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 "AliExternalTrackParam.h"
34 #include "AliHFEcollection.h"
35 #include "AliHFEcontainer.h"
36 #include "AliHFEcuts.h"
37 #include "AliHFEpid.h"
38 #include "AliHFEpidTPC.h"
39 #include "AliHFEpidQAmanager.h"
40 #include "AliHFEtaggedTrackAnalysis.h"
41 #include "AliHFEvarManager.h"
43 ClassImp(AliHFEtaggedTrackAnalysis)
44 //____________________________________________________________
45 AliHFEtaggedTrackAnalysis::AliHFEtaggedTrackAnalysis():
57 , fVariablesTRD(kFALSE)
65 //____________________________________________________________
66 AliHFEtaggedTrackAnalysis::AliHFEtaggedTrackAnalysis(const char *name):
78 , fVariablesTRD(kFALSE)
82 // Default constructor
84 fVarManager = new AliHFEvarManager("taggedTrackVarManager");
85 //fVarManager->AddVariable("pt");
86 //fVarManager->AddVariable("eta");
87 //fVarManager->AddVariable("phi");
88 //fVarManager->AddVariable("charge");
89 //fVarManager->AddVariable("species");
90 fPIDqa = new AliHFEpidQAmanager;
91 fCFM = new AliCFManager;
92 SetBit(kIsOwner, kTRUE);
95 //____________________________________________________________
96 AliHFEtaggedTrackAnalysis::AliHFEtaggedTrackAnalysis(const AliHFEtaggedTrackAnalysis &ref):
98 , fVarManager(ref.fVarManager)
104 , fQAhistos(ref.fQAhistos)
105 , fCentralityF(ref.fCentralityF)
107 , fMagneticField(ref.fMagneticField)
108 , fVariablesTRD(ref.fVariablesTRD)
109 , fIsPbPb(ref.fIsPbPb)
117 SetBit(kIsOwner, kFALSE);
120 //____________________________________________________________
121 AliHFEtaggedTrackAnalysis &AliHFEtaggedTrackAnalysis::operator=(const AliHFEtaggedTrackAnalysis &ref){
123 // Assignment operator
125 TNamed::operator=(ref);
127 fVarManager = ref.fVarManager;
132 fQAhistos = ref.fQAhistos;
133 fCentralityF = ref.fCentralityF;
135 fMagneticField = ref.fMagneticField;
136 fVariablesTRD = ref.fVariablesTRD;
137 fIsPbPb = ref.fIsPbPb;
139 if(ref.fContainer) InitContainer();
141 SetBit(kIsOwner, kFALSE);
142 SetBit(kIsOwnerCuts, kFALSE);
147 //____________________________________________________________
148 AliHFEtaggedTrackAnalysis::~AliHFEtaggedTrackAnalysis(){
152 if(TestBit(kIsOwner)){
153 if(fVarManager) delete fVarManager;
154 if(fPIDqa) delete fPIDqa;
156 if(TestBit(kIsOwnerCuts)) delete fCuts;
157 if(fContainer) delete fContainer;
160 //____________________________________________________________
161 void AliHFEtaggedTrackAnalysis::InitContainer(){
163 // Initialize output container
165 if(fContainer) return;
168 AliError("No PID set - defining container without PID steps");
170 nStepPID = fPID->GetNumberOfPIDdetectors();
172 fContainer = new AliHFEcontainer("containerV0");
173 fVarManager->DefineVariables(fContainer);
174 fContainer->CreateContainer("taggedTrackContainerReco", "Container for Tagged Tracks", AliHFEcuts::kNcutStepsRecTrack + nStepPID);
176 // Set the step titles
177 for(Int_t istep = 0; istep < AliHFEcuts::kNcutStepsRecTrack; istep++)
178 fContainer->SetStepTitle("taggedTrackContainerReco", AliHFEcuts::RecoCutName(istep), istep);
179 for(Int_t ipid = 0; ipid < nStepPID; ipid++){
180 fContainer->SetStepTitle("taggedTrackContainerReco", fPID->SortedDetectorName(ipid), ipid + AliHFEcuts::kNcutStepsRecTrack);
182 fCFM->SetParticleContainer(fContainer->GetCFContainer("taggedTrackContainerReco"));
184 // temporarily special QA
185 fQAhistos = new AliHFEcollection("taggedTrackQA", "Special QA for the TaggedTrackAnalysis");
186 fQAhistos->CreateTH2F("TPCclusters2_1", "TPCclusterInfo for findable clusters for 2 neighbors", 30, 0.1, 10., 162, 0., 161.);
187 fQAhistos->CreateTH2F("TPCclusters2_0", "TPCclusterInfo for the ratio for 2 neighbors", 30, 0.1, 10., 110, 0., 1.1);
188 fQAhistos->CreateTH2F("TPCncls", "TPC number of clusters", 30, 0.1, 10., 162, 0., 161.);
189 fQAhistos->CreateTH2F("TPCclr", "TPC cluster ratio", 30, 0.1, 10., 110, 0., 1.1);
190 fQAhistos->BinLogAxis("TPCclusters2_1", 0); // pt axis in logarithmic binning
191 fQAhistos->BinLogAxis("TPCclusters2_0", 0); // pt axis in logarithmic binning
192 fQAhistos->BinLogAxis("TPCncls", 0); // pt axis in logarithmic binning
193 fQAhistos->BinLogAxis("TPCclr", 0); // pt axis in logarithmic binning
196 //____________________________________________________________
197 void AliHFEtaggedTrackAnalysis::ProcessTrack(AliVParticle *track, Int_t abinitioPID){
199 // Filter tracks tagged by V0 PID class
202 fVarManager->NewTrack(track, NULL, fCentralityF, abinitioPID, kTRUE);
208 AliESDtrack *esdtrackc = dynamic_cast<AliESDtrack *>(track);
211 const AliExternalTrackParam *trueparam = NULL;
212 if(esdtrackc->GetOuterParam()) {
213 trueparam = esdtrackc->GetOuterParam();
214 fVarManager->NewTrack((AliVParticle *)trueparam, NULL, fCentralityF, abinitioPID, kTRUE);
221 // Try a loose cut to reject pion contamination
223 if(abinitioPID == AliPID::kElectron){
224 AliHFEpidTPC *pidTPC = (AliHFEpidTPC *) fPID->GetDetPID(AliHFEpid::kTPCpid);
226 Double_t numberOfSigmaTPC = pidTPC->NumberOfSigmas(track,AliPID::kElectron,AliHFEpidObject::kESDanalysis);
227 if(numberOfSigmaTPC < -5) return;
231 // temporarily monitoring of the number of TPC clusters
232 AliESDtrack *esdtrack = dynamic_cast<AliESDtrack *>(track);
233 if(esdtrack && abinitioPID == AliPID::kElectron){
234 if((esdtrack->GetITSClusterMap() & (BIT(0) | BIT(1))) && (TMath::Abs(esdtrack->Eta()) < 0.8)){ // Only select quasi-primary tracks
235 fQAhistos->Fill("TPCclusters2_1", track->Pt(), esdtrack->GetTPCClusterInfo(2,1));
236 fQAhistos->Fill("TPCclusters2_0", track->Pt(), esdtrack->GetTPCNclsF() > 0 ? esdtrack->GetTPCClusterInfo(2,1)/esdtrack->GetTPCNclsF() : 0.);
237 fQAhistos->Fill("TPCncls", track->Pt(), esdtrack->GetTPCNcls());
238 fQAhistos->Fill("TPCclr", track->Pt(), esdtrack->GetTPCNclsF() > 0 ? static_cast<Double_t>(esdtrack->GetTPCNcls())/static_cast<Double_t>(esdtrack->GetTPCNclsF()) : 0.);
242 Int_t offset = AliHFEcuts::kStepRecKineITSTPC;
243 fVarManager->FillContainer(fCFM->GetParticleContainer(), 0); // Fill Container without filtering
245 Bool_t survived = kTRUE;
246 for(Int_t icut = AliHFEcuts::kStepRecKineITSTPC; icut <= AliHFEcuts::kStepHFEcutsTRD; icut++){
247 AliDebug(2, Form("Checking cut %d for species %s", icut + AliHFEcuts::kNcutStepsMCTrack, AliPID::ParticleName(abinitioPID)));
249 TObjArray *cutlist = fCFM->GetParticleCutsList(icut + AliHFEcuts::kNcutStepsMCTrack);
251 AliDebug(2, Form("No cuts for step %d set", icut + AliHFEcuts::kNcutStepsMCTrack));
253 AliDebug(2, Form("Cut Collection %s", cutlist->GetName()));
254 TIter cutiter(cutlist);
256 while((cut = dynamic_cast<AliCFCutBase *>(cutiter()))){
257 AliDebug(2, Form("Cut object %s, QA on? %s", cut->GetName(), cut->IsQAOn() ? "yes" : "no"));
261 //if(!fCFM->CheckParticleCuts(icut + AliHFEcuts::kNcutStepsMCTrack, (TObject *)track)){
262 if(!fCuts->CheckParticleCuts(icut + AliHFEcuts::kNcutStepsMCTrack, (TObject *)track)){
263 AliDebug(2, Form("Track didn' survive cut %d", icut + AliHFEcuts::kNcutStepsMCTrack));
267 AliDebug(2, Form("Cut passed, filling container %d", icut - offset + 1));
268 fVarManager->FillContainer(fCFM->GetParticleContainer(), icut - offset + 1);
272 AliDebug(2, "Use track in the PID");
274 AliHFEpidObject hfetrack;
275 hfetrack.SetAnalysisType(AliHFEpidObject::kESDanalysis);
276 hfetrack.SetRecTrack(track);
277 hfetrack.SetAbInitioPID(abinitioPID);
278 hfetrack.SetCentrality(fCentralityF);
279 if(fIsPbPb) hfetrack.SetPbPb();
280 else hfetrack.SetPP();
281 fPID->SetVarManager(fVarManager);
282 fPID->IsSelected(&hfetrack, fContainer, "taggedTrackContainer", fPIDqa);
286 //____________________________________________________________
287 void AliHFEtaggedTrackAnalysis::SetCuts(AliHFEcuts *cuts){
289 // Set HFE cuts to be used to filter the tagged tracks
292 AliWarning("Nob cuts provided - Using standard cuts");
293 fCuts = new AliHFEcuts("cutsTagged", "HFE Cuts for the V0 tagged tracks");
294 fCuts->CreateStandardCuts();
296 SetBit(kIsOwnerCuts);
298 AliDebug(1, "Setting single track cuts");
301 const Int_t kNcutSteps = AliHFEcuts::kNcutStepsMCTrack + AliHFEcuts::kNcutStepsRecTrack + AliHFEcuts::kNcutStepsDETrack;
302 printf("Setting Number of cut steps %d\n", kNcutSteps);
303 fCFM->SetNStepParticle(kNcutSteps);
304 for(Int_t istep = 0; istep < kNcutSteps; istep++)
305 fCFM->SetParticleCutsList(istep, NULL);
307 fCuts->Initialize(fCFM);
310 //____________________________________________________________
311 void AliHFEtaggedTrackAnalysis::SetPID(AliHFEpid *pid){
313 // Set the PID and initialize the the QA manager
316 fPIDqa->Initialize(fPID);
319 //____________________________________________________________
320 TList *AliHFEtaggedTrackAnalysis::GetPIDQA() const {
324 return fPIDqa->MakeList("PIDqa_taggedTracks");
327 //____________________________________________________________
328 TList *AliHFEtaggedTrackAnalysis::GetCutQA() const {
332 return fCuts->GetQAhistograms();