11 #include <AliExternalTrackParam.h>
12 #include <AliAODEvent.h>
13 #include <AliESDEvent.h>
17 #include <AliCFContainer.h>
18 #include <AliCFEffGrid.h>
19 #include <AliCFDataGrid.h>
20 #include <AliCFManager.h>
21 #include <AliCFTrackKineCuts.h>
22 #include <AliCFParticleGenCuts.h>
23 #include <AliCFAcceptanceCuts.h>
24 #include <AliMCEvent.h>
25 //#include <AliESDVertex.h>
29 #include "AliProtonSpectraCorrection.h"
30 #include "AliProtonAnalysisBase.h"
32 ClassImp(AliProtonSpectraCorrection)
34 //____________________________________________________________________//
35 AliProtonSpectraCorrection::AliProtonSpectraCorrection() :
36 TObject(), fProtonAnalysisBase(0),
37 fNBinsY(0), fMinY(0), fMaxY(0),
38 fNBinsPt(0), fMinPt(0), fMaxPt(0),
39 fCFManagerProtons(0), fCFManagerAntiProtons(0) {
40 //fProtonContainer(0), fAntiProtonContainer(0) {
44 //____________________________________________________________________//
45 AliProtonSpectraCorrection::~AliProtonSpectraCorrection() {
47 if(fCFManagerProtons) delete fCFManagerProtons;
48 if(fCFManagerAntiProtons) delete fCFManagerAntiProtons;
49 if(fProtonAnalysisBase) delete fProtonAnalysisBase;
50 //if(fProtonContainer) delete fProtonContainer;
51 //if(fAntiProtonContainer) delete fAntiProtonContainer;
54 //____________________________________________________________________//
55 void AliProtonSpectraCorrection::InitAnalysisHistograms(Int_t nbinsY,
61 //Initializes the histograms
68 const Int_t mintrackrefsTPC = 1;
70 //=========================================================//
71 //setting up the containers
75 Double_t *binLimY = new Double_t[nbinsY+1];
76 Double_t *binLimPt = new Double_t[nbinsPt+1];
77 //values for bin lower bounds
78 for(Int_t i = 0; i <= nbinsY; i++)
79 binLimY[i]=(Double_t)fLowY + (fHighY - fLowY) /nbinsY*(Double_t)i;
80 for(Int_t i = 0; i <= nbinsPt; i++)
81 binLimPt[i]=(Double_t)fLowPt + (fHighPt - fLowPt) /nbinsPt*(Double_t)i;
84 AliCFContainer *containerProtons = new AliCFContainer("containerProtons",
85 "container for protons",
87 containerProtons->SetBinLimits(0,binLimY); //rapidity or eta
88 containerProtons->SetBinLimits(1,binLimPt); //pT
90 //Anti-proton container
91 AliCFContainer *containerAntiProtons = new AliCFContainer("containerAntiProtons",
92 "container for antiprotons",
94 containerAntiProtons->SetBinLimits(0,binLimY); //rapidity or eta
95 containerAntiProtons->SetBinLimits(1,binLimPt); //pT
97 //=========================================================//
98 //Setting up the criteria for the generated particles
99 Char_t titleCF[256] = "mcKineCutsProtons";
100 Char_t nameCF[256] = "MC-level kinematic cuts";
101 AliCFTrackKineCuts *mcKineCutsProtons = new AliCFTrackKineCuts(titleCF,nameCF);
102 mcKineCutsProtons->SetPtRange(fMinPt,fMaxPt);
103 if(fProtonAnalysisBase->GetEtaMode())
104 mcKineCutsProtons->SetEtaRange(fMinY,fMaxY);
106 mcKineCutsProtons->SetRapidityRange(fMinY,fMaxY);
107 mcKineCutsProtons->SetChargeMC(1.0);
109 strncpy(titleCF,"mcKineCutsAntiProtons",21);
110 AliCFTrackKineCuts *mcKineCutsAntiProtons = new AliCFTrackKineCuts(titleCF,nameCF);
111 mcKineCutsAntiProtons->SetPtRange(fMinPt,fMaxPt);
112 if(fProtonAnalysisBase->GetEtaMode())
113 mcKineCutsAntiProtons->SetEtaRange(fMinY,fMaxY);
115 mcKineCutsAntiProtons->SetRapidityRange(fMinY,fMaxY);
116 mcKineCutsAntiProtons->SetChargeMC(-1.0);
118 strncpy(titleCF,"mcGenCutsProtons",16);
119 strncpy(nameCF,"MC particle generation cuts",26);
120 AliCFParticleGenCuts* mcGenCutsProtons = new AliCFParticleGenCuts(titleCF,nameCF);
121 mcGenCutsProtons->SetRequireIsPrimary();
122 mcGenCutsProtons->SetRequirePdgCode(2212);
124 strncpy(titleCF,"mcGenCutsAntiProtons",20);
125 AliCFParticleGenCuts* mcGenCutsAntiProtons = new AliCFParticleGenCuts(titleCF,nameCF);
126 mcGenCutsAntiProtons->SetRequireIsPrimary();
127 mcGenCutsAntiProtons->SetRequirePdgCode(-2212);
129 TObjArray* mcListProtons = new TObjArray(0);
130 mcListProtons->AddLast(mcKineCutsProtons);
131 mcListProtons->AddLast(mcGenCutsProtons);
132 TObjArray* mcListAntiProtons = new TObjArray(0);
133 mcListAntiProtons->AddLast(mcKineCutsAntiProtons);
134 mcListAntiProtons->AddLast(mcGenCutsAntiProtons);
136 //Setting up the criteria for the reconstructible particles
137 strncpy(titleCF,"mcAccCuts",9);
138 strncpy(nameCF,"Acceptance cuts",15);
139 AliCFAcceptanceCuts *mcAccCuts = new AliCFAcceptanceCuts(titleCF,nameCF);
140 mcAccCuts->SetMinNHitTPC(mintrackrefsTPC);
141 TObjArray* accList = new TObjArray(0);
142 accList->AddLast(mcAccCuts);
144 //____________________________________________//
145 //Setting up the criteria for the reconstructed tracks
146 //____________________________________________//
147 strncpy(titleCF,"recKineCutsProtons",18);
148 strncpy(nameCF,"rec-level kine cuts",19);
149 AliCFTrackKineCuts *recKineCutsProtons = new AliCFTrackKineCuts(titleCF,nameCF);
150 recKineCutsProtons->SetPtRange(fMinPt,fMaxPt);
151 if(fProtonAnalysisBase->GetEtaMode())
152 recKineCutsProtons->SetEtaRange(fMinY,fMaxY);
154 recKineCutsProtons->SetRapidityRange(fMinY,fMaxY);
155 recKineCutsProtons->SetChargeRec(1.0);
157 //____________________________________________//
158 strncpy(titleCF,"recKineCutsAntiProtons",22);
159 AliCFTrackKineCuts *recKineCutsAntiProtons = new AliCFTrackKineCuts(titleCF,nameCF);
160 recKineCutsAntiProtons->SetPtRange(fMinPt,fMaxPt);
161 if(fProtonAnalysisBase->GetEtaMode())
162 recKineCutsAntiProtons->SetEtaRange(fMinY,fMinY);
164 recKineCutsAntiProtons->SetRapidityRange(fMinY,fMaxY);
165 recKineCutsAntiProtons->SetChargeRec(-1.0);
167 //____________________________________________//
168 TObjArray* recListProtons = new TObjArray(0);
169 recListProtons->AddLast(recKineCutsProtons);
170 recListProtons->AddLast(mcGenCutsProtons);
172 TObjArray* recListAntiProtons = new TObjArray(0);
173 recListAntiProtons->AddLast(recKineCutsAntiProtons);
174 recListAntiProtons->AddLast(mcGenCutsAntiProtons);
176 //=========================================================//
177 //CF manager - Protons
178 fCFManagerProtons = new AliCFManager();
179 fCFManagerProtons->SetParticleContainer(containerProtons);
180 fCFManagerProtons->SetParticleCutsList(AliCFManager::kPartGenCuts,mcListProtons);
181 fCFManagerProtons->SetParticleCutsList(AliCFManager::kPartAccCuts,accList);
182 fCFManagerProtons->SetParticleCutsList(AliCFManager::kPartRecCuts,recListProtons);
184 //CF manager - Protons
185 fCFManagerAntiProtons = new AliCFManager();
186 fCFManagerAntiProtons->SetParticleContainer(containerAntiProtons);
187 fCFManagerAntiProtons->SetParticleCutsList(AliCFManager::kPartGenCuts,mcListAntiProtons);
188 fCFManagerAntiProtons->SetParticleCutsList(AliCFManager::kPartAccCuts,accList);
189 fCFManagerAntiProtons->SetParticleCutsList(AliCFManager::kPartRecCuts,recListAntiProtons);
192 //_________________________________________________________________________//
193 void AliProtonSpectraCorrection::FillCorrectionMaps(AliESDEvent *esd,
194 const AliESDVertex *vertex,
195 AliMCEvent *mcEvent) {
196 //Function to fill the correction containers
197 fCFManagerProtons->SetMCEventInfo(mcEvent);
198 fCFManagerAntiProtons->SetMCEventInfo(mcEvent);
201 Double_t containerInput[2];
202 //__________________________________________________________//
203 //loop on the MC event
204 for (Int_t ipart = 0; ipart < mcEvent->GetNumberOfTracks(); ipart++) {
205 AliMCParticle *mcPart = dynamic_cast<AliMCParticle *>(mcEvent->GetTrack(ipart));
208 //check the MC-level cuts
209 if (fCFManagerProtons->CheckParticleCuts(AliCFManager::kPartGenCuts,
211 containerInput[0] = (Float_t)mcPart->Eta();
212 containerInput[1] = (Float_t)mcPart->Pt();
213 //fill the container for Gen-level selection
214 fCFManagerProtons->GetParticleContainer()->Fill(containerInput,
216 //check the Acceptance-level cuts
217 if (fCFManagerProtons->CheckParticleCuts(AliCFManager::kPartAccCuts,
219 //fill the container for Acceptance-level selection
220 fCFManagerProtons->GetParticleContainer()->Fill(containerInput,
221 kStepReconstructible);
222 }//acceptance cuts - protons
223 }//MC level cuts - protons
226 //check the MC-level cuts
227 if (fCFManagerAntiProtons->CheckParticleCuts(AliCFManager::kPartGenCuts,
229 containerInput[0] = (Float_t)mcPart->Eta();
230 containerInput[1] = (Float_t)mcPart->Pt();
231 //fill the container for Gen-level selection
232 fCFManagerAntiProtons->GetParticleContainer()->Fill(containerInput,
234 //check the Acceptance-level cuts
235 if (fCFManagerAntiProtons->CheckParticleCuts(AliCFManager::kPartAccCuts,
237 //fill the container for Acceptance-level selection
238 fCFManagerAntiProtons->GetParticleContainer()->Fill(containerInput,
239 kStepReconstructible);
240 }//acceptance cuts - antiprotons
241 }//MC level cuts - antiprotons
242 }//loop over MC particles
245 //__________________________________________________________//
247 for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) {
248 AliESDtrack *track = dynamic_cast<AliESDtrack *>(esd->GetTrack(iTrack));
251 // is track associated to particle ?
252 Int_t label = track->GetLabel();
253 if (label<0) continue;
254 AliMCParticle *mcPart = dynamic_cast<AliMCParticle *>(mcEvent->GetTrack(label));
256 if((fProtonAnalysisBase->GetAnalysisMode()==AliProtonAnalysisBase::kTPC)||(fProtonAnalysisBase->GetAnalysisMode()==AliProtonAnalysisBase::kHybrid)) {
257 AliExternalTrackParam *tpcTrack = (AliExternalTrackParam *)track->GetTPCInnerParam();
258 if(!tpcTrack) continue;
259 }//Hybrid or standalone TPC
262 // check if this track was part of the signal - primaries
263 if (fCFManagerProtons->CheckParticleCuts(AliCFManager::kPartGenCuts,
265 //fill the container - reconstructed protons
266 containerInput[0] = mcPart->Eta();
267 containerInput[1] = mcPart->Pt();
268 fCFManagerProtons->GetParticleContainer()->Fill(containerInput,
270 //fill the container - identified protons
271 if(fProtonAnalysisBase->IsProton(track)) {
272 containerInput[0] = mcPart->Eta();
273 containerInput[1] = mcPart->Pt();
274 fCFManagerProtons->GetParticleContainer()->Fill(containerInput,
277 //fill the container - survived protons
279 if(!fProtonAnalysisBase->IsPrimary(esd,vertex,track)) continue;
280 if(!fProtonAnalysisBase->IsAccepted(track)) continue;
281 //track outside the analyzed y-Pt
282 if(!fProtonAnalysisBase->IsInPhaseSpace(track)) continue;
283 containerInput[0] = mcPart->Eta();
284 containerInput[1] = mcPart->Pt();
285 fCFManagerProtons->GetParticleContainer()->Fill(containerInput,
288 }//MC primaries - protons
291 // check if this track was part of the signal - primaries
292 if (fCFManagerAntiProtons->CheckParticleCuts(AliCFManager::kPartGenCuts,
294 //fill the container - reconstructed antiprotons
295 containerInput[0] = mcPart->Eta();
296 containerInput[1] = mcPart->Pt();
297 fCFManagerAntiProtons->GetParticleContainer()->Fill(containerInput,
300 //fill the container - identified antiprotons
301 if(fProtonAnalysisBase->IsProton(track)) {
302 containerInput[0] = mcPart->Eta();
303 containerInput[1] = mcPart->Pt();
304 fCFManagerAntiProtons->GetParticleContainer()->Fill(containerInput,
307 //fill the container - survived antiprotons
309 if(!fProtonAnalysisBase->IsPrimary(esd,vertex,track)) continue;
310 if(!fProtonAnalysisBase->IsAccepted(track)) continue;
311 //track outside the analyzed y-Pt
312 if(!fProtonAnalysisBase->IsInPhaseSpace(track)) continue;
313 containerInput[0] = mcPart->Eta();
314 containerInput[1] = mcPart->Pt();
315 fCFManagerAntiProtons->GetParticleContainer()->Fill(containerInput,
318 }//MC primaries - antiprotons
321 //if(fProtonAnalysisBase->GetDebugMode())
322 //Printf("Initial number of tracks: %d | Identified (anti)protons: %d - %d | Survived (anti)protons: %d - %d",nTracks,nIdentifiedProtons,nIdentifiedAntiProtons,nSurvivedProtons,nSurvivedAntiProtons);
325 //_________________________________________________________________________//
326 void AliProtonSpectraCorrection::FillCorrectionMaps(AliAODEvent *fAOD) {
327 // Analysis from AOD: to be implemented...
328 // in the near future.