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477d6cee | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
21a4b1c0 | 8 | * documentation strictly for non-commercial purposes is hereby granted * |
477d6cee | 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 | **************************************************************************/ | |
477d6cee | 15 | |
16 | //_________________________________________________________________________ | |
17 | // Class for the analysis of high pT pi0 event by event | |
09273901 | 18 | // Pi0/Eta identified by one of the following: |
477d6cee | 19 | // -Invariant mass of 2 cluster in calorimeter |
20 | // -Shower shape analysis in calorimeter | |
21a4b1c0 | 21 | // -Invariant mass of one cluster in calorimeter and one photon reconstructed in CTS |
477d6cee | 22 | // |
23 | // -- Author: Gustavo Conesa (LNF-INFN) & Raphaelle Ichou (SUBATECH) | |
24 | ////////////////////////////////////////////////////////////////////////////// | |
25 | ||
26 | ||
27 | // --- ROOT system --- | |
28 | #include <TList.h> | |
29 | #include <TClonesArray.h> | |
0c1383b5 | 30 | #include <TObjString.h> |
477d6cee | 31 | |
32 | // --- Analysis system --- | |
33 | #include "AliAnaPi0EbE.h" | |
34 | #include "AliCaloTrackReader.h" | |
35 | #include "AliIsolationCut.h" | |
36 | #include "AliNeutralMesonSelection.h" | |
37 | #include "AliCaloPID.h" | |
38 | #include "AliMCAnalysisUtils.h" | |
477d6cee | 39 | #include "AliStack.h" |
ff45398a | 40 | #include "AliFiducialCut.h" |
477d6cee | 41 | #include "TParticle.h" |
0ae57829 | 42 | #include "AliVCluster.h" |
477d6cee | 43 | #include "AliAODEvent.h" |
591cc579 | 44 | #include "AliAODMCParticle.h" |
477d6cee | 45 | |
46 | ClassImp(AliAnaPi0EbE) | |
47 | ||
78a28af3 | 48 | //____________________________ |
477d6cee | 49 | AliAnaPi0EbE::AliAnaPi0EbE() : |
09273901 | 50 | AliAnaCaloTrackCorrBaseClass(),fAnaType(kIMCalo), fCalorimeter(""), |
51 | fMinDist(0.),fMinDist2(0.), fMinDist3(0.), | |
52 | fFillWeightHistograms(kFALSE), fFillTMHisto(0), | |
1db06135 | 53 | fInputAODGammaConvName(""), |
521636d2 | 54 | //Histograms |
09273901 | 55 | fhPt(0), fhE(0), |
56 | fhEEta(0), fhEPhi(0), fhEtaPhi(0), | |
57 | fhPtDecay(0), fhEDecay(0), | |
521636d2 | 58 | //Shower shape histos |
09273901 | 59 | fhEDispersion(0), fhELambda0(0), fhELambda1(0), |
60 | fhELambda0NoTRD(0), fhELambda0FracMaxCellCut(0), | |
61 | fhEFracMaxCell(0), fhEFracMaxCellNoTRD(0), | |
62 | fhENCells(0), fhETime(0), fhEPairDiffTime(0), | |
521636d2 | 63 | //MC histos |
09273901 | 64 | fhPtMCNo(0), fhPhiMCNo(0), fhEtaMCNo(0), |
65 | fhPtMC(0), fhPhiMC(0), fhEtaMC(0), | |
b5dbb99b | 66 | fhMassPairMCPi0(0), fhMassPairMCEta(0), |
67 | fhAnglePairMCPi0(0), fhAnglePairMCEta(0), | |
78a28af3 | 68 | // Weight studies |
09273901 | 69 | fhECellClusterRatio(0), fhECellClusterLogRatio(0), |
70 | fhEMaxCellClusterRatio(0), fhEMaxCellClusterLogRatio(0), | |
31ae6d59 | 71 | fhTrackMatchedDEta(0), fhTrackMatchedDPhi(0), fhTrackMatchedDEtaDPhi(0), |
b5dbb99b | 72 | fhdEdx(0), fhEOverP(0), fhTrackMatchedMCParticle(0), |
73 | fhEOverPNoTRD(0) | |
477d6cee | 74 | { |
75 | //default ctor | |
76 | ||
6db946bd | 77 | for(Int_t i = 0; i < 6; i++){ |
521636d2 | 78 | fhEMCLambda0[i] = 0; |
3bfcb597 | 79 | fhEMCLambda0NoTRD[i]= 0; |
80 | fhEMCLambda0FracMaxCellCut[i]= 0; | |
81 | fhEMCFracMaxCell[i] = 0; | |
521636d2 | 82 | fhEMCLambda1[i] = 0; |
83 | fhEMCDispersion[i] = 0; | |
521636d2 | 84 | } |
85 | ||
78a28af3 | 86 | //Weight studies |
1a72f6c5 | 87 | for(Int_t i =0; i < 14; i++){ |
78a28af3 | 88 | fhLambda0ForW0[i] = 0; |
1a72f6c5 | 89 | //fhLambda1ForW0[i] = 0; |
78a28af3 | 90 | } |
91 | ||
477d6cee | 92 | //Initialize parameters |
93 | InitParameters(); | |
94 | ||
95 | } | |
477d6cee | 96 | |
42d47cb7 | 97 | //_____________________________________________________________________________________ |
98 | void AliAnaPi0EbE::FillSelectedClusterHistograms(AliVCluster* cluster, const Int_t tag){ | |
99 | ||
100 | // Fill shower shape, timing and other histograms for selected clusters from decay | |
101 | ||
102 | Float_t e = cluster->E(); | |
103 | Float_t disp = cluster->GetDispersion()*cluster->GetDispersion(); | |
104 | Float_t l0 = cluster->GetM02(); | |
105 | Float_t l1 = cluster->GetM20(); | |
106 | Int_t nSM = GetModuleNumber(cluster); | |
09273901 | 107 | |
42d47cb7 | 108 | AliVCaloCells * cell = 0x0; |
109 | if(fCalorimeter == "PHOS") | |
110 | cell = GetPHOSCells(); | |
111 | else | |
112 | cell = GetEMCALCells(); | |
113 | ||
114 | Float_t maxCellFraction = 0; | |
115 | GetCaloUtils()->GetMaxEnergyCell(cell, cluster, maxCellFraction); | |
116 | fhEFracMaxCell->Fill(e,maxCellFraction); | |
117 | ||
118 | FillWeightHistograms(cluster); | |
119 | ||
120 | fhEDispersion->Fill(e, disp); | |
121 | fhELambda0 ->Fill(e, l0 ); | |
122 | fhELambda1 ->Fill(e, l1 ); | |
123 | ||
b5dbb99b | 124 | if(fCalorimeter=="EMCAL" && nSM < 6) |
125 | { | |
42d47cb7 | 126 | fhELambda0NoTRD->Fill(e, l0 ); |
127 | fhEFracMaxCellNoTRD->Fill(e,maxCellFraction); | |
128 | } | |
129 | ||
130 | if(maxCellFraction < 0.5) | |
131 | fhELambda0FracMaxCellCut->Fill(e, l0 ); | |
132 | ||
133 | fhETime ->Fill(e, cluster->GetTOF()*1.e9); | |
134 | fhENCells->Fill(e, cluster->GetNCells()); | |
135 | ||
09273901 | 136 | // Fill Track matching control histograms |
b5dbb99b | 137 | if(fFillTMHisto) |
138 | { | |
09273901 | 139 | Float_t dZ = cluster->GetTrackDz(); |
140 | Float_t dR = cluster->GetTrackDx(); | |
141 | ||
b5dbb99b | 142 | if(cluster->IsEMCAL() && GetCaloUtils()->IsRecalculationOfClusterTrackMatchingOn()) |
143 | { | |
09273901 | 144 | dR = 2000., dZ = 2000.; |
31ae6d59 | 145 | GetCaloUtils()->GetEMCALRecoUtils()->GetMatchedResiduals(cluster->GetID(),dZ,dR); |
09273901 | 146 | } |
147 | //printf("Pi0EbE: dPhi %f, dEta %f\n",dR,dZ); | |
148 | ||
b5dbb99b | 149 | if(fhTrackMatchedDEta && TMath::Abs(dR) < 999) |
150 | { | |
09273901 | 151 | fhTrackMatchedDEta->Fill(e,dZ); |
152 | fhTrackMatchedDPhi->Fill(e,dR); | |
b5dbb99b | 153 | if(e > 0.5) fhTrackMatchedDEtaDPhi->Fill(dZ,dR); |
09273901 | 154 | } |
31ae6d59 | 155 | |
156 | // Check dEdx and E/p of matched clusters | |
157 | ||
158 | if(TMath::Abs(dZ) < 0.05 && TMath::Abs(dR) < 0.05) | |
159 | { | |
4bfeae64 | 160 | AliVTrack *track = GetCaloUtils()->GetMatchedTrack(cluster, GetReader()->GetInputEvent()); |
31ae6d59 | 161 | |
162 | if(track) { | |
163 | ||
164 | Float_t dEdx = track->GetTPCsignal(); | |
165 | fhdEdx->Fill(e, dEdx); | |
166 | ||
167 | Float_t eOverp = e/track->P(); | |
168 | fhEOverP->Fill(e, eOverp); | |
4bfeae64 | 169 | |
b5dbb99b | 170 | if(fCalorimeter=="EMCAL" && nSM < 6) fhEOverPNoTRD->Fill(e, eOverp); |
171 | ||
31ae6d59 | 172 | } |
4bfeae64 | 173 | //else |
174 | // printf("AliAnaPi0EbE::FillSelectedClusterHistograms() - Residual OK but (dR, dZ)= (%2.4f,%2.4f) no track associated WHAT? \n", dR,dZ); | |
175 | ||
176 | ||
31ae6d59 | 177 | |
b5dbb99b | 178 | if(IsDataMC()) |
179 | { | |
31ae6d59 | 180 | if ( !GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCConversion) ) |
181 | { | |
182 | if ( GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCPi0) || | |
183 | GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCEta) ) fhTrackMatchedMCParticle->Fill(e, 2.5 ); | |
184 | else if ( GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCPhoton) ) fhTrackMatchedMCParticle->Fill(e, 0.5 ); | |
185 | else if ( GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCElectron) ) fhTrackMatchedMCParticle->Fill(e, 1.5 ); | |
186 | else fhTrackMatchedMCParticle->Fill(e, 3.5 ); | |
187 | ||
188 | } | |
189 | else | |
190 | { | |
191 | if ( GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCPi0) || | |
192 | GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCEta) ) fhTrackMatchedMCParticle->Fill(e, 6.5 ); | |
193 | else if ( GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCPhoton) ) fhTrackMatchedMCParticle->Fill(e, 4.5 ); | |
194 | else if ( GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCElectron) ) fhTrackMatchedMCParticle->Fill(e, 5.5 ); | |
195 | else fhTrackMatchedMCParticle->Fill(e, 7.5 ); | |
196 | } | |
197 | } // MC | |
198 | } | |
09273901 | 199 | }// Track matching histograms |
200 | ||
b5dbb99b | 201 | if(IsDataMC()) |
202 | { | |
42d47cb7 | 203 | //Photon1 |
b5dbb99b | 204 | if ( GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCPi0) ) |
205 | { | |
c5693f62 | 206 | fhEMCLambda0[kmcPi0] ->Fill(e, l0); |
207 | fhEMCLambda1[kmcPi0] ->Fill(e, l1); | |
208 | fhEMCDispersion[kmcPi0] ->Fill(e, disp); | |
42d47cb7 | 209 | |
c5693f62 | 210 | fhEMCFracMaxCell[kmcPi0]->Fill(e,maxCellFraction); |
42d47cb7 | 211 | if(fCalorimeter=="EMCAL" && nSM < 6) |
c5693f62 | 212 | fhEMCLambda0NoTRD[kmcPi0]->Fill(e, l0 ); |
42d47cb7 | 213 | if(maxCellFraction < 0.5) |
c5693f62 | 214 | fhEMCLambda0FracMaxCellCut[kmcPi0]->Fill(e, l0 ); |
42d47cb7 | 215 | |
216 | }//pi0 | |
b5dbb99b | 217 | else if ( GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCEta) ) |
218 | { | |
c5693f62 | 219 | fhEMCLambda0[kmcEta] ->Fill(e, l0); |
220 | fhEMCLambda1[kmcEta] ->Fill(e, l1); | |
221 | fhEMCDispersion[kmcEta] ->Fill(e, disp); | |
222 | fhEMCFracMaxCell[kmcEta]->Fill(e,maxCellFraction); | |
42d47cb7 | 223 | if(fCalorimeter=="EMCAL" && nSM < 6) |
c5693f62 | 224 | fhEMCLambda0NoTRD[kmcEta]->Fill(e, l0 ); |
42d47cb7 | 225 | if(maxCellFraction < 0.5) |
c5693f62 | 226 | fhEMCLambda0FracMaxCellCut[kmcEta]->Fill(e, l0 ); |
42d47cb7 | 227 | }//eta |
228 | else if ( GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCPhoton) && | |
b5dbb99b | 229 | GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCConversion) ) |
230 | { | |
c5693f62 | 231 | fhEMCLambda0[kmcConversion] ->Fill(e, l0); |
232 | fhEMCLambda1[kmcConversion] ->Fill(e, l1); | |
233 | fhEMCDispersion[kmcConversion] ->Fill(e, disp); | |
234 | fhEMCFracMaxCell[kmcConversion]->Fill(e,maxCellFraction); | |
42d47cb7 | 235 | if(fCalorimeter=="EMCAL" && nSM < 6) |
c5693f62 | 236 | fhEMCLambda0NoTRD[kmcConversion]->Fill(e, l0 ); |
42d47cb7 | 237 | if(maxCellFraction < 0.5) |
c5693f62 | 238 | fhEMCLambda0FracMaxCellCut[kmcConversion]->Fill(e, l0 ); |
42d47cb7 | 239 | }//conversion photon |
b5dbb99b | 240 | else if( GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCPhoton) ) |
241 | { | |
c5693f62 | 242 | fhEMCLambda0[kmcPhoton] ->Fill(e, l0); |
243 | fhEMCLambda1[kmcPhoton] ->Fill(e, l1); | |
244 | fhEMCDispersion[kmcPhoton] ->Fill(e, disp); | |
245 | fhEMCFracMaxCell[kmcPhoton]->Fill(e,maxCellFraction); | |
42d47cb7 | 246 | if(fCalorimeter=="EMCAL" && nSM < 6) |
c5693f62 | 247 | fhEMCLambda0NoTRD[kmcPhoton]->Fill(e, l0 ); |
42d47cb7 | 248 | if(maxCellFraction < 0.5) |
c5693f62 | 249 | fhEMCLambda0FracMaxCellCut[kmcPhoton]->Fill(e, l0 ); |
42d47cb7 | 250 | }//photon no conversion |
b5dbb99b | 251 | else if ( GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCElectron)) |
252 | { | |
c5693f62 | 253 | fhEMCLambda0[kmcElectron] ->Fill(e, l0); |
254 | fhEMCLambda1[kmcElectron] ->Fill(e, l1); | |
255 | fhEMCDispersion[kmcElectron] ->Fill(e, disp); | |
256 | fhEMCFracMaxCell[kmcElectron]->Fill(e,maxCellFraction); | |
42d47cb7 | 257 | if(fCalorimeter=="EMCAL" && nSM < 6) |
c5693f62 | 258 | fhEMCLambda0NoTRD[kmcElectron]->Fill(e, l0 ); |
42d47cb7 | 259 | if(maxCellFraction < 0.5) |
c5693f62 | 260 | fhEMCLambda0FracMaxCellCut[kmcElectron]->Fill(e, l0 ); |
42d47cb7 | 261 | }//electron |
b5dbb99b | 262 | else |
263 | { | |
c5693f62 | 264 | fhEMCLambda0[kmcHadron] ->Fill(e, l0); |
265 | fhEMCLambda1[kmcHadron] ->Fill(e, l1); | |
266 | fhEMCDispersion[kmcHadron] ->Fill(e, disp); | |
267 | fhEMCFracMaxCell[kmcHadron]->Fill(e,maxCellFraction); | |
42d47cb7 | 268 | if(fCalorimeter=="EMCAL" && nSM < 6) |
c5693f62 | 269 | fhEMCLambda0NoTRD[kmcHadron]->Fill(e, l0 ); |
42d47cb7 | 270 | if(maxCellFraction < 0.5) |
c5693f62 | 271 | fhEMCLambda0FracMaxCellCut[kmcHadron]->Fill(e, l0 ); |
42d47cb7 | 272 | }//other particles |
273 | }//MC | |
274 | } | |
275 | ||
276 | //________________________________________________________ | |
277 | void AliAnaPi0EbE::FillWeightHistograms(AliVCluster *clus) | |
278 | { | |
279 | // Calculate weights and fill histograms | |
280 | ||
281 | if(!fFillWeightHistograms || GetMixedEvent()) return; | |
282 | ||
283 | AliVCaloCells* cells = 0; | |
284 | if(fCalorimeter == "EMCAL") cells = GetEMCALCells(); | |
285 | else cells = GetPHOSCells(); | |
286 | ||
287 | // First recalculate energy in case non linearity was applied | |
288 | Float_t energy = 0; | |
289 | Float_t ampMax = 0; | |
b5dbb99b | 290 | for (Int_t ipos = 0; ipos < clus->GetNCells(); ipos++) |
291 | { | |
42d47cb7 | 292 | |
293 | Int_t id = clus->GetCellsAbsId()[ipos]; | |
294 | ||
295 | //Recalibrate cell energy if needed | |
296 | Float_t amp = cells->GetCellAmplitude(id); | |
297 | RecalibrateCellAmplitude(amp,id); | |
298 | ||
299 | energy += amp; | |
300 | ||
301 | if(amp> ampMax) | |
302 | ampMax = amp; | |
303 | ||
304 | } // energy loop | |
305 | ||
b5dbb99b | 306 | if(energy <=0 ) |
307 | { | |
42d47cb7 | 308 | printf("AliAnaPi0EbE::WeightHistograms()- Wrong calculated energy %f\n",energy); |
309 | return; | |
310 | } | |
311 | ||
312 | fhEMaxCellClusterRatio ->Fill(energy,ampMax/energy); | |
313 | fhEMaxCellClusterLogRatio->Fill(energy,TMath::Log(ampMax/energy)); | |
314 | ||
315 | //Get the ratio and log ratio to all cells in cluster | |
b5dbb99b | 316 | for (Int_t ipos = 0; ipos < clus->GetNCells(); ipos++) |
317 | { | |
42d47cb7 | 318 | Int_t id = clus->GetCellsAbsId()[ipos]; |
319 | ||
320 | //Recalibrate cell energy if needed | |
321 | Float_t amp = cells->GetCellAmplitude(id); | |
322 | RecalibrateCellAmplitude(amp,id); | |
323 | ||
324 | fhECellClusterRatio ->Fill(energy,amp/energy); | |
325 | fhECellClusterLogRatio->Fill(energy,TMath::Log(amp/energy)); | |
326 | } | |
327 | ||
328 | //Recalculate shower shape for different W0 | |
329 | if(fCalorimeter=="EMCAL"){ | |
330 | ||
331 | Float_t l0org = clus->GetM02(); | |
332 | Float_t l1org = clus->GetM20(); | |
333 | Float_t dorg = clus->GetDispersion(); | |
334 | ||
b5dbb99b | 335 | for(Int_t iw = 0; iw < 14; iw++) |
336 | { | |
1a72f6c5 | 337 | GetCaloUtils()->GetEMCALRecoUtils()->SetW0(1+iw*0.5); |
42d47cb7 | 338 | GetCaloUtils()->GetEMCALRecoUtils()->RecalculateClusterShowerShapeParameters(GetEMCALGeometry(), cells, clus); |
339 | ||
340 | fhLambda0ForW0[iw]->Fill(energy,clus->GetM02()); | |
1a72f6c5 | 341 | //fhLambda1ForW0[iw]->Fill(energy,clus->GetM20()); |
42d47cb7 | 342 | |
343 | } // w0 loop | |
344 | ||
345 | // Set the original values back | |
346 | clus->SetM02(l0org); | |
347 | clus->SetM20(l1org); | |
348 | clus->SetDispersion(dorg); | |
349 | ||
350 | }// EMCAL | |
351 | } | |
352 | ||
b5dbb99b | 353 | //__________________________________________ |
354 | TObjString * AliAnaPi0EbE::GetAnalysisCuts() | |
0c1383b5 | 355 | { |
356 | //Save parameters used for analysis | |
521636d2 | 357 | TString parList ; //this will be list of parameters used for this analysis. |
358 | const Int_t buffersize = 255; | |
359 | char onePar[buffersize] ; | |
360 | ||
361 | snprintf(onePar,buffersize,"--- AliAnaPi0EbE ---\n") ; | |
362 | parList+=onePar ; | |
363 | snprintf(onePar,buffersize,"fAnaType=%d (Pi0 selection type) \n",fAnaType) ; | |
364 | parList+=onePar ; | |
365 | ||
b5dbb99b | 366 | if(fAnaType == kSSCalo) |
367 | { | |
521636d2 | 368 | snprintf(onePar,buffersize,"Calorimeter: %s\n",fCalorimeter.Data()) ; |
369 | parList+=onePar ; | |
370 | snprintf(onePar,buffersize,"fMinDist =%2.2f (Minimal distance to bad channel to accept cluster) \n",fMinDist) ; | |
371 | parList+=onePar ; | |
372 | snprintf(onePar,buffersize,"fMinDist2=%2.2f (Cuts on Minimal distance to study acceptance evaluation) \n",fMinDist2) ; | |
373 | parList+=onePar ; | |
374 | snprintf(onePar,buffersize,"fMinDist3=%2.2f (One more cut on distance used for acceptance-efficiency study) \n",fMinDist3) ; | |
375 | parList+=onePar ; | |
376 | } | |
377 | ||
378 | //Get parameters set in base class. | |
379 | parList += GetBaseParametersList() ; | |
380 | ||
381 | //Get parameters set in PID class. | |
382 | if(fAnaType == kSSCalo) parList += GetCaloPID()->GetPIDParametersList() ; | |
383 | ||
384 | return new TObjString(parList) ; | |
0c1383b5 | 385 | } |
386 | ||
b5dbb99b | 387 | //__________________________________________________________________ |
388 | void AliAnaPi0EbE::HasPairSameMCMother(AliAODPWG4Particle * photon1, | |
389 | AliAODPWG4Particle * photon2, | |
390 | Int_t & label, Int_t & tag) | |
391 | { | |
392 | // Check the labels of pare in case mother was same pi0 or eta | |
393 | // Set the new AOD accordingly | |
394 | ||
395 | Int_t label1 = photon1->GetLabel(); | |
396 | Int_t label2 = photon2->GetLabel(); | |
397 | ||
398 | if(label1 < 0 || label2 < 0 ) return ; | |
399 | ||
400 | //Int_t tag1 = GetMCAnalysisUtils()->CheckOrigin(label1, GetReader(), photon1->GetInputFileIndex()); | |
401 | //Int_t tag2 = GetMCAnalysisUtils()->CheckOrigin(label2, GetReader(), photon2->GetInputFileIndex()); | |
402 | Int_t tag1 = photon1->GetTag(); | |
403 | Int_t tag2 = photon2->GetTag(); | |
404 | ||
405 | if(GetDebug() > 0) printf("AliAnaPi0EbE::MakeInvMassInCalorimeter() - Origin of: photon1 %d; photon2 %d \n",tag1, tag2); | |
406 | if( (GetMCAnalysisUtils()->CheckTagBit(tag1,AliMCAnalysisUtils::kMCPi0Decay) && | |
407 | GetMCAnalysisUtils()->CheckTagBit(tag2,AliMCAnalysisUtils::kMCPi0Decay) ) || | |
408 | (GetMCAnalysisUtils()->CheckTagBit(tag1,AliMCAnalysisUtils::kMCEtaDecay) && | |
409 | GetMCAnalysisUtils()->CheckTagBit(tag2,AliMCAnalysisUtils::kMCEtaDecay) ) | |
410 | ) | |
411 | { | |
412 | ||
413 | //Check if pi0/eta mother is the same | |
414 | if(GetReader()->ReadStack()) | |
415 | { | |
416 | if(label1>=0) | |
417 | { | |
418 | TParticle * mother1 = GetMCStack()->Particle(label1);//photon in kine tree | |
419 | label1 = mother1->GetFirstMother(); | |
420 | //mother1 = GetMCStack()->Particle(label1);//pi0 | |
421 | } | |
422 | if(label2>=0) | |
423 | { | |
424 | TParticle * mother2 = GetMCStack()->Particle(label2);//photon in kine tree | |
425 | label2 = mother2->GetFirstMother(); | |
426 | //mother2 = GetMCStack()->Particle(label2);//pi0 | |
427 | } | |
428 | } // STACK | |
429 | else if(GetReader()->ReadAODMCParticles()) | |
430 | {//&& (input > -1)){ | |
431 | if(label1>=0) | |
432 | { | |
433 | AliAODMCParticle * mother1 = (AliAODMCParticle *) (GetReader()->GetAODMCParticles(photon1->GetInputFileIndex()))->At(label1);//photon in kine tree | |
434 | label1 = mother1->GetMother(); | |
435 | //mother1 = GetMCStack()->Particle(label1);//pi0 | |
436 | } | |
437 | if(label2>=0) | |
438 | { | |
439 | AliAODMCParticle * mother2 = (AliAODMCParticle *) (GetReader()->GetAODMCParticles(photon2->GetInputFileIndex()))->At(label2);//photon in kine tree | |
440 | label2 = mother2->GetMother(); | |
441 | //mother2 = GetMCStack()->Particle(label2);//pi0 | |
442 | } | |
443 | }// AOD | |
444 | ||
445 | //printf("mother1 %d, mother2 %d\n",label1,label2); | |
446 | if( label1 == label2 && label1>=0 ) | |
447 | { | |
448 | ||
449 | label = label1; | |
450 | ||
451 | TLorentzVector mom1 = *(photon1->Momentum()); | |
452 | TLorentzVector mom2 = *(photon2->Momentum()); | |
453 | ||
454 | Double_t angle = mom2.Angle(mom1.Vect()); | |
455 | Double_t mass = (mom1+mom2).M(); | |
456 | Double_t epair = (mom1+mom2).E(); | |
457 | ||
458 | if(GetMCAnalysisUtils()->CheckTagBit(tag1,AliMCAnalysisUtils::kMCPi0Decay)) | |
459 | { | |
460 | fhMassPairMCPi0 ->Fill(epair,mass); | |
461 | fhAnglePairMCPi0->Fill(epair,angle); | |
462 | GetMCAnalysisUtils()->SetTagBit(tag,AliMCAnalysisUtils::kMCPi0); | |
463 | } | |
464 | else | |
465 | { | |
466 | fhMassPairMCEta ->Fill(epair,mass); | |
467 | fhAnglePairMCEta->Fill(epair,angle); | |
468 | GetMCAnalysisUtils()->SetTagBit(tag,AliMCAnalysisUtils::kMCEta); | |
469 | } | |
470 | ||
471 | } // same label | |
472 | } // both from eta or pi0 decay | |
473 | ||
474 | } | |
475 | ||
78a28af3 | 476 | //_____________________________________________ |
477d6cee | 477 | TList * AliAnaPi0EbE::GetCreateOutputObjects() |
478 | { | |
479 | // Create histograms to be saved in output file and | |
480 | // store them in outputContainer | |
481 | TList * outputContainer = new TList() ; | |
482 | outputContainer->SetName("Pi0EbEHistos") ; | |
483 | ||
745913ae | 484 | Int_t nptbins = GetHistogramRanges()->GetHistoPtBins(); Float_t ptmax = GetHistogramRanges()->GetHistoPtMax(); Float_t ptmin = GetHistogramRanges()->GetHistoPtMin(); |
485 | Int_t nphibins = GetHistogramRanges()->GetHistoPhiBins(); Float_t phimax = GetHistogramRanges()->GetHistoPhiMax(); Float_t phimin = GetHistogramRanges()->GetHistoPhiMin(); | |
486 | Int_t netabins = GetHistogramRanges()->GetHistoEtaBins(); Float_t etamax = GetHistogramRanges()->GetHistoEtaMax(); Float_t etamin = GetHistogramRanges()->GetHistoEtaMin(); | |
487 | Int_t ssbins = GetHistogramRanges()->GetHistoShowerShapeBins(); Float_t ssmax = GetHistogramRanges()->GetHistoShowerShapeMax(); Float_t ssmin = GetHistogramRanges()->GetHistoShowerShapeMin(); | |
488 | Int_t tdbins = GetHistogramRanges()->GetHistoDiffTimeBins() ; Float_t tdmax = GetHistogramRanges()->GetHistoDiffTimeMax(); Float_t tdmin = GetHistogramRanges()->GetHistoDiffTimeMin(); | |
489 | Int_t tbins = GetHistogramRanges()->GetHistoTimeBins() ; Float_t tmax = GetHistogramRanges()->GetHistoTimeMax(); Float_t tmin = GetHistogramRanges()->GetHistoTimeMin(); | |
490 | Int_t nbins = GetHistogramRanges()->GetHistoNClusterCellBins(); Int_t nmax = GetHistogramRanges()->GetHistoNClusterCellMax(); Int_t nmin = GetHistogramRanges()->GetHistoNClusterCellMin(); | |
42d47cb7 | 491 | |
b5dbb99b | 492 | Int_t nmassbins = GetHistogramRanges()->GetHistoMassBins(); |
493 | Float_t massmin = GetHistogramRanges()->GetHistoMassMin(); | |
494 | Float_t massmax = GetHistogramRanges()->GetHistoMassMax(); | |
495 | ||
09273901 | 496 | Int_t nresetabins = GetHistogramRanges()->GetHistoTrackResidualEtaBins(); |
497 | Float_t resetamax = GetHistogramRanges()->GetHistoTrackResidualEtaMax(); | |
498 | Float_t resetamin = GetHistogramRanges()->GetHistoTrackResidualEtaMin(); | |
499 | Int_t nresphibins = GetHistogramRanges()->GetHistoTrackResidualPhiBins(); | |
500 | Float_t resphimax = GetHistogramRanges()->GetHistoTrackResidualPhiMax(); | |
501 | Float_t resphimin = GetHistogramRanges()->GetHistoTrackResidualPhiMin(); | |
502 | ||
31ae6d59 | 503 | Int_t ndedxbins = GetHistogramRanges()->GetHistodEdxBins(); |
504 | Float_t dedxmax = GetHistogramRanges()->GetHistodEdxMax(); | |
505 | Float_t dedxmin = GetHistogramRanges()->GetHistodEdxMin(); | |
506 | Int_t nPoverEbins = GetHistogramRanges()->GetHistoPOverEBins(); | |
507 | Float_t pOverEmax = GetHistogramRanges()->GetHistoPOverEMax(); | |
508 | Float_t pOverEmin = GetHistogramRanges()->GetHistoPOverEMin(); | |
509 | ||
510 | ||
b9947879 | 511 | fhPt = new TH1F("hPt","Number of identified #pi^{0} (#eta) decay",nptbins,ptmin,ptmax); |
09273901 | 512 | fhPt->SetYTitle("N"); |
9fb80477 | 513 | fhPt->SetXTitle("p_{T} (GeV/c)"); |
09273901 | 514 | outputContainer->Add(fhPt) ; |
515 | ||
b9947879 | 516 | fhE = new TH1F("hE","Number of identified #pi^{0} (#eta) decay pairs",nptbins,ptmin,ptmax); |
09273901 | 517 | fhE->SetYTitle("N"); |
b9947879 | 518 | fhE->SetXTitle("E (GeV)"); |
09273901 | 519 | outputContainer->Add(fhE) ; |
520 | ||
521 | fhEPhi = new TH2F | |
b9947879 | 522 | ("hEPhi","Selected #pi^{0} (#eta) pairs: E vs #phi",nptbins,ptmin,ptmax, nphibins,phimin,phimax); |
523 | fhEPhi->SetYTitle("#phi (rad)"); | |
524 | fhEPhi->SetXTitle("E (GeV)"); | |
09273901 | 525 | outputContainer->Add(fhEPhi) ; |
526 | ||
527 | fhEEta = new TH2F | |
b9947879 | 528 | ("hEEta","Selected #pi^{0} (#eta) pairs: E vs #eta",nptbins,ptmin,ptmax,netabins,etamin,etamax); |
529 | fhEEta->SetYTitle("#eta"); | |
9fb80477 | 530 | fhEEta->SetXTitle("E (GeV)"); |
09273901 | 531 | outputContainer->Add(fhEEta) ; |
532 | ||
533 | fhEtaPhi = new TH2F | |
b9947879 | 534 | ("hEtaPhi","Selected #pi^{0} (#eta) pairs: #eta vs #phi",netabins,etamin,etamax, nphibins,phimin,phimax); |
535 | fhEtaPhi->SetYTitle("#phi (rad)"); | |
536 | fhEtaPhi->SetXTitle("#eta"); | |
09273901 | 537 | outputContainer->Add(fhEtaPhi) ; |
538 | ||
b9947879 | 539 | fhPtDecay = new TH1F("hPtDecay","Number of identified #pi^{0} (#eta) decay photons",nptbins,ptmin,ptmax); |
09273901 | 540 | fhPtDecay->SetYTitle("N"); |
b9947879 | 541 | fhPtDecay->SetXTitle("p_{T} (GeV/c)"); |
09273901 | 542 | outputContainer->Add(fhPtDecay) ; |
543 | ||
b9947879 | 544 | fhEDecay = new TH1F("hEDecay","Number of identified #pi^{0} (#eta) decay photons",nptbins,ptmin,ptmax); |
09273901 | 545 | fhEDecay->SetYTitle("N"); |
b9947879 | 546 | fhEDecay->SetXTitle("E (GeV)"); |
09273901 | 547 | outputContainer->Add(fhEDecay) ; |
57b97dc6 | 548 | |
c4a7d28a | 549 | //////// |
57b97dc6 | 550 | |
b5dbb99b | 551 | if(fAnaType == kIMCalo || fAnaType == kIMCaloTracks ) |
552 | { | |
c4a7d28a | 553 | |
521636d2 | 554 | fhEDispersion = new TH2F |
b9947879 | 555 | ("hEDispersion","Selected #pi^{0} (#eta) pairs: E vs dispersion",nptbins,ptmin,ptmax,ssbins,ssmin,ssmax); |
521636d2 | 556 | fhEDispersion->SetYTitle("D^{2}"); |
557 | fhEDispersion->SetXTitle("E (GeV)"); | |
558 | outputContainer->Add(fhEDispersion) ; | |
559 | ||
560 | fhELambda0 = new TH2F | |
b9947879 | 561 | ("hELambda0","Selected #pi^{0} (#eta) pairs: E vs #lambda_{0}",nptbins,ptmin,ptmax,ssbins,ssmin,ssmax); |
521636d2 | 562 | fhELambda0->SetYTitle("#lambda_{0}^{2}"); |
563 | fhELambda0->SetXTitle("E (GeV)"); | |
564 | outputContainer->Add(fhELambda0) ; | |
3bfcb597 | 565 | |
42d47cb7 | 566 | fhELambda1 = new TH2F |
b9947879 | 567 | ("hELambda1","Selected #pi^{0} (#eta) pairs: E vs #lambda_{1}",nptbins,ptmin,ptmax,ssbins,ssmin,ssmax); |
42d47cb7 | 568 | fhELambda1->SetYTitle("#lambda_{1}^{2}"); |
569 | fhELambda1->SetXTitle("E (GeV)"); | |
570 | outputContainer->Add(fhELambda1) ; | |
571 | ||
3bfcb597 | 572 | fhELambda0FracMaxCellCut = new TH2F |
b9947879 | 573 | ("hELambda0FracMaxCellCut","Selected #pi^{0} (#eta) pairs: E vs #lambda_{0}, Max cell fraction of energy < 0.5",nptbins,ptmin,ptmax,ssbins,ssmin,ssmax); |
3bfcb597 | 574 | fhELambda0FracMaxCellCut->SetYTitle("#lambda_{0}^{2}"); |
575 | fhELambda0FracMaxCellCut->SetXTitle("E (GeV)"); | |
576 | outputContainer->Add(fhELambda0FracMaxCellCut) ; | |
577 | ||
578 | fhEFracMaxCell = new TH2F | |
b9947879 | 579 | ("hEFracMaxCell","Selected #pi^{0} (#eta) pairs: E vs #lambda_{0}, Max cell fraction of energy",nptbins,ptmin,ptmax,100,0,1); |
3bfcb597 | 580 | fhEFracMaxCell->SetYTitle("Fraction"); |
581 | fhEFracMaxCell->SetXTitle("E (GeV)"); | |
582 | outputContainer->Add(fhEFracMaxCell) ; | |
583 | ||
584 | if(fCalorimeter=="EMCAL"){ | |
585 | fhELambda0NoTRD = new TH2F | |
b9947879 | 586 | ("hELambda0NoTRD","Selected #pi^{0} (#eta) pairs: E vs #lambda_{0}, not behind TRD",nptbins,ptmin,ptmax,ssbins,ssmin,ssmax); |
3bfcb597 | 587 | fhELambda0NoTRD->SetYTitle("#lambda_{0}^{2}"); |
588 | fhELambda0NoTRD->SetXTitle("E (GeV)"); | |
589 | outputContainer->Add(fhELambda0NoTRD) ; | |
590 | ||
591 | fhEFracMaxCellNoTRD = new TH2F | |
b9947879 | 592 | ("hEFracMaxCellNoTRD","Selected #pi^{0} (#eta) pairs: E vs #lambda_{0}, Max cell fraction of energy, not behind TRD",nptbins,ptmin,ptmax,100,0,1); |
3bfcb597 | 593 | fhEFracMaxCellNoTRD->SetYTitle("Fraction"); |
594 | fhEFracMaxCellNoTRD->SetXTitle("E (GeV)"); | |
595 | outputContainer->Add(fhEFracMaxCellNoTRD) ; | |
596 | } | |
521636d2 | 597 | |
42d47cb7 | 598 | fhENCells = new TH2F ("hENCells","N cells in cluster vs E ", nptbins,ptmin,ptmax, nbins,nmin,nmax); |
599 | fhENCells->SetXTitle("E (GeV)"); | |
600 | fhENCells->SetYTitle("# of cells in cluster"); | |
601 | outputContainer->Add(fhENCells); | |
602 | ||
603 | fhETime = new TH2F("hETime","cluster time vs pair E",nptbins,ptmin,ptmax, tbins,tmin,tmax); | |
604 | fhETime->SetXTitle("E (GeV)"); | |
9fb80477 | 605 | fhETime->SetYTitle("t (ns)"); |
42d47cb7 | 606 | outputContainer->Add(fhETime); |
521636d2 | 607 | |
e7fd282f | 608 | }// Invariant mass analysis in calorimeters and calorimeter + conversion photons |
609 | ||
610 | if(fAnaType == kIMCalo){ | |
42d47cb7 | 611 | fhEPairDiffTime = new TH2F("hEPairDiffTime","cluster pair time difference vs E",nptbins,ptmin,ptmax, tdbins,tdmin,tdmax); |
612 | fhEPairDiffTime->SetXTitle("E_{pair} (GeV)"); | |
613 | fhEPairDiffTime->SetYTitle("#Delta t (ns)"); | |
614 | outputContainer->Add(fhEPairDiffTime); | |
e7fd282f | 615 | } |
477d6cee | 616 | |
b5dbb99b | 617 | if(fFillTMHisto) |
618 | { | |
09273901 | 619 | fhTrackMatchedDEta = new TH2F |
31ae6d59 | 620 | ("hTrackMatchedDEta", |
09273901 | 621 | "d#eta of cluster-track vs cluster energy", |
622 | nptbins,ptmin,ptmax,nresetabins,resetamin,resetamax); | |
623 | fhTrackMatchedDEta->SetYTitle("d#eta"); | |
624 | fhTrackMatchedDEta->SetXTitle("E_{cluster} (GeV)"); | |
625 | ||
626 | fhTrackMatchedDPhi = new TH2F | |
31ae6d59 | 627 | ("hTrackMatchedDPhi", |
09273901 | 628 | "d#phi of cluster-track vs cluster energy", |
629 | nptbins,ptmin,ptmax,nresphibins,resphimin,resphimax); | |
630 | fhTrackMatchedDPhi->SetYTitle("d#phi (rad)"); | |
631 | fhTrackMatchedDPhi->SetXTitle("E_{cluster} (GeV)"); | |
632 | ||
633 | fhTrackMatchedDEtaDPhi = new TH2F | |
31ae6d59 | 634 | ("hTrackMatchedDEtaDPhi", |
09273901 | 635 | "d#eta vs d#phi of cluster-track vs cluster energy", |
636 | nresetabins,resetamin,resetamax,nresphibins,resphimin,resphimax); | |
637 | fhTrackMatchedDEtaDPhi->SetYTitle("d#phi (rad)"); | |
638 | fhTrackMatchedDEtaDPhi->SetXTitle("d#eta"); | |
639 | ||
640 | outputContainer->Add(fhTrackMatchedDEta) ; | |
641 | outputContainer->Add(fhTrackMatchedDPhi) ; | |
642 | outputContainer->Add(fhTrackMatchedDEtaDPhi) ; | |
31ae6d59 | 643 | |
644 | fhdEdx = new TH2F ("hdEdx","matched track <dE/dx> vs cluster E ", nptbins,ptmin,ptmax,ndedxbins, dedxmin, dedxmax); | |
645 | fhdEdx->SetXTitle("E (GeV)"); | |
646 | fhdEdx->SetYTitle("<dE/dx>"); | |
647 | outputContainer->Add(fhdEdx); | |
648 | ||
649 | fhEOverP = new TH2F ("hEOverP","matched track E/p vs cluster E ", nptbins,ptmin,ptmax,nPoverEbins,pOverEmin,pOverEmax); | |
650 | fhEOverP->SetXTitle("E (GeV)"); | |
651 | fhEOverP->SetYTitle("E/p"); | |
b5dbb99b | 652 | outputContainer->Add(fhEOverP); |
653 | ||
654 | if(fCalorimeter=="EMCAL") | |
655 | { | |
656 | fhEOverPNoTRD = new TH2F ("hEOverPNoTRD","matched track E/p vs cluster E, SM not behind TRD ", nptbins,ptmin,ptmax,nPoverEbins,pOverEmin,pOverEmax); | |
657 | fhEOverPNoTRD->SetXTitle("E (GeV)"); | |
658 | fhEOverPNoTRD->SetYTitle("E/p"); | |
659 | outputContainer->Add(fhEOverPNoTRD); | |
660 | } | |
31ae6d59 | 661 | |
662 | if(IsDataMC()) | |
663 | { | |
664 | fhTrackMatchedMCParticle = new TH2F | |
665 | ("hTrackMatchedMCParticle", | |
666 | "Origin of particle vs energy", | |
667 | nptbins,ptmin,ptmax,8,0,8); | |
668 | fhTrackMatchedMCParticle->SetXTitle("E (GeV)"); | |
669 | //fhTrackMatchedMCParticle->SetYTitle("Particle type"); | |
670 | ||
671 | fhTrackMatchedMCParticle->GetYaxis()->SetBinLabel(1 ,"Photon"); | |
672 | fhTrackMatchedMCParticle->GetYaxis()->SetBinLabel(2 ,"Electron"); | |
673 | fhTrackMatchedMCParticle->GetYaxis()->SetBinLabel(3 ,"Meson Merged"); | |
674 | fhTrackMatchedMCParticle->GetYaxis()->SetBinLabel(4 ,"Rest"); | |
675 | fhTrackMatchedMCParticle->GetYaxis()->SetBinLabel(5 ,"Conv. Photon"); | |
676 | fhTrackMatchedMCParticle->GetYaxis()->SetBinLabel(6 ,"Conv. Electron"); | |
677 | fhTrackMatchedMCParticle->GetYaxis()->SetBinLabel(7 ,"Conv. Merged"); | |
678 | fhTrackMatchedMCParticle->GetYaxis()->SetBinLabel(8 ,"Conv. Rest"); | |
679 | ||
680 | outputContainer->Add(fhTrackMatchedMCParticle); | |
681 | } | |
09273901 | 682 | } |
683 | ||
b5dbb99b | 684 | if(fFillWeightHistograms) |
685 | { | |
78a28af3 | 686 | |
687 | fhECellClusterRatio = new TH2F ("hECellClusterRatio"," cell energy / cluster energy vs cluster energy, for selected decay photons from neutral meson", | |
688 | nptbins,ptmin,ptmax, 100,0,1.); | |
689 | fhECellClusterRatio->SetXTitle("E_{cluster} (GeV) "); | |
690 | fhECellClusterRatio->SetYTitle("E_{cell i}/E_{cluster}"); | |
691 | outputContainer->Add(fhECellClusterRatio); | |
692 | ||
693 | fhECellClusterLogRatio = new TH2F ("hECellClusterLogRatio"," Log(cell energy / cluster energy) vs cluster energy, for selected decay photons from neutral meson", | |
1a72f6c5 | 694 | nptbins,ptmin,ptmax, 100,-10,0); |
78a28af3 | 695 | fhECellClusterLogRatio->SetXTitle("E_{cluster} (GeV) "); |
1a72f6c5 | 696 | fhECellClusterLogRatio->SetYTitle("Log (E_{max cell}/E_{cluster})"); |
78a28af3 | 697 | outputContainer->Add(fhECellClusterLogRatio); |
698 | ||
699 | fhEMaxCellClusterRatio = new TH2F ("hEMaxCellClusterRatio"," max cell energy / cluster energy vs cluster energy, for selected decay photons from neutral meson", | |
700 | nptbins,ptmin,ptmax, 100,0,1.); | |
701 | fhEMaxCellClusterRatio->SetXTitle("E_{cluster} (GeV) "); | |
702 | fhEMaxCellClusterRatio->SetYTitle("E_{max cell}/E_{cluster}"); | |
703 | outputContainer->Add(fhEMaxCellClusterRatio); | |
704 | ||
705 | fhEMaxCellClusterLogRatio = new TH2F ("hEMaxCellClusterLogRatio"," Log(max cell energy / cluster energy) vs cluster energy, for selected decay photons from neutral meson", | |
1a72f6c5 | 706 | nptbins,ptmin,ptmax, 100,-10,0); |
78a28af3 | 707 | fhEMaxCellClusterLogRatio->SetXTitle("E_{cluster} (GeV) "); |
1a72f6c5 | 708 | fhEMaxCellClusterLogRatio->SetYTitle("Log (E_{max cell}/E_{cluster})"); |
78a28af3 | 709 | outputContainer->Add(fhEMaxCellClusterLogRatio); |
710 | ||
b5dbb99b | 711 | for(Int_t iw = 0; iw < 14; iw++) |
712 | { | |
1a72f6c5 | 713 | fhLambda0ForW0[iw] = new TH2F (Form("hLambda0ForW0%d",iw),Form("shower shape, #lambda^{2}_{0} vs E, w0 = %1.1f, for selected decay photons from neutral meson",1+0.5*iw), |
78a28af3 | 714 | nptbins,ptmin,ptmax,ssbins,ssmin,ssmax); |
715 | fhLambda0ForW0[iw]->SetXTitle("E_{cluster}"); | |
716 | fhLambda0ForW0[iw]->SetYTitle("#lambda^{2}_{0}"); | |
717 | outputContainer->Add(fhLambda0ForW0[iw]); | |
718 | ||
1a72f6c5 | 719 | // fhLambda1ForW0[iw] = new TH2F (Form("hLambda1ForW0%d",iw),Form("shower shape, #lambda^{2}_{1} vs E, w0 = %1.1f, for selected decay photons from neutral meson",0.5+0.5*iw), |
720 | // nptbins,ptmin,ptmax,ssbins,ssmin,ssmax); | |
721 | // fhLambda1ForW0[iw]->SetXTitle("E_{cluster}"); | |
722 | // fhLambda1ForW0[iw]->SetYTitle("#lambda^{2}_{1}"); | |
723 | // outputContainer->Add(fhLambda1ForW0[iw]); | |
78a28af3 | 724 | |
725 | } | |
726 | } | |
727 | ||
b5dbb99b | 728 | if(IsDataMC()) |
729 | { | |
477d6cee | 730 | if((GetReader()->GetDataType() == AliCaloTrackReader::kMC && fAnaType!=kSSCalo) || |
b5dbb99b | 731 | GetReader()->GetDataType() != AliCaloTrackReader::kMC) |
732 | { | |
477d6cee | 733 | |
b9947879 | 734 | fhPtMC = new TH1F("hPtMC","Identified #pi^{0} (#eta) from #pi^{0} (#eta)",nptbins,ptmin,ptmax); |
09273901 | 735 | fhPtMC->SetYTitle("N"); |
9fb80477 | 736 | fhPtMC->SetXTitle("p_{T} (GeV/c)"); |
09273901 | 737 | outputContainer->Add(fhPtMC) ; |
477d6cee | 738 | |
09273901 | 739 | fhPhiMC = new TH2F |
b9947879 | 740 | ("hPhiMC","Identified #pi^{0} (#eta) from #pi^{0} (#eta)",nptbins,ptmin,ptmax,nphibins,phimin,phimax); |
09273901 | 741 | fhPhiMC->SetYTitle("#phi"); |
b9947879 | 742 | fhPhiMC->SetXTitle("p_{T} (GeV/c)"); |
09273901 | 743 | outputContainer->Add(fhPhiMC) ; |
477d6cee | 744 | |
09273901 | 745 | fhEtaMC = new TH2F |
b9947879 | 746 | ("hEtaMC","Identified #pi^{0} (#eta) from #pi^{0} (#eta)",nptbins,ptmin,ptmax,netabins,etamin,etamax); |
09273901 | 747 | fhEtaMC->SetYTitle("#eta"); |
b9947879 | 748 | fhEtaMC->SetXTitle("p_{T} (GeV/c)"); |
09273901 | 749 | outputContainer->Add(fhEtaMC) ; |
477d6cee | 750 | |
b9947879 | 751 | fhPtMCNo = new TH1F("hPtMCNo","Identified #pi^{0} (#eta) not from #pi^{0} (#eta)",nptbins,ptmin,ptmax); |
09273901 | 752 | fhPtMCNo->SetYTitle("N"); |
9fb80477 | 753 | fhPtMCNo->SetXTitle("p_{T} (GeV/c)"); |
09273901 | 754 | outputContainer->Add(fhPtMCNo) ; |
477d6cee | 755 | |
09273901 | 756 | fhPhiMCNo = new TH2F |
b9947879 | 757 | ("hPhiMCNo","Identified #pi^{0} (#eta) not from #pi^{0} (#eta)",nptbins,ptmin,ptmax,nphibins,phimin,phimax); |
09273901 | 758 | fhPhiMCNo->SetYTitle("#phi"); |
b9947879 | 759 | fhPhiMCNo->SetXTitle("p_{T} (GeV/c)"); |
09273901 | 760 | outputContainer->Add(fhPhiMCNo) ; |
477d6cee | 761 | |
09273901 | 762 | fhEtaMCNo = new TH2F |
b9947879 | 763 | ("hEtaMCNo","Identified #pi^{0} (#eta) not from #pi^{0} (#eta)",nptbins,ptmin,ptmax,netabins,etamin,etamax); |
09273901 | 764 | fhEtaMCNo->SetYTitle("#eta"); |
b9947879 | 765 | fhEtaMCNo->SetXTitle("p_{T} (GeV/c)"); |
09273901 | 766 | outputContainer->Add(fhEtaMCNo) ; |
477d6cee | 767 | |
b5dbb99b | 768 | fhAnglePairMCPi0 = new TH2F |
769 | ("AnglePairMCPi0", | |
770 | "Angle between decay #gamma pair vs E_{pair}, origin #pi^{0}",nptbins,ptmin,ptmax,250,0,0.5); | |
771 | fhAnglePairMCPi0->SetYTitle("#alpha (rad)"); | |
772 | fhAnglePairMCPi0->SetXTitle("E_{pair} (GeV)"); | |
773 | outputContainer->Add(fhAnglePairMCPi0) ; | |
774 | ||
775 | fhAnglePairMCEta = new TH2F | |
776 | ("AnglePairMCEta", | |
777 | "Angle between decay #gamma pair vs E_{pair}, origin #eta",nptbins,ptmin,ptmax,250,0,0.5); | |
778 | fhAnglePairMCEta->SetYTitle("#alpha (rad)"); | |
779 | fhAnglePairMCEta->SetXTitle("E_{pair} (GeV)"); | |
780 | outputContainer->Add(fhAnglePairMCEta) ; | |
781 | ||
782 | fhMassPairMCPi0 = new TH2F | |
783 | ("MassPairMCPi0", | |
784 | "Mass for decay #gamma pair vs E_{pair}, origin #pi^{0}",nptbins,ptmin,ptmax,nmassbins,massmin,massmax); | |
785 | fhMassPairMCPi0->SetYTitle("#alpha (rad)"); | |
786 | fhMassPairMCPi0->SetXTitle("E_{pair} (GeV)"); | |
787 | outputContainer->Add(fhMassPairMCPi0) ; | |
788 | ||
789 | fhMassPairMCEta = new TH2F | |
790 | ("MassPairMCEta", | |
791 | "Mass for decay #gamma pair vs E_{pair}, origin #eta",nptbins,ptmin,ptmax,nmassbins,massmin,massmax); | |
792 | fhMassPairMCEta->SetYTitle("#alpha (rad)"); | |
793 | fhMassPairMCEta->SetXTitle("E_{pair} (GeV)"); | |
794 | outputContainer->Add(fhMassPairMCEta) ; | |
795 | ||
c4a7d28a | 796 | if(fAnaType == kIMCalo){ |
6db946bd | 797 | TString ptype[] ={"#gamma","#gamma->e^{#pm}","#pi^{0}","#eta","e^{#pm}", "hadron"}; |
b9947879 | 798 | TString pname[] ={"Photon","Conversion", "Pi0", "Eta", "Electron","Hadron"}; |
6db946bd | 799 | for(Int_t i = 0; i < 6; i++){ |
521636d2 | 800 | |
801 | fhEMCLambda0[i] = new TH2F(Form("hELambda0_MC%s",pname[i].Data()), | |
802 | Form("Selected pair, cluster from %s : E vs #lambda_{0}^{2}",ptype[i].Data()), | |
803 | nptbins,ptmin,ptmax,ssbins,ssmin,ssmax); | |
804 | fhEMCLambda0[i]->SetYTitle("#lambda_{0}^{2}"); | |
805 | fhEMCLambda0[i]->SetXTitle("E (GeV)"); | |
806 | outputContainer->Add(fhEMCLambda0[i]) ; | |
807 | ||
3bfcb597 | 808 | if(fCalorimeter=="EMCAL"){ |
809 | fhEMCLambda0NoTRD[i] = new TH2F(Form("hELambda0NoTRD_MC%s",pname[i].Data()), | |
810 | Form("Selected pair, cluster from %s : E vs #lambda_{0}^{2}, NoTRD",ptype[i].Data()), | |
811 | nptbins,ptmin,ptmax,ssbins,ssmin,ssmax); | |
812 | fhEMCLambda0NoTRD[i]->SetYTitle("#lambda_{0}^{2}"); | |
813 | fhEMCLambda0NoTRD[i]->SetXTitle("E (GeV)"); | |
814 | outputContainer->Add(fhEMCLambda0NoTRD[i]) ; | |
815 | } | |
816 | ||
817 | fhEMCLambda0FracMaxCellCut[i] = new TH2F(Form("hELambda0FracMaxCellCut_MC%s",pname[i].Data()), | |
818 | Form("Selected pair, cluster from %s : E vs #lambda_{0}^{2}, Max cell fraction of energy < 0.5 ",ptype[i].Data()), | |
819 | nptbins,ptmin,ptmax,ssbins,ssmin,ssmax); | |
820 | fhEMCLambda0FracMaxCellCut[i]->SetYTitle("#lambda_{0}^{2}"); | |
821 | fhEMCLambda0FracMaxCellCut[i]->SetXTitle("E (GeV)"); | |
822 | outputContainer->Add(fhEMCLambda0FracMaxCellCut[i]) ; | |
823 | ||
824 | fhEMCFracMaxCell[i] = new TH2F(Form("hEFracMaxCell_MC%s",pname[i].Data()), | |
825 | Form("Selected pair, cluster from %s : E vs Max cell fraction of energy",ptype[i].Data()), | |
826 | nptbins,ptmin,ptmax,100,0,1); | |
827 | fhEMCFracMaxCell[i]->SetYTitle("Fraction"); | |
828 | fhEMCFracMaxCell[i]->SetXTitle("E (GeV)"); | |
829 | outputContainer->Add(fhEMCFracMaxCell[i]) ; | |
830 | ||
521636d2 | 831 | fhEMCLambda1[i] = new TH2F(Form("hELambda1_MC%s",pname[i].Data()), |
832 | Form("Selected pair, cluster from %s : E vs #lambda_{1}^{2}",ptype[i].Data()), | |
833 | nptbins,ptmin,ptmax,ssbins,ssmin,ssmax); | |
834 | fhEMCLambda1[i]->SetYTitle("#lambda_{1}^{2}"); | |
835 | fhEMCLambda1[i]->SetXTitle("E (GeV)"); | |
836 | outputContainer->Add(fhEMCLambda1[i]) ; | |
7c65ad18 | 837 | |
521636d2 | 838 | fhEMCDispersion[i] = new TH2F(Form("hEDispersion_MC%s",pname[i].Data()), |
839 | Form("Selected pair, cluster from %s : E vs dispersion^{2}",ptype[i].Data()), | |
840 | nptbins,ptmin,ptmax,ssbins,ssmin,ssmax); | |
841 | fhEMCDispersion[i]->SetYTitle("D^{2}"); | |
842 | fhEMCDispersion[i]->SetXTitle("E (GeV)"); | |
843 | outputContainer->Add(fhEMCDispersion[i]) ; | |
7c65ad18 | 844 | |
521636d2 | 845 | }// |
c4a7d28a | 846 | |
847 | }//kIMCalo | |
521636d2 | 848 | } //Not MC reader |
477d6cee | 849 | }//Histos with MC |
850 | ||
851 | ||
852 | //Keep neutral meson selection histograms if requiered | |
853 | //Setting done in AliNeutralMesonSelection | |
854 | ||
855 | if(fAnaType!=kSSCalo && GetNeutralMesonSelection()){ | |
856 | ||
857 | TList * nmsHistos = GetNeutralMesonSelection()->GetCreateOutputObjects() ; | |
858 | if(GetNeutralMesonSelection()->AreNeutralMesonSelectionHistosKept()) | |
859 | for(Int_t i = 0; i < nmsHistos->GetEntries(); i++) outputContainer->Add(nmsHistos->At(i)) ; | |
5ae09196 | 860 | delete nmsHistos; |
a14fd526 | 861 | |
477d6cee | 862 | } |
863 | ||
477d6cee | 864 | return outputContainer ; |
865 | ||
866 | } | |
867 | ||
521636d2 | 868 | //____________________________________________________________________________ |
869 | void AliAnaPi0EbE::Init() | |
870 | { | |
871 | //Init | |
872 | //Do some checks | |
873 | if(fCalorimeter == "PHOS" && !GetReader()->IsPHOSSwitchedOn() && NewOutputAOD()){ | |
874 | printf("AliAnaPi0EbE::Init() - !!STOP: You want to use PHOS in analysis but it is not read!! \n!!Check the configuration file!!\n"); | |
875 | abort(); | |
876 | } | |
877 | else if(fCalorimeter == "EMCAL" && !GetReader()->IsEMCALSwitchedOn() && NewOutputAOD()){ | |
878 | printf("AliAnaPi0EbE::Init() - !!STOP: You want to use EMCAL in analysis but it is not read!! \n!!Check the configuration file!!\n"); | |
879 | abort(); | |
880 | } | |
881 | ||
882 | } | |
883 | ||
884 | //____________________________________________________________________________ | |
885 | void AliAnaPi0EbE::InitParameters() | |
886 | { | |
887 | //Initialize the parameters of the analysis. | |
888 | AddToHistogramsName("AnaPi0EbE_"); | |
889 | ||
1db06135 | 890 | fInputAODGammaConvName = "PhotonsCTS" ; |
521636d2 | 891 | fAnaType = kIMCalo ; |
892 | fCalorimeter = "EMCAL" ; | |
893 | fMinDist = 2.; | |
894 | fMinDist2 = 4.; | |
895 | fMinDist3 = 5.; | |
896 | ||
897 | } | |
898 | ||
477d6cee | 899 | //__________________________________________________________________ |
900 | void AliAnaPi0EbE::MakeAnalysisFillAOD() | |
901 | { | |
902 | //Do analysis and fill aods | |
903 | ||
904 | switch(fAnaType) | |
521636d2 | 905 | { |
477d6cee | 906 | case kIMCalo: |
907 | MakeInvMassInCalorimeter(); | |
908 | break; | |
909 | ||
910 | case kSSCalo: | |
911 | MakeShowerShapeIdentification(); | |
912 | break; | |
913 | ||
914 | case kIMCaloTracks: | |
915 | MakeInvMassInCalorimeterAndCTS(); | |
916 | break; | |
917 | ||
521636d2 | 918 | } |
477d6cee | 919 | } |
920 | ||
42d47cb7 | 921 | //____________________________________________ |
477d6cee | 922 | void AliAnaPi0EbE::MakeInvMassInCalorimeter() |
923 | { | |
57b97dc6 | 924 | //Do analysis and fill aods |
925 | //Search for the photon decay in calorimeters | |
926 | //Read photon list from AOD, produced in class AliAnaPhoton | |
927 | //Check if 2 photons have the mass of the pi0. | |
477d6cee | 928 | |
929 | TLorentzVector mom1; | |
930 | TLorentzVector mom2; | |
931 | TLorentzVector mom ; | |
b5dbb99b | 932 | |
933 | Int_t tag = 0; | |
934 | Int_t label = 0; | |
477d6cee | 935 | |
936 | if(!GetInputAODBranch()){ | |
a3aebfff | 937 | printf("AliAnaPi0EbE::MakeInvMassInCalorimeter() - No input calo photons in AOD with name branch < %s >, STOP \n",GetInputAODName().Data()); |
477d6cee | 938 | abort(); |
939 | } | |
f8006433 | 940 | |
42d47cb7 | 941 | //Get shower shape information of clusters |
942 | TObjArray *clusters = 0; | |
943 | if (fCalorimeter=="EMCAL") clusters = GetEMCALClusters(); | |
944 | else if(fCalorimeter=="PHOS") clusters = GetPHOSClusters() ; | |
945 | ||
c4a7d28a | 946 | for(Int_t iphoton = 0; iphoton < GetInputAODBranch()->GetEntriesFast()-1; iphoton++){ |
477d6cee | 947 | AliAODPWG4Particle * photon1 = (AliAODPWG4Particle*) (GetInputAODBranch()->At(iphoton)); |
c8fe2783 | 948 | |
c4a7d28a | 949 | //Vertex cut in case of mixed events |
c8fe2783 | 950 | Int_t evtIndex1 = 0 ; |
951 | if(GetMixedEvent()) | |
952 | evtIndex1 = GetMixedEvent()->EventIndexForCaloCluster(photon1->GetCaloLabel(0)) ; | |
5025c139 | 953 | if(TMath::Abs(GetVertex(evtIndex1)[2]) > GetZvertexCut()) continue ; //vertex cut |
477d6cee | 954 | mom1 = *(photon1->Momentum()); |
955 | ||
42d47cb7 | 956 | //Get original cluster, to recover some information |
1db06135 | 957 | Int_t iclus = -1; |
958 | AliVCluster *cluster1 = FindCluster(clusters,photon1->GetCaloLabel(0),iclus); | |
42d47cb7 | 959 | |
1db06135 | 960 | if(!cluster1){ |
42d47cb7 | 961 | printf("AliAnaPi0EbE::MakeInvMassInCalorimeter() - First cluster not found\n"); |
962 | return; | |
9ab9e937 | 963 | } |
c4a7d28a | 964 | |
b5dbb99b | 965 | for(Int_t jphoton = iphoton+1; jphoton < GetInputAODBranch()->GetEntriesFast(); jphoton++) |
966 | { | |
a3aebfff | 967 | AliAODPWG4Particle * photon2 = (AliAODPWG4Particle*) (GetInputAODBranch()->At(jphoton)); |
b5dbb99b | 968 | |
c8fe2783 | 969 | Int_t evtIndex2 = 0 ; |
970 | if(GetMixedEvent()) | |
971 | evtIndex2 = GetMixedEvent()->EventIndexForCaloCluster(photon2->GetCaloLabel(0)) ; | |
b5dbb99b | 972 | |
c8fe2783 | 973 | if(GetMixedEvent() && (evtIndex1 == evtIndex2)) |
974 | continue ; | |
b5dbb99b | 975 | |
5025c139 | 976 | if(TMath::Abs(GetVertex(evtIndex2)[2]) > GetZvertexCut()) continue ; //vertex cut |
b5dbb99b | 977 | |
477d6cee | 978 | mom2 = *(photon2->Momentum()); |
c4a7d28a | 979 | |
1db06135 | 980 | //Get original cluster, to recover some information |
981 | Int_t iclus2; | |
982 | AliVCluster *cluster2 = FindCluster(clusters,photon2->GetCaloLabel(0),iclus2,iclus+1); | |
42d47cb7 | 983 | |
b5dbb99b | 984 | if(!cluster2) |
985 | { | |
42d47cb7 | 986 | printf("AliAnaPi0EbE::MakeInvMassInCalorimeter() - Second cluster not found\n"); |
1db06135 | 987 | return; |
9ab9e937 | 988 | } |
c4a7d28a | 989 | |
42d47cb7 | 990 | Float_t e1 = photon1->E(); |
991 | Float_t e2 = photon2->E(); | |
992 | ||
993 | //Select clusters with good time window difference | |
994 | Float_t tof1 = cluster1->GetTOF()*1e9;; | |
995 | Float_t tof2 = cluster2->GetTOF()*1e9;; | |
996 | Double_t t12diff = tof1-tof2; | |
997 | fhEPairDiffTime->Fill(e1+e2, t12diff); | |
998 | if(TMath::Abs(t12diff) > GetPairTimeCut()) continue; | |
999 | ||
b5dbb99b | 1000 | //Play with the MC stack if available |
1001 | if(IsDataMC()) HasPairSameMCMother(photon1, photon2, label, tag) ; | |
1002 | ||
57b97dc6 | 1003 | //Select good pair (good phi, pt cuts, aperture and invariant mass) |
3bfcb597 | 1004 | if(GetNeutralMesonSelection()->SelectPair(mom1, mom2,fCalorimeter)) |
c8fe2783 | 1005 | { |
1006 | if(GetDebug()>1) | |
1007 | printf("AliAnaPi0EbE::MakeInvMassInCalorimeter() - Selected gamma pair: pt %f, phi %f, eta%f \n",(mom1+mom2).Pt(), (mom1+mom2).Phi()*180./3.1416, (mom1+mom2).Eta()); | |
42d47cb7 | 1008 | |
57b97dc6 | 1009 | //Fill some histograms about shower shape |
9ab9e937 | 1010 | if(clusters && GetReader()->GetDataType()!=AliCaloTrackReader::kMC){ |
b5dbb99b | 1011 | FillSelectedClusterHistograms(cluster1, photon1->GetTag()); |
1012 | FillSelectedClusterHistograms(cluster2, photon2->GetTag()); | |
42d47cb7 | 1013 | } |
521636d2 | 1014 | |
803d06a8 | 1015 | // Tag both photons as decay |
1016 | photon1->SetTagged(kTRUE); | |
1017 | photon2->SetTagged(kTRUE); | |
09273901 | 1018 | |
1019 | fhPtDecay->Fill(photon1->Pt()); | |
1020 | fhEDecay ->Fill(photon1->E() ); | |
1021 | ||
1022 | fhPtDecay->Fill(photon2->Pt()); | |
1023 | fhEDecay ->Fill(photon2->E() ); | |
803d06a8 | 1024 | |
57b97dc6 | 1025 | //Create AOD for analysis |
c8fe2783 | 1026 | mom = mom1+mom2; |
b5dbb99b | 1027 | |
c8fe2783 | 1028 | AliAODPWG4Particle pi0 = AliAODPWG4Particle(mom); |
b5dbb99b | 1029 | |
21a4b1c0 | 1030 | pi0.SetIdentifiedParticleType(AliCaloPID::kPi0); |
c8fe2783 | 1031 | pi0.SetDetector(photon1->GetDetector()); |
b5dbb99b | 1032 | |
1033 | // MC | |
1034 | pi0.SetLabel(label); | |
c8fe2783 | 1035 | pi0.SetTag(tag); |
b5dbb99b | 1036 | |
57b97dc6 | 1037 | //Set the indeces of the original caloclusters |
c8fe2783 | 1038 | pi0.SetCaloLabel(photon1->GetCaloLabel(0), photon2->GetCaloLabel(0)); |
f8006433 | 1039 | //pi0.SetInputFileIndex(input); |
b5dbb99b | 1040 | |
c8fe2783 | 1041 | AddAODParticle(pi0); |
b5dbb99b | 1042 | |
c8fe2783 | 1043 | }//pi0 |
57b97dc6 | 1044 | |
477d6cee | 1045 | }//2n photon loop |
1046 | ||
1047 | }//1st photon loop | |
1048 | ||
a3aebfff | 1049 | if(GetDebug() > 1) printf("AliAnaPi0EbE::MakeInvMassInCalorimeter() - End fill AODs \n"); |
477d6cee | 1050 | |
1051 | } | |
1052 | ||
e7fd282f | 1053 | //__________________________________________________ |
477d6cee | 1054 | void AliAnaPi0EbE::MakeInvMassInCalorimeterAndCTS() |
1055 | { | |
1056 | //Do analysis and fill aods | |
1057 | //Search for the photon decay in calorimeters | |
1058 | //Read photon list from AOD, produced in class AliAnaPhoton and AliGammaConversion | |
1059 | //Check if 2 photons have the mass of the pi0. | |
1060 | ||
1061 | TLorentzVector mom1; | |
1062 | TLorentzVector mom2; | |
1063 | TLorentzVector mom ; | |
b5dbb99b | 1064 | Int_t tag = 0; |
1065 | Int_t label = 0; | |
5025c139 | 1066 | Int_t evtIndex = 0; |
1db06135 | 1067 | |
1068 | // Check calorimeter input | |
477d6cee | 1069 | if(!GetInputAODBranch()){ |
a3aebfff | 1070 | printf("AliAnaPi0EbE::MakeInvMassInCalorimeterAndCTS() - No input calo photons in AOD branch with name < %s > , STOP\n",GetInputAODName().Data()); |
477d6cee | 1071 | abort(); |
1072 | } | |
57b97dc6 | 1073 | |
1db06135 | 1074 | // Get the array with conversion photons |
1075 | TClonesArray * inputAODGammaConv = (TClonesArray *) GetReader()->GetOutputEvent()->FindListObject(fInputAODGammaConvName); | |
1076 | if(!inputAODGammaConv) { | |
1077 | ||
1078 | inputAODGammaConv = (TClonesArray *) GetReader()->GetInputEvent()->FindListObject(fInputAODGammaConvName); | |
1079 | ||
1080 | if(!inputAODGammaConv) { | |
1081 | printf("AliAnaPi0EbE::MakeInvMassInCalorimeterAndCTS() - No input gamma conversions in AOD branch with name < %s >\n",fInputAODGammaConvName.Data()); | |
1082 | ||
1083 | return; | |
1084 | } | |
1085 | } | |
1086 | ||
1087 | //Get shower shape information of clusters | |
1088 | TObjArray *clusters = 0; | |
1089 | if (fCalorimeter=="EMCAL") clusters = GetEMCALClusters(); | |
1090 | else if(fCalorimeter=="PHOS") clusters = GetPHOSClusters() ; | |
1091 | ||
1092 | Int_t nCTS = inputAODGammaConv->GetEntriesFast(); | |
1093 | Int_t nCalo = GetInputAODBranch()->GetEntriesFast(); | |
1094 | if(nCTS<=0 || nCalo <=0) { | |
1095 | if(GetDebug() > 1) printf("AliAnaPi0EbE::MakeInvMassInCalorimeterAndCTS() - nCalo %d, nCTS %d, cannot loop\n",nCalo,nCTS); | |
1096 | return; | |
1097 | } | |
1098 | ||
1099 | if(GetDebug() > 1) | |
1100 | printf("AliAnaPi0EbE::MakeInvMassInCalorimeterAndCTS() - Number of conversion photons %d\n",nCTS); | |
1101 | ||
1102 | // Do the loop, first calo, second CTS | |
477d6cee | 1103 | for(Int_t iphoton = 0; iphoton < GetInputAODBranch()->GetEntriesFast(); iphoton++){ |
1104 | AliAODPWG4Particle * photon1 = (AliAODPWG4Particle*) (GetInputAODBranch()->At(iphoton)); | |
1105 | mom1 = *(photon1->Momentum()); | |
1106 | ||
1db06135 | 1107 | //Get original cluster, to recover some information |
1108 | Int_t iclus = -1; | |
1109 | AliVCluster *cluster = FindCluster(clusters,photon1->GetCaloLabel(0),iclus); | |
1110 | ||
1111 | for(Int_t jphoton = 0; jphoton < nCTS; jphoton++){ | |
1112 | AliAODPWG4Particle * photon2 = (AliAODPWG4Particle*) (inputAODGammaConv->At(jphoton)); | |
5025c139 | 1113 | if(GetMixedEvent()) |
1114 | evtIndex = GetMixedEvent()->EventIndexForCaloCluster(photon2->GetCaloLabel(0)) ; | |
1115 | if(TMath::Abs(GetVertex(evtIndex)[2]) > GetZvertexCut()) continue ; //vertex cut | |
1116 | ||
477d6cee | 1117 | mom2 = *(photon2->Momentum()); |
57b97dc6 | 1118 | |
b5dbb99b | 1119 | //Play with the MC stack if available |
1120 | if(IsDataMC()) | |
1121 | { | |
1122 | Int_t label2 = photon2->GetLabel(); | |
1123 | if(label2 >= 0 )photon2->SetTag(GetMCAnalysisUtils()->CheckOrigin(label2, GetReader(), photon2->GetInputFileIndex())); | |
1124 | ||
1125 | HasPairSameMCMother(photon1, photon2, label, tag) ; | |
1126 | } | |
1127 | ||
477d6cee | 1128 | //Select good pair (good phi, pt cuts, aperture and invariant mass) |
b5dbb99b | 1129 | if(GetNeutralMesonSelection()->SelectPair(mom1, mom2,fCalorimeter)) |
1130 | { | |
57b97dc6 | 1131 | if(GetDebug() > 1) printf("AliAnaPi0EbE::MakeInvMassInCalorimeterAndCTS() - Selected gamma pair: pt %f, phi %f, eta%f\n",(mom1+mom2).Pt(), (mom1+mom2).Phi()*180./3.1416, (mom1+mom2).Eta()); |
1132 | ||
1db06135 | 1133 | //Fill some histograms about shower shape |
b5dbb99b | 1134 | if(cluster && GetReader()->GetDataType()!=AliCaloTrackReader::kMC) |
1135 | { | |
1136 | FillSelectedClusterHistograms(cluster, photon1->GetTag()); | |
1db06135 | 1137 | } |
803d06a8 | 1138 | |
1139 | // Tag both photons as decay | |
1140 | photon1->SetTagged(kTRUE); | |
1141 | photon2->SetTagged(kTRUE); | |
1db06135 | 1142 | |
09273901 | 1143 | fhPtDecay->Fill(photon1->Pt()); |
1144 | fhEDecay ->Fill(photon1->E() ); | |
1145 | ||
1146 | //fhPtDecay->Fill(photon2->Pt()); | |
1147 | //fhEDecay ->Fill(photon2->E() ); | |
1148 | ||
57b97dc6 | 1149 | //Create AOD for analysis |
b5dbb99b | 1150 | |
57b97dc6 | 1151 | mom = mom1+mom2; |
b5dbb99b | 1152 | |
57b97dc6 | 1153 | AliAODPWG4Particle pi0 = AliAODPWG4Particle(mom); |
b5dbb99b | 1154 | |
21a4b1c0 | 1155 | pi0.SetIdentifiedParticleType(AliCaloPID::kPi0); |
57b97dc6 | 1156 | pi0.SetDetector(photon1->GetDetector()); |
b5dbb99b | 1157 | |
1158 | // MC | |
1159 | pi0.SetLabel(label); | |
57b97dc6 | 1160 | pi0.SetTag(tag); |
b5dbb99b | 1161 | |
57b97dc6 | 1162 | //Set the indeces of the original tracks or caloclusters |
1163 | pi0.SetCaloLabel(photon1->GetCaloLabel(0), -1); | |
1164 | pi0.SetTrackLabel(photon2->GetTrackLabel(0), photon2->GetTrackLabel(1)); | |
f8006433 | 1165 | //pi0.SetInputFileIndex(input); |
b5dbb99b | 1166 | |
57b97dc6 | 1167 | AddAODParticle(pi0); |
b5dbb99b | 1168 | |
477d6cee | 1169 | }//pi0 |
1170 | }//2n photon loop | |
1171 | ||
1172 | }//1st photon loop | |
1173 | ||
a3aebfff | 1174 | if(GetDebug() > 1) printf("AliAnaPi0EbE::MakeInvMassInCalorimeterAndCTS() - End fill AODs \n"); |
477d6cee | 1175 | |
1176 | } | |
1177 | ||
1178 | ||
e7fd282f | 1179 | //_________________________________________________ |
477d6cee | 1180 | void AliAnaPi0EbE::MakeShowerShapeIdentification() |
1181 | { | |
1182 | //Search for pi0 in fCalorimeter with shower shape analysis | |
1183 | ||
4a745797 | 1184 | TObjArray * pl = 0x0; |
5ae09196 | 1185 | //Select the Calorimeter of the photon |
b5dbb99b | 1186 | if (fCalorimeter == "PHOS" ) |
be518ab0 | 1187 | pl = GetPHOSClusters(); |
5ae09196 | 1188 | else if (fCalorimeter == "EMCAL") |
be518ab0 | 1189 | pl = GetEMCALClusters(); |
57b97dc6 | 1190 | |
5ae09196 | 1191 | if(!pl) { |
1192 | Info("MakeShowerShapeIdentification","TObjArray with %s clusters is NULL!\n",fCalorimeter.Data()); | |
1193 | return; | |
1194 | } | |
233e0df8 | 1195 | |
477d6cee | 1196 | TLorentzVector mom ; |
b5dbb99b | 1197 | for(Int_t icalo = 0; icalo < pl->GetEntriesFast(); icalo++) |
1198 | { | |
0ae57829 | 1199 | AliVCluster * calo = (AliVCluster*) (pl->At(icalo)); |
477d6cee | 1200 | |
f8006433 | 1201 | Int_t evtIndex = 0 ; |
b5dbb99b | 1202 | if (GetMixedEvent()) |
1203 | { | |
f8006433 | 1204 | evtIndex=GetMixedEvent()->EventIndexForCaloCluster(calo->GetID()) ; |
1205 | } | |
5025c139 | 1206 | if(TMath::Abs(GetVertex(evtIndex)[2]) > GetZvertexCut()) continue ; //vertex cut |
521636d2 | 1207 | |
57b97dc6 | 1208 | //Get Momentum vector, |
f8006433 | 1209 | if(GetReader()->GetDataType() != AliCaloTrackReader::kMC){ |
1210 | calo->GetMomentum(mom,GetVertex(evtIndex)) ;}//Assume that come from vertex in straight line | |
1211 | else{ | |
1212 | Double_t vertex[]={0,0,0}; | |
1213 | calo->GetMomentum(mom,vertex) ; | |
1214 | } | |
233e0df8 | 1215 | |
57b97dc6 | 1216 | //If too small or big pt, skip it |
477d6cee | 1217 | if(mom.Pt() < GetMinPt() || mom.Pt() > GetMaxPt() ) continue ; |
1218 | //Check acceptance selection | |
b5dbb99b | 1219 | if(IsFiducialCutOn()) |
1220 | { | |
ff45398a | 1221 | Bool_t in = GetFiducialCut()->IsInFiducialCut(mom,fCalorimeter) ; |
477d6cee | 1222 | if(! in ) continue ; |
1223 | } | |
1224 | ||
1225 | //Create AOD for analysis | |
1226 | AliAODPWG4Particle aodpi0 = AliAODPWG4Particle(mom); | |
c8fe2783 | 1227 | aodpi0.SetLabel(calo->GetLabel()); |
477d6cee | 1228 | //Set the indeces of the original caloclusters |
1229 | aodpi0.SetCaloLabel(calo->GetID(),-1); | |
1230 | aodpi0.SetDetector(fCalorimeter); | |
1231 | if(GetDebug() > 1) | |
ff45398a | 1232 | printf("AliAnaPi0EbE::MakeShowerShapeIdentification() - FillAOD: Min pt cut and fiducial cut passed: pt %3.2f, phi %2.2f, eta %1.2f\n",aodpi0.Pt(),aodpi0.Phi(),aodpi0.Eta()); |
477d6cee | 1233 | |
1234 | //Check Distance to Bad channel, set bit. | |
c8fe2783 | 1235 | Double_t distBad=calo->GetDistanceToBadChannel() ; //Distance to bad channel |
477d6cee | 1236 | if(distBad < 0.) distBad=9999. ; //workout strange convension dist = -1. ; |
1237 | if(distBad < fMinDist) //In bad channel (PHOS cristal size 2.2x2.2 cm) | |
1238 | continue ; | |
1239 | ||
a3aebfff | 1240 | if(GetDebug() > 1) printf("AliAnaPi0EbE::MakeShowerShapeIdentification() - FillAOD: Bad channel cut passed %4.2f\n",distBad); |
477d6cee | 1241 | |
1242 | if(distBad > fMinDist3) aodpi0.SetDistToBad(2) ; | |
1243 | else if(distBad > fMinDist2) aodpi0.SetDistToBad(1) ; | |
1244 | else aodpi0.SetDistToBad(0) ; | |
1245 | ||
1246 | //Check PID | |
1247 | //PID selection or bit setting | |
49b5c49b | 1248 | if(IsCaloPIDOn()){ |
477d6cee | 1249 | //Skip matched clusters with tracks |
49b5c49b | 1250 | if(IsTrackMatched(calo, GetReader()->GetInputEvent())) continue ; |
477d6cee | 1251 | |
49b5c49b | 1252 | // Get most probable PID, 2 options check bayesian PID weights or redo PID |
1253 | // By default, redo PID | |
1254 | ||
1255 | aodpi0.SetIdentifiedParticleType(GetCaloPID()->GetIdentifiedParticleType(fCalorimeter,mom,calo));//PID recalculated | |
477d6cee | 1256 | |
21a4b1c0 | 1257 | if(GetDebug() > 1) printf("AliAnaPi0EbE::MakeShowerShapeIdentification() - PDG of identified particle %d\n",aodpi0.GetIdentifiedParticleType()); |
477d6cee | 1258 | |
1259 | //If cluster does not pass pid, not pi0, skip it. | |
21a4b1c0 | 1260 | if(aodpi0.GetIdentifiedParticleType() != AliCaloPID::kPi0) continue ; |
477d6cee | 1261 | |
1262 | } | |
b5dbb99b | 1263 | else |
1264 | { | |
49b5c49b | 1265 | //Set PID bits for later selection |
477d6cee | 1266 | //GetPDG already called in SetPIDBits. |
49b5c49b | 1267 | GetCaloPID()->SetPIDBits(fCalorimeter,calo,&aodpi0, GetCaloUtils(), GetReader()->GetInputEvent()); |
a3aebfff | 1268 | if(GetDebug() > 1) printf("AliAnaPi0EbE::MakeShowerShapeIdentification() - PID Bits set \n"); |
477d6cee | 1269 | } |
1270 | ||
21a4b1c0 | 1271 | if(GetDebug() > 1) printf("AliAnaPi0EbE::MakeShowerShapeIdentification() - Pi0 selection cuts passed: pT %3.2f, pdg %d\n",aodpi0.Pt(), aodpi0.GetIdentifiedParticleType()); |
477d6cee | 1272 | |
1273 | //Play with the MC stack if available | |
1274 | //Check origin of the candidates | |
1275 | if(IsDataMC()){ | |
1276 | if((GetReader()->GetDataType() == AliCaloTrackReader::kMC && fAnaType!=kSSCalo) || | |
57b97dc6 | 1277 | GetReader()->GetDataType() != AliCaloTrackReader::kMC){ |
f8006433 | 1278 | //aodpi0.SetInputFileIndex(input); |
57b97dc6 | 1279 | Int_t tag =0; |
1280 | tag = GetMCAnalysisUtils()->CheckOrigin(calo->GetLabel(),GetReader(), aodpi0.GetInputFileIndex()); | |
1281 | //GetMCAnalysisUtils()->CheckMultipleOrigin(calo->GetLabels(),calo->GetNLabels(), GetReader(), aodpi0.GetInputFileIndex(), tag); | |
1282 | aodpi0.SetTag(tag); | |
1283 | if(GetDebug() > 0) printf("AliAnaPi0EbE::MakeShowerShapeIdentification() - Origin of candidate %d\n",aodpi0.GetTag()); | |
477d6cee | 1284 | } |
1285 | }//Work with stack also | |
1286 | ||
1287 | //Add AOD with pi0 object to aod branch | |
1288 | AddAODParticle(aodpi0); | |
1289 | ||
1290 | }//loop | |
1291 | ||
a3aebfff | 1292 | if(GetDebug() > 1) printf("AliAnaPi0EbE::MakeShowerShapeIdentification() - End fill AODs \n"); |
477d6cee | 1293 | |
1294 | } | |
e7fd282f | 1295 | //______________________________________________ |
477d6cee | 1296 | void AliAnaPi0EbE::MakeAnalysisFillHistograms() |
691bdd02 | 1297 | { |
477d6cee | 1298 | //Do analysis and fill histograms |
691bdd02 | 1299 | |
b5dbb99b | 1300 | if(!GetOutputAODBranch()) |
1301 | { | |
a3aebfff | 1302 | printf("AliAnaPi0EbE::MakeAnalysisFillHistograms() - No output pi0 in AOD branch with name < %s >,STOP \n",GetOutputAODName().Data()); |
477d6cee | 1303 | abort(); |
1304 | } | |
1305 | //Loop on stored AOD pi0 | |
1306 | Int_t naod = GetOutputAODBranch()->GetEntriesFast(); | |
a3aebfff | 1307 | if(GetDebug() > 0) printf("AliAnaPi0EbE::MakeAnalysisFillHistograms() - aod branch entries %d\n", naod); |
477d6cee | 1308 | |
b5dbb99b | 1309 | for(Int_t iaod = 0; iaod < naod ; iaod++) |
1310 | { | |
477d6cee | 1311 | |
1312 | AliAODPWG4Particle* pi0 = (AliAODPWG4Particle*) (GetOutputAODBranch()->At(iaod)); | |
21a4b1c0 | 1313 | Int_t pdg = pi0->GetIdentifiedParticleType(); |
9415d854 | 1314 | |
1315 | if(IsCaloPIDOn() && pdg != AliCaloPID::kPi0) continue; | |
477d6cee | 1316 | |
1317 | //Fill pi0 histograms | |
c4a7d28a | 1318 | Float_t ener = pi0->E(); |
1319 | Float_t pt = pi0->Pt(); | |
1320 | Float_t phi = pi0->Phi(); | |
57b97dc6 | 1321 | if(phi < 0) phi+=TMath::TwoPi(); |
477d6cee | 1322 | Float_t eta = pi0->Eta(); |
1323 | ||
09273901 | 1324 | fhPt ->Fill(pt); |
1325 | fhE ->Fill(ener); | |
477d6cee | 1326 | |
09273901 | 1327 | fhEEta ->Fill(ener,eta); |
1328 | fhEPhi ->Fill(ener,phi); | |
1329 | fhEtaPhi ->Fill(eta,phi); | |
7a972c0c | 1330 | |
b5dbb99b | 1331 | if(IsDataMC()) |
1332 | { | |
477d6cee | 1333 | if((GetReader()->GetDataType() == AliCaloTrackReader::kMC && fAnaType!=kSSCalo) || |
57b97dc6 | 1334 | GetReader()->GetDataType() != AliCaloTrackReader::kMC){ |
b5dbb99b | 1335 | if(GetMCAnalysisUtils()->CheckTagBit(pi0->GetTag(), AliMCAnalysisUtils::kMCPi0)) |
1336 | { | |
09273901 | 1337 | fhPtMC ->Fill(pt); |
1338 | fhPhiMC ->Fill(pt,phi); | |
1339 | fhEtaMC ->Fill(pt,eta); | |
57b97dc6 | 1340 | } |
b5dbb99b | 1341 | else |
1342 | { | |
09273901 | 1343 | fhPtMCNo ->Fill(pt); |
1344 | fhPhiMCNo ->Fill(pt,phi); | |
1345 | fhEtaMCNo ->Fill(pt,eta); | |
57b97dc6 | 1346 | } |
477d6cee | 1347 | } |
1348 | }//Histograms with MC | |
1349 | ||
1350 | }// aod loop | |
1351 | ||
1352 | } | |
1353 | ||
477d6cee | 1354 | //__________________________________________________________________ |
1355 | void AliAnaPi0EbE::Print(const Option_t * opt) const | |
1356 | { | |
1357 | //Print some relevant parameters set for the analysis | |
1358 | if(! opt) | |
1359 | return; | |
1360 | ||
1361 | printf("**** Print %s %s ****\n", GetName(), GetTitle() ) ; | |
745913ae | 1362 | AliAnaCaloTrackCorrBaseClass::Print(""); |
477d6cee | 1363 | printf("Analysis Type = %d \n", fAnaType) ; |
1364 | if(fAnaType == kSSCalo){ | |
1365 | printf("Calorimeter = %s\n", fCalorimeter.Data()) ; | |
1366 | printf("Min Distance to Bad Channel = %2.1f\n",fMinDist); | |
1367 | printf("Min Distance to Bad Channel 2 = %2.1f\n",fMinDist2); | |
1368 | printf("Min Distance to Bad Channel 3 = %2.1f\n",fMinDist3); | |
1369 | } | |
1370 | printf(" \n") ; | |
1371 | ||
1372 | } | |
78a28af3 | 1373 | |
1374 | //___________________________________________________________________________________ | |
1375 | void AliAnaPi0EbE::RecalibrateCellAmplitude(Float_t & amp, const Int_t id) | |
1376 | { | |
1377 | //Recaculate cell energy if recalibration factor | |
1378 | ||
1379 | Int_t icol = -1; Int_t irow = -1; Int_t iRCU = -1; | |
1380 | Int_t nModule = GetModuleNumberCellIndexes(id,fCalorimeter, icol, irow, iRCU); | |
1381 | ||
b5dbb99b | 1382 | if (GetCaloUtils()->IsRecalibrationOn()) |
1383 | { | |
1384 | if(fCalorimeter == "PHOS") | |
1385 | { | |
78a28af3 | 1386 | amp *= GetCaloUtils()->GetPHOSChannelRecalibrationFactor(nModule,icol,irow); |
1387 | } | |
b5dbb99b | 1388 | else |
1389 | { | |
78a28af3 | 1390 | amp *= GetCaloUtils()->GetEMCALChannelRecalibrationFactor(nModule,icol,irow); |
1391 | } | |
1392 | } | |
1393 | } | |
1394 | ||
78a28af3 | 1395 |