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0ab648ea | 1 | /************************************************************************** |
2 | * Author: Panos Christakoglou. * | |
3 | * Contributors are mentioned in the code where appropriate. * | |
4 | * * | |
5 | * Permission to use, copy, modify and distribute this software and its * | |
6 | * documentation strictly for non-commercial purposes is hereby granted * | |
7 | * without fee, provided that the above copyright notice appears in all * | |
8 | * copies and that both the copyright notice and this permission notice * | |
9 | * appear in the supporting documentation. The authors make no claims * | |
10 | * about the suitability of this software for any purpose. It is * | |
11 | * provided "as is" without express or implied warranty. * | |
12 | **************************************************************************/ | |
13 | ||
14 | /* $Id: AliProtonAnalysisBase.cxx 31056 2009-02-16 14:31:41Z pchrist $ */ | |
15 | ||
16 | //----------------------------------------------------------------- | |
17 | // AliProtonAnalysisBase class | |
18 | // This is the class to deal with the proton analysis | |
19 | // Origin: Panos Christakoglou | Panos.Christakoglou@cern.ch | |
20 | //----------------------------------------------------------------- | |
21 | #include <Riostream.h> | |
0ab648ea | 22 | #include <TCanvas.h> |
23 | #include <TLatex.h> | |
73aba974 | 24 | #include <TF1.h> |
735cc63d | 25 | #include <TList.h> |
26 | #include <TH1F.h> | |
0ab648ea | 27 | |
28 | #include <AliExternalTrackParam.h> | |
29 | #include <AliESDEvent.h> | |
0ab648ea | 30 | #include <AliPID.h> |
0ab648ea | 31 | #include <AliVertexerTracks.h> |
10d100d4 | 32 | #include <AliESDpid.h> |
f81f1b19 | 33 | #include <AliTPCPIDResponse.h> |
73aba974 | 34 | class AliLog; |
35 | class AliESDVertex; | |
36 | ||
37 | #include "AliProtonAnalysisBase.h" | |
38 | ||
0ab648ea | 39 | ClassImp(AliProtonAnalysisBase) |
40 | ||
41 | //____________________________________________________________________// | |
42 | AliProtonAnalysisBase::AliProtonAnalysisBase() : | |
790140ac | 43 | TObject(), fProtonAnalysisLevel("ESD"), fAnalysisMC(kFALSE), |
e56f08ed | 44 | fTriggerMode(kMB2), kUseOnlineTrigger(kFALSE), kUseOfflineTrigger(kFALSE), |
45 | fPhysicsSelection(0), | |
76161fe0 | 46 | fProtonAnalysisMode(kTPC), fProtonPIDMode(kBayesian), |
0ab648ea | 47 | fAnalysisEtaMode(kFALSE), |
2f6dae44 | 48 | fRunQAAnalysis(kFALSE), |
e56f08ed | 49 | fVxMax(100.), fVyMax(100.), fVzMax(100.), fMinNumOfContributors(0), |
0ab648ea | 50 | fNBinsX(0), fMinX(0), fMaxX(0), |
51 | fNBinsY(0), fMinY(0), fMaxY(0), | |
52 | fMinTPCClusters(0), fMinITSClusters(0), | |
53 | fMaxChi2PerTPCCluster(0), fMaxChi2PerITSCluster(0), | |
54 | fMaxCov11(0), fMaxCov22(0), fMaxCov33(0), fMaxCov44(0), fMaxCov55(0), | |
55 | fMaxSigmaToVertex(0), fMaxSigmaToVertexTPC(0), | |
56 | fMaxDCAXY(0), fMaxDCAXYTPC(0), | |
57 | fMaxDCAZ(0), fMaxDCAZTPC(0), | |
58 | fMaxDCA3D(0), fMaxDCA3DTPC(0), | |
87a55728 | 59 | fMaxConstrainChi2(0), fMinTPCdEdxPoints(0), |
0ab648ea | 60 | fMinTPCClustersFlag(kFALSE), fMinITSClustersFlag(kFALSE), |
61 | fMaxChi2PerTPCClusterFlag(kFALSE), fMaxChi2PerITSClusterFlag(kFALSE), | |
62 | fMaxCov11Flag(kFALSE), fMaxCov22Flag(kFALSE), | |
63 | fMaxCov33Flag(kFALSE), fMaxCov44Flag(kFALSE), fMaxCov55Flag(kFALSE), | |
64 | fMaxSigmaToVertexFlag(kFALSE), fMaxSigmaToVertexTPCFlag(kFALSE), | |
65 | fMaxDCAXYFlag(kFALSE), fMaxDCAXYTPCFlag(kFALSE), | |
66 | fMaxDCAZFlag(kFALSE), fMaxDCAZTPCFlag(kFALSE), | |
67 | fMaxDCA3DFlag(kFALSE), fMaxDCA3DTPCFlag(kFALSE), | |
68 | fMaxConstrainChi2Flag(kFALSE), | |
69 | fITSRefitFlag(kFALSE), fTPCRefitFlag(kFALSE), | |
f62e9410 | 70 | fESDpidFlag(kFALSE), fTPCpidFlag(kFALSE), fTOFpidFlag(kFALSE), |
4787e0ca | 71 | fPointOnSPDLayersFlag(0), fPointOnSDDLayersFlag(0), fPointOnSSDLayersFlag(0), |
0ab648ea | 72 | fPointOnITSLayer1Flag(0), fPointOnITSLayer2Flag(0), |
73 | fPointOnITSLayer3Flag(0), fPointOnITSLayer4Flag(0), | |
74 | fPointOnITSLayer5Flag(0), fPointOnITSLayer6Flag(0), | |
87a55728 | 75 | fMinTPCdEdxPointsFlag(kFALSE), |
ff1c9f70 | 76 | fPtDependentDcaXY(0), fPtDependentDcaXYFlag(kFALSE), fNSigmaDCAXY(0.0), |
0ab648ea | 77 | fFunctionProbabilityFlag(kFALSE), |
c6909683 | 78 | fNSigma(0), fNRatio(0), |
0ab648ea | 79 | fElectronFunction(0), fMuonFunction(0), |
80 | fPionFunction(0), fKaonFunction(0), fProtonFunction(0), | |
bc554c73 | 81 | fDebugMode(kFALSE), fListVertexQA(0) { |
0ab648ea | 82 | //Default constructor |
83 | for(Int_t i = 0; i < 5; i++) fPartFrac[i] = 0.0; | |
c6909683 | 84 | /*for(Int_t i = 0; i < 24; i++) { |
87a55728 | 85 | fdEdxMean[i] = 0.0; |
86 | fdEdxSigma[i] = 0.0; | |
c6909683 | 87 | }*/ |
bc554c73 | 88 | |
89 | fListVertexQA = new TList(); | |
735cc63d | 90 | fListVertexQA->SetName("fListVertexQA"); |
91 | TH1F *gHistVx = new TH1F("gHistVx", | |
92 | "Vx distribution;V_{x} [cm];Entries", | |
93 | 100,-5.,5.); | |
94 | gHistVx->SetFillColor(kRed-2); | |
95 | fListVertexQA->Add(gHistVx); | |
96 | TH1F *gHistVxAccepted = new TH1F("gHistVxaccepted", | |
97 | "Vx distribution;V_{x} [cm];Entries", | |
98 | 100,-5.,5.); | |
99 | fListVertexQA->Add(gHistVxAccepted); | |
100 | TH1F *gHistVy = new TH1F("gHistVy", | |
101 | "Vy distribution;V_{y} [cm];Entries", | |
102 | 100,-5.,5.); | |
103 | gHistVy->SetFillColor(kRed-2); | |
104 | fListVertexQA->Add(gHistVy); | |
105 | TH1F *gHistVyAccepted = new TH1F("gHistVyaccepted", | |
106 | "Vy distribution;V_{y} [cm];Entries", | |
107 | 100,-5.,5.); | |
108 | fListVertexQA->Add(gHistVyAccepted); | |
109 | TH1F *gHistVz = new TH1F("gHistVz", | |
110 | "Vz distribution;V_{z} [cm];Entries", | |
111 | 100,-25.,25.); | |
112 | gHistVz->SetFillColor(kRed-2); | |
113 | fListVertexQA->Add(gHistVz); | |
114 | TH1F *gHistVzAccepted = new TH1F("gHistVzaccepted", | |
115 | "Vz distribution;V_{z} [cm];Entries", | |
116 | 100,-25.,25.); | |
117 | fListVertexQA->Add(gHistVzAccepted); | |
118 | ||
e56f08ed | 119 | TH1F *gHistNumberOfContributors = new TH1F("gHistNumberOfContributors", |
120 | "Number of contributors;N_{contr.};Entries", | |
121 | 100,0.,100.); | |
122 | fListVertexQA->Add(gHistNumberOfContributors); | |
123 | ||
735cc63d | 124 | |
0ab648ea | 125 | } |
126 | ||
127 | //____________________________________________________________________// | |
128 | AliProtonAnalysisBase::~AliProtonAnalysisBase() { | |
129 | //Default destructor | |
130 | if(fElectronFunction) delete fElectronFunction; | |
131 | if(fMuonFunction) delete fMuonFunction; | |
132 | if(fPionFunction) delete fPionFunction; | |
133 | if(fKaonFunction) delete fKaonFunction; | |
134 | if(fProtonFunction) delete fProtonFunction; | |
735cc63d | 135 | if(fListVertexQA) delete fListVertexQA; |
bc554c73 | 136 | if(fPtDependentDcaXY) delete fPtDependentDcaXY; |
137 | if(fPhysicsSelection) delete fPhysicsSelection; | |
0ab648ea | 138 | } |
139 | ||
140 | //____________________________________________________________________// | |
141 | Double_t AliProtonAnalysisBase::GetParticleFraction(Int_t i, Double_t p) { | |
142 | //Return the a priori probs | |
143 | Double_t partFrac=0; | |
144 | if(fFunctionProbabilityFlag) { | |
145 | if(i == 0) partFrac = fElectronFunction->Eval(p); | |
146 | if(i == 1) partFrac = fMuonFunction->Eval(p); | |
147 | if(i == 2) partFrac = fPionFunction->Eval(p); | |
148 | if(i == 3) partFrac = fKaonFunction->Eval(p); | |
149 | if(i == 4) partFrac = fProtonFunction->Eval(p); | |
150 | } | |
151 | else partFrac = fPartFrac[i]; | |
152 | ||
153 | return partFrac; | |
154 | } | |
155 | ||
156 | //____________________________________________________________________// | |
157 | Bool_t AliProtonAnalysisBase::IsInPhaseSpace(AliESDtrack* const track) { | |
158 | // Checks if the track is outside the analyzed y-Pt phase space | |
df201289 | 159 | Double_t gP = 0.0, gPt = 0.0, gPx = 0.0, gPy = 0.0, gPz = 0.0; |
0ab648ea | 160 | Double_t eta = 0.0; |
161 | ||
afc2ac17 | 162 | if((fProtonAnalysisMode == kTPC) || (fProtonAnalysisMode == kHybrid) || (fProtonAnalysisMode == kFullHybrid)) { |
0ab648ea | 163 | AliExternalTrackParam *tpcTrack = (AliExternalTrackParam *)track->GetTPCInnerParam(); |
164 | if(!tpcTrack) { | |
df201289 | 165 | gP = 0.0; gPt = 0.0; gPx = 0.0; gPy = 0.0; gPz = 0.0; eta = -10.0; |
0ab648ea | 166 | } |
167 | else { | |
df201289 | 168 | gP = tpcTrack->P(); |
0ab648ea | 169 | gPt = tpcTrack->Pt(); |
170 | gPx = tpcTrack->Px(); | |
171 | gPy = tpcTrack->Py(); | |
172 | gPz = tpcTrack->Pz(); | |
173 | eta = tpcTrack->Eta(); | |
174 | } | |
a84984fa | 175 | }//standalone TPC or Hybrid TPC approaches |
0ab648ea | 176 | else { |
df201289 | 177 | gP = track->P(); |
0ab648ea | 178 | gPt = track->Pt(); |
179 | gPx = track->Px(); | |
180 | gPy = track->Py(); | |
181 | gPz = track->Pz(); | |
182 | eta = track->Eta(); | |
183 | } | |
184 | ||
e56f08ed | 185 | if((gPt < fMinY) || (gPt > fMaxY)) { |
0ab648ea | 186 | if(fDebugMode) |
187 | Printf("IsInPhaseSpace: Track rejected because it has a Pt value of %lf (accepted interval: %lf - %lf)",gPt,fMinY,fMaxY); | |
188 | return kFALSE; | |
189 | } | |
e56f08ed | 190 | if((gP < fMinY) || (gP > fMaxY)) { |
191 | if(fDebugMode) | |
192 | Printf("IsInPhaseSpace: Track rejected because it has a P value of %lf (accepted interval: %lf - %lf)",gP,fMinY,fMaxY); | |
193 | return kFALSE; | |
194 | } | |
0ab648ea | 195 | if(fAnalysisEtaMode) { |
196 | if((eta < fMinX) || (eta > fMaxX)) { | |
197 | if(fDebugMode) | |
198 | Printf("IsInPhaseSpace: Track rejected because it has an eta value of %lf (accepted interval: %lf - %lf)",eta,fMinX,fMaxX); | |
199 | return kFALSE; | |
200 | } | |
201 | } | |
202 | else { | |
203 | if((Rapidity(gPx,gPy,gPz) < fMinX) || (Rapidity(gPx,gPy,gPz) > fMaxX)) { | |
204 | if(fDebugMode) | |
205 | Printf("IsInPhaseSpace: Track rejected because it has a y value of %lf (accepted interval: %lf - %lf)",Rapidity(gPx,gPy,gPz),fMinX,fMaxX); | |
206 | return kFALSE; | |
207 | } | |
208 | } | |
209 | ||
210 | return kTRUE; | |
211 | } | |
212 | ||
213 | //____________________________________________________________________// | |
30f87a5b | 214 | Bool_t AliProtonAnalysisBase::IsAccepted(AliESDtrack* track) { |
0ab648ea | 215 | // Checks if the track is excluded from the cuts |
e0919e87 | 216 | //Int_t fIdxInt[200]; |
217 | //Int_t nClustersITS = track->GetITSclusters(fIdxInt); | |
218 | //Int_t nClustersTPC = track->GetTPCclusters(fIdxInt); | |
219 | Int_t nClustersITS = track->GetITSclusters(0x0); | |
220 | Int_t nClustersTPC = track->GetTPCclusters(0x0); | |
0ab648ea | 221 | |
222 | Float_t chi2PerClusterITS = -1; | |
223 | if (nClustersITS!=0) | |
224 | chi2PerClusterITS = track->GetITSchi2()/Float_t(nClustersITS); | |
225 | Float_t chi2PerClusterTPC = -1; | |
226 | if (nClustersTPC!=0) | |
227 | chi2PerClusterTPC = track->GetTPCchi2()/Float_t(nClustersTPC); | |
228 | ||
229 | Double_t extCov[15]; | |
230 | track->GetExternalCovariance(extCov); | |
231 | ||
4787e0ca | 232 | if(fPointOnSPDLayersFlag) { |
233 | if((!track->HasPointOnITSLayer(0))&&(!track->HasPointOnITSLayer(1))) { | |
234 | if(fDebugMode) | |
235 | Printf("IsAccepted: Track rejected because it doesn't have a point on either SPD layers"); | |
236 | return kFALSE; | |
237 | } | |
238 | } | |
239 | if(fPointOnSDDLayersFlag) { | |
240 | if((!track->HasPointOnITSLayer(2))&&(!track->HasPointOnITSLayer(3))) { | |
241 | if(fDebugMode) | |
242 | Printf("IsAccepted: Track rejected because it doesn't have a point on either SDD layers"); | |
243 | return kFALSE; | |
244 | } | |
245 | } | |
246 | if(fPointOnSSDLayersFlag) { | |
247 | if((!track->HasPointOnITSLayer(4))&&(!track->HasPointOnITSLayer(5))) { | |
248 | if(fDebugMode) | |
249 | Printf("IsAccepted: Track rejected because it doesn't have a point on either SSD layers"); | |
250 | return kFALSE; | |
251 | } | |
252 | } | |
0ab648ea | 253 | if(fPointOnITSLayer1Flag) { |
254 | if(!track->HasPointOnITSLayer(0)) { | |
255 | if(fDebugMode) | |
256 | Printf("IsAccepted: Track rejected because it doesn't have a point on the 1st ITS layer"); | |
257 | return kFALSE; | |
258 | } | |
259 | } | |
260 | if(fPointOnITSLayer2Flag) { | |
261 | if(!track->HasPointOnITSLayer(1)) { | |
262 | if(fDebugMode) | |
263 | Printf("IsAccepted: Track rejected because it doesn't have a point on the 2nd ITS layer"); | |
264 | return kFALSE; | |
265 | } | |
266 | } | |
267 | if(fPointOnITSLayer3Flag) { | |
268 | if(!track->HasPointOnITSLayer(2)) { | |
269 | if(fDebugMode) | |
270 | Printf("IsAccepted: Track rejected because it doesn't have a point on the 3rd ITS layer"); | |
271 | return kFALSE; | |
272 | } | |
273 | } | |
274 | if(fPointOnITSLayer4Flag) { | |
275 | if(!track->HasPointOnITSLayer(3)) { | |
276 | if(fDebugMode) | |
277 | Printf("IsAccepted: Track rejected because it doesn't have a point on the 4th ITS layer"); | |
278 | return kFALSE; | |
279 | } | |
280 | } | |
281 | if(fPointOnITSLayer5Flag) { | |
282 | if(!track->HasPointOnITSLayer(4)) { | |
283 | if(fDebugMode) | |
284 | Printf("IsAccepted: Track rejected because it doesn't have a point on the 5th ITS layer"); | |
285 | return kFALSE; | |
286 | } | |
287 | } | |
288 | if(fPointOnITSLayer6Flag) { | |
289 | if(!track->HasPointOnITSLayer(5)) { | |
290 | if(fDebugMode) | |
291 | Printf("IsAccepted: Track rejected because it doesn't have a point on the 6th ITS layer"); | |
292 | return kFALSE; | |
293 | } | |
294 | } | |
295 | if(fMinITSClustersFlag) { | |
296 | if(nClustersITS < fMinITSClusters) { | |
297 | if(fDebugMode) | |
298 | Printf("IsAccepted: Track rejected because it has %d ITS points (min. requested: %d)",nClustersITS,fMinITSClusters); | |
299 | return kFALSE; | |
300 | } | |
301 | } | |
302 | if(fMaxChi2PerITSClusterFlag) { | |
303 | if(chi2PerClusterITS > fMaxChi2PerITSCluster) { | |
304 | if(fDebugMode) | |
305 | Printf("IsAccepted: Track rejected because it has a chi2 per ITS cluster %lf (max. requested: %lf)",chi2PerClusterITS,fMaxChi2PerITSCluster); | |
306 | return kFALSE; | |
307 | } | |
308 | } | |
309 | if(fMinTPCClustersFlag) { | |
310 | if(nClustersTPC < fMinTPCClusters) { | |
311 | if(fDebugMode) | |
312 | Printf("IsAccepted: Track rejected because it has %d TPC clusters (min. requested: %d)",nClustersTPC,fMinTPCClusters); | |
313 | return kFALSE; | |
314 | } | |
315 | } | |
316 | if(fMaxChi2PerTPCClusterFlag) { | |
317 | if(chi2PerClusterTPC > fMaxChi2PerTPCCluster) { | |
318 | if(fDebugMode) | |
319 | Printf("IsAccepted: Track rejected because it has a chi2 per TPC cluster %lf (max. requested: %lf)",chi2PerClusterTPC,fMaxChi2PerTPCCluster); | |
320 | return kFALSE; | |
321 | } | |
322 | } | |
323 | if(fMaxCov11Flag) { | |
324 | if(extCov[0] > fMaxCov11) { | |
325 | if(fDebugMode) | |
326 | Printf("IsAccepted: Track rejected because it has a cov11 value of %lf (max. requested: %lf)",extCov[0],fMaxCov11); | |
327 | return kFALSE; | |
328 | } | |
329 | } | |
330 | if(fMaxCov22Flag) { | |
331 | if(extCov[2] > fMaxCov22) { | |
332 | if(fDebugMode) | |
333 | Printf("IsAccepted: Track rejected because it has a cov22 value of %lf (max. requested: %lf)",extCov[2],fMaxCov22); | |
334 | return kFALSE; | |
335 | } | |
336 | } | |
337 | if(fMaxCov33Flag) { | |
338 | if(extCov[5] > fMaxCov33) { | |
339 | if(fDebugMode) | |
340 | Printf("IsAccepted: Track rejected because it has a cov33 value of %lf (max. requested: %lf)",extCov[5],fMaxCov33); | |
341 | return kFALSE; | |
342 | } | |
343 | } | |
344 | if(fMaxCov44Flag) { | |
345 | if(extCov[9] > fMaxCov44) { | |
346 | if(fDebugMode) | |
347 | Printf("IsAccepted: Track rejected because it has a cov44 value of %lf (max. requested: %lf)",extCov[9],fMaxCov44); | |
348 | return kFALSE; | |
349 | } | |
350 | } | |
351 | if(fMaxCov55Flag) { | |
352 | if(extCov[14] > fMaxCov55) { | |
353 | if(fDebugMode) | |
354 | Printf("IsAccepted: Track rejected because it has a cov55 value of %lf (max. requested: %lf)",extCov[14],fMaxCov55); | |
355 | return kFALSE; | |
356 | } | |
357 | } | |
87a55728 | 358 | if(fMinTPCdEdxPointsFlag) { |
359 | if(track->GetTPCsignalN() < fMinTPCdEdxPoints) { | |
360 | if(fDebugMode) | |
361 | Printf("IsAccepted: Track rejected because it has %d TPC points for the calculation of the energy loss (min. requested: %d)",track->GetTPCsignalN(),fMinTPCdEdxPoints); | |
362 | return kFALSE; | |
363 | } | |
364 | } | |
0ab648ea | 365 | if(fITSRefitFlag) { |
366 | if ((track->GetStatus() & AliESDtrack::kITSrefit) == 0) { | |
367 | if(fDebugMode) | |
368 | Printf("IsAccepted: Track rejected because it has no ITS refit flag"); | |
369 | return kFALSE; | |
370 | } | |
371 | } | |
372 | if(fTPCRefitFlag) { | |
373 | if ((track->GetStatus() & AliESDtrack::kTPCrefit) == 0) { | |
374 | if(fDebugMode) | |
375 | Printf("IsAccepted: Track rejected because it has no TPC refit flag"); | |
376 | return kFALSE; | |
377 | } | |
378 | } | |
379 | if(fESDpidFlag) { | |
380 | if ((track->GetStatus() & AliESDtrack::kESDpid) == 0) { | |
381 | if(fDebugMode) | |
382 | Printf("IsAccepted: Track rejected because it has no ESD pid flag"); | |
383 | return kFALSE; | |
384 | } | |
385 | } | |
386 | if(fTPCpidFlag) { | |
387 | if ((track->GetStatus() & AliESDtrack::kTPCpid) == 0) { | |
388 | if(fDebugMode) | |
389 | Printf("IsAccepted: Track rejected because it has no TPC pid flag"); | |
390 | return kFALSE; | |
391 | } | |
392 | } | |
f62e9410 | 393 | if(fTOFpidFlag) { |
394 | if ((track->GetStatus() & AliESDtrack::kTOFpid) == 0) { | |
395 | if(fDebugMode) | |
396 | Printf("IsAccepted: Track rejected because it has no TOF pid flag"); | |
397 | return kFALSE; | |
398 | } | |
399 | } | |
0ab648ea | 400 | |
401 | return kTRUE; | |
402 | } | |
403 | ||
ff1c9f70 | 404 | //____________________________________________________________________// |
405 | void AliProtonAnalysisBase::SetPtDependentDCAxy(Int_t nSigma, | |
406 | Double_t p0, | |
407 | Double_t p1, | |
408 | Double_t p2) { | |
409 | //Pt dependent dca cut in xy | |
410 | fNSigmaDCAXY = nSigma; | |
411 | fPtDependentDcaXY = new TF1("fPtDependentDcaXY","[0]+[1]/x^[2]",0.1,10.1); | |
412 | fPtDependentDcaXY->SetParameter(0,p0); | |
413 | fPtDependentDcaXY->SetParameter(1,p1); | |
414 | fPtDependentDcaXY->SetParameter(2,p2); | |
415 | fPtDependentDcaXYFlag = kTRUE; | |
416 | } | |
417 | ||
e56f08ed | 418 | //____________________________________________________________________// |
419 | Bool_t AliProtonAnalysisBase::IsPrimary(AliESDEvent *esd, | |
420 | const AliESDVertex *vertex, | |
421 | AliESDtrack* track) { | |
422 | // Checks if the track is a primary-like candidate | |
842c574e | 423 | const Double_t kMicrometer2Centimeter = 0.0001; |
e56f08ed | 424 | Double_t gPt = 0.0, gPx = 0.0, gPy = 0.0, gPz = 0.0; |
425 | Double_t dca[2] = {0.0,0.0}, cov[3] = {0.0,0.0,0.0}; //The impact parameters and their covariance. | |
426 | Double_t dca3D = 0.0; | |
afc2ac17 | 427 | Float_t dcaXY = 0.0, dcaZ = 0.0; |
428 | ||
e56f08ed | 429 | if((fProtonAnalysisMode == kTPC)||(fProtonAnalysisMode == kHybrid)) { |
430 | AliExternalTrackParam *tpcTrack = (AliExternalTrackParam *)track->GetTPCInnerParam(); | |
431 | if(!tpcTrack) { | |
432 | gPt = 0.0; gPx = 0.0; gPy = 0.0; gPz = 0.0; | |
433 | dca[0] = -100.; dca[1] = -100.; dca3D = -100.; | |
434 | cov[0] = -100.; cov[1] = -100.; cov[2] = -100.; | |
435 | } | |
436 | else { | |
437 | gPt = tpcTrack->Pt(); | |
438 | gPx = tpcTrack->Px(); | |
439 | gPy = tpcTrack->Py(); | |
440 | gPz = tpcTrack->Pz(); | |
441 | tpcTrack->PropagateToDCA(vertex, | |
442 | esd->GetMagneticField(), | |
443 | 100.,dca,cov); | |
444 | } | |
445 | }//standalone TPC or hybrid TPC approaches | |
afc2ac17 | 446 | if(fProtonAnalysisMode == kFullHybrid) { |
447 | AliExternalTrackParam *tpcTrack = (AliExternalTrackParam *)track->GetTPCInnerParam(); | |
448 | AliExternalTrackParam cParam; | |
449 | if(!tpcTrack) { | |
450 | gPt = 0.0; gPx = 0.0; gPy = 0.0; gPz = 0.0; | |
451 | dca[0] = -100.; dca[1] = -100.; dca3D = -100.; | |
452 | cov[0] = -100.; cov[1] = -100.; cov[2] = -100.; | |
453 | } | |
454 | else { | |
455 | gPt = tpcTrack->Pt(); | |
456 | gPx = tpcTrack->Px(); | |
457 | gPy = tpcTrack->Py(); | |
458 | gPz = tpcTrack->Pz(); | |
459 | track->RelateToVertex(vertex, | |
460 | esd->GetMagneticField(), | |
461 | 100.,&cParam); | |
462 | track->GetImpactParameters(dcaXY,dcaZ); | |
463 | dca[0] = dcaXY; dca[1] = dcaZ; | |
464 | } | |
465 | }//standalone TPC or hybrid TPC approaches | |
e56f08ed | 466 | else { |
467 | gPt = track->Pt(); | |
468 | gPx = track->Px(); | |
469 | gPy = track->Py(); | |
470 | gPz = track->Pz(); | |
471 | track->PropagateToDCA(vertex, | |
472 | esd->GetMagneticField(), | |
473 | 100.,dca,cov); | |
474 | } | |
475 | dca3D = TMath::Sqrt(TMath::Power(dca[0],2) + | |
476 | TMath::Power(dca[1],2)); | |
477 | ||
e56f08ed | 478 | if(fMaxSigmaToVertexFlag) { |
479 | if(GetSigmaToVertex(track) > fMaxSigmaToVertex) { | |
480 | if(fDebugMode) | |
481 | Printf("IsPrimary: Track rejected because it has a %lf sigmas to vertex (max. requested: %lf)",GetSigmaToVertex(track),fMaxSigmaToVertex); | |
482 | return kFALSE; | |
483 | } | |
484 | } | |
485 | if(fMaxSigmaToVertexTPCFlag) { | |
486 | if(GetSigmaToVertex(track) > fMaxSigmaToVertexTPC) { | |
487 | if(fDebugMode) | |
488 | Printf("IsPrimary: Track rejected because it has a %lf sigmas to vertex TPC (max. requested: %lf)",GetSigmaToVertex(track),fMaxSigmaToVertexTPC); | |
489 | return kFALSE; | |
490 | } | |
491 | } | |
492 | if(fMaxDCAXYFlag) { | |
493 | if(TMath::Abs(dca[0]) > fMaxDCAXY) { | |
494 | if(fDebugMode) | |
495 | Printf("IsPrimary: Track rejected because it has a value of dca(xy) of %lf (max. requested: %lf)",TMath::Abs(dca[0]),fMaxDCAXY); | |
496 | return kFALSE; | |
497 | } | |
498 | } | |
499 | if(fMaxDCAXYTPCFlag) { | |
500 | if(TMath::Abs(dca[0]) > fMaxDCAXYTPC) { | |
501 | if(fDebugMode) | |
502 | Printf("IsPrimary: Track rejected because it has a value of dca(xy) (TPC) of %lf (max. requested: %lf)",TMath::Abs(dca[0]),fMaxDCAXYTPC); | |
503 | return kFALSE; | |
504 | } | |
505 | } | |
506 | if(fMaxDCAZFlag) { | |
507 | if(TMath::Abs(dca[1]) > fMaxDCAZ) { | |
508 | if(fDebugMode) | |
509 | Printf("IsPrimary: Track rejected because it has a value of dca(z) of %lf (max. requested: %lf)",TMath::Abs(dca[1]),fMaxDCAZ); | |
510 | return kFALSE; | |
511 | } | |
512 | } | |
513 | if(fMaxDCAZTPCFlag) { | |
514 | if(TMath::Abs(dca[1]) > fMaxDCAZTPC) { | |
515 | if(fDebugMode) | |
516 | Printf("IsPrimary: Track rejected because it has a value of dca(z) (TPC) of %lf (max. requested: %lf)",TMath::Abs(dca[1]),fMaxDCAZTPC); | |
517 | return kFALSE; | |
518 | } | |
519 | } | |
520 | if(fMaxDCA3DFlag) { | |
521 | if(TMath::Abs(dca3D) > fMaxDCA3D) { | |
522 | if(fDebugMode) | |
523 | Printf("IsPrimary: Track rejected because it has a value of dca(3D) of %lf (max. requested: %lf)",TMath::Abs(dca3D),fMaxDCA3D); | |
524 | return kFALSE; | |
525 | } | |
526 | } | |
527 | if(fMaxDCA3DTPCFlag) { | |
528 | if(TMath::Abs(dca3D) > fMaxDCA3DTPC) { | |
529 | if(fDebugMode) | |
530 | Printf("IsPrimary: Track rejected because it has a value of dca(3D) (TPC) of %lf (max. requested: %lf)",TMath::Abs(dca3D),fMaxDCA3DTPC); | |
531 | return kFALSE; | |
532 | } | |
533 | } | |
534 | if(fMaxConstrainChi2Flag) { | |
535 | if(track->GetConstrainedChi2() > 0) | |
536 | if(TMath::Log(track->GetConstrainedChi2()) > fMaxConstrainChi2) { | |
537 | if(fDebugMode) | |
538 | Printf("IsPrimary: Track rejected because it has a value of the constrained chi2 to the vertex of %lf (max. requested: %lf)",TMath::Log(track->GetConstrainedChi2()),fMaxConstrainChi2); | |
539 | return kFALSE; | |
540 | } | |
541 | } | |
ff1c9f70 | 542 | if(fPtDependentDcaXYFlag) { |
842c574e | 543 | if(TMath::Abs(dca[0]) > kMicrometer2Centimeter*fNSigmaDCAXY*fPtDependentDcaXY->Eval(gPt)) { |
ff1c9f70 | 544 | if(fDebugMode) |
9e5b51c2 | 545 | Printf("IsPrimary: Track rejected because it has a value of the dca(xy) higher than the %d sigma pt dependent cut: %lf (max. requested: %lf)",fNSigmaDCAXY,TMath::Abs(dca[0]),fNSigmaDCAXY*fPtDependentDcaXY->Eval(gPt)); |
ff1c9f70 | 546 | return kFALSE; |
547 | } | |
548 | } | |
e56f08ed | 549 | |
550 | return kTRUE; | |
551 | } | |
552 | ||
0ab648ea | 553 | //____________________________________________________________________// |
554 | Float_t AliProtonAnalysisBase::GetSigmaToVertex(AliESDtrack* esdTrack) const { | |
555 | // Calculates the number of sigma to the vertex. | |
0ab648ea | 556 | Float_t b[2]; |
557 | Float_t bRes[2]; | |
558 | Float_t bCov[3]; | |
afc2ac17 | 559 | if((fProtonAnalysisMode == kTPC)&&(fProtonAnalysisMode != kHybrid)&&(fProtonAnalysisMode != kFullHybrid)) |
0ab648ea | 560 | esdTrack->GetImpactParametersTPC(b,bCov); |
561 | else | |
562 | esdTrack->GetImpactParameters(b,bCov); | |
563 | ||
564 | if (bCov[0]<=0 || bCov[2]<=0) { | |
565 | //AliDebug(1, "Estimated b resolution lower or equal zero!"); | |
566 | bCov[0]=0; bCov[2]=0; | |
567 | } | |
568 | bRes[0] = TMath::Sqrt(bCov[0]); | |
569 | bRes[1] = TMath::Sqrt(bCov[2]); | |
570 | ||
571 | if (bRes[0] == 0 || bRes[1] ==0) return -1; | |
572 | ||
573 | Float_t d = TMath::Sqrt(TMath::Power(b[0]/bRes[0],2) + TMath::Power(b[1]/bRes[1],2)); | |
574 | ||
575 | if (TMath::Exp(-d * d / 2) < 1e-10) return 1000; | |
576 | ||
577 | d = TMath::ErfInverse(1 - TMath::Exp(-d * d / 2)) * TMath::Sqrt(2); | |
578 | ||
579 | return d; | |
580 | } | |
581 | ||
582 | //____________________________________________________________________// | |
583 | Double_t AliProtonAnalysisBase::Rapidity(Double_t gPx, | |
584 | Double_t gPy, | |
585 | Double_t gPz) const { | |
586 | //returns the rapidity of the proton - to be removed | |
587 | Double_t fMass = 9.38270000000000048e-01; | |
588 | ||
589 | Double_t gP = TMath::Sqrt(TMath::Power(gPx,2) + | |
590 | TMath::Power(gPy,2) + | |
591 | TMath::Power(gPz,2)); | |
592 | Double_t energy = TMath::Sqrt(gP*gP + fMass*fMass); | |
593 | Double_t y = -999; | |
594 | if(energy != gPz) | |
595 | y = 0.5*TMath::Log((energy + gPz)/(energy - gPz)); | |
596 | ||
597 | return y; | |
598 | } | |
599 | ||
600 | //________________________________________________________________________ | |
601 | const AliESDVertex* AliProtonAnalysisBase::GetVertex(AliESDEvent* esd, | |
602 | AnalysisMode mode, | |
603 | Double_t gVxMax, | |
604 | Double_t gVyMax, | |
605 | Double_t gVzMax) { | |
606 | // Get the vertex from the ESD and returns it if the vertex is valid | |
607 | // Second argument decides which vertex is used (this selects | |
608 | // also the quality criteria that are applied) | |
609 | const AliESDVertex* vertex = 0; | |
afc2ac17 | 610 | if((mode == kHybrid)||(mode == kFullHybrid)) |
0ab648ea | 611 | vertex = esd->GetPrimaryVertexSPD(); |
612 | else if(mode == kTPC){ | |
613 | Double_t kBz = esd->GetMagneticField(); | |
614 | AliVertexerTracks vertexer(kBz); | |
615 | vertexer.SetTPCMode(); | |
616 | AliESDVertex *vTPC = vertexer.FindPrimaryVertex(esd); | |
617 | esd->SetPrimaryVertexTPC(vTPC); | |
618 | for (Int_t i=0; i<esd->GetNumberOfTracks(); i++) { | |
619 | AliESDtrack *t = esd->GetTrack(i); | |
620 | t->RelateToVertexTPC(vTPC, kBz, kVeryBig); | |
621 | } | |
622 | delete vTPC; | |
623 | vertex = esd->GetPrimaryVertexTPC(); | |
624 | } | |
625 | else if(mode == kGlobal) | |
626 | vertex = esd->GetPrimaryVertex(); | |
627 | else | |
628 | Printf("GetVertex: ERROR: Invalid second argument %d", mode); | |
629 | ||
630 | if(!vertex) { | |
631 | if(fDebugMode) | |
632 | Printf("GetVertex: Event rejected because there is no valid vertex object"); | |
633 | return 0; | |
634 | } | |
635 | ||
636 | // check Ncontributors | |
637 | if(vertex->GetNContributors() <= 0) { | |
638 | if(fDebugMode) | |
639 | Printf("GetVertex: Event rejected because the number of contributors for the vertex determination is <= 0"); | |
640 | return 0; | |
641 | } | |
642 | ||
643 | // check resolution | |
644 | Double_t zRes = vertex->GetZRes(); | |
645 | if(zRes == 0) { | |
646 | if(fDebugMode) | |
647 | Printf("GetVertex: Event rejected because the value of the vertex resolution in z is 0"); | |
648 | return 0; | |
649 | } | |
735cc63d | 650 | ((TH1F *)(fListVertexQA->At(0)))->Fill(vertex->GetXv()); |
651 | ((TH1F *)(fListVertexQA->At(2)))->Fill(vertex->GetYv()); | |
652 | ((TH1F *)(fListVertexQA->At(4)))->Fill(vertex->GetZv()); | |
e56f08ed | 653 | |
0ab648ea | 654 | //check position |
655 | if(TMath::Abs(vertex->GetXv()) > gVxMax) { | |
656 | if(fDebugMode) | |
657 | Printf("GetVertex: Event rejected because it has a Vx value of %lf cm (accepted interval: -%lf - %lf)",TMath::Abs(vertex->GetXv()),gVxMax,gVxMax); | |
658 | return 0; | |
659 | } | |
660 | if(TMath::Abs(vertex->GetYv()) > gVyMax) { | |
661 | if(fDebugMode) | |
662 | Printf("GetVertex: Event rejected because it has a Vy value of %lf cm (accepted interval: -%lf - %lf)",TMath::Abs(vertex->GetYv()),gVyMax,gVyMax); | |
663 | return 0; | |
664 | } | |
665 | if(TMath::Abs(vertex->GetZv()) > gVzMax) { | |
666 | if(fDebugMode) | |
667 | Printf("GetVertex: Event rejected because it has a Vz value of %lf cm (accepted interval: -%lf - %lf)",TMath::Abs(vertex->GetZv()),gVzMax,gVzMax); | |
668 | return 0; | |
669 | } | |
735cc63d | 670 | ((TH1F *)(fListVertexQA->At(1)))->Fill(vertex->GetXv()); |
671 | ((TH1F *)(fListVertexQA->At(3)))->Fill(vertex->GetYv()); | |
672 | ((TH1F *)(fListVertexQA->At(5)))->Fill(vertex->GetZv()); | |
e56f08ed | 673 | ((TH1F *)(fListVertexQA->At(6)))->Fill(vertex->GetNContributors()); |
674 | ||
675 | //check number of contributors | |
676 | if(fMinNumOfContributors > 0) { | |
677 | if(fMinNumOfContributors > vertex->GetNContributors()) { | |
678 | if(fDebugMode) | |
679 | Printf("GetVertex: Event rejected because it has %d number of contributors (requested minimum: %d)",vertex->GetNContributors(),fMinNumOfContributors); | |
680 | ||
681 | return 0; | |
682 | } | |
683 | } | |
0ab648ea | 684 | |
685 | return vertex; | |
686 | } | |
687 | ||
688 | //________________________________________________________________________ | |
689 | Bool_t AliProtonAnalysisBase::IsEventTriggered(const AliESDEvent *esd, | |
690 | TriggerMode trigger) { | |
691 | // check if the event was triggered | |
692 | ULong64_t triggerMask = esd->GetTriggerMask(); | |
42270c4c | 693 | TString firedTriggerClass = esd->GetFiredTriggerClasses(); |
0ab648ea | 694 | |
42270c4c | 695 | if(fAnalysisMC) { |
696 | // definitions from p-p.cfg | |
697 | ULong64_t spdFO = (1 << 14); | |
698 | ULong64_t v0left = (1 << 11); | |
699 | ULong64_t v0right = (1 << 12); | |
700 | ||
701 | switch (trigger) { | |
702 | case kMB1: { | |
703 | if (triggerMask & spdFO || ((triggerMask & v0left) || (triggerMask & v0right))) | |
704 | return kTRUE; | |
705 | break; | |
706 | } | |
707 | case kMB2: { | |
708 | if (triggerMask & spdFO && ((triggerMask & v0left) || (triggerMask & v0right))) | |
709 | return kTRUE; | |
710 | break; | |
711 | } | |
712 | case kSPDFASTOR: { | |
713 | if (triggerMask & spdFO) | |
714 | return kTRUE; | |
715 | break; | |
716 | } | |
717 | }//switch | |
0ab648ea | 718 | } |
42270c4c | 719 | else { |
4de4661f | 720 | if(kUseOnlineTrigger) { |
721 | if(firedTriggerClass.Contains("CINT1B-ABCE-NOPF-ALL")) | |
722 | return kTRUE; | |
723 | } | |
724 | else if(!kUseOnlineTrigger) | |
0ab648ea | 725 | return kTRUE; |
0ab648ea | 726 | } |
0ab648ea | 727 | |
728 | return kFALSE; | |
729 | } | |
730 | ||
731 | //________________________________________________________________________ | |
732 | TCanvas *AliProtonAnalysisBase::GetListOfCuts() { | |
733 | // return the list of cuts and their cut values for reference | |
734 | TLatex l; | |
735 | l.SetTextAlign(12); | |
736 | l.SetTextSize(0.04); | |
737 | ||
738 | TString listOfCuts; | |
739 | ||
740 | TCanvas *c = new TCanvas("cListOfCuts","List of cuts",0,0,900,600); | |
741 | c->SetFillColor(10); c->SetHighLightColor(41); | |
742 | c->Divide(3,2); | |
743 | ||
744 | c->cd(1)->SetFillColor(10); | |
745 | l.DrawLatex(0.3,0.9,"Analysis details: List of cuts\n\n"); | |
746 | ||
747 | listOfCuts = "Analysis level: "; listOfCuts += fProtonAnalysisLevel; | |
748 | l.DrawLatex(0.1,0.82,listOfCuts.Data()); | |
749 | listOfCuts = "Analysis mode: "; | |
750 | if(fProtonAnalysisMode == kTPC) listOfCuts += "TPC standalone"; | |
751 | if(fProtonAnalysisMode == kHybrid) listOfCuts += "Hybrid TPC"; | |
afc2ac17 | 752 | if(fProtonAnalysisMode == kFullHybrid) listOfCuts += "Full Hybrid TPC"; |
0ab648ea | 753 | if(fProtonAnalysisMode == kGlobal) listOfCuts += "Global tracking"; |
754 | l.DrawLatex(0.1,0.74,listOfCuts.Data()); | |
755 | listOfCuts = "Trigger mode: "; | |
756 | if(fTriggerMode == kMB1) listOfCuts += "Minimum bias 1"; | |
757 | if(fTriggerMode == kMB2) listOfCuts += "Minimum bias 2"; | |
758 | if(fTriggerMode == kSPDFASTOR) listOfCuts += "FastOR (SPD)"; | |
759 | l.DrawLatex(0.1,0.66,listOfCuts.Data()); | |
760 | listOfCuts = "PID mode: "; | |
761 | if(fProtonPIDMode == kBayesian) listOfCuts += "Bayesian PID"; | |
c6909683 | 762 | if(fProtonPIDMode == kRatio) { |
763 | listOfCuts += "Z = ln((dE/dx)_{exp.}/(dE/dx)_{theor.}) > "; | |
764 | listOfCuts += fNRatio; | |
87a55728 | 765 | } |
c6909683 | 766 | if(fProtonPIDMode == kSigma) { |
767 | listOfCuts += "N_{#sigma} area: "; listOfCuts += fNSigma; | |
87a55728 | 768 | listOfCuts += " #sigma"; |
769 | } | |
c6909683 | 770 | //if(fProtonPIDMode == kSigma2) { |
771 | //listOfCuts += "N_{#sigma}(2) area: "; listOfCuts += fNSigma; | |
772 | //listOfCuts += " #sigma"; | |
773 | //} | |
0ab648ea | 774 | l.DrawLatex(0.1,0.58,listOfCuts.Data()); |
775 | listOfCuts = "Accepted vertex diamond: "; | |
c6909683 | 776 | l.DrawLatex(0.1,0.52,listOfCuts.Data()); |
0ab648ea | 777 | listOfCuts = "|V_{x}| < "; listOfCuts += fVxMax; listOfCuts += " [cm]"; |
c6909683 | 778 | l.DrawLatex(0.6,0.52,listOfCuts.Data()); |
0ab648ea | 779 | listOfCuts = "|V_{y}| < "; listOfCuts += fVyMax; listOfCuts += " [cm]"; |
c6909683 | 780 | l.DrawLatex(0.6,0.45,listOfCuts.Data()); |
0ab648ea | 781 | listOfCuts = "|V_{z}| < "; listOfCuts += fVzMax; listOfCuts += " [cm]"; |
c6909683 | 782 | l.DrawLatex(0.6,0.38,listOfCuts.Data()); |
783 | listOfCuts = "N_{contributors} > "; listOfCuts += fMinNumOfContributors; | |
784 | l.DrawLatex(0.6,0.31,listOfCuts.Data()); | |
0ab648ea | 785 | listOfCuts = "Phase space: "; |
786 | l.DrawLatex(0.1,0.2,listOfCuts.Data()); | |
787 | if(fAnalysisEtaMode) listOfCuts = "|#eta| < "; | |
788 | else listOfCuts = "|y| < "; | |
789 | listOfCuts += TMath::Abs(fMinX); | |
790 | l.DrawLatex(0.35,0.2,listOfCuts.Data()); | |
791 | listOfCuts = "N_{bins} = "; | |
792 | listOfCuts += fNBinsX; listOfCuts += " (binning: "; | |
793 | listOfCuts += (fMaxX-fMinX)/fNBinsX; listOfCuts += ")"; | |
794 | l.DrawLatex(0.35,0.15,listOfCuts.Data()); | |
795 | listOfCuts = ""; listOfCuts += fMinY; listOfCuts += " < P_{T} < "; | |
796 | listOfCuts += fMaxY; listOfCuts += "GeV/c"; | |
797 | l.DrawLatex(0.35,0.1,listOfCuts.Data()); | |
798 | listOfCuts = "N_{bins} = "; | |
799 | listOfCuts += fNBinsY; listOfCuts += " (binning: "; | |
800 | listOfCuts += (fMaxY-fMinY)/fNBinsY; listOfCuts += ")"; | |
801 | l.DrawLatex(0.35,0.05,listOfCuts.Data()); | |
802 | ||
803 | c->cd(2)->SetFillColor(2); | |
4787e0ca | 804 | l.DrawLatex(0.3,0.95,"ITS related cuts"); |
805 | listOfCuts = "Request a cluster on either of the SPD layers: "; | |
806 | listOfCuts += fPointOnSPDLayersFlag; | |
807 | l.DrawLatex(0.1,0.9,listOfCuts.Data()); | |
808 | listOfCuts = "Request a cluster on either of the SDD layers: "; | |
809 | listOfCuts += fPointOnSDDLayersFlag; | |
810 | l.DrawLatex(0.1,0.83,listOfCuts.Data()); | |
811 | listOfCuts = "Request a cluster on either of the SSD layers: "; | |
812 | listOfCuts += fPointOnSSDLayersFlag; | |
813 | l.DrawLatex(0.1,0.76,listOfCuts.Data()); | |
814 | ||
0ab648ea | 815 | listOfCuts = "Request a cluster on SPD1: "; |
816 | listOfCuts += fPointOnITSLayer1Flag; | |
4787e0ca | 817 | l.DrawLatex(0.1,0.69,listOfCuts.Data()); |
0ab648ea | 818 | listOfCuts = "Request a cluster on SPD2: "; |
819 | listOfCuts += fPointOnITSLayer2Flag; | |
4787e0ca | 820 | l.DrawLatex(0.1,0.62,listOfCuts.Data()); |
0ab648ea | 821 | listOfCuts = "Request a cluster on SDD1: "; |
822 | listOfCuts += fPointOnITSLayer3Flag; | |
4787e0ca | 823 | l.DrawLatex(0.1,0.55,listOfCuts.Data()); |
0ab648ea | 824 | listOfCuts = "Request a cluster on SDD2: "; |
825 | listOfCuts += fPointOnITSLayer4Flag; | |
4787e0ca | 826 | l.DrawLatex(0.1,0.48,listOfCuts.Data()); |
0ab648ea | 827 | listOfCuts = "Request a cluster on SSD1: "; |
828 | listOfCuts += fPointOnITSLayer5Flag; | |
4787e0ca | 829 | l.DrawLatex(0.1,0.41,listOfCuts.Data()); |
0ab648ea | 830 | listOfCuts = "Request a cluster on SSD2: "; |
831 | listOfCuts += fPointOnITSLayer6Flag; | |
4787e0ca | 832 | l.DrawLatex(0.1,0.34,listOfCuts.Data()); |
0ab648ea | 833 | listOfCuts = "Minimum number of ITS clusters: "; |
834 | if(fMinITSClustersFlag) listOfCuts += fMinITSClusters; | |
835 | else listOfCuts += "Not used"; | |
4787e0ca | 836 | l.DrawLatex(0.1,0.27,listOfCuts.Data()); |
0ab648ea | 837 | listOfCuts = "Maximum #chi^{2} per ITS cluster: "; |
838 | if(fMaxChi2PerITSClusterFlag) listOfCuts += fMaxChi2PerITSCluster; | |
839 | else listOfCuts += "Not used"; | |
4787e0ca | 840 | l.DrawLatex(0.1,0.2,listOfCuts.Data()); |
0ab648ea | 841 | |
842 | c->cd(3)->SetFillColor(3); | |
843 | l.DrawLatex(0.3,0.9,"TPC related cuts"); | |
844 | listOfCuts = "Minimum number of TPC clusters: "; | |
845 | if(fMinTPCClustersFlag) listOfCuts += fMinTPCClusters; | |
846 | else listOfCuts += "Not used"; | |
847 | l.DrawLatex(0.1,0.7,listOfCuts.Data()); | |
848 | listOfCuts = "Maximum #chi^{2} per TPC cluster: "; | |
849 | if(fMaxChi2PerTPCClusterFlag) listOfCuts += fMaxChi2PerTPCCluster; | |
850 | else listOfCuts += "Not used"; | |
851 | l.DrawLatex(0.1,0.5,listOfCuts.Data()); | |
57e749bb | 852 | listOfCuts = "Minimum number of TPC points for the dE/dx: "; |
853 | if(fMinTPCdEdxPointsFlag) listOfCuts += fMinTPCdEdxPoints; | |
854 | else listOfCuts += "Not used"; | |
855 | l.DrawLatex(0.1,0.3,listOfCuts.Data()); | |
0ab648ea | 856 | |
857 | c->cd(4)->SetFillColor(4); | |
858 | l.DrawLatex(0.3,0.9,"Tracking related cuts"); | |
859 | listOfCuts = "Maximum cov11: "; | |
860 | if(fMaxCov11Flag) listOfCuts += fMaxCov11; | |
861 | else listOfCuts += "Not used"; | |
862 | l.DrawLatex(0.1,0.75,listOfCuts.Data()); | |
863 | listOfCuts = "Maximum cov22: "; | |
864 | if(fMaxCov22Flag) listOfCuts += fMaxCov22; | |
865 | else listOfCuts += "Not used"; | |
866 | l.DrawLatex(0.1,0.6,listOfCuts.Data()); | |
867 | listOfCuts = "Maximum cov33: "; | |
868 | if(fMaxCov33Flag) listOfCuts += fMaxCov33; | |
869 | else listOfCuts += "Not used"; | |
870 | l.DrawLatex(0.1,0.45,listOfCuts.Data()); | |
871 | listOfCuts = "Maximum cov44: "; | |
872 | if(fMaxCov44Flag) listOfCuts += fMaxCov44; | |
873 | else listOfCuts += "Not used"; | |
874 | l.DrawLatex(0.1,0.3,listOfCuts.Data()); | |
875 | listOfCuts = "Maximum cov55: "; | |
876 | if(fMaxCov55Flag) listOfCuts += fMaxCov55; | |
877 | else listOfCuts += "Not used"; | |
878 | l.DrawLatex(0.1,0.15,listOfCuts.Data()); | |
879 | ||
880 | c->cd(5)->SetFillColor(5); | |
881 | l.DrawLatex(0.3,0.9,"DCA related cuts"); | |
882 | listOfCuts = "Maximum sigma to vertex: "; | |
883 | if(fMaxSigmaToVertexFlag) listOfCuts += fMaxSigmaToVertex; | |
884 | else listOfCuts += "Not used"; | |
885 | l.DrawLatex(0.1,0.8,listOfCuts.Data()); | |
886 | listOfCuts = "Maximum sigma to vertex (TPC): "; | |
887 | if(fMaxSigmaToVertexTPCFlag) listOfCuts += fMaxSigmaToVertexTPC; | |
888 | else listOfCuts += "Not used"; | |
889 | l.DrawLatex(0.1,0.72,listOfCuts.Data()); | |
890 | listOfCuts = "Maximum DCA in xy: "; | |
891 | if(fMaxDCAXYFlag) listOfCuts += fMaxDCAXY; | |
892 | else listOfCuts += "Not used"; | |
893 | l.DrawLatex(0.1,0.64,listOfCuts.Data()); | |
894 | listOfCuts = "Maximum DCA in z: "; | |
895 | if(fMaxDCAZFlag) listOfCuts += fMaxDCAZ; | |
896 | else listOfCuts += "Not used"; | |
897 | l.DrawLatex(0.1,0.56,listOfCuts.Data()); | |
898 | listOfCuts = "Maximum DCA in 3D: "; | |
899 | if(fMaxDCA3DFlag) listOfCuts += fMaxDCA3D; | |
900 | else listOfCuts += "Not used"; | |
901 | l.DrawLatex(0.1,0.48,listOfCuts.Data()); | |
902 | listOfCuts = "Maximum DCA in xy (TPC): "; | |
903 | if(fMaxDCAXYFlag) listOfCuts += fMaxDCAXYTPC; | |
904 | else listOfCuts += "Not used"; | |
905 | l.DrawLatex(0.1,0.4,listOfCuts.Data()); | |
906 | listOfCuts = "Maximum DCA in z (TPC): "; | |
907 | if(fMaxDCAZFlag) listOfCuts += fMaxDCAZTPC; | |
908 | else listOfCuts += "Not used"; | |
909 | l.DrawLatex(0.1,0.32,listOfCuts.Data()); | |
910 | listOfCuts = "Maximum DCA in 3D (TPC): "; | |
911 | if(fMaxDCA3DFlag) listOfCuts += fMaxDCA3DTPC; | |
912 | else listOfCuts += "Not used"; | |
913 | l.DrawLatex(0.1,0.24,listOfCuts.Data()); | |
914 | listOfCuts = "Maximum constrained #chi^{2} (vertex): "; | |
915 | if(fMaxConstrainChi2Flag) listOfCuts += fMaxConstrainChi2; | |
916 | else listOfCuts += "Not used"; | |
917 | l.DrawLatex(0.1,0.16,listOfCuts.Data()); | |
918 | ||
919 | c->cd(6)->SetFillColor(6); | |
920 | l.DrawLatex(0.3,0.9,"Tracking bits related cuts"); | |
921 | listOfCuts = "Request the ITS refit bit: "; listOfCuts += fITSRefitFlag; | |
922 | l.DrawLatex(0.1,0.7,listOfCuts.Data()); | |
923 | listOfCuts = "Request the TPC refit bit: "; listOfCuts += fTPCRefitFlag; | |
924 | l.DrawLatex(0.1,0.5,listOfCuts.Data()); | |
925 | listOfCuts = "Request the TPC pid bit: "; listOfCuts += fTPCpidFlag; | |
926 | l.DrawLatex(0.1,0.3,listOfCuts.Data()); | |
927 | listOfCuts = "Request the ESD pid bit: "; listOfCuts += fESDpidFlag; | |
928 | l.DrawLatex(0.1,0.1,listOfCuts.Data()); | |
929 | ||
930 | return c; | |
931 | } | |
932 | ||
933 | //________________________________________________________________________ | |
934 | Bool_t AliProtonAnalysisBase::IsProton(AliESDtrack *track) { | |
935 | //Function that checks if a track is a proton | |
936 | Double_t probability[5]; | |
87a55728 | 937 | Double_t gPt = 0.0, gP = 0.0, gEta = 0.0; |
0ab648ea | 938 | Long64_t fParticleType = 0; |
939 | ||
940 | //Bayesian approach for the PID | |
941 | if(fProtonPIDMode == kBayesian) { | |
afc2ac17 | 942 | if((fProtonAnalysisMode == kTPC)||(fProtonAnalysisMode == kHybrid)||(fProtonAnalysisMode == kFullHybrid)) { |
0ab648ea | 943 | AliExternalTrackParam *tpcTrack = (AliExternalTrackParam *)track->GetTPCInnerParam(); |
944 | if(tpcTrack) { | |
945 | gPt = tpcTrack->Pt(); | |
946 | gP = tpcTrack->P(); | |
947 | track->GetTPCpid(probability); | |
948 | } | |
949 | }//TPC standalone or Hybrid TPC | |
950 | else if(fProtonAnalysisMode == kGlobal) { | |
951 | gPt = track->Pt(); | |
952 | gP = track->P(); | |
953 | track->GetESDpid(probability); | |
954 | }//Global tracking | |
955 | ||
956 | Double_t rcc = 0.0; | |
957 | for(Int_t i = 0; i < AliPID::kSPECIES; i++) | |
958 | rcc += probability[i]*GetParticleFraction(i,gP); | |
959 | if(rcc != 0.0) { | |
960 | Double_t w[5]; | |
961 | for(Int_t i = 0; i < AliPID::kSPECIES; i++) | |
962 | w[i] = probability[i]*GetParticleFraction(i,gP)/rcc; | |
963 | fParticleType = TMath::LocMax(AliPID::kSPECIES,w); | |
964 | } | |
965 | if(fParticleType == 4) | |
966 | return kTRUE; | |
967 | } | |
968 | //Ratio of the measured over the theoretical dE/dx a la STAR | |
969 | else if(fProtonPIDMode == kRatio) { | |
c6909683 | 970 | AliExternalTrackParam *tpcTrack = (AliExternalTrackParam *)track->GetTPCInnerParam(); |
971 | if(tpcTrack) { | |
972 | gPt = tpcTrack->Pt(); | |
b8cca027 | 973 | gP = track->GetInnerParam()->P(); |
c6909683 | 974 | gEta = tpcTrack->Eta(); |
975 | } | |
976 | Double_t fAlephParameters[5]; | |
977 | if(fAnalysisMC) { | |
978 | fAlephParameters[0] = 2.15898e+00/50.; | |
979 | fAlephParameters[1] = 1.75295e+01; | |
980 | fAlephParameters[2] = 3.40030e-09; | |
981 | fAlephParameters[3] = 1.96178e+00; | |
982 | fAlephParameters[4] = 3.91720e+00; | |
983 | } | |
984 | else { | |
985 | fAlephParameters[0] = 0.0283086; | |
986 | fAlephParameters[1] = 2.63394e+01; | |
987 | fAlephParameters[2] = 5.04114e-11; | |
988 | fAlephParameters[3] = 2.12543e+00; | |
989 | fAlephParameters[4] = 4.88663e+00; | |
990 | } | |
991 | ||
bc554c73 | 992 | AliTPCPIDResponse *tpcResponse = new AliTPCPIDResponse(); |
993 | tpcResponse->SetBetheBlochParameters(fAlephParameters[0],fAlephParameters[1],fAlephParameters[2],fAlephParameters[3],fAlephParameters[4]); | |
9a3204e2 | 994 | |
995 | Double_t normalizeddEdx = -10.; | |
bc554c73 | 996 | if((track->GetTPCsignal() > 0.0) && (tpcResponse->GetExpectedSignal(gP,AliPID::kProton) > 0.0)) |
997 | normalizeddEdx = TMath::Log(track->GetTPCsignal()/tpcResponse->GetExpectedSignal(gP,AliPID::kProton)); | |
998 | ||
999 | delete tpcResponse; | |
1000 | ||
c6909683 | 1001 | if(normalizeddEdx >= fNRatio) |
1002 | return kTRUE; | |
1003 | }//kRatio PID mode | |
0ab648ea | 1004 | //Definition of an N-sigma area around the dE/dx vs P band |
c6909683 | 1005 | else if(fProtonPIDMode == kSigma) { |
2c080079 | 1006 | Double_t fAlephParameters[5]; |
0bb8f6b4 | 1007 | if(fAnalysisMC) { |
e56f08ed | 1008 | fAlephParameters[0] = 2.15898e+00/50.; |
1009 | fAlephParameters[1] = 1.75295e+01; | |
1010 | fAlephParameters[2] = 3.40030e-09; | |
1011 | fAlephParameters[3] = 1.96178e+00; | |
1012 | fAlephParameters[4] = 3.91720e+00; | |
0bb8f6b4 | 1013 | } |
1014 | else { | |
e56f08ed | 1015 | fAlephParameters[0] = 0.0283086; |
1016 | fAlephParameters[1] = 2.63394e+01; | |
1017 | fAlephParameters[2] = 5.04114e-11; | |
1018 | fAlephParameters[3] = 2.12543e+00; | |
1019 | fAlephParameters[4] = 4.88663e+00; | |
0bb8f6b4 | 1020 | } |
2c080079 | 1021 | |
30f87a5b | 1022 | Double_t nsigma = 100.0; |
bc554c73 | 1023 | AliTPCPIDResponse *tpcResponse = new AliTPCPIDResponse(); |
1024 | tpcResponse->SetBetheBlochParameters(fAlephParameters[0],fAlephParameters[1],fAlephParameters[2],fAlephParameters[3],fAlephParameters[4]); | |
2c080079 | 1025 | |
bc554c73 | 1026 | Double_t mom = track->GetP(); |
1027 | const AliExternalTrackParam *in = track->GetInnerParam(); | |
1028 | if (in) | |
1029 | mom = in->GetP(); | |
1030 | ||
1031 | nsigma = TMath::Abs(tpcResponse->GetNumberOfSigmas(mom,track->GetTPCsignal(),track->GetTPCsignalN(),AliPID::kProton)); | |
30f87a5b | 1032 | |
bc554c73 | 1033 | delete tpcResponse; |
2c080079 | 1034 | if(nsigma <= fNSigma) |
87a55728 | 1035 | return kTRUE; |
c6909683 | 1036 | }//kSigma PID method |
0ab648ea | 1037 | |
1038 | return kFALSE; | |
1039 | } | |
1040 | ||
1041 | ||
1042 |