1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
16 // Class AliHFEtaggedTrackAnalysis
17 // Analyses tracks with an apriori PID information (i.e. using the daugther
18 // tracks from well-identified decays of neutral charged particles). Tracks
19 // are processed in the Process function, where given tracks are filtered
20 // via the track cuts and used for PID later. The plugin fills Correction
21 // Framework containers and additional PID QA containers
24 // Markus Fasel <M.Fasel@gsi.de>
26 #include "AliCFCutBase.h"
27 #include "AliCFContainer.h"
28 #include "AliCFManager.h"
29 #include "AliESDtrack.h"
32 #include "AliPIDResponse.h"
33 #include "AliExternalTrackParam.h"
35 #include "AliHFEcollection.h"
36 #include "AliHFEcontainer.h"
37 #include "AliHFEcuts.h"
38 #include "AliHFEpid.h"
39 #include "AliHFEpidTPC.h"
40 #include "AliHFEpidQAmanager.h"
41 #include "AliHFEtaggedTrackAnalysis.h"
42 #include "AliHFEvarManager.h"
44 ClassImp(AliHFEtaggedTrackAnalysis)
45 //____________________________________________________________
46 AliHFEtaggedTrackAnalysis::AliHFEtaggedTrackAnalysis():
58 , fVariablesTRD(kFALSE)
66 //____________________________________________________________
67 AliHFEtaggedTrackAnalysis::AliHFEtaggedTrackAnalysis(const char *name):
79 , fVariablesTRD(kFALSE)
83 // Default constructor
85 fVarManager = new AliHFEvarManager("taggedTrackVarManager");
86 //fVarManager->AddVariable("pt");
87 //fVarManager->AddVariable("eta");
88 //fVarManager->AddVariable("phi");
89 //fVarManager->AddVariable("charge");
90 //fVarManager->AddVariable("species");
91 fPIDqa = new AliHFEpidQAmanager;
92 fCFM = new AliCFManager;
93 SetBit(kIsOwner, kTRUE);
96 //____________________________________________________________
97 AliHFEtaggedTrackAnalysis::AliHFEtaggedTrackAnalysis(const AliHFEtaggedTrackAnalysis &ref):
99 , fVarManager(ref.fVarManager)
105 , fQAhistos(ref.fQAhistos)
106 , fCentralityF(ref.fCentralityF)
108 , fMagneticField(ref.fMagneticField)
109 , fVariablesTRD(ref.fVariablesTRD)
110 , fIsPbPb(ref.fIsPbPb)
118 SetBit(kIsOwner, kFALSE);
121 //____________________________________________________________
122 AliHFEtaggedTrackAnalysis &AliHFEtaggedTrackAnalysis::operator=(const AliHFEtaggedTrackAnalysis &ref){
124 // Assignment operator
126 TNamed::operator=(ref);
128 fVarManager = ref.fVarManager;
133 fQAhistos = ref.fQAhistos;
134 fCentralityF = ref.fCentralityF;
136 fMagneticField = ref.fMagneticField;
137 fVariablesTRD = ref.fVariablesTRD;
138 fIsPbPb = ref.fIsPbPb;
140 if(ref.fContainer) InitContainer();
142 SetBit(kIsOwner, kFALSE);
143 SetBit(kIsOwnerCuts, kFALSE);
148 //____________________________________________________________
149 AliHFEtaggedTrackAnalysis::~AliHFEtaggedTrackAnalysis(){
153 if(TestBit(kIsOwner)){
154 if(fVarManager) delete fVarManager;
155 if(fPIDqa) delete fPIDqa;
157 if(TestBit(kIsOwnerCuts)) delete fCuts;
158 if(fContainer) delete fContainer;
161 //____________________________________________________________
162 void AliHFEtaggedTrackAnalysis::InitContainer(){
164 // Initialize output container
166 if(fContainer) return;
169 AliError("No PID set - defining container without PID steps");
171 nStepPID = fPID->GetNumberOfPIDdetectors();
173 fContainer = new AliHFEcontainer("containerV0");
174 fVarManager->DefineVariables(fContainer);
175 fContainer->CreateContainer("taggedTrackContainerReco", "Container for Tagged Tracks", AliHFEcuts::kNcutStepsRecTrack + nStepPID);
177 // Set the step titles
178 for(Int_t istep = 0; istep < AliHFEcuts::kNcutStepsRecTrack; istep++)
179 fContainer->SetStepTitle("taggedTrackContainerReco", AliHFEcuts::RecoCutName(istep), istep);
180 for(Int_t ipid = 0; ipid < nStepPID; ipid++){
181 fContainer->SetStepTitle("taggedTrackContainerReco", fPID->SortedDetectorName(ipid), ipid + AliHFEcuts::kNcutStepsRecTrack);
183 fCFM->SetParticleContainer(fContainer->GetCFContainer("taggedTrackContainerReco"));
185 // temporarily special QA
186 fQAhistos = new AliHFEcollection("taggedTrackQA", "Special QA for the TaggedTrackAnalysis");
187 fQAhistos->CreateTH2F("TPCclusters2_1", "TPCclusterInfo for findable clusters for 2 neighbors", 30, 0.1, 10., 162, 0., 161.);
188 fQAhistos->CreateTH2F("TPCclusters2_0", "TPCclusterInfo for the ratio for 2 neighbors", 30, 0.1, 10., 110, 0., 1.1);
189 fQAhistos->CreateTH2F("TPCncls", "TPC number of clusters", 30, 0.1, 10., 162, 0., 161.);
190 fQAhistos->CreateTH2F("TPCclr", "TPC cluster ratio", 30, 0.1, 10., 110, 0., 1.1);
191 fQAhistos->BinLogAxis("TPCclusters2_1", 0); // pt axis in logarithmic binning
192 fQAhistos->BinLogAxis("TPCclusters2_0", 0); // pt axis in logarithmic binning
193 fQAhistos->BinLogAxis("TPCncls", 0); // pt axis in logarithmic binning
194 fQAhistos->BinLogAxis("TPCclr", 0); // pt axis in logarithmic binning
197 //____________________________________________________________
198 void AliHFEtaggedTrackAnalysis::ProcessTrack(AliVTrack *track, Int_t abinitioPID){
200 // Filter tracks tagged by V0 PID class
203 fVarManager->NewTrack(track, NULL, fCentralityF, abinitioPID, kTRUE);
209 AliESDtrack *esdtrackc = dynamic_cast<AliESDtrack *>(track);
212 const AliExternalTrackParam *trueparam = NULL;
213 if(esdtrackc->GetOuterParam()) {
214 trueparam = esdtrackc->GetOuterParam();
215 fVarManager->NewTrack((AliVParticle *)trueparam, NULL, fCentralityF, abinitioPID, kTRUE);
222 // Try a loose cut to reject pion contamination
224 if(abinitioPID == AliPID::kElectron){
225 AliHFEpidTPC *pidTPC = (AliHFEpidTPC *) fPID->GetDetPID(AliHFEpid::kTPCpid);
227 Double_t numberOfSigmaTPC = pidTPC->GetPIDResponse()->NumberOfSigmasTPC(track,AliPID::kElectron);
228 if(numberOfSigmaTPC < -5) return;
232 // temporarily monitoring of the number of TPC clusters
233 AliESDtrack *esdtrack = dynamic_cast<AliESDtrack *>(track);
234 if(esdtrack && abinitioPID == AliPID::kElectron){
235 if((esdtrack->GetITSClusterMap() & (BIT(0) | BIT(1))) && (TMath::Abs(esdtrack->Eta()) < 0.8)){ // Only select quasi-primary tracks
236 fQAhistos->Fill("TPCclusters2_1", track->Pt(), esdtrack->GetTPCClusterInfo(2,1));
237 fQAhistos->Fill("TPCclusters2_0", track->Pt(), esdtrack->GetTPCNclsF() > 0 ? esdtrack->GetTPCClusterInfo(2,1)/esdtrack->GetTPCNclsF() : 0.);
238 fQAhistos->Fill("TPCncls", track->Pt(), esdtrack->GetTPCNcls());
239 fQAhistos->Fill("TPCclr", track->Pt(), esdtrack->GetTPCNclsF() > 0 ? static_cast<Double_t>(esdtrack->GetTPCNcls())/static_cast<Double_t>(esdtrack->GetTPCNclsF()) : 0.);
243 Int_t offset = AliHFEcuts::kStepRecKineITSTPC;
244 fVarManager->FillContainer(fCFM->GetParticleContainer(), 0); // Fill Container without filtering
246 Bool_t survived = kTRUE;
247 for(Int_t icut = AliHFEcuts::kStepRecKineITSTPC; icut <= AliHFEcuts::kStepHFEcutsTRD; icut++){
248 AliDebug(2, Form("Checking cut %d for species %s", icut + AliHFEcuts::kNcutStepsMCTrack, AliPID::ParticleName(abinitioPID)));
250 TObjArray *cutlist = fCFM->GetParticleCutsList(icut + AliHFEcuts::kNcutStepsMCTrack);
252 AliDebug(2, Form("No cuts for step %d set", icut + AliHFEcuts::kNcutStepsMCTrack));
254 AliDebug(2, Form("Cut Collection %s", cutlist->GetName()));
255 TIter cutiter(cutlist);
257 while((cut = dynamic_cast<AliCFCutBase *>(cutiter()))){
258 AliDebug(2, Form("Cut object %s, QA on? %s", cut->GetName(), cut->IsQAOn() ? "yes" : "no"));
262 //if(!fCFM->CheckParticleCuts(icut + AliHFEcuts::kNcutStepsMCTrack, (TObject *)track)){
263 if(!fCuts->CheckParticleCuts(icut + AliHFEcuts::kNcutStepsMCTrack, (TObject *)track)){
264 AliDebug(2, Form("Track didn' survive cut %d", icut + AliHFEcuts::kNcutStepsMCTrack));
268 AliDebug(2, Form("Cut passed, filling container %d", icut - offset + 1));
269 fVarManager->FillContainer(fCFM->GetParticleContainer(), icut - offset + 1);
273 AliDebug(2, "Use track in the PID");
275 AliHFEpidObject hfetrack;
276 hfetrack.SetAnalysisType(AliHFEpidObject::kESDanalysis);
277 hfetrack.SetRecTrack(track);
278 hfetrack.SetAbInitioPID(abinitioPID);
279 hfetrack.SetCentrality(fCentralityF);
280 if(fIsPbPb) hfetrack.SetPbPb();
281 else hfetrack.SetPP();
282 fPID->SetVarManager(fVarManager);
283 fPID->IsSelected(&hfetrack, fContainer, "taggedTrackContainer", fPIDqa);
287 //____________________________________________________________
288 void AliHFEtaggedTrackAnalysis::SetCuts(AliHFEcuts *cuts){
290 // Set HFE cuts to be used to filter the tagged tracks
293 AliWarning("Nob cuts provided - Using standard cuts");
294 fCuts = new AliHFEcuts("cutsTagged", "HFE Cuts for the V0 tagged tracks");
295 fCuts->CreateStandardCuts();
297 SetBit(kIsOwnerCuts);
299 AliDebug(1, "Setting single track cuts");
302 const Int_t kNcutSteps = AliHFEcuts::kNcutStepsMCTrack + AliHFEcuts::kNcutStepsRecTrack + AliHFEcuts::kNcutStepsDETrack;
303 printf("Setting Number of cut steps %d\n", kNcutSteps);
304 fCFM->SetNStepParticle(kNcutSteps);
305 for(Int_t istep = 0; istep < kNcutSteps; istep++)
306 fCFM->SetParticleCutsList(istep, NULL);
308 fCuts->Initialize(fCFM);
311 //____________________________________________________________
312 void AliHFEtaggedTrackAnalysis::SetPID(AliHFEpid *pid){
314 // Set the PID and initialize the the QA manager
317 fPIDqa->Initialize(fPID);
320 //____________________________________________________________
321 TList *AliHFEtaggedTrackAnalysis::GetPIDQA() const {
325 return fPIDqa->MakeList("PIDqa_taggedTracks");
328 //____________________________________________________________
329 TList *AliHFEtaggedTrackAnalysis::GetCutQA() const {
333 return fCuts->GetQAhistograms();