1 /**************************************************************************
2 * Author: Panos Christakoglou. *
3 * Contributors are mentioned in the code where appropriate. *
5 * Permission to use, copy, modify and distribute this software and its *
6 * documentation strictly for non-commercial purposes is hereby granted *
7 * without fee, provided that the above copyright notice appears in all *
8 * copies and that both the copyright notice and this permission notice *
9 * appear in the supporting documentation. The authors make no claims *
10 * about the suitability of this software for any purpose. It is *
11 * provided "as is" without express or implied warranty. *
12 **************************************************************************/
14 /* $Id: AliProtonAnalysisBase.cxx 31056 2009-02-16 14:31:41Z pchrist $ */
16 //-----------------------------------------------------------------
17 // AliProtonAnalysisBase class
18 // This is the class to deal with the proton analysis
19 // Origin: Panos Christakoglou | Panos.Christakoglou@cern.ch
20 //-----------------------------------------------------------------
21 #include <Riostream.h>
28 #include <AliExternalTrackParam.h>
29 #include <AliESDEvent.h>
31 #include <AliVertexerTracks.h>
32 #include <AliESDpid.h>
33 #include <AliTPCPIDResponse.h>
37 #include "AliProtonAnalysisBase.h"
39 ClassImp(AliProtonAnalysisBase)
41 //____________________________________________________________________//
42 AliProtonAnalysisBase::AliProtonAnalysisBase() :
43 TObject(), fProtonAnalysisLevel("ESD"), fAnalysisMC(kFALSE),
44 fTriggerMode(kMB2), kUseOnlineTrigger(kFALSE), kUseOfflineTrigger(kFALSE),
46 fProtonAnalysisMode(kTPC), fProtonPIDMode(kBayesian),
47 fAnalysisEtaMode(kFALSE),
48 fVxMax(100.), fVyMax(100.), fVzMax(100.), fMinNumOfContributors(0),
49 fNBinsX(0), fMinX(0), fMaxX(0),
50 fNBinsY(0), fMinY(0), fMaxY(0),
51 fMinTPCClusters(0), fMinITSClusters(0),
52 fMaxChi2PerTPCCluster(0), fMaxChi2PerITSCluster(0),
53 fMaxCov11(0), fMaxCov22(0), fMaxCov33(0), fMaxCov44(0), fMaxCov55(0),
54 fMaxSigmaToVertex(0), fMaxSigmaToVertexTPC(0),
55 fMaxDCAXY(0), fMaxDCAXYTPC(0),
56 fMaxDCAZ(0), fMaxDCAZTPC(0),
57 fMaxDCA3D(0), fMaxDCA3DTPC(0),
58 fMaxConstrainChi2(0), fMinTPCdEdxPoints(0),
59 fMinTPCClustersFlag(kFALSE), fMinITSClustersFlag(kFALSE),
60 fMaxChi2PerTPCClusterFlag(kFALSE), fMaxChi2PerITSClusterFlag(kFALSE),
61 fMaxCov11Flag(kFALSE), fMaxCov22Flag(kFALSE),
62 fMaxCov33Flag(kFALSE), fMaxCov44Flag(kFALSE), fMaxCov55Flag(kFALSE),
63 fMaxSigmaToVertexFlag(kFALSE), fMaxSigmaToVertexTPCFlag(kFALSE),
64 fMaxDCAXYFlag(kFALSE), fMaxDCAXYTPCFlag(kFALSE),
65 fMaxDCAZFlag(kFALSE), fMaxDCAZTPCFlag(kFALSE),
66 fMaxDCA3DFlag(kFALSE), fMaxDCA3DTPCFlag(kFALSE),
67 fMaxConstrainChi2Flag(kFALSE),
68 fITSRefitFlag(kFALSE), fTPCRefitFlag(kFALSE),
69 fESDpidFlag(kFALSE), fTPCpidFlag(kFALSE), fTOFpidFlag(kFALSE),
70 fPointOnSPDLayersFlag(0), fPointOnSDDLayersFlag(0), fPointOnSSDLayersFlag(0),
71 fPointOnITSLayer1Flag(0), fPointOnITSLayer2Flag(0),
72 fPointOnITSLayer3Flag(0), fPointOnITSLayer4Flag(0),
73 fPointOnITSLayer5Flag(0), fPointOnITSLayer6Flag(0),
74 fMinTPCdEdxPointsFlag(kFALSE),
75 fFunctionProbabilityFlag(kFALSE),
76 fNSigma(0), fNRatio(0),
77 fElectronFunction(0), fMuonFunction(0),
78 fPionFunction(0), fKaonFunction(0), fProtonFunction(0),
79 fDebugMode(kFALSE), fListVertexQA(new TList()) {
81 for(Int_t i = 0; i < 5; i++) fPartFrac[i] = 0.0;
82 /*for(Int_t i = 0; i < 24; i++) {
86 fListVertexQA->SetName("fListVertexQA");
87 TH1F *gHistVx = new TH1F("gHistVx",
88 "Vx distribution;V_{x} [cm];Entries",
90 gHistVx->SetFillColor(kRed-2);
91 fListVertexQA->Add(gHistVx);
92 TH1F *gHistVxAccepted = new TH1F("gHistVxaccepted",
93 "Vx distribution;V_{x} [cm];Entries",
95 fListVertexQA->Add(gHistVxAccepted);
96 TH1F *gHistVy = new TH1F("gHistVy",
97 "Vy distribution;V_{y} [cm];Entries",
99 gHistVy->SetFillColor(kRed-2);
100 fListVertexQA->Add(gHistVy);
101 TH1F *gHistVyAccepted = new TH1F("gHistVyaccepted",
102 "Vy distribution;V_{y} [cm];Entries",
104 fListVertexQA->Add(gHistVyAccepted);
105 TH1F *gHistVz = new TH1F("gHistVz",
106 "Vz distribution;V_{z} [cm];Entries",
108 gHistVz->SetFillColor(kRed-2);
109 fListVertexQA->Add(gHistVz);
110 TH1F *gHistVzAccepted = new TH1F("gHistVzaccepted",
111 "Vz distribution;V_{z} [cm];Entries",
113 fListVertexQA->Add(gHistVzAccepted);
115 TH1F *gHistNumberOfContributors = new TH1F("gHistNumberOfContributors",
116 "Number of contributors;N_{contr.};Entries",
118 fListVertexQA->Add(gHistNumberOfContributors);
123 //____________________________________________________________________//
124 AliProtonAnalysisBase::~AliProtonAnalysisBase() {
126 if(fElectronFunction) delete fElectronFunction;
127 if(fMuonFunction) delete fMuonFunction;
128 if(fPionFunction) delete fPionFunction;
129 if(fKaonFunction) delete fKaonFunction;
130 if(fProtonFunction) delete fProtonFunction;
131 if(fListVertexQA) delete fListVertexQA;
134 //____________________________________________________________________//
135 Double_t AliProtonAnalysisBase::GetParticleFraction(Int_t i, Double_t p) {
136 //Return the a priori probs
138 if(fFunctionProbabilityFlag) {
139 if(i == 0) partFrac = fElectronFunction->Eval(p);
140 if(i == 1) partFrac = fMuonFunction->Eval(p);
141 if(i == 2) partFrac = fPionFunction->Eval(p);
142 if(i == 3) partFrac = fKaonFunction->Eval(p);
143 if(i == 4) partFrac = fProtonFunction->Eval(p);
145 else partFrac = fPartFrac[i];
150 //____________________________________________________________________//
151 Bool_t AliProtonAnalysisBase::IsInPhaseSpace(AliESDtrack* const track) {
152 // Checks if the track is outside the analyzed y-Pt phase space
153 Double_t gP = 0.0, gPt = 0.0, gPx = 0.0, gPy = 0.0, gPz = 0.0;
156 if((fProtonAnalysisMode == kTPC) || (fProtonAnalysisMode == kHybrid)) {
157 AliExternalTrackParam *tpcTrack = (AliExternalTrackParam *)track->GetTPCInnerParam();
159 gP = 0.0; gPt = 0.0; gPx = 0.0; gPy = 0.0; gPz = 0.0; eta = -10.0;
163 gPt = tpcTrack->Pt();
164 gPx = tpcTrack->Px();
165 gPy = tpcTrack->Py();
166 gPz = tpcTrack->Pz();
167 eta = tpcTrack->Eta();
169 }//standalone TPC or Hybrid TPC approaches
179 if((gPt < fMinY) || (gPt > fMaxY)) {
181 Printf("IsInPhaseSpace: Track rejected because it has a Pt value of %lf (accepted interval: %lf - %lf)",gPt,fMinY,fMaxY);
184 if((gP < fMinY) || (gP > fMaxY)) {
186 Printf("IsInPhaseSpace: Track rejected because it has a P value of %lf (accepted interval: %lf - %lf)",gP,fMinY,fMaxY);
189 if(fAnalysisEtaMode) {
190 if((eta < fMinX) || (eta > fMaxX)) {
192 Printf("IsInPhaseSpace: Track rejected because it has an eta value of %lf (accepted interval: %lf - %lf)",eta,fMinX,fMaxX);
197 if((Rapidity(gPx,gPy,gPz) < fMinX) || (Rapidity(gPx,gPy,gPz) > fMaxX)) {
199 Printf("IsInPhaseSpace: Track rejected because it has a y value of %lf (accepted interval: %lf - %lf)",Rapidity(gPx,gPy,gPz),fMinX,fMaxX);
207 //____________________________________________________________________//
208 Bool_t AliProtonAnalysisBase::IsAccepted(AliESDtrack* track) {
209 // Checks if the track is excluded from the cuts
211 Int_t nClustersITS = track->GetITSclusters(fIdxInt);
212 Int_t nClustersTPC = track->GetTPCclusters(fIdxInt);
214 Float_t chi2PerClusterITS = -1;
216 chi2PerClusterITS = track->GetITSchi2()/Float_t(nClustersITS);
217 Float_t chi2PerClusterTPC = -1;
219 chi2PerClusterTPC = track->GetTPCchi2()/Float_t(nClustersTPC);
222 track->GetExternalCovariance(extCov);
224 if(fPointOnSPDLayersFlag) {
225 if((!track->HasPointOnITSLayer(0))&&(!track->HasPointOnITSLayer(1))) {
227 Printf("IsAccepted: Track rejected because it doesn't have a point on either SPD layers");
231 if(fPointOnSDDLayersFlag) {
232 if((!track->HasPointOnITSLayer(2))&&(!track->HasPointOnITSLayer(3))) {
234 Printf("IsAccepted: Track rejected because it doesn't have a point on either SDD layers");
238 if(fPointOnSSDLayersFlag) {
239 if((!track->HasPointOnITSLayer(4))&&(!track->HasPointOnITSLayer(5))) {
241 Printf("IsAccepted: Track rejected because it doesn't have a point on either SSD layers");
245 if(fPointOnITSLayer1Flag) {
246 if(!track->HasPointOnITSLayer(0)) {
248 Printf("IsAccepted: Track rejected because it doesn't have a point on the 1st ITS layer");
252 if(fPointOnITSLayer2Flag) {
253 if(!track->HasPointOnITSLayer(1)) {
255 Printf("IsAccepted: Track rejected because it doesn't have a point on the 2nd ITS layer");
259 if(fPointOnITSLayer3Flag) {
260 if(!track->HasPointOnITSLayer(2)) {
262 Printf("IsAccepted: Track rejected because it doesn't have a point on the 3rd ITS layer");
266 if(fPointOnITSLayer4Flag) {
267 if(!track->HasPointOnITSLayer(3)) {
269 Printf("IsAccepted: Track rejected because it doesn't have a point on the 4th ITS layer");
273 if(fPointOnITSLayer5Flag) {
274 if(!track->HasPointOnITSLayer(4)) {
276 Printf("IsAccepted: Track rejected because it doesn't have a point on the 5th ITS layer");
280 if(fPointOnITSLayer6Flag) {
281 if(!track->HasPointOnITSLayer(5)) {
283 Printf("IsAccepted: Track rejected because it doesn't have a point on the 6th ITS layer");
287 if(fMinITSClustersFlag) {
288 if(nClustersITS < fMinITSClusters) {
290 Printf("IsAccepted: Track rejected because it has %d ITS points (min. requested: %d)",nClustersITS,fMinITSClusters);
294 if(fMaxChi2PerITSClusterFlag) {
295 if(chi2PerClusterITS > fMaxChi2PerITSCluster) {
297 Printf("IsAccepted: Track rejected because it has a chi2 per ITS cluster %lf (max. requested: %lf)",chi2PerClusterITS,fMaxChi2PerITSCluster);
301 if(fMinTPCClustersFlag) {
302 if(nClustersTPC < fMinTPCClusters) {
304 Printf("IsAccepted: Track rejected because it has %d TPC clusters (min. requested: %d)",nClustersTPC,fMinTPCClusters);
308 if(fMaxChi2PerTPCClusterFlag) {
309 if(chi2PerClusterTPC > fMaxChi2PerTPCCluster) {
311 Printf("IsAccepted: Track rejected because it has a chi2 per TPC cluster %lf (max. requested: %lf)",chi2PerClusterTPC,fMaxChi2PerTPCCluster);
316 if(extCov[0] > fMaxCov11) {
318 Printf("IsAccepted: Track rejected because it has a cov11 value of %lf (max. requested: %lf)",extCov[0],fMaxCov11);
323 if(extCov[2] > fMaxCov22) {
325 Printf("IsAccepted: Track rejected because it has a cov22 value of %lf (max. requested: %lf)",extCov[2],fMaxCov22);
330 if(extCov[5] > fMaxCov33) {
332 Printf("IsAccepted: Track rejected because it has a cov33 value of %lf (max. requested: %lf)",extCov[5],fMaxCov33);
337 if(extCov[9] > fMaxCov44) {
339 Printf("IsAccepted: Track rejected because it has a cov44 value of %lf (max. requested: %lf)",extCov[9],fMaxCov44);
344 if(extCov[14] > fMaxCov55) {
346 Printf("IsAccepted: Track rejected because it has a cov55 value of %lf (max. requested: %lf)",extCov[14],fMaxCov55);
350 if(fMinTPCdEdxPointsFlag) {
351 if(track->GetTPCsignalN() < fMinTPCdEdxPoints) {
353 Printf("IsAccepted: Track rejected because it has %d TPC points for the calculation of the energy loss (min. requested: %d)",track->GetTPCsignalN(),fMinTPCdEdxPoints);
358 if ((track->GetStatus() & AliESDtrack::kITSrefit) == 0) {
360 Printf("IsAccepted: Track rejected because it has no ITS refit flag");
365 if ((track->GetStatus() & AliESDtrack::kTPCrefit) == 0) {
367 Printf("IsAccepted: Track rejected because it has no TPC refit flag");
372 if ((track->GetStatus() & AliESDtrack::kESDpid) == 0) {
374 Printf("IsAccepted: Track rejected because it has no ESD pid flag");
379 if ((track->GetStatus() & AliESDtrack::kTPCpid) == 0) {
381 Printf("IsAccepted: Track rejected because it has no TPC pid flag");
386 if ((track->GetStatus() & AliESDtrack::kTOFpid) == 0) {
388 Printf("IsAccepted: Track rejected because it has no TOF pid flag");
396 //____________________________________________________________________//
397 Bool_t AliProtonAnalysisBase::IsPrimary(AliESDEvent *esd,
398 const AliESDVertex *vertex,
399 AliESDtrack* track) {
400 // Checks if the track is a primary-like candidate
401 Double_t gPt = 0.0, gPx = 0.0, gPy = 0.0, gPz = 0.0;
402 Double_t dca[2] = {0.0,0.0}, cov[3] = {0.0,0.0,0.0}; //The impact parameters and their covariance.
403 Double_t dca3D = 0.0;
405 if((fProtonAnalysisMode == kTPC)||(fProtonAnalysisMode == kHybrid)) {
406 AliExternalTrackParam *tpcTrack = (AliExternalTrackParam *)track->GetTPCInnerParam();
408 gPt = 0.0; gPx = 0.0; gPy = 0.0; gPz = 0.0;
409 dca[0] = -100.; dca[1] = -100.; dca3D = -100.;
410 cov[0] = -100.; cov[1] = -100.; cov[2] = -100.;
413 gPt = tpcTrack->Pt();
414 gPx = tpcTrack->Px();
415 gPy = tpcTrack->Py();
416 gPz = tpcTrack->Pz();
417 tpcTrack->PropagateToDCA(vertex,
418 esd->GetMagneticField(),
421 }//standalone TPC or hybrid TPC approaches
427 track->PropagateToDCA(vertex,
428 esd->GetMagneticField(),
431 dca3D = TMath::Sqrt(TMath::Power(dca[0],2) +
432 TMath::Power(dca[1],2));
434 if(fMaxSigmaToVertexFlag) {
435 if(GetSigmaToVertex(track) > fMaxSigmaToVertex) {
437 Printf("IsPrimary: Track rejected because it has a %lf sigmas to vertex (max. requested: %lf)",GetSigmaToVertex(track),fMaxSigmaToVertex);
441 if(fMaxSigmaToVertexTPCFlag) {
442 if(GetSigmaToVertex(track) > fMaxSigmaToVertexTPC) {
444 Printf("IsPrimary: Track rejected because it has a %lf sigmas to vertex TPC (max. requested: %lf)",GetSigmaToVertex(track),fMaxSigmaToVertexTPC);
449 if(TMath::Abs(dca[0]) > fMaxDCAXY) {
451 Printf("IsPrimary: Track rejected because it has a value of dca(xy) of %lf (max. requested: %lf)",TMath::Abs(dca[0]),fMaxDCAXY);
455 if(fMaxDCAXYTPCFlag) {
456 if(TMath::Abs(dca[0]) > fMaxDCAXYTPC) {
458 Printf("IsPrimary: Track rejected because it has a value of dca(xy) (TPC) of %lf (max. requested: %lf)",TMath::Abs(dca[0]),fMaxDCAXYTPC);
463 if(TMath::Abs(dca[1]) > fMaxDCAZ) {
465 Printf("IsPrimary: Track rejected because it has a value of dca(z) of %lf (max. requested: %lf)",TMath::Abs(dca[1]),fMaxDCAZ);
469 if(fMaxDCAZTPCFlag) {
470 if(TMath::Abs(dca[1]) > fMaxDCAZTPC) {
472 Printf("IsPrimary: Track rejected because it has a value of dca(z) (TPC) of %lf (max. requested: %lf)",TMath::Abs(dca[1]),fMaxDCAZTPC);
477 if(TMath::Abs(dca3D) > fMaxDCA3D) {
479 Printf("IsPrimary: Track rejected because it has a value of dca(3D) of %lf (max. requested: %lf)",TMath::Abs(dca3D),fMaxDCA3D);
483 if(fMaxDCA3DTPCFlag) {
484 if(TMath::Abs(dca3D) > fMaxDCA3DTPC) {
486 Printf("IsPrimary: Track rejected because it has a value of dca(3D) (TPC) of %lf (max. requested: %lf)",TMath::Abs(dca3D),fMaxDCA3DTPC);
490 if(fMaxConstrainChi2Flag) {
491 if(track->GetConstrainedChi2() > 0)
492 if(TMath::Log(track->GetConstrainedChi2()) > fMaxConstrainChi2) {
494 Printf("IsPrimary: Track rejected because it has a value of the constrained chi2 to the vertex of %lf (max. requested: %lf)",TMath::Log(track->GetConstrainedChi2()),fMaxConstrainChi2);
502 //____________________________________________________________________//
503 Float_t AliProtonAnalysisBase::GetSigmaToVertex(AliESDtrack* esdTrack) const {
504 // Calculates the number of sigma to the vertex.
508 if((fProtonAnalysisMode == kTPC)&&(fProtonAnalysisMode != kHybrid))
509 esdTrack->GetImpactParametersTPC(b,bCov);
511 esdTrack->GetImpactParameters(b,bCov);
513 if (bCov[0]<=0 || bCov[2]<=0) {
514 //AliDebug(1, "Estimated b resolution lower or equal zero!");
515 bCov[0]=0; bCov[2]=0;
517 bRes[0] = TMath::Sqrt(bCov[0]);
518 bRes[1] = TMath::Sqrt(bCov[2]);
520 if (bRes[0] == 0 || bRes[1] ==0) return -1;
522 Float_t d = TMath::Sqrt(TMath::Power(b[0]/bRes[0],2) + TMath::Power(b[1]/bRes[1],2));
524 if (TMath::Exp(-d * d / 2) < 1e-10) return 1000;
526 d = TMath::ErfInverse(1 - TMath::Exp(-d * d / 2)) * TMath::Sqrt(2);
531 //____________________________________________________________________//
532 Double_t AliProtonAnalysisBase::Rapidity(Double_t gPx,
534 Double_t gPz) const {
535 //returns the rapidity of the proton - to be removed
536 Double_t fMass = 9.38270000000000048e-01;
538 Double_t gP = TMath::Sqrt(TMath::Power(gPx,2) +
539 TMath::Power(gPy,2) +
540 TMath::Power(gPz,2));
541 Double_t energy = TMath::Sqrt(gP*gP + fMass*fMass);
544 y = 0.5*TMath::Log((energy + gPz)/(energy - gPz));
549 //________________________________________________________________________
550 const AliESDVertex* AliProtonAnalysisBase::GetVertex(AliESDEvent* esd,
555 // Get the vertex from the ESD and returns it if the vertex is valid
556 // Second argument decides which vertex is used (this selects
557 // also the quality criteria that are applied)
558 const AliESDVertex* vertex = 0;
560 vertex = esd->GetPrimaryVertexSPD();
561 else if(mode == kTPC){
562 Double_t kBz = esd->GetMagneticField();
563 AliVertexerTracks vertexer(kBz);
564 vertexer.SetTPCMode();
565 AliESDVertex *vTPC = vertexer.FindPrimaryVertex(esd);
566 esd->SetPrimaryVertexTPC(vTPC);
567 for (Int_t i=0; i<esd->GetNumberOfTracks(); i++) {
568 AliESDtrack *t = esd->GetTrack(i);
569 t->RelateToVertexTPC(vTPC, kBz, kVeryBig);
572 vertex = esd->GetPrimaryVertexTPC();
574 else if(mode == kGlobal)
575 vertex = esd->GetPrimaryVertex();
577 Printf("GetVertex: ERROR: Invalid second argument %d", mode);
581 Printf("GetVertex: Event rejected because there is no valid vertex object");
585 // check Ncontributors
586 if(vertex->GetNContributors() <= 0) {
588 Printf("GetVertex: Event rejected because the number of contributors for the vertex determination is <= 0");
593 Double_t zRes = vertex->GetZRes();
596 Printf("GetVertex: Event rejected because the value of the vertex resolution in z is 0");
599 ((TH1F *)(fListVertexQA->At(0)))->Fill(vertex->GetXv());
600 ((TH1F *)(fListVertexQA->At(2)))->Fill(vertex->GetYv());
601 ((TH1F *)(fListVertexQA->At(4)))->Fill(vertex->GetZv());
604 if(TMath::Abs(vertex->GetXv()) > gVxMax) {
606 Printf("GetVertex: Event rejected because it has a Vx value of %lf cm (accepted interval: -%lf - %lf)",TMath::Abs(vertex->GetXv()),gVxMax,gVxMax);
609 if(TMath::Abs(vertex->GetYv()) > gVyMax) {
611 Printf("GetVertex: Event rejected because it has a Vy value of %lf cm (accepted interval: -%lf - %lf)",TMath::Abs(vertex->GetYv()),gVyMax,gVyMax);
614 if(TMath::Abs(vertex->GetZv()) > gVzMax) {
616 Printf("GetVertex: Event rejected because it has a Vz value of %lf cm (accepted interval: -%lf - %lf)",TMath::Abs(vertex->GetZv()),gVzMax,gVzMax);
619 ((TH1F *)(fListVertexQA->At(1)))->Fill(vertex->GetXv());
620 ((TH1F *)(fListVertexQA->At(3)))->Fill(vertex->GetYv());
621 ((TH1F *)(fListVertexQA->At(5)))->Fill(vertex->GetZv());
622 ((TH1F *)(fListVertexQA->At(6)))->Fill(vertex->GetNContributors());
624 //check number of contributors
625 if(fMinNumOfContributors > 0) {
626 if(fMinNumOfContributors > vertex->GetNContributors()) {
628 Printf("GetVertex: Event rejected because it has %d number of contributors (requested minimum: %d)",vertex->GetNContributors(),fMinNumOfContributors);
637 //________________________________________________________________________
638 Bool_t AliProtonAnalysisBase::IsEventTriggered(const AliESDEvent *esd,
639 TriggerMode trigger) {
640 // check if the event was triggered
641 ULong64_t triggerMask = esd->GetTriggerMask();
642 TString firedTriggerClass = esd->GetFiredTriggerClasses();
645 // definitions from p-p.cfg
646 ULong64_t spdFO = (1 << 14);
647 ULong64_t v0left = (1 << 11);
648 ULong64_t v0right = (1 << 12);
652 if (triggerMask & spdFO || ((triggerMask & v0left) || (triggerMask & v0right)))
657 if (triggerMask & spdFO && ((triggerMask & v0left) || (triggerMask & v0right)))
662 if (triggerMask & spdFO)
669 if(kUseOnlineTrigger) {
670 if(firedTriggerClass.Contains("CINT1B-ABCE-NOPF-ALL"))
673 else if(!kUseOnlineTrigger)
680 //________________________________________________________________________
681 TCanvas *AliProtonAnalysisBase::GetListOfCuts() {
682 // return the list of cuts and their cut values for reference
689 TCanvas *c = new TCanvas("cListOfCuts","List of cuts",0,0,900,600);
690 c->SetFillColor(10); c->SetHighLightColor(41);
693 c->cd(1)->SetFillColor(10);
694 l.DrawLatex(0.3,0.9,"Analysis details: List of cuts\n\n");
696 listOfCuts = "Analysis level: "; listOfCuts += fProtonAnalysisLevel;
697 l.DrawLatex(0.1,0.82,listOfCuts.Data());
698 listOfCuts = "Analysis mode: ";
699 if(fProtonAnalysisMode == kTPC) listOfCuts += "TPC standalone";
700 if(fProtonAnalysisMode == kHybrid) listOfCuts += "Hybrid TPC";
701 if(fProtonAnalysisMode == kGlobal) listOfCuts += "Global tracking";
702 l.DrawLatex(0.1,0.74,listOfCuts.Data());
703 listOfCuts = "Trigger mode: ";
704 if(fTriggerMode == kMB1) listOfCuts += "Minimum bias 1";
705 if(fTriggerMode == kMB2) listOfCuts += "Minimum bias 2";
706 if(fTriggerMode == kSPDFASTOR) listOfCuts += "FastOR (SPD)";
707 l.DrawLatex(0.1,0.66,listOfCuts.Data());
708 listOfCuts = "PID mode: ";
709 if(fProtonPIDMode == kBayesian) listOfCuts += "Bayesian PID";
710 if(fProtonPIDMode == kRatio) {
711 listOfCuts += "Z = ln((dE/dx)_{exp.}/(dE/dx)_{theor.}) > ";
712 listOfCuts += fNRatio;
714 if(fProtonPIDMode == kSigma) {
715 listOfCuts += "N_{#sigma} area: "; listOfCuts += fNSigma;
716 listOfCuts += " #sigma";
718 //if(fProtonPIDMode == kSigma2) {
719 //listOfCuts += "N_{#sigma}(2) area: "; listOfCuts += fNSigma;
720 //listOfCuts += " #sigma";
722 l.DrawLatex(0.1,0.58,listOfCuts.Data());
723 listOfCuts = "Accepted vertex diamond: ";
724 l.DrawLatex(0.1,0.52,listOfCuts.Data());
725 listOfCuts = "|V_{x}| < "; listOfCuts += fVxMax; listOfCuts += " [cm]";
726 l.DrawLatex(0.6,0.52,listOfCuts.Data());
727 listOfCuts = "|V_{y}| < "; listOfCuts += fVyMax; listOfCuts += " [cm]";
728 l.DrawLatex(0.6,0.45,listOfCuts.Data());
729 listOfCuts = "|V_{z}| < "; listOfCuts += fVzMax; listOfCuts += " [cm]";
730 l.DrawLatex(0.6,0.38,listOfCuts.Data());
731 listOfCuts = "N_{contributors} > "; listOfCuts += fMinNumOfContributors;
732 l.DrawLatex(0.6,0.31,listOfCuts.Data());
733 listOfCuts = "Phase space: ";
734 l.DrawLatex(0.1,0.2,listOfCuts.Data());
735 if(fAnalysisEtaMode) listOfCuts = "|#eta| < ";
736 else listOfCuts = "|y| < ";
737 listOfCuts += TMath::Abs(fMinX);
738 l.DrawLatex(0.35,0.2,listOfCuts.Data());
739 listOfCuts = "N_{bins} = ";
740 listOfCuts += fNBinsX; listOfCuts += " (binning: ";
741 listOfCuts += (fMaxX-fMinX)/fNBinsX; listOfCuts += ")";
742 l.DrawLatex(0.35,0.15,listOfCuts.Data());
743 listOfCuts = ""; listOfCuts += fMinY; listOfCuts += " < P_{T} < ";
744 listOfCuts += fMaxY; listOfCuts += "GeV/c";
745 l.DrawLatex(0.35,0.1,listOfCuts.Data());
746 listOfCuts = "N_{bins} = ";
747 listOfCuts += fNBinsY; listOfCuts += " (binning: ";
748 listOfCuts += (fMaxY-fMinY)/fNBinsY; listOfCuts += ")";
749 l.DrawLatex(0.35,0.05,listOfCuts.Data());
751 c->cd(2)->SetFillColor(2);
752 l.DrawLatex(0.3,0.95,"ITS related cuts");
753 listOfCuts = "Request a cluster on either of the SPD layers: ";
754 listOfCuts += fPointOnSPDLayersFlag;
755 l.DrawLatex(0.1,0.9,listOfCuts.Data());
756 listOfCuts = "Request a cluster on either of the SDD layers: ";
757 listOfCuts += fPointOnSDDLayersFlag;
758 l.DrawLatex(0.1,0.83,listOfCuts.Data());
759 listOfCuts = "Request a cluster on either of the SSD layers: ";
760 listOfCuts += fPointOnSSDLayersFlag;
761 l.DrawLatex(0.1,0.76,listOfCuts.Data());
763 listOfCuts = "Request a cluster on SPD1: ";
764 listOfCuts += fPointOnITSLayer1Flag;
765 l.DrawLatex(0.1,0.69,listOfCuts.Data());
766 listOfCuts = "Request a cluster on SPD2: ";
767 listOfCuts += fPointOnITSLayer2Flag;
768 l.DrawLatex(0.1,0.62,listOfCuts.Data());
769 listOfCuts = "Request a cluster on SDD1: ";
770 listOfCuts += fPointOnITSLayer3Flag;
771 l.DrawLatex(0.1,0.55,listOfCuts.Data());
772 listOfCuts = "Request a cluster on SDD2: ";
773 listOfCuts += fPointOnITSLayer4Flag;
774 l.DrawLatex(0.1,0.48,listOfCuts.Data());
775 listOfCuts = "Request a cluster on SSD1: ";
776 listOfCuts += fPointOnITSLayer5Flag;
777 l.DrawLatex(0.1,0.41,listOfCuts.Data());
778 listOfCuts = "Request a cluster on SSD2: ";
779 listOfCuts += fPointOnITSLayer6Flag;
780 l.DrawLatex(0.1,0.34,listOfCuts.Data());
781 listOfCuts = "Minimum number of ITS clusters: ";
782 if(fMinITSClustersFlag) listOfCuts += fMinITSClusters;
783 else listOfCuts += "Not used";
784 l.DrawLatex(0.1,0.27,listOfCuts.Data());
785 listOfCuts = "Maximum #chi^{2} per ITS cluster: ";
786 if(fMaxChi2PerITSClusterFlag) listOfCuts += fMaxChi2PerITSCluster;
787 else listOfCuts += "Not used";
788 l.DrawLatex(0.1,0.2,listOfCuts.Data());
790 c->cd(3)->SetFillColor(3);
791 l.DrawLatex(0.3,0.9,"TPC related cuts");
792 listOfCuts = "Minimum number of TPC clusters: ";
793 if(fMinTPCClustersFlag) listOfCuts += fMinTPCClusters;
794 else listOfCuts += "Not used";
795 l.DrawLatex(0.1,0.7,listOfCuts.Data());
796 listOfCuts = "Maximum #chi^{2} per TPC cluster: ";
797 if(fMaxChi2PerTPCClusterFlag) listOfCuts += fMaxChi2PerTPCCluster;
798 else listOfCuts += "Not used";
799 l.DrawLatex(0.1,0.5,listOfCuts.Data());
800 listOfCuts = "Minimum number of TPC points for the dE/dx: ";
801 if(fMinTPCdEdxPointsFlag) listOfCuts += fMinTPCdEdxPoints;
802 else listOfCuts += "Not used";
803 l.DrawLatex(0.1,0.3,listOfCuts.Data());
805 c->cd(4)->SetFillColor(4);
806 l.DrawLatex(0.3,0.9,"Tracking related cuts");
807 listOfCuts = "Maximum cov11: ";
808 if(fMaxCov11Flag) listOfCuts += fMaxCov11;
809 else listOfCuts += "Not used";
810 l.DrawLatex(0.1,0.75,listOfCuts.Data());
811 listOfCuts = "Maximum cov22: ";
812 if(fMaxCov22Flag) listOfCuts += fMaxCov22;
813 else listOfCuts += "Not used";
814 l.DrawLatex(0.1,0.6,listOfCuts.Data());
815 listOfCuts = "Maximum cov33: ";
816 if(fMaxCov33Flag) listOfCuts += fMaxCov33;
817 else listOfCuts += "Not used";
818 l.DrawLatex(0.1,0.45,listOfCuts.Data());
819 listOfCuts = "Maximum cov44: ";
820 if(fMaxCov44Flag) listOfCuts += fMaxCov44;
821 else listOfCuts += "Not used";
822 l.DrawLatex(0.1,0.3,listOfCuts.Data());
823 listOfCuts = "Maximum cov55: ";
824 if(fMaxCov55Flag) listOfCuts += fMaxCov55;
825 else listOfCuts += "Not used";
826 l.DrawLatex(0.1,0.15,listOfCuts.Data());
828 c->cd(5)->SetFillColor(5);
829 l.DrawLatex(0.3,0.9,"DCA related cuts");
830 listOfCuts = "Maximum sigma to vertex: ";
831 if(fMaxSigmaToVertexFlag) listOfCuts += fMaxSigmaToVertex;
832 else listOfCuts += "Not used";
833 l.DrawLatex(0.1,0.8,listOfCuts.Data());
834 listOfCuts = "Maximum sigma to vertex (TPC): ";
835 if(fMaxSigmaToVertexTPCFlag) listOfCuts += fMaxSigmaToVertexTPC;
836 else listOfCuts += "Not used";
837 l.DrawLatex(0.1,0.72,listOfCuts.Data());
838 listOfCuts = "Maximum DCA in xy: ";
839 if(fMaxDCAXYFlag) listOfCuts += fMaxDCAXY;
840 else listOfCuts += "Not used";
841 l.DrawLatex(0.1,0.64,listOfCuts.Data());
842 listOfCuts = "Maximum DCA in z: ";
843 if(fMaxDCAZFlag) listOfCuts += fMaxDCAZ;
844 else listOfCuts += "Not used";
845 l.DrawLatex(0.1,0.56,listOfCuts.Data());
846 listOfCuts = "Maximum DCA in 3D: ";
847 if(fMaxDCA3DFlag) listOfCuts += fMaxDCA3D;
848 else listOfCuts += "Not used";
849 l.DrawLatex(0.1,0.48,listOfCuts.Data());
850 listOfCuts = "Maximum DCA in xy (TPC): ";
851 if(fMaxDCAXYFlag) listOfCuts += fMaxDCAXYTPC;
852 else listOfCuts += "Not used";
853 l.DrawLatex(0.1,0.4,listOfCuts.Data());
854 listOfCuts = "Maximum DCA in z (TPC): ";
855 if(fMaxDCAZFlag) listOfCuts += fMaxDCAZTPC;
856 else listOfCuts += "Not used";
857 l.DrawLatex(0.1,0.32,listOfCuts.Data());
858 listOfCuts = "Maximum DCA in 3D (TPC): ";
859 if(fMaxDCA3DFlag) listOfCuts += fMaxDCA3DTPC;
860 else listOfCuts += "Not used";
861 l.DrawLatex(0.1,0.24,listOfCuts.Data());
862 listOfCuts = "Maximum constrained #chi^{2} (vertex): ";
863 if(fMaxConstrainChi2Flag) listOfCuts += fMaxConstrainChi2;
864 else listOfCuts += "Not used";
865 l.DrawLatex(0.1,0.16,listOfCuts.Data());
867 c->cd(6)->SetFillColor(6);
868 l.DrawLatex(0.3,0.9,"Tracking bits related cuts");
869 listOfCuts = "Request the ITS refit bit: "; listOfCuts += fITSRefitFlag;
870 l.DrawLatex(0.1,0.7,listOfCuts.Data());
871 listOfCuts = "Request the TPC refit bit: "; listOfCuts += fTPCRefitFlag;
872 l.DrawLatex(0.1,0.5,listOfCuts.Data());
873 listOfCuts = "Request the TPC pid bit: "; listOfCuts += fTPCpidFlag;
874 l.DrawLatex(0.1,0.3,listOfCuts.Data());
875 listOfCuts = "Request the ESD pid bit: "; listOfCuts += fESDpidFlag;
876 l.DrawLatex(0.1,0.1,listOfCuts.Data());
881 //________________________________________________________________________
882 Bool_t AliProtonAnalysisBase::IsProton(AliESDtrack *track) {
883 //Function that checks if a track is a proton
884 Double_t probability[5];
885 Double_t gPt = 0.0, gP = 0.0, gEta = 0.0;
886 Long64_t fParticleType = 0;
888 //Bayesian approach for the PID
889 if(fProtonPIDMode == kBayesian) {
890 if((fProtonAnalysisMode == kTPC)||(fProtonAnalysisMode == kHybrid)) {
891 AliExternalTrackParam *tpcTrack = (AliExternalTrackParam *)track->GetTPCInnerParam();
893 gPt = tpcTrack->Pt();
895 track->GetTPCpid(probability);
897 }//TPC standalone or Hybrid TPC
898 else if(fProtonAnalysisMode == kGlobal) {
901 track->GetESDpid(probability);
905 for(Int_t i = 0; i < AliPID::kSPECIES; i++)
906 rcc += probability[i]*GetParticleFraction(i,gP);
909 for(Int_t i = 0; i < AliPID::kSPECIES; i++)
910 w[i] = probability[i]*GetParticleFraction(i,gP)/rcc;
911 fParticleType = TMath::LocMax(AliPID::kSPECIES,w);
913 if(fParticleType == 4)
916 //Ratio of the measured over the theoretical dE/dx a la STAR
917 else if(fProtonPIDMode == kRatio) {
918 AliExternalTrackParam *tpcTrack = (AliExternalTrackParam *)track->GetTPCInnerParam();
920 gPt = tpcTrack->Pt();
922 gEta = tpcTrack->Eta();
924 Double_t fAlephParameters[5];
926 fAlephParameters[0] = 2.15898e+00/50.;
927 fAlephParameters[1] = 1.75295e+01;
928 fAlephParameters[2] = 3.40030e-09;
929 fAlephParameters[3] = 1.96178e+00;
930 fAlephParameters[4] = 3.91720e+00;
933 fAlephParameters[0] = 0.0283086;
934 fAlephParameters[1] = 2.63394e+01;
935 fAlephParameters[2] = 5.04114e-11;
936 fAlephParameters[3] = 2.12543e+00;
937 fAlephParameters[4] = 4.88663e+00;
940 AliESDpid *fESDpid = new AliESDpid();
941 AliTPCPIDResponse tpcResponse = fESDpid->GetTPCResponse();
942 tpcResponse.SetBetheBlochParameters(fAlephParameters[0],fAlephParameters[1],fAlephParameters[2],fAlephParameters[3],fAlephParameters[4]);
943 Double_t normalizeddEdx = TMath::Log(track->GetTPCsignal()/tpcResponse.GetExpectedSignal(gP,AliPID::kProton));
945 if(normalizeddEdx >= fNRatio)
948 //Definition of an N-sigma area around the dE/dx vs P band
949 else if(fProtonPIDMode == kSigma) {
950 Double_t fAlephParameters[5];
952 fAlephParameters[0] = 2.15898e+00/50.;
953 fAlephParameters[1] = 1.75295e+01;
954 fAlephParameters[2] = 3.40030e-09;
955 fAlephParameters[3] = 1.96178e+00;
956 fAlephParameters[4] = 3.91720e+00;
959 fAlephParameters[0] = 0.0283086;
960 fAlephParameters[1] = 2.63394e+01;
961 fAlephParameters[2] = 5.04114e-11;
962 fAlephParameters[3] = 2.12543e+00;
963 fAlephParameters[4] = 4.88663e+00;
966 Double_t nsigma = 100.0;
967 AliESDpid *fESDpid = new AliESDpid();
968 fESDpid->GetTPCResponse().SetBetheBlochParameters(fAlephParameters[0],fAlephParameters[1],fAlephParameters[2],fAlephParameters[3],fAlephParameters[4]);
970 AliExternalTrackParam *tpcTrack = (AliExternalTrackParam *)track->GetTPCInnerParam();
972 nsigma = TMath::Abs(fESDpid->NumberOfSigmasTPC(track,AliPID::kProton));
974 if(nsigma <= fNSigma)
977 //Another definition of an N-sigma area around the dE/dx vs P band
978 /*else if(fProtonPIDMode == kSigma2) {
979 AliExternalTrackParam *tpcTrack = (AliExternalTrackParam *)track->GetTPCInnerParam();
981 gPt = tpcTrack->Pt();
983 gEta = tpcTrack->Eta();
985 Double_t fAlephParameters[5];
987 fAlephParameters[0] = 2.15898e+00/50.;
988 fAlephParameters[1] = 1.75295e+01;
989 fAlephParameters[2] = 3.40030e-09;
990 fAlephParameters[3] = 1.96178e+00;
991 fAlephParameters[4] = 3.91720e+00;
994 fAlephParameters[0] = 0.0283086;
995 fAlephParameters[1] = 2.63394e+01;
996 fAlephParameters[2] = 5.04114e-11;
997 fAlephParameters[3] = 2.12543e+00;
998 fAlephParameters[4] = 4.88663e+00;
1001 AliESDpid *fESDpid = new AliESDpid();
1002 AliTPCPIDResponse tpcResponse = fESDpid->GetTPCResponse();
1003 tpcResponse.SetBetheBlochParameters(fAlephParameters[0],fAlephParameters[1],fAlephParameters[2],fAlephParameters[3],fAlephParameters[4]);
1004 Double_t normalizeddEdx = TMath::Log(track->GetTPCsignal()/tpcResponse.GetExpectedSignal(gP,AliPID::kProton));
1006 if(normalizeddEdx >= -0.15)