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9dc4f671 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2014, 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 * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | // Comment describing what this class does needed! | |
17 | ||
18 | #include "AliJCorrelations.h" | |
19 | #include "AliJDataManager.h" | |
20 | ||
21 | #include "AliJCorrelations.h" | |
22 | #include "AliJHistos.h" | |
23 | #include "AliJBaseTrack.h" | |
24 | #include "AliJCard.h" | |
25 | #include "AliJHistos.h" | |
26 | #include "AliJRunTable.h" | |
27 | ||
28 | ||
29 | ||
30 | //========================================================================== | |
31 | // don't count the trigger here ! You'll miss the not associated triggers | |
32 | // but you will miss them in the main code too, unles you loop over those | |
33 | // fevent with no cgl (set the masMix to 1) | |
34 | //========================================================================== | |
35 | // blah | |
36 | ||
37 | AliJCorrelations::AliJCorrelations( AliJCard *cardIn, AliJHistos *histosIn) : | |
38 | fcard(cardIn), | |
39 | fhistos(histosIn), | |
40 | fnReal(0), | |
41 | fnMix(0), | |
42 | fsumTriggerAndAssoc(0), | |
43 | fsamplingMethod(0), // flat by default | |
44 | fIsHeavyIon(0), | |
45 | fawayPhiGap(0), | |
46 | fmaxEtaRange(0), | |
47 | fRSignalBin(0), | |
48 | frandom(0x0), | |
49 | fptt(0), | |
50 | fpta(0), | |
51 | fTrackPairEfficiency(0), | |
52 | fIsIsolatedTrigger(false), | |
53 | fpttBin(0), | |
54 | fptaBin(0), | |
55 | fPhiTrigger(0), | |
56 | fPhiAssoc(0), | |
57 | fDeltaPhi(0), | |
58 | fDeltaPhiPiPi(0), | |
59 | fDeltaEta(0), | |
60 | fXlong(0), | |
61 | fNearSide(true), | |
62 | fEtaGapBin(0), | |
63 | fPhiGapBinNear(0), | |
64 | fPhiGapBinAway(0), | |
65 | fRGapBinNear(0), | |
66 | fRGapBinAway(0), | |
67 | fCentralityBin(0), | |
68 | fXlongBin(0), | |
69 | fGeometricAcceptanceCorrection(1) | |
70 | { | |
71 | // constructor | |
72 | ||
73 | fsumTriggerAndAssoc = int( fcard->Get("sumTriggerAndAssoc") ); | |
74 | fmaxEtaRange = fcard->Get("EtaRange"); | |
75 | fRSignalBin = int(fcard->Get("EtaGapSignalBin")); | |
76 | ||
77 | fDPhiUERegion[0] = fcard->Get("DPhiUERegion",0); | |
78 | fDPhiUERegion[1] = fcard->Get("DPhiUERegion",1); | |
79 | cout << fmaxEtaRange <<" fDPhiUERegion[0]="<< fDPhiUERegion[0] <<" fDPhiUERegion[1]="<< fDPhiUERegion[1] <<endl; | |
80 | fIsHeavyIon = AliJRunTable::GetInstance().IsHeavyIon(); | |
81 | ||
82 | // ----------------------------------------------------------------------------------------------- | |
83 | // HARD CODED NUMBERS - VIOLATIONS - BREAKS the code when only on bin used in card.input!!! | |
84 | // Who did this? Further more it us unused variable !!!! | |
85 | // Jan | |
86 | //fawayPhiGap = fcard->GetBinBorder(kEtaGapType, 2); | |
87 | // ----------------------------------------------------------------------------------------------- | |
88 | ||
89 | for(int iRGap=0; iRGap < fcard->GetNoOfBins(kRGapType); iRGap++) | |
90 | fRGap[iRGap] = fcard->GetBinBorder( kRGapType, iRGap); | |
91 | ||
92 | //dPhiRange = fhistos->GetDphiRange(); | |
93 | frandom = new TRandom3(); //FK// frandom generator for jt flow UE | |
94 | frandom->SetSeed(0); //FK// | |
95 | ||
96 | } | |
97 | ||
98 | AliJCorrelations::AliJCorrelations() : | |
99 | fcard(0x0), | |
100 | fhistos(0x0), | |
101 | fnReal(0), | |
102 | fnMix(0), | |
103 | fsumTriggerAndAssoc(0), | |
104 | fsamplingMethod(0), // flat by default | |
105 | fIsHeavyIon(0), | |
106 | fawayPhiGap(0), | |
107 | fmaxEtaRange(0), | |
108 | fRSignalBin(0), | |
109 | frandom(0x0), | |
110 | fptt(0), | |
111 | fpta(0), | |
112 | fTrackPairEfficiency(0), | |
113 | fIsIsolatedTrigger(false), | |
114 | fpttBin(0), | |
115 | fptaBin(0), | |
116 | fPhiTrigger(0), | |
117 | fPhiAssoc(0), | |
118 | fDeltaPhi(0), | |
119 | fDeltaPhiPiPi(0), | |
120 | fDeltaEta(0), | |
121 | fXlong(0), | |
122 | fNearSide(true), | |
123 | fEtaGapBin(0), | |
124 | fPhiGapBinNear(0), | |
125 | fPhiGapBinAway(0), | |
126 | fRGapBinNear(0), | |
127 | fRGapBinAway(0), | |
128 | fCentralityBin(0), | |
129 | fXlongBin(0), | |
130 | fGeometricAcceptanceCorrection(1) | |
131 | { | |
132 | // default constructor | |
133 | } | |
134 | ||
135 | AliJCorrelations::AliJCorrelations(const AliJCorrelations& in) : | |
136 | fcard(in.fcard), | |
137 | fhistos(in.fhistos), | |
138 | fnReal(in.fnReal), | |
139 | fnMix(in.fnMix), | |
140 | fsumTriggerAndAssoc(in.fsumTriggerAndAssoc), | |
141 | fsamplingMethod(in.fsamplingMethod), | |
142 | fIsHeavyIon(in.fIsHeavyIon), | |
143 | fawayPhiGap(in.fawayPhiGap), | |
144 | fmaxEtaRange(in.fmaxEtaRange), | |
145 | fRSignalBin(in.fRSignalBin), | |
146 | frandom(in.frandom), | |
147 | fptt(in.fptt), | |
148 | fpta(in.fpta), | |
149 | fTrackPairEfficiency(in.fTrackPairEfficiency), | |
150 | fIsIsolatedTrigger(in.fIsIsolatedTrigger), | |
151 | fpttBin(in.fpttBin), | |
152 | fptaBin(in.fptaBin), | |
153 | fPhiTrigger(in.fPhiTrigger), | |
154 | fPhiAssoc(in.fPhiAssoc), | |
155 | fDeltaPhi(in.fDeltaPhi), | |
156 | fDeltaPhiPiPi(in.fDeltaPhiPiPi), | |
157 | fDeltaEta(in.fDeltaEta), | |
158 | fXlong(in.fXlong), | |
159 | fNearSide(in.fNearSide), | |
160 | fEtaGapBin(in.fEtaGapBin), | |
161 | fPhiGapBinNear(in.fPhiGapBinNear), | |
162 | fPhiGapBinAway(in.fPhiGapBinAway), | |
163 | fRGapBinNear(in.fRGapBinNear), | |
164 | fRGapBinAway(in.fRGapBinAway), | |
165 | fCentralityBin(in.fCentralityBin), | |
166 | fXlongBin(in.fXlongBin), | |
167 | fGeometricAcceptanceCorrection(in.fGeometricAcceptanceCorrection) | |
168 | { | |
169 | // The pointers to card and histos are just copied. I think this is safe, since they are not created by | |
170 | // AliJCorrelations and thus should not disappear if the AliJCorrelation managing them is destroyed. | |
171 | ||
172 | fDPhiUERegion[0] = in.fDPhiUERegion[0]; | |
173 | fDPhiUERegion[1] = in.fDPhiUERegion[1]; | |
174 | ||
175 | for(int iRGap=0; iRGap < fcard->GetNoOfBins(kRGapType); iRGap++){ | |
176 | fRGap[iRGap] = in.fRGap[iRGap]; | |
177 | } | |
178 | ||
179 | frandom = new TRandom3(); // frandom generator for jt flow UE | |
180 | frandom->SetSeed(0); | |
181 | } | |
182 | ||
183 | AliJCorrelations& AliJCorrelations::operator=(const AliJCorrelations& in){ | |
184 | // Assingment operator | |
185 | ||
186 | if (&in==this) return *this; | |
187 | ||
188 | fptt = in.fptt; | |
189 | fpta = in.fpta; | |
190 | fTrackPairEfficiency = in.fTrackPairEfficiency; | |
191 | fIsIsolatedTrigger = in.fIsIsolatedTrigger; | |
192 | fpttBin = in.fpttBin; | |
193 | fptaBin = in.fptaBin; | |
194 | fPhiTrigger = in.fPhiTrigger; | |
195 | fPhiAssoc = in.fPhiAssoc; | |
196 | fDeltaPhi = in.fDeltaPhi; | |
197 | fDeltaPhiPiPi = in.fDeltaPhiPiPi; | |
198 | fDeltaEta = in.fDeltaEta; | |
199 | fXlong = in.fXlong; | |
200 | fNearSide = in.fNearSide; | |
201 | fEtaGapBin = in.fEtaGapBin; | |
202 | fPhiGapBinNear = in.fPhiGapBinNear; | |
203 | fPhiGapBinAway = in.fPhiGapBinAway; | |
204 | fRGapBinNear = in.fRGapBinNear; | |
205 | fRGapBinAway = in.fRGapBinAway; | |
206 | fCentralityBin = in.fCentralityBin; | |
207 | fXlongBin = in.fXlongBin; | |
208 | fGeometricAcceptanceCorrection = in.fGeometricAcceptanceCorrection; | |
209 | fnReal = in.fnReal; | |
210 | fnMix = in.fnMix; | |
211 | fsumTriggerAndAssoc = in.fsumTriggerAndAssoc; | |
212 | fsamplingMethod = in.fsamplingMethod; | |
213 | fIsHeavyIon = in.fIsHeavyIon; | |
214 | fawayPhiGap = in.fawayPhiGap; | |
215 | fmaxEtaRange = in.fmaxEtaRange; | |
216 | fRSignalBin = in.fRSignalBin; | |
217 | ||
218 | // The pointers to card and histos are just copied. I think this is safe, since they are not created by | |
219 | // AliJCorrelations and thus should not disappear if the AliJCorrelation managing them is destroyed. | |
220 | fcard = in.fcard; | |
221 | fhistos = in.fhistos; | |
222 | ||
223 | fDPhiUERegion[0] = in.fDPhiUERegion[0]; | |
224 | fDPhiUERegion[1] = in.fDPhiUERegion[1]; | |
225 | ||
226 | for(int iRGap=0; iRGap < fcard->GetNoOfBins(kRGapType); iRGap++){ | |
227 | fRGap[iRGap] = in.fRGap[iRGap]; | |
228 | } | |
229 | ||
230 | frandom = new TRandom3(); // frandom generator for jt flow UE | |
231 | frandom->SetSeed(0); | |
232 | ||
233 | return *this; | |
234 | // copy constructor | |
235 | } | |
236 | ||
237 | ||
238 | void AliJCorrelations::FillHisto(corrFillType cFTyp, fillType fTyp, int cBin, int zBin, AliJBaseTrack *ftk1, AliJBaseTrack *ftk2){ | |
239 | // histo filler | |
240 | if( cFTyp == kAzimuthFill ) | |
241 | FillAzimuthHistos( fTyp, cBin, zBin, ftk1, ftk2); | |
242 | ||
243 | } | |
244 | ||
245 | //============================================================================================= | |
246 | void AliJCorrelations::FillAzimuthHistos(fillType fTyp, int CentBin, int ZBin, AliJBaseTrack *ftk1, AliJBaseTrack *ftk2) | |
247 | //============================================================================================= | |
248 | { | |
249 | // histo filler | |
250 | bool twoTracks = false; | |
a2946612 | 251 | if(ftk1->GetParticleType()==kJHadron && ftk2->GetParticleType()==kJHadron) twoTracks =true; |
9dc4f671 | 252 | |
253 | //double-counting check | |
254 | if(fTyp == kReal && twoTracks && ftk1->GetID()==ftk2->GetID()) return; | |
255 | ||
256 | // Accept only unlike sign pairs | |
257 | //if(ftk1->GetCharge() > 0 && ftk2->GetCharge() > 0) return; | |
258 | //if(ftk1->GetCharge() < 0 && ftk2->GetCharge() < 0) return; | |
259 | ||
260 | //---------------------------------------------------------------- | |
261 | fptt = ftk1->Pt(); | |
262 | fpta = ftk2->Pt(); | |
263 | ||
264 | fTrackPairEfficiency = 1./( ftk1->GetTrackEff() * ftk2->GetTrackEff() ); | |
265 | ||
266 | fIsIsolatedTrigger = ftk1->GetIsIsolated()>0 ? true : false; //FK// trigger particle is isolated hadron | |
267 | ||
268 | //phit= ftk1->Phi(); //for RP | |
269 | fpttBin = ftk1->GetTriggBin(); | |
270 | fptaBin = ftk2->GetAssocBin(); | |
271 | fPhiTrigger = ftk1->Phi(); | |
272 | fPhiAssoc = ftk2->Phi(); | |
273 | fDeltaPhi = DeltaPhi(fPhiTrigger, fPhiAssoc); //radians | |
274 | fDeltaPhiPiPi = atan2(sin(fPhiTrigger-fPhiAssoc), cos(fPhiTrigger-fPhiAssoc)); | |
275 | fDeltaEta = ftk1->Eta() - ftk2->Eta(); | |
276 | //double dEtaFar = ftk1->Eta() + ftk2->Eta(); | |
277 | ||
278 | fNearSide = cos(fPhiTrigger-fPhiAssoc) > 0 ? true : false; | |
279 | ||
280 | fEtaGapBin = fcard->GetBin( kEtaGapType, fabs(fDeltaEta)); | |
281 | fPhiGapBinNear = fcard->GetBin( kEtaGapType, fabs(fDeltaPhiPiPi) ); | |
282 | fPhiGapBinAway = fcard->GetBin( kEtaGapType, fabs(fDeltaPhi-kJPi) ); //here the angle must be 0-2pi and not (-pi,pi) | |
283 | fRGapBinNear = fcard->GetBin( kRGapType, fabs(ftk1->DeltaR(*ftk2))); | |
284 | fRGapBinAway = fcard->GetBin( kRGapType, sqrt(pow(fDeltaPhi-kJPi,2)+fDeltaEta*fDeltaEta) ); | |
285 | fCentralityBin = CentBin; | |
286 | ||
287 | TLorentzVector vTrigger = ftk1->GetLorentzVector(), vAssoc = ftk2->GetLorentzVector(); // Lorentz vectors for trigger and associated particles | |
288 | fXlong = vTrigger.Vect().Dot(vAssoc.Vect())/pow(vTrigger.P(),2); | |
289 | fXlongBin = fcard->GetBin(kXeType, TMath::Abs(fXlong)); | |
290 | ||
291 | //if( rGapBin != fRGapBinNear ) cout<<"dR vs fRGapBinNear = "<<rGapBin<<"\t"<<fRGapBinNear<<endl; | |
292 | //if( rGapBin != fRGapBinAway ) cout<<"dR vs fRGapBinAway = "<<rGapBin<<"\t"<<fRGapBinAway<<endl; | |
293 | //---------------------------------------------------------------- | |
294 | ||
295 | //acceptance correction triangle or mixed fevent | |
296 | // fGeometricAcceptanceCorrection = 1; | |
297 | fGeometricAcceptanceCorrection = ( fsamplingMethod == 0 ) ? GetGeoAccCorrFlat(fDeltaEta) : GetGeoAccCorrIncl(fDeltaEta); | |
298 | ||
299 | ||
300 | if(fpttBin<0 || fptaBin<0 || fEtaGapBin<0 ){ | |
301 | cout<<"Error in FillAzimuthHistos: some pT or eta out of bin. pttBin="<<fpttBin<<" pTaBin="<<fptaBin <<" etaGapBin="<< fEtaGapBin << endl; | |
302 | ftk1->Print(); | |
303 | ftk2->Print(); | |
304 | exit(-1); | |
305 | //return; | |
306 | } | |
307 | ||
308 | if(fDeltaPhi==0) cout <<" fdphi=0; fptt="<< fptt<<" fpta="<<fpta<<" TID="<<ftk1->GetID()<<" AID="<<ftk2->GetID() <<" tphi="<< fPhiTrigger <<" aphi="<< fPhiAssoc << endl; | |
309 | ||
310 | // =================================================================== | |
311 | // ===================== Fill Histograms =========================== | |
312 | // =================================================================== | |
313 | ||
314 | bool fill2DBackgroundQualityControlHistograms = false; // Choose whether to fill the DeltaPhi DeltaEta histograms for jT background | |
315 | ||
316 | //FillPairPtAndCosThetaStarHistograms(fTyp, ftk1, ftk2); // Fill the pair pT and cos(theta*) histograms TODO: Does not work! Needs debugging | |
317 | FillXeHistograms(fTyp); // Fill the xE and xLong histograms | |
318 | FillJtHistograms(fTyp, ftk1, ftk2, fill2DBackgroundQualityControlHistograms); // Fill the jT and pout histograms togerher with some background quality assurance histograms | |
319 | FillDeltaEtaHistograms(fTyp, ZBin); // Fill all the delta eta histograms | |
320 | FillDeltaPhiHistograms(fTyp); // Fill the azimuthal correlation functions | |
321 | FillPtaHistograms(fTyp); // Fill various pTa histograms | |
322 | FillIAAAndMoonHistograms(fTyp, ZBin); // Fill the I_AA and moon histograms | |
323 | ||
324 | } | |
325 | ||
326 | ||
327 | void AliJCorrelations::FillPairPtAndCosThetaStarHistograms(fillType fTyp, AliJBaseTrack *ftk1, AliJBaseTrack *ftk2) | |
328 | { | |
329 | // This method fills the pair pT and Cos(thata*) histograms | |
330 | ||
331 | TVector3 v3trigg = ftk1->GetLorentzVector().Vect(); | |
332 | TVector3 v3assoc = ftk2->GetLorentzVector().Vect(); | |
333 | double pairMass = sqrt(2*v3trigg.Mag()*v3assoc.Mag()*(1-cos(v3trigg.Angle(v3assoc)))); | |
334 | int imass = fcard->GetBin(kMassType, pairMass); | |
335 | TVector3 v3pairPt = v3trigg + v3assoc; | |
336 | double pairPt = v3pairPt.Perp(); | |
337 | double wPairPt = pairPt>0 ? 1/pairPt : 0; | |
338 | ||
339 | //================================ | |
340 | // Pair pT and cos(Theta^star) === // TODO: Needs debugging, the code below does not work! | |
341 | //================================ | |
342 | ||
343 | if(!fNearSide) { | |
344 | fhistos->fhPairPt[fTyp][fpttBin][fptaBin]->Fill( pairPt, fTrackPairEfficiency); | |
345 | double pairDphi = v3pairPt.DeltaPhi(v3trigg); | |
346 | if(pairDphi<-kJPi/3.0) pairDphi += kJTwoPi; | |
347 | fhistos->fhPairPtDphi[fTyp][fpttBin][fptaBin]->Fill( pairDphi/kJPi ); | |
348 | } | |
349 | ||
350 | if ( fTyp == kReal ) { | |
351 | //cout<<" fptt="<< fptt <<" fpta="<< fpta <<" fdphi="<< fDeltaPhi <<" pairPt="<< pairPt << endl; | |
352 | ||
353 | int ipairPt = fcard->IsLessThanUpperPairPtCut(pairPt); | |
354 | //cout<<"ppt="<<pairPt<<" mass="<<pairMass<<" ip="<<ipairPt<<" im="<<imass<<endl; | |
355 | if(imass>=0) { | |
356 | fhistos->fhPairPtMass[imass]->Fill( pairPt, fTrackPairEfficiency*wPairPt ); | |
357 | fhistos->fhPairDPhi[imass]->Fill( fDeltaPhi/kJPi, fTrackPairEfficiency ); | |
358 | fhistos->fhPairDpT[imass]->Fill( fptt-fpta, fTrackPairEfficiency ); | |
359 | } | |
360 | if(imass>=0 && ipairPt>=0 ){ | |
361 | double cmsRap = (ftk1->Eta()+ftk2->Eta())/2.; | |
362 | double cosThetaStar = fabs(cos(2*atan(exp(-ftk1->Eta()+cmsRap)))); | |
363 | fhistos->fhCosThetaStar[fTyp][ipairPt][imass]->Fill( cosThetaStar, fTrackPairEfficiency ); | |
364 | ||
365 | //frandom boost, Let's try just trigger phi as a cms boost. | |
366 | cosThetaStar = fabs(cos(2*atan(exp(-ftk1->Eta()+fPhiTrigger)))); | |
367 | fhistos->fhCosThetaStar[kMixed][ipairPt][imass]->Fill( cosThetaStar, fTrackPairEfficiency ); | |
368 | ||
369 | fhistos->fhInvMass[ipairPt]->Fill(pairMass, fTrackPairEfficiency); | |
370 | fhistos->fhCMSrap[ipairPt][imass]->Fill( cosThetaStar, cmsRap*fTrackPairEfficiency ); | |
371 | fhistos->fpCMSrap->Fill( cosThetaStar, fabs(cmsRap)*fTrackPairEfficiency ); | |
372 | } | |
373 | } | |
374 | ||
375 | //--------------------------------- | |
376 | //if(pairMass>10 && fcard->IsLessThanUpperPairPtCut(pairPt) ){ | |
377 | // cout<<pairMass<<" e1="<<ftk1->Eta()-cmsRap<<" e2="<<ftk2->Eta()-cmsRap<<" cms="<<cmsRap; | |
378 | // cout<<" ppt="<<pairPt<<" tphi="<<fPhiTrigger<<" aphi="<<fPhiAssoc<<" t1="<<fptt<<" t2="<<fpta<<endl; | |
379 | // double thetaStar = fabs(2*atan(exp(-ftk1->Eta()-cmsRap))); | |
380 | // cout<<thetaStar<<" "<<fabs(cos(thetaStar))<<endl; | |
381 | //} | |
382 | ||
383 | //--------------------------------- | |
384 | } | |
385 | ||
386 | void AliJCorrelations::FillXeHistograms(fillType fTyp) | |
387 | { | |
388 | // This method fills the xE and xLong histograms | |
389 | ||
390 | double xe = -fpta*cos(fPhiTrigger-fPhiAssoc)/fptt; | |
391 | ||
392 | if( fTyp == kReal ) { | |
393 | fhistos->fhxEPtBin[0][fpttBin][fptaBin]->Fill(fXlong, fGeometricAcceptanceCorrection * fTrackPairEfficiency); | |
394 | if( fNearSide ) { | |
395 | fhistos->fhxEPtBin[1][fpttBin][fptaBin]->Fill(fXlong, fGeometricAcceptanceCorrection * fTrackPairEfficiency); | |
396 | } else { | |
397 | fhistos->fhxEPtBin[2][fpttBin][fptaBin]->Fill(fXlong, fGeometricAcceptanceCorrection * fTrackPairEfficiency); | |
398 | } | |
399 | } | |
400 | ||
401 | if(fNearSide) { | |
402 | fhistos->fhxEN [fTyp][fpttBin]->Fill(-xe, fGeometricAcceptanceCorrection * fTrackPairEfficiency); | |
403 | } else { | |
404 | fhistos->fhxEF [fTyp][fpttBin]->Fill(xe, fGeometricAcceptanceCorrection * fTrackPairEfficiency); | |
405 | if(fIsIsolatedTrigger) fhistos->fhxEFIsolTrigg[fTyp][fpttBin]->Fill(xe, fGeometricAcceptanceCorrection * fTrackPairEfficiency); | |
406 | } | |
407 | } | |
408 | ||
409 | void AliJCorrelations::FillJtHistograms(fillType fTyp, AliJBaseTrack *ftk1, AliJBaseTrack *ftk2, bool fill2DBackground) | |
410 | { | |
411 | // This method fills the jT and pout histograms | |
412 | ||
413 | double pout = fabs(fpta*sin(fPhiTrigger-fPhiAssoc)); | |
414 | ||
415 | if(fNearSide) { | |
416 | ||
417 | TLorentzVector vTrigger = ftk1->GetLorentzVector(), vAssoc = ftk2->GetLorentzVector(); // Lorentz vectors for tracks | |
418 | ||
419 | double jt = vAssoc.Perp(vTrigger.Vect()); | |
420 | double weight = jt > 1e-3 ? fGeometricAcceptanceCorrection * fTrackPairEfficiency/jt : 0; | |
421 | ||
422 | int iKlongBin = fcard->GetBin(kLongType, vTrigger.Vect().Dot(vAssoc.Vect())/vTrigger.P()); | |
423 | if(iKlongBin>=0){ | |
424 | fhistos->fhJTKlong[fTyp][fCentralityBin][fpttBin][iKlongBin]->Fill(jt, weight); | |
425 | //cout <<" jt="<< jt <<" geo="<< fGeometricAcceptanceCorrection <<" eff="<< fTrackPairEfficiency <<" w="<< fGeometricAcceptanceCorrection * fTrackPairEfficiency/jt <<endl; | |
426 | } | |
427 | if(fXlongBin>=0){ | |
428 | fhistos->fhJT[fTyp][fCentralityBin][fpttBin][fXlongBin]->Fill(jt, weight); | |
429 | //cout <<" jt="<< jt <<" geo="<< fGeometricAcceptanceCorrection <<" eff="<< fTrackPairEfficiency <<" w="<< fGeometricAcceptanceCorrection * fTrackPairEfficiency/jt <<endl; | |
430 | } | |
431 | if(fptaBin>=0){ | |
432 | fhistos->fhJTPta[fTyp][fCentralityBin][fpttBin][fptaBin]->Fill(jt, weight); | |
433 | //cout <<" jt="<< jt <<" geo="<< fGeometricAcceptanceCorrection <<" eff="<< fTrackPairEfficiency <<" w="<< fGeometricAcceptanceCorrection * fTrackPairEfficiency/jt <<endl; | |
434 | } | |
435 | ||
436 | TLorentzVector vAssocRndm; | |
437 | TLorentzVector vThrustRndm; | |
438 | ||
439 | //------------------------------------- | |
440 | // Rapidity Gap background | |
441 | // ------------------------------------ | |
442 | double etaTriggRndm, etaAssocRndm; | |
443 | double dphiAssocRndm = 0; | |
444 | ||
445 | if(fTyp==kReal && ( fEtaGapBin >=0 || fRGapBinNear >=0 ) ){ | |
446 | for(int iEtaGap=0; iEtaGap<=fEtaGapBin; iEtaGap++) fhistos->fhPtaEtaGapN[fCentralityBin][iEtaGap][fpttBin]->Fill(fpta, fTrackPairEfficiency); | |
447 | for(int iRGap=0; iRGap<=fRGapBinNear; iRGap++) fhistos->fhPtaRGapN[fCentralityBin][iRGap][fpttBin]->Fill(fpta, fTrackPairEfficiency); | |
448 | for(int itrial=0; itrial<20; itrial++){ //For each high eta gap track generate ten others | |
449 | ||
450 | if(fsamplingMethod == 0){ | |
451 | etaTriggRndm = frandom->Uniform(-fmaxEtaRange, fmaxEtaRange); | |
452 | etaAssocRndm = frandom->Uniform(-fmaxEtaRange, fmaxEtaRange); | |
453 | } else { | |
454 | etaTriggRndm = fhistos->fhIetaTriggFromFile[fCentralityBin][fpttBin]->GetRandom(); | |
455 | etaAssocRndm = fhistos->fhIetaAssocFromFile[fCentralityBin][fptaBin]->GetRandom(); | |
456 | } | |
457 | if( fEtaGapBin >=0 || fRGapBinNear >=0 ) { | |
458 | if( fsamplingMethod == 0) { | |
459 | dphiAssocRndm = kJPi * frandom->Uniform(-0.5, 0.5); | |
460 | } else { | |
461 | dphiAssocRndm = fhistos->fhIphiAssocFromFile[fCentralityBin][fptaBin]->GetRandom(); | |
462 | } | |
463 | vAssocRndm.SetPtEtaPhiM(fpta, etaAssocRndm, fPhiTrigger + dphiAssocRndm, 0); //set randomized assoc TLorentz vector | |
464 | } else { | |
465 | vAssocRndm.SetPtEtaPhiM(fpta, etaAssocRndm, fPhiAssoc, 0); //set randomized assoc TLorentz vector | |
466 | } | |
467 | ||
468 | vThrustRndm.SetPtEtaPhiM(vTrigger.Pt(),etaTriggRndm, fPhiTrigger, 0); | |
469 | ||
470 | double dEtaRndm = etaTriggRndm - etaAssocRndm; | |
471 | double geoAccCorrRndm = (fsamplingMethod == 0 || fPhiGapBinNear<0 ) ? GetGeoAccCorrFlat(dEtaRndm) : GetGeoAccCorrIncl(dEtaRndm); | |
472 | ||
473 | jt = vAssocRndm.Perp(vThrustRndm.Vect()); | |
474 | ||
475 | // TODO : shadowing of iKlongBin | |
476 | int jKlongBin = fcard->GetBin(kLongType, vThrustRndm.Vect().Dot(vAssocRndm.Vect())/vThrustRndm.P()); | |
477 | if(jKlongBin>=0){ // | |
478 | if(jt>1e-3) { //here we used and BgFidCut | |
479 | for(int iEtaGap=0; iEtaGap<=fEtaGapBin; iEtaGap++){ | |
480 | fhistos->fhJTKlongBg[fCentralityBin][iEtaGap][fpttBin][jKlongBin]->Fill(jt, geoAccCorrRndm * fTrackPairEfficiency/jt); | |
481 | if(fill2DBackground) fhistos->fhDphiDetaKlong[fCentralityBin][iEtaGap][fpttBin][jKlongBin]->Fill(dEtaRndm, dphiAssocRndm, geoAccCorrRndm * fTrackPairEfficiency); | |
482 | fhistos->fhBgAssocKlong[fCentralityBin][iEtaGap][fpttBin][jKlongBin]->Fill(fpta, fTrackPairEfficiency); | |
483 | } | |
484 | for(int iRGap=0; iRGap<=fRGapBinNear; iRGap++){ | |
485 | fhistos->fhJTKlongBgR[fCentralityBin][iRGap][fpttBin][jKlongBin]->Fill(jt, geoAccCorrRndm * fTrackPairEfficiency/jt); | |
486 | if(fill2DBackground) fhistos->fhDphiDetaKlongR[fCentralityBin][iRGap][fpttBin][jKlongBin]->Fill(dEtaRndm, dphiAssocRndm, geoAccCorrRndm * fTrackPairEfficiency); | |
487 | fhistos->fhBgAssocKlongR[fCentralityBin][iRGap][fpttBin][jKlongBin]->Fill(fpta, fTrackPairEfficiency); | |
488 | } | |
489 | } | |
490 | } | |
491 | int iXeBin = fcard->GetBin(kXeType, vThrustRndm.Vect().Dot(vAssocRndm.Vect())/pow(vThrustRndm.P(),2) ); | |
492 | if(iXeBin>=0){ | |
493 | if(jt>1e-3) { //here we used and BgFidCut | |
494 | for(int iEtaGap=0; iEtaGap<=fEtaGapBin; iEtaGap++){ | |
495 | fhistos->fhJTBg[fCentralityBin][iEtaGap][fpttBin][iXeBin]->Fill(jt, geoAccCorrRndm * fTrackPairEfficiency/jt); | |
496 | if(fill2DBackground) fhistos->fhDphiDetaXe[fCentralityBin][iEtaGap][fpttBin][iXeBin]->Fill(dEtaRndm, dphiAssocRndm, geoAccCorrRndm * fTrackPairEfficiency); | |
497 | fhistos->fhBgAssocXe[fCentralityBin][iEtaGap][fpttBin][iXeBin]->Fill(fpta, fTrackPairEfficiency); | |
498 | } | |
499 | for(int iRGap=0; iRGap<=fRGapBinNear; iRGap++){ | |
500 | fhistos->fhJTBgR[fCentralityBin][iRGap][fpttBin][iXeBin]->Fill(jt, geoAccCorrRndm * fTrackPairEfficiency/jt); | |
501 | if(fill2DBackground) fhistos->fhDphiDetaXeR[fCentralityBin][iRGap][fpttBin][iXeBin]->Fill(dEtaRndm, dphiAssocRndm, geoAccCorrRndm * fTrackPairEfficiency); | |
502 | fhistos->fhBgAssocXeR[fCentralityBin][iRGap][fpttBin][iXeBin]->Fill(fpta, fTrackPairEfficiency); | |
503 | } | |
504 | } | |
505 | } | |
506 | if(fptaBin>=0){ | |
507 | if(jt>1e-3) { //here we used and BgFidCut | |
508 | for(int iEtaGap=0; iEtaGap<=fEtaGapBin; iEtaGap++){ | |
509 | fhistos->fhJTPtaBg[fCentralityBin][iEtaGap][fpttBin][fptaBin]->Fill(jt, geoAccCorrRndm * fTrackPairEfficiency/jt); | |
510 | if(fill2DBackground) fhistos->fhDphiDetaPta[fCentralityBin][iEtaGap][fpttBin][fptaBin]->Fill(dEtaRndm, dphiAssocRndm, geoAccCorrRndm * fTrackPairEfficiency); | |
511 | fhistos->fhBgAssocPta[fCentralityBin][iEtaGap][fpttBin][fptaBin]->Fill(fpta, fTrackPairEfficiency); | |
512 | } | |
513 | for(int iRGap=0; iRGap<=fRGapBinNear; iRGap++){ | |
514 | fhistos->fhJTPtaBgR[fCentralityBin][iRGap][fpttBin][fptaBin]->Fill(jt, geoAccCorrRndm * fTrackPairEfficiency/jt); | |
515 | if(fill2DBackground) fhistos->fhDphiDetaPtaR[fCentralityBin][iRGap][fpttBin][fptaBin]->Fill(dEtaRndm, dphiAssocRndm, geoAccCorrRndm * fTrackPairEfficiency); | |
516 | fhistos->fhBgAssocPtaR[fCentralityBin][iRGap][fpttBin][fptaBin]->Fill(fpta, fTrackPairEfficiency); | |
517 | } | |
518 | } | |
519 | } | |
520 | } //trials | |
521 | }// Eta Gap Random | |
522 | ||
523 | ||
524 | } else { | |
525 | fhistos->fhPoutF[fTyp][fCentralityBin][fpttBin][fptaBin]->Fill(pout, fGeometricAcceptanceCorrection * fTrackPairEfficiency); | |
526 | } | |
527 | } | |
528 | ||
529 | void AliJCorrelations::FillDeltaEtaHistograms(fillType fTyp, int ZBin) | |
530 | { | |
531 | // This method fills the DeltaEta histograms | |
532 | ||
533 | if( fNearSide ){ //one could check the phiGapBin, but in the pi/2 <1.6 and thus phiGap is always>-1 | |
534 | if( fTyp == 0 ) { | |
535 | fhistos->fhDEtaNear[fCentralityBin][ZBin][fPhiGapBinNear][fpttBin][fptaBin]->Fill( fDeltaEta , fGeometricAcceptanceCorrection * fTrackPairEfficiency ); | |
536 | if(fXlongBin>=0) fhistos->fhDEtaNearXEbin[fCentralityBin][ZBin][fPhiGapBinNear][fpttBin][fXlongBin]->Fill( fDeltaEta , fGeometricAcceptanceCorrection * fTrackPairEfficiency ); | |
537 | } else { | |
538 | fhistos->fhDEtaNearM[fCentralityBin][ZBin][fPhiGapBinNear][fpttBin][fptaBin]->Fill( fDeltaEta , fGeometricAcceptanceCorrection * fTrackPairEfficiency ); | |
539 | if(fXlongBin>=0) fhistos->fhDEtaNearMXEbin[fCentralityBin][ZBin][fPhiGapBinNear][fpttBin][fXlongBin]->Fill( fDeltaEta , fGeometricAcceptanceCorrection * fTrackPairEfficiency ); | |
540 | } | |
541 | } else { | |
542 | if(fPhiGapBinAway<=3) fhistos->fhDEtaFar[fTyp][fCentralityBin][fpttBin]->Fill( fDeltaEta, fGeometricAcceptanceCorrection * fTrackPairEfficiency ); | |
543 | } | |
544 | } | |
545 | ||
546 | void AliJCorrelations::FillDeltaPhiHistograms(fillType fTyp) | |
547 | { | |
548 | // This method fills the DeltaPhi histograms | |
549 | ||
550 | // When hists are filled for thresholds they are not properly normalized and need to be subtracted | |
551 | // This induced improper errors - subtraction of not-independent entries | |
552 | ||
553 | fhistos->fhDphiAssoc[fTyp][fCentralityBin][fEtaGapBin][fpttBin][fptaBin]->Fill( fDeltaPhi/kJPi , fGeometricAcceptanceCorrection * fTrackPairEfficiency); | |
554 | if(fXlongBin>=0) fhistos->fhDphiAssocXEbin[fTyp][fCentralityBin][fEtaGapBin][fpttBin][fXlongBin]->Fill( fDeltaPhi/kJPi , fGeometricAcceptanceCorrection * fTrackPairEfficiency); | |
555 | ||
556 | if(fIsIsolatedTrigger) fhistos->fhDphiAssocIsolTrigg[fTyp][fCentralityBin][fpttBin][fptaBin]->Fill( fDeltaPhi/kJPi , fGeometricAcceptanceCorrection * fTrackPairEfficiency); //FK// | |
557 | } | |
558 | ||
559 | void AliJCorrelations::FillPtaHistograms(fillType fTyp) | |
560 | { | |
561 | // This method fills various pta histograms | |
562 | ||
563 | if ( fTyp == kReal ) { | |
564 | //must be here, not in main, to avoid counting triggers | |
565 | fhistos->fhAssocPtBin[fCentralityBin][fpttBin][fptaBin]->Fill(fpta ); //I think It should not be weighted by Eff | |
566 | ||
567 | //++++++++++++++++++++++++++++++++++++++++++++++++++ | |
568 | // in order to get mean pTa in the jet peak one has | |
569 | // to fill fhMeanPtAssoc in |DeltaEta|<0.4 | |
570 | // +++++++++++++++++++++++++++++++++++++++++++++++++ | |
571 | if(fEtaGapBin>=0 && fEtaGapBin<2){ | |
572 | fhistos->fhMeanPtAssoc[fCentralityBin][fpttBin][fptaBin]->Fill( fDeltaPhi/kJPi , fpta ); | |
573 | fhistos->fhMeanZtAssoc[fCentralityBin][fpttBin][fptaBin]->Fill( fDeltaPhi/kJPi , fpta/fptt); | |
574 | } | |
575 | ||
576 | //UE distribution | |
577 | if(fabs(fDeltaPhiPiPi/kJPi)>fDPhiUERegion[0] && fabs(fDeltaPhiPiPi/kJPi)<fDPhiUERegion[1]){ | |
578 | for(int iEtaGap=0; iEtaGap<=fEtaGapBin; iEtaGap++) //FK// UE Pta spectrum for different eta gaps | |
579 | fhistos->fhPtAssocUE[fCentralityBin][iEtaGap][fpttBin]->Fill(fpta, fTrackPairEfficiency); | |
580 | if(fIsIsolatedTrigger){ //FK// trigger is isolated hadron | |
581 | fhistos->fhPtAssocUEIsolTrigg[fpttBin]->Fill(fpta, fTrackPairEfficiency); //FK// | |
582 | } | |
583 | } | |
584 | if(fabs(fDeltaPhi/kJPi)<0.15) fhistos->fhPtAssocN[fpttBin]->Fill(fpta, fTrackPairEfficiency); | |
585 | if(fabs(fDeltaPhi/kJPi-1)<0.15) fhistos->fhPtAssocF[fpttBin]->Fill(fpta, fTrackPairEfficiency); | |
586 | ||
587 | fnReal++; | |
588 | } else { // only mix | |
589 | fnMix++; | |
590 | } | |
591 | } | |
592 | ||
593 | void AliJCorrelations::FillIAAAndMoonHistograms(fillType fTyp, int ZBin) | |
594 | { | |
595 | // This method fills the I_AA and moon histograms | |
596 | ||
597 | fhistos->fhDphiAssoc2DIAA[fTyp][fCentralityBin][ZBin][fpttBin][fptaBin]->Fill( fDeltaEta, fDeltaPhi/kJPi, fTrackPairEfficiency); | |
598 | ||
599 | if(fRGapBinNear>=0){ | |
600 | if(fRGapBinNear <= fRSignalBin) fhistos->fhDRNearPt[fTyp][fCentralityBin][ZBin][fRGapBinNear][fpttBin]->Fill( fpta, fGeometricAcceptanceCorrection * fTrackPairEfficiency ); | |
601 | // - moon - | |
602 | if(fRGapBinNear>0){ | |
603 | for( int irs = 0; irs <= fRSignalBin;irs++ ){ | |
604 | if( fRGapBinNear < irs ) continue; | |
605 | if( fPhiGapBinNear > irs ) continue; | |
606 | for ( int ir1=0;ir1<= fRGapBinNear;ir1++ ){ | |
607 | if( irs > ir1 ) continue; | |
608 | if( ir1 > fRGapBinNear ) continue; | |
609 | double rGapS= fRGap[irs+1]; | |
610 | double rGap1= fRGap[ir1+1]; | |
611 | if( rGap1 < TMath::Abs(fDeltaPhiPiPi) ) continue; | |
612 | if( rGapS < TMath::Abs(fDeltaPhiPiPi) ) continue; | |
613 | double dEtaMin = sqrt(rGap1*rGap1-fDeltaPhiPiPi*fDeltaPhiPiPi); | |
614 | double dEtaMax = dEtaMin + sqrt(rGapS*rGapS-fDeltaPhiPiPi*fDeltaPhiPiPi); | |
615 | double eta = TMath::Abs( fDeltaEta ); | |
616 | if( eta > dEtaMin && eta < dEtaMax ){ | |
617 | //if( eta > dEtaMin && eta < dEtaMax && fDeltaEta <0 ){ | |
618 | // xxx | |
619 | // fhistos->hDRNearPtMoon[fTyp][fCentralityBin][ZBin][ir1][irs][fpttBin]->Fill( fpta, fGeometricAcceptanceCorrection * fTrackPairEfficiency ); | |
620 | ||
621 | if( fTyp == 0 ) | |
622 | fhistos->fhDRNearPtMoon[fCentralityBin][ZBin][ir1][irs][fpttBin]->Fill( fpta, fGeometricAcceptanceCorrection * fTrackPairEfficiency ); | |
623 | else | |
624 | fhistos->fhDRNearPtMoonM[fCentralityBin][ZBin][ir1][irs][fpttBin]->Fill( fpta, fGeometricAcceptanceCorrection * fTrackPairEfficiency ); | |
625 | if(fTyp == kReal) fhistos->fhDphiAssoc2D[ir1][irs]->Fill( fDeltaEta, fDeltaPhi/kJPi, fGeometricAcceptanceCorrection * fTrackPairEfficiency ); | |
626 | } | |
627 | } | |
628 | } | |
629 | } | |
630 | } | |
631 | ||
632 | if(fRGapBinAway>=0){ | |
633 | if(fRGapBinAway <= fRSignalBin) fhistos->fhDRFarPt[fTyp][fCentralityBin][ZBin][fRGapBinAway][fpttBin]->Fill( fpta, fGeometricAcceptanceCorrection * fTrackPairEfficiency ); | |
634 | // - moon - | |
635 | if(fRGapBinAway>0){ | |
636 | for( int irs = 0; irs <= fRSignalBin;irs++ ){ | |
637 | if( fRGapBinAway < irs ) continue; | |
638 | if( fPhiGapBinAway > irs ) continue; | |
639 | for ( int ir1=0;ir1<= fRGapBinAway;ir1++ ){ | |
640 | if( irs > ir1 ) continue; | |
641 | if( ir1 > fRGapBinAway ) continue; | |
642 | double rGapS= fRGap[irs+1]; | |
643 | double rGap1= fRGap[ir1+1]; | |
644 | if( rGap1 < TMath::Abs(fDeltaPhi-kJPi) ) continue; | |
645 | if( rGapS < TMath::Abs(fDeltaPhi-kJPi) ) continue; | |
646 | double dEtaMin = sqrt(rGap1*rGap1- (fDeltaPhi-kJPi)*(fDeltaPhi-kJPi) ); | |
647 | double dEtaMax = dEtaMin + sqrt(rGapS*rGapS-(fDeltaPhi-kJPi)*(fDeltaPhi-kJPi) ); | |
648 | double eta = TMath::Abs( fDeltaEta ); | |
649 | if( eta > dEtaMin && eta < dEtaMax ){ | |
650 | //if( eta > dEtaMin && eta < dEtaMax && fDeltaEta <0 ){ | |
651 | // xxx | |
652 | // fhistos->hDRFarPtMoon[fTyp][fCentralityBin][ZBin][ir1][irs][fpttBin]->Fill( fpta, fGeometricAcceptanceCorrection * fTrackPairEfficiency ); | |
653 | if( fTyp == 0 ) | |
654 | fhistos->fhDRFarPtMoon[fCentralityBin][ZBin][ir1][irs][fpttBin]->Fill( fpta, fGeometricAcceptanceCorrection * fTrackPairEfficiency ); | |
655 | else | |
656 | fhistos->fhDRFarPtMoonM[fCentralityBin][ZBin][ir1][irs][fpttBin]->Fill( fpta, fGeometricAcceptanceCorrection * fTrackPairEfficiency ); | |
657 | ||
658 | if(fTyp == kReal) fhistos->fhDphiAssoc2D[ir1][irs]->Fill( fDeltaEta, fDeltaPhi/kJPi, fGeometricAcceptanceCorrection * fTrackPairEfficiency ); | |
659 | } | |
660 | } | |
661 | } | |
662 | } | |
663 | } | |
664 | } | |
665 | ||
666 | ||
667 | double AliJCorrelations::GetGeoAccCorrFlat(double deltaEta){ | |
668 | //FK// calculate acceptance correction on pseudorapidity triangle | |
669 | double absDEta = fabs(deltaEta); | |
670 | ||
671 | double denominator = 1 - absDEta/(2*fmaxEtaRange); | |
672 | //double denominator = 1 - (absDEta - ftriggFiducCut)/(2*fmaxEtaRange-2*ftriggFiducCut);//When Fid>0 max_Deta je mensi nez 2*EtaMax | |
673 | //double denominator = 1 - (absDEta - ftriggFiducCut)/(2*fmaxEtaRange-ftriggFiducCut); | |
674 | if(denominator > 1e-6) | |
675 | return 1.0/denominator; | |
676 | else | |
677 | return 0; | |
678 | } | |
679 | ||
680 | double AliJCorrelations::GetGeoAccCorrIncl(double deltaEta){ | |
681 | // histo filler | |
682 | ||
683 | if(fhistos->fhDEtaNearMixFromFile[fCentralityBin][fpttBin][fptaBin]->GetEntries()<1000) return GetGeoAccCorrFlat(deltaEta); | |
684 | ||
685 | int bin = fhistos->fhDEtaNearMixFromFile[fCentralityBin][fpttBin][fptaBin]->FindBin(deltaEta); | |
686 | double denominator = fhistos->fhDEtaNearMixFromFile[fCentralityBin][fpttBin][fptaBin]->GetBinContent(bin); | |
687 | if(denominator > 1e-6) | |
688 | return 1.0/denominator; | |
689 | else | |
690 | return 0; | |
691 | ||
692 | } | |
693 | ||
694 | double AliJCorrelations::DeltaPhi(double phi1, double phi2) { | |
695 | // dphi | |
696 | double res = atan2(sin(phi1-phi2), cos(phi1-phi2)); | |
697 | //double res = phi1 - phi2; | |
698 | //return res>-kJPi/3.0 ? res : kJTwoPi+res ; | |
699 | return res>-kJPi*9./20. ? res : kJTwoPi+res ; | |
700 | } | |
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