const AliESDEvent* aEsd, AliceSide side)
1315 // Returns if the FMD triggered
1317 // Authors: FMD team, Hans Dalsgaard (code merged from FMD/AliFMDOfflineTrigger)
1319 Int_t triggers = FMDHitCombinations(aEsd, side, kFALSE);
1327 Long64_t AliTriggerAnalysis::Merge(TCollection* list)
1329 // Merge a list of AliMultiplicityCorrection objects with this (needed for
1331 // Returns the number of merged objects (including this).
1336 if (list->IsEmpty())
1339 TIterator* iter = list->MakeIterator();
1342 // collections of all histograms
1343 const Int_t nHists = 12;
1344 TList collections[nHists];
1347 while ((obj = iter->Next())) {
1349 AliTriggerAnalysis* entry = dynamic_cast<AliTriggerAnalysis*> (obj);
1354 collections[n++].Add(entry->fHistV0A);
1355 collections[n++].Add(entry->fHistV0C);
1356 collections[n++].Add(entry->fHistZDC);
1357 collections[n++].Add(entry->fHistTDCZDC);
1358 collections[n++].Add(entry->fHistTimeZDC);
1359 collections[n++].Add(entry->fHistTimeCorrZDC);
1360 collections[n++].Add(entry->fHistFMDA);
1361 collections[n++].Add(entry->fHistFMDC);
1362 collections[n++].Add(entry->fHistFMDSingle);
1363 collections[n++].Add(entry->fHistFMDSum);
1364 collections[n++].Add(entry->fHistBitsSPD);
1365 collections[n++].Add(entry->fHistFiredBitsSPD);
1367 // merge fTriggerClasses
1368 TIterator* iter2 = entry->fTriggerClasses->MakeIterator();
1369 TObjString* obj2 = 0;
1370 while ((obj2 = dynamic_cast<TObjString*> (iter2->Next())))
1372 TParameter<Long64_t>* param2 = static_cast<TParameter<Long64_t>*> (entry->fTriggerClasses->GetValue(obj2));
1374 TParameter<Long64_t>* param1 = dynamic_cast<TParameter<Long64_t>*> (fTriggerClasses->GetValue(obj2));
1377 param1->SetVal(param1->GetVal() + param2->GetVal());
1381 param1 = dynamic_cast<TParameter<Long64_t>*> (param2->Clone());
1382 fTriggerClasses->Add(new TObjString(obj2->String()), param1);
1392 fHistV0A->Merge(&collections[n++]);
1393 fHistV0C->Merge(&collections[n++]);
1394 fHistZDC->Merge(&collections[n++]);
1395 fHistTDCZDC->Merge(&collections[n++]);
1397 fHistTimeZDC->Merge(&collections[n++]);
1400 if (fHistTimeCorrZDC)
1401 fHistTimeCorrZDC->Merge(&collections[n++]);
1404 fHistFMDA->Merge(&collections[n++]);
1405 fHistFMDC->Merge(&collections[n++]);
1406 fHistFMDSingle->Merge(&collections[n++]);
1407 fHistFMDSum->Merge(&collections[n++]);
1408 fHistBitsSPD->Merge(&collections[n++]);
1409 fHistFiredBitsSPD->Merge(&collections[n++]);
1416 void AliTriggerAnalysis::SaveHistograms() const
1418 // write histograms to current directory
1424 fHistBitsSPD->Write();
1425 fHistBitsSPD->ProjectionX();
1426 fHistBitsSPD->ProjectionY();
1428 else Printf("Cannot save fHistBitsSPD");
1429 if (fHistFiredBitsSPD) fHistFiredBitsSPD->Write();
1430 else Printf("Cannot save fHistFiredBitsSPD");
1431 if (fHistV0A) fHistV0A->Write();
1432 else Printf("Cannot save fHistV0A");
1433 if (fHistV0C) fHistV0C->Write();
1434 else Printf("Cannot save fHistV0C");
1435 if (fHistZDC) fHistZDC->Write();
1436 else Printf("Cannot save fHistZDC");
1437 if (fHistTDCZDC) fHistTDCZDC->Write();
1438 else Printf("Cannot save fHistTDCZDC");
1439 if (fHistTimeZDC) fHistTimeZDC->Write();
1440 else Printf("Cannot save fHistTimeZDC");
1441 if (fHistTimeCorrZDC) fHistTimeCorrZDC->Write();
1442 else Printf("Cannot save fHistTimeCorrZDC");
1443 if (fHistFMDA) fHistFMDA->Write();
1444 else Printf("Cannot save fHistFMDA");
1445 if (fHistFMDC) fHistFMDC->Write();
1446 else Printf("Cannot save fHistFMDC");
1447 if (fHistFMDSingle) fHistFMDSingle->Write();
1448 else Printf("Cannot save fHistFMDSingle");
1449 if (fHistFMDSum) fHistFMDSum->Write();
1450 else Printf("Cannot save fHistFMDSum");
1451 if (fSPDGFOEfficiency) fSPDGFOEfficiency->Write("fSPDGFOEfficiency");
1452 // else Printf("Cannot save fSPDGFOEfficiency");
1454 fTriggerClasses->Write("fTriggerClasses", TObject::kSingleKey);
1457 void AliTriggerAnalysis::PrintTriggerClasses() const
1459 // print trigger classes
1461 Printf("Trigger Classes:");
1463 Printf("Event count for trigger combinations:");
1466 singleTrigger.SetOwner();
1468 TIterator* iter = fTriggerClasses->MakeIterator();
1469 TObjString* obj = 0;
1470 while ((obj = dynamic_cast<TObjString*> (iter->Next())))
1472 TParameter<Long64_t>* param = static_cast<TParameter<Long64_t>*> (fTriggerClasses->GetValue(obj));
1474 Printf(" %s: %ld triggers", obj->String().Data(), (Long_t)param->GetVal());
1476 TObjArray* tokens = obj->String().Tokenize(" ");
1477 for (Int_t i=0; i<tokens->GetEntries(); i++)
1479 TParameter<Long64_t>* count = dynamic_cast<TParameter<Long64_t>*> (singleTrigger.GetValue(((TObjString*) tokens->At(i))->String().Data()));
1482 count = new TParameter<Long64_t>(((TObjString*) tokens->At(i))->String().Data(), 0);
1483 singleTrigger.Add(new TObjString(((TObjString*) tokens->At(i))->String().Data()), count);
1485 count->SetVal(count->GetVal() + param->GetVal());
1492 Printf("Event count for single trigger:");
1494 iter = singleTrigger.MakeIterator();
1495 while ((obj = dynamic_cast<TObjString*> (iter->Next())))
1497 TParameter<Long64_t>* param = static_cast<TParameter<Long64_t>*> (singleTrigger.GetValue(obj));
1499 Printf(" %s: %ld triggers", obj->String().Data(), (Long_t)param->GetVal());
1503 singleTrigger.DeleteAll();