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04b116e8 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 *
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
3c40321c 16/* $Id: AliAnalysisTaskPi0V2.cxx 55404 2012-03-29 10:10:19Z fca $ */
17
04b116e8 18/* AliAnalysisTaskPi0V2.cxx
19 *
20 * Template task producing a P_t spectrum and pseudorapidity distribution.
21 * Includes explanations of physics and primary track selections
22 *
23 * Instructions for adding histograms can be found below, starting with NEW HISTO
24 *
25 * Based on tutorial example from offline pages
26 * Edited by Arvinder Palaha
27 */
3c40321c 28#include "AliAnalysisTaskPi0V2.h"
29
04b116e8 30#include "Riostream.h"
31#include "TChain.h"
32#include "TTree.h"
33#include "TH1F.h"
34#include "TH2F.h"
35#include "TH3F.h"
36#include "TCanvas.h"
37#include "TList.h"
3c40321c 38
70d53162 39#include "AliAnalysisTaskSE.h"
04b116e8 40#include "AliAnalysisManager.h"
41#include "AliStack.h"
42#include "AliESDtrackCuts.h"
3c40321c 43#include "AliESDEvent.h"
44#include "AliESDInputHandler.h"
04b116e8 45#include "AliAODEvent.h"
70d53162 46#include "AliMCEvent.h"
04b116e8 47
48#include "AliEventplane.h"
49#include "AliEMCALGeometry.h"
50#include "THnSparse.h"
3c40321c 51
9d6804f4 52using std::cout;
53using std::endl;
54
3c40321c 55ClassImp(AliAnalysisTaskPi0V2)
56
57//________________________________________________________________________
04b116e8 58AliAnalysisTaskPi0V2::AliAnalysisTaskPi0V2() // All data members should be initialised here
59 // :AliAnalysisTaskSE(),
60 :AliAnalysisTaskSE(),
61 fOutput(0),
04b116e8 62 fESD(0),
ebaf288d 63 fcheckEP2sub(0),
04b116e8 64 fCentrality(99.),
65 fEPTPC(-999.),
66 fEPTPCreso(0.),
67 fEPV0(-999.), fEPV0A(-999.), fEPV0C(-999.), fEPV0Ar(-999.), fEPV0Cr(-999.), fEPV0r(-999.),
68 fEPV0AR4(-999.), fEPV0AR5(-999.), fEPV0AR6(-999.), fEPV0AR7(-999.), fEPV0CR0(-999.), fEPV0CR1(-999.), fEPV0CR2(-999.), fEPV0CR3(-999.),
ebaf288d 69 hAllcentV0(0), hAllcentV0r(0), hAllcentV0A(0), hAllcentV0C(0), hAllcentTPC(0),
04b116e8 70 hEPTPC(0), hresoTPC(0),
71 hEPV0(0), hEPV0A(0), hEPV0C(0), hEPV0Ar(0), hEPV0Cr(0), hEPV0r(0), hEPV0AR4(0), hEPV0AR7(0), hEPV0CR0(0), hEPV0CR3(0),
72 hdifV0A_V0CR0(0), hdifV0A_V0CR3(0), hdifV0ACR0_V0CR3(0), hdifV0C_V0AR4(0), hdifV0C_V0AR7(0), hdifV0AR4_V0AR7(0),
73 hdifV0A_V0C(0), hdifV0A_TPC(0), hdifV0C_TPC(0), hdifV0C_V0A(0),
74 hdifEMC_EP(0), hdifful_EP(0), hdifout_EP(0),
75 fHEPV0r(0), fHEPV0A(0), fHEPV0C(0), fHEPTPC(0)
76
3c40321c 77{
04b116e8 78 // Dummy constructor ALWAYS needed for I/O.
79 DefineInput(0, TChain::Class());
80 DefineOutput(1, TList::Class()); // for output list
3c40321c 81}
82
83//________________________________________________________________________
04b116e8 84AliAnalysisTaskPi0V2::AliAnalysisTaskPi0V2(const char *name) // All data members should be initialised here
85 :AliAnalysisTaskSE(name),
86 fOutput(0),
04b116e8 87 fESD(0),
ebaf288d 88 fcheckEP2sub(0),
04b116e8 89 fCentrality(99.),
90 fEPTPC(-999.),
91 fEPTPCreso(0.),
92 fEPV0(-999.), fEPV0A(-999.), fEPV0C(-999.), fEPV0Ar(-999.), fEPV0Cr(-999.), fEPV0r(-999.),
93 fEPV0AR4(-999.), fEPV0AR5(-999.), fEPV0AR6(-999.), fEPV0AR7(-999.), fEPV0CR0(-999.), fEPV0CR1(-999.), fEPV0CR2(-999.), fEPV0CR3(-999.),
ebaf288d 94 hAllcentV0(0), hAllcentV0r(0), hAllcentV0A(0), hAllcentV0C(0), hAllcentTPC(0),
04b116e8 95 hEPTPC(0), hresoTPC(0),
96 hEPV0(0), hEPV0A(0), hEPV0C(0), hEPV0Ar(0), hEPV0Cr(0), hEPV0r(0), hEPV0AR4(0), hEPV0AR7(0), hEPV0CR0(0), hEPV0CR3(0),
97 hdifV0A_V0CR0(0), hdifV0A_V0CR3(0), hdifV0ACR0_V0CR3(0), hdifV0C_V0AR4(0), hdifV0C_V0AR7(0), hdifV0AR4_V0AR7(0),
98 hdifV0A_V0C(0), hdifV0A_TPC(0), hdifV0C_TPC(0), hdifV0C_V0A(0),
99 hdifEMC_EP(0), hdifful_EP(0), hdifout_EP(0),
100 fHEPV0r(0), fHEPV0A(0), fHEPV0C(0), fHEPTPC(0)
3c40321c 101{
04b116e8 102 // Constructor
103 // Define input and output slots here (never in the dummy constructor)
104 // Input slot #0 works with a TChain - it is connected to the default input container
105 // Output slot #1 writes into a TH1 container
106 DefineInput(0, TChain::Class());
107 DefineOutput(1, TList::Class()); // for output list
3c40321c 108}
109
110//________________________________________________________________________
111AliAnalysisTaskPi0V2::~AliAnalysisTaskPi0V2()
112{
04b116e8 113 // Destructor. Clean-up the output list, but not the histograms that are put inside
114 // (the list is owner and will clean-up these histograms). Protect in PROOF case.
115 if (fOutput && !AliAnalysisManager::GetAnalysisManager()->IsProofMode()) {
116 delete fOutput;
117 }
3c40321c 118}
119//_____________________________________________________________________
120Double_t AliAnalysisTaskPi0V2::GetMaxCellEnergy(const AliVCluster *cluster, Short_t &id) const
121{
122 // Get maximum energy of attached cell.
123
124 id = -1;
125
126 AliVCaloCells *cells = 0;
127 if (fESD)
128 cells = fESD->GetEMCALCells();
129// else
130// cells = fAOD->GetEMCALCells();
131 if (!cells)
132 return 0;
133
134 Double_t maxe = 0;
135 const Int_t ncells = cluster->GetNCells();
136 for (Int_t i=0; i<ncells; i++) {
137 Double_t e = cells->GetCellAmplitude(TMath::Abs(cluster->GetCellAbsId(i)));
138 if (e>maxe) {
139 maxe = e;
140 id = cluster->GetCellAbsId(i);
141 }
142 }
143 return maxe;
144}
145//_____________________________________________________________________
146Double_t AliAnalysisTaskPi0V2::GetCrossEnergy(const AliVCluster *cluster, Short_t &idmax) const
147{
148 // Calculate the energy of cross cells around the leading cell.
149
150 AliVCaloCells *cells = 0;
151 if (fESD)
152 cells = fESD->GetEMCALCells();
153// else
154// cells = fAOD->GetEMCALCells();
155 if (!cells)
156 return 0;
157
158 AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance();
159 if (!geom)
160 return 0;
161
162 Int_t iSupMod = -1;
163 Int_t iTower = -1;
164 Int_t iIphi = -1;
165 Int_t iIeta = -1;
166 Int_t iphi = -1;
167 Int_t ieta = -1;
168 Int_t iphis = -1;
169 Int_t ietas = -1;
170
171 Double_t crossEnergy = 0;
172
173 geom->GetCellIndex(idmax,iSupMod,iTower,iIphi,iIeta);
174 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphis,ietas);
175
176 Int_t ncells = cluster->GetNCells();
177 for (Int_t i=0; i<ncells; i++) {
178 Int_t cellAbsId = cluster->GetCellAbsId(i);
179 geom->GetCellIndex(cellAbsId,iSupMod,iTower,iIphi,iIeta);
180 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta);
181 Int_t aphidiff = TMath::Abs(iphi-iphis);
182 if (aphidiff>1)
183 continue;
184 Int_t aetadiff = TMath::Abs(ieta-ietas);
185 if (aetadiff>1)
186 continue;
187 if ( (aphidiff==1 && aetadiff==0) ||
188 (aphidiff==0 && aetadiff==1) ) {
189 crossEnergy += cells->GetCellAmplitude(cellAbsId);
190 }
191 }
192
193 return crossEnergy;
194}
195//_____________________________________________________________________
196Bool_t AliAnalysisTaskPi0V2::IsWithinFiducialVolume(Short_t id) const
197{
198 // Check if cell is within given fiducial volume.
199
200 Double_t fNFiducial = 1;
201
202 Int_t iSupMod = -1;
203 Int_t iTower = -1;
204 Int_t iIphi = -1;
205 Int_t iIeta = -1;
206 Int_t iphi = -1;
207 Int_t ieta = -1;
208
209 Bool_t okrow = kFALSE;
210 Bool_t okcol = kFALSE;
211
04b116e8 212 AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance();
3c40321c 213 if (!geom)
214 return kFALSE;
215
216 Int_t cellAbsId = id;
217 geom->GetCellIndex(cellAbsId,iSupMod,iTower,iIphi,iIeta);
218 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta);
219
220 // Check rows/phi
221 if (iSupMod < 10) {
222 if (iphi >= fNFiducial && iphi < 24-fNFiducial)
223 okrow = kTRUE;
224 } else {
225 if (iphi >= fNFiducial && iphi < 12-fNFiducial)
226 okrow = kTRUE;
227 }
228 // Check columns/eta
229 Bool_t noEMCALBorderAtEta0 = kTRUE;
230 if (!noEMCALBorderAtEta0) {
231 if (ieta > fNFiducial && ieta < 48-fNFiducial)
232 okcol = kTRUE;
233 } else {
234 if (iSupMod%2==0) {
235 if (ieta >= fNFiducial)
236 okcol = kTRUE;
237 } else {
238 if (ieta < 48-fNFiducial)
239 okcol = kTRUE;
240 }
241 }
242 if (okrow && okcol)
243 return kTRUE;
244
245 return kFALSE;
246}
247//______________________________________________________________________
248Bool_t AliAnalysisTaskPi0V2::IsGoodCluster(const AliESDCaloCluster *c) const
249{
250
251 if(!c)
252 return kFALSE;
253
254 if(c->GetNCells() < 2)
255 return kFALSE;
256
257 if(c->E() < 1.)
258 return kFALSE;
259
260 Short_t id = -1;
261 Double_t maxE = GetMaxCellEnergy(c, id);
262 if((1. - GetCrossEnergy(c,id) / maxE) > 0.97)
263 return kFALSE;
264
265 Float_t pos1[3];
266 c->GetPosition(pos1);
267 TVector3 clsPos(pos1);
268 Double_t eta = clsPos.Eta();
269
270 if(eta > 0.65 || eta < -0.65)
271 return kFALSE;
272
273 if (!IsWithinFiducialVolume(id))
274 return kFALSE;
275
276 if(c->GetM02() >0.5 )
277 return kFALSE;
278
04b116e8 279// if(c->M20 >)
280
3c40321c 281 return kTRUE;
70d53162 282
04b116e8 283}
3c40321c 284//_____________________________________________________________________
285Bool_t AliAnalysisTaskPi0V2::IsGoodPion(const TLorentzVector &p1, const TLorentzVector &p2) const
286{
287 // Is good pion?
288
04b116e8 289
ebaf288d 290// Double_t asym = TMath::Abs(p1.E()-p2.E())/(p1.E()+p2.E());
291// if (asym>0.7)
292// return kFALSE;
3c40321c 293
294// if (TMath::Abs(p1.Eta()-p2.Eta())>0.5)
295// return kFALSE;
296
297 TLorentzVector pion;
298 pion = p1 + p2;
299 Double_t eta = pion.Eta();
300 if (eta<-0.65)
301 return kFALSE;
302 if (eta>0.65)
303 return kFALSE;
304
305 return kTRUE;
306}
307//_______________________________________________________________________
308void AliAnalysisTaskPi0V2::FillPion(const TLorentzVector& p1, const TLorentzVector& p2, Double_t EPV0r, Double_t EPV0A, Double_t EPV0C, Double_t EPTPC)
309{
310 // Fill histogram.
311
312 if (!IsGoodPion(p1,p2))
313 return;
314 TLorentzVector pion;
315 pion = p1 + p2;
316
317 Double_t mass = pion.M();
318 Double_t pt = pion.Pt();
319 Double_t phi = pion.Phi();
320
321 Double_t dphiV0 = phi-EPV0r;
322 Double_t dphiV0A = phi-EPV0A;
323 Double_t dphiV0C = phi-EPV0C;
324 Double_t dphiTPC = phi-EPTPC;
325
326 Double_t cos2phiV0 = TMath::Cos(2.*(dphiV0));
327 Double_t cos2phiV0A = TMath::Cos(2.*(dphiV0A));
328 Double_t cos2phiV0C = TMath::Cos(2.*(dphiV0C));
329 Double_t cos2phiTPC = TMath::Cos(2.*(dphiTPC));
330
c6ee6f73 331 dphiV0 = TVector2::Phi_0_2pi(dphiV0); if(dphiV0 >TMath::Pi()) dphiV0 -= TMath::Pi();
332 dphiV0A = TVector2::Phi_0_2pi(dphiV0A); if(dphiV0A >TMath::Pi()) dphiV0A -= TMath::Pi();
333 dphiV0C = TVector2::Phi_0_2pi(dphiV0C); if(dphiV0C >TMath::Pi()) dphiV0C -= TMath::Pi();
334 dphiTPC = TVector2::Phi_0_2pi(dphiTPC); if(dphiTPC >TMath::Pi()) dphiTPC -= TMath::Pi();
3c40321c 335
19ee1eca 336 //cout<<"cos2V0: "<<cos2phiV0<<" cos2V0A: "<<cos2phiV0A<<" cos2V0C: "<<cos2phiV0C<<endl;
337 //cout<<mass<<" "<<pt<<" "<<phi<<" "<<endl;
338 //cout<<" dphiV0: "<<dphiV0<<" dphiV0A: "<<dphiV0A<<" dphiV0C: "<<dphiV0C<<"+++++++"<<endl;
04b116e8 339
3c40321c 340 Double_t xV0[5]; // Match ndims in fH V0 EP
341 xV0[0] = mass;
342 xV0[1] = pt;
343 xV0[2] = fCentrality;
344 xV0[3] = dphiV0;
345 xV0[4] = cos2phiV0;
346 fHEPV0r->Fill(xV0);
347
348 Double_t xV0A[5]; // Match ndims in fH V0A EP
349 xV0A[0] = mass;
350 xV0A[1] = pt;
351 xV0A[2] = fCentrality;
352 xV0A[3] = dphiV0A;
353 xV0A[4] = cos2phiV0A;
354 fHEPV0A->Fill(xV0A);
355
356 Double_t xV0C[5]; // Match ndims in fH V0C EP
357 xV0C[0] = mass;
358 xV0C[1] = pt;
359 xV0C[2] = fCentrality;
360 xV0C[3] = dphiV0C;
361 xV0C[4] = cos2phiV0C;
362 fHEPV0C->Fill(xV0C);
363
364 Double_t xTPC[5]; // Match ndims in fH TPC EP
365 xTPC[0] = mass;
366 xTPC[1] = pt;
367 xTPC[2] = fCentrality;
368 xTPC[3] = dphiTPC;
369 xTPC[4] = cos2phiTPC;
370 fHEPTPC->Fill(xTPC);
70d53162 371
04b116e8 372
373}
3c40321c 374//_________________________________________________________________________________________________
375void AliAnalysisTaskPi0V2::GetMom(TLorentzVector& p, const AliESDCaloCluster *c, Double_t *vertex)
376{
377 // Calculate momentum.
378 Float_t posMom[3];
379 c->GetPosition(posMom);
380 TVector3 clsPos2(posMom);
381
382 Double_t e = c->E();
383 Double_t r = clsPos2.Perp();
384 Double_t eta = clsPos2.Eta();
385 Double_t phi = clsPos2.Phi();
386
387 TVector3 pos;
388 pos.SetPtEtaPhi(r,eta,phi);
389
390 if (vertex) { //calculate direction relative to vertex
391 pos -= vertex;
392 }
393
394 Double_t rad = pos.Mag();
395 p.SetPxPyPzE(e*pos.x()/rad, e*pos.y()/rad, e*pos.z()/rad, e);
70d53162 396
04b116e8 397}
3c40321c 398//________________________________________________________________________
399void AliAnalysisTaskPi0V2::UserCreateOutputObjects()
400{
04b116e8 401 // Create histograms
402 // Called once (on the worker node)
3c40321c 403
04b116e8 404 fOutput = new TList();
405 fOutput->SetOwner(); // IMPORTANT!
406
ebaf288d 407 hEPTPC = new TH2F("hEPTPC", "EPTPC vs cent", 100, 0., 100., 100, 0., TMath::Pi());
408 hresoTPC = new TH2F("hresoTPC", "TPc reso vs cent", 100, 0., 100., 100, 0., 1.);
409 hEPV0 = new TH2F("hEPV0", "EPV0 vs cent", 100, 0., 100., 100, 0., TMath::Pi());
410 hEPV0A = new TH2F("hEPV0A", "EPV0A vs cent", 100, 0., 100., 100, 0., TMath::Pi());
411 hEPV0C = new TH2F("hEPV0C", "EPV0C vs cent", 100, 0., 100., 100, 0., TMath::Pi());
412 hEPV0Ar = new TH2F("hEPV0Ar", "EPV0Ar vs cent", 100, 0., 100., 100, 0., TMath::Pi());
413 hEPV0Cr = new TH2F("hEPV0Cr", "EPV0Cr vs cent", 100, 0., 100., 100, 0., TMath::Pi());
414 hEPV0r = new TH2F("hEPV0r", "EPV0r vs cent", 100, 0., 100., 100, 0., TMath::Pi());
415 hEPV0AR4 = new TH2F("hEPV0AR4", "EPV0AR4 vs cent", 100, 0., 100., 100, 0., TMath::Pi());
416 hEPV0AR7 = new TH2F("hEPV0AR7", "EPV0AR7 vs cent", 100, 0., 100., 100, 0., TMath::Pi());
417 hEPV0CR0 = new TH2F("hEPV0CR0", "EPV0CR0 vs cent", 100, 0., 100., 100, 0., TMath::Pi());
418 hEPV0CR3 = new TH2F("hEPV0CR3", "EPV0CR3 vs cent", 100, 0., 100., 100, 0., TMath::Pi());
04b116e8 419 fOutput->Add(hEPTPC);
420 fOutput->Add(hresoTPC);
421 fOutput->Add(hEPV0);
422 fOutput->Add(hEPV0A);
423 fOutput->Add(hEPV0C);
424 fOutput->Add(hEPV0Ar);
425 fOutput->Add(hEPV0Cr);
426 fOutput->Add(hEPV0r);
427 fOutput->Add(hEPV0AR4);
428 fOutput->Add(hEPV0AR7);
429 fOutput->Add(hEPV0CR0);
430 fOutput->Add(hEPV0CR3);
431
ebaf288d 432 hdifV0A_V0CR0 = new TH2F("hdifV0A_V0CR0", "EP A-R0 ", 100, 0., 100., 100, -1., 1.);
433 hdifV0A_V0CR3 = new TH2F("hdifV0A_V0CR3", "EP A-R3 ", 100, 0., 100., 100, -1., 1.);
434 hdifV0ACR0_V0CR3 = new TH2F("hdifV0ACR0_V0CR3", "EP R0-R3 ", 100, 0., 100., 100, -1., 1.);
435 hdifV0C_V0AR4 = new TH2F("hdifV0C_V0AR4", "EP C-R4 ", 100, 0., 100., 100, -1., 1.);
436 hdifV0C_V0AR7 = new TH2F("hdifV0C_V0AR7", "EP C-R7 ", 100, 0., 100., 100, -1., 1.);
437 hdifV0AR4_V0AR7 = new TH2F("hdifV0AR4_V0AR7", "EP R4-R7 ", 100, 0., 100., 100, -1., 1.);
04b116e8 438 fOutput->Add(hdifV0A_V0CR0);
439 fOutput->Add(hdifV0A_V0CR3);
440 fOutput->Add(hdifV0ACR0_V0CR3);
441 fOutput->Add(hdifV0C_V0AR4);
442 fOutput->Add(hdifV0C_V0AR7);
443 fOutput->Add(hdifV0AR4_V0AR7);
444
ebaf288d 445 hdifV0A_V0C = new TH2F("hdifV0A_V0C", "EP A-C ", 100, 0., 100., 100, -1., 1.);
446 hdifV0A_TPC = new TH2F("hdifV0A_TPC", "EP A-TPC", 100, 0., 100., 100, -1., 1.);
447 hdifV0C_TPC = new TH2F("hdifV0C_TPC", "EP C-TPC", 100, 0., 100., 100, -1., 1.);
448 hdifV0C_V0A = new TH2F("hdifV0C_V0A", "EP C-A ", 100, 0., 100., 100, -1., 1.);
04b116e8 449 fOutput->Add(hdifV0A_V0C);
450 fOutput->Add(hdifV0A_TPC);
451 fOutput->Add(hdifV0C_TPC);
452 fOutput->Add(hdifV0C_V0A);
453
454
455
807a2829 456 hdifEMC_EP = new TH3F("hdifEMC_EP", "dif phi in EMC with EP", 100, 0., 100., 100, 0., TMath::Pi(), 15, 0., 15.);
457 hdifful_EP = new TH3F("hdifful_EP", "dif phi in full with EP", 100, 0., 100., 100, 0., TMath::Pi(), 15, 0., 15.);
458 hdifout_EP = new TH3F("hdifout_EP", "dif phi NOT in EMC with EP", 100, 0., 100., 100, 0., TMath::Pi(), 15, 0., 15.);
04b116e8 459 fOutput->Add(hdifEMC_EP);
460 fOutput->Add(hdifful_EP);
461 fOutput->Add(hdifout_EP);
462
ebaf288d 463 hAllcentV0 = new TH1F("hAllcentV0", "All cent EP V0", 100, 0., TMath::Pi());
464 hAllcentV0r = new TH1F("hAllcentV0r", "All cent EP V0r", 100, 0., TMath::Pi());
465 hAllcentV0A = new TH1F("hAllcentV0A", "All cent EP V0A", 100, 0., TMath::Pi());
466 hAllcentV0C = new TH1F("hAllcentV0C", "All cent EP V0C", 100, 0., TMath::Pi());
467 hAllcentTPC = new TH1F("hAllcentTPC", "All cent EP TPC", 100, 0., TMath::Pi());
468 fOutput->Add(hAllcentV0);
469 fOutput->Add(hAllcentV0r);
470 fOutput->Add(hAllcentV0A);
471 fOutput->Add(hAllcentV0C);
472 fOutput->Add(hAllcentTPC);
473
04b116e8 474 const Int_t ndims = 5;
475 Int_t nMgg=500, nPt=40, nCent=20, nDeltaPhi=315, ncos2phi=500;
476 Int_t bins[ndims] = {nMgg, nPt, nCent, nDeltaPhi, ncos2phi};
477 Double_t xmin[ndims] = { 0, 0., 0, 0., -1.};
478 Double_t xmax[ndims] = { 0.5, 20., 100, 3.15, 1.};
479 fHEPV0r = new THnSparseF("fHEPV0r", "Flow histogram EPV0", ndims, bins, xmin, xmax);
480 fHEPV0A = new THnSparseF("fHEPV0A", "Flow histogram EPV0A", ndims, bins, xmin, xmax);
481 fHEPV0C = new THnSparseF("fHEPV0C", "Flow histogram EPV0C", ndims, bins, xmin, xmax);
482 fHEPTPC = new THnSparseF("fHEPTPC", "Flow histogram EPTPC", ndims, bins, xmin, xmax);
483 fOutput->Add(fHEPV0r);
484 fOutput->Add(fHEPV0A);
485 fOutput->Add(fHEPV0C);
486 fOutput->Add(fHEPTPC);
487
3c40321c 488
04b116e8 489
490 PostData(1, fOutput); // Post data for ALL output slots >0 here, to get at least an empty histogram
3c40321c 491}
492
493//________________________________________________________________________
494void AliAnalysisTaskPi0V2::UserExec(Option_t *)
495{
04b116e8 496 // Main loop
497 // Called for each event
498
499
500 // Create pointer to reconstructed event
501 AliVEvent *event = InputEvent();
502 if (!event) { Printf("ERROR: Could not retrieve event"); return; }
503
504 // create pointer to event
505 fESD = dynamic_cast<AliESDEvent*>(event);
506 if (!fESD) {
507 AliError("Cannot get the ESD event");
508 return;
509 }
510 const AliESDVertex* fvertex = fESD->GetPrimaryVertex();
511
c6ee6f73 512 if(TMath::Abs(fvertex->GetZ())>10.)
513 return;
04b116e8 514 Double_t vertex[3] = {fvertex->GetX(), fvertex->GetY(), fvertex->GetZ()};
70d53162 515
04b116e8 516 if(fESD->GetCentrality()) {
517 fCentrality =
518 fESD->GetCentrality()->GetCentralityPercentile("V0M");
519 }
3c40321c 520
04b116e8 521 AliEventplane *ep = fESD->GetEventplane();
522 if (ep) {
523 if (ep->GetQVector())
524 fEPTPC = ep->GetQVector()->Phi()/2. ;
525 else
526 fEPTPC = -999.;
527 if (ep->GetQsub1()&&ep->GetQsub2())
528 fEPTPCreso = TMath::Cos(2.*(ep->GetQsub1()->Phi()/2.-ep->GetQsub2()->Phi()/2.));
529 else
530 fEPTPCreso = -1;
531
532 fEPV0 = ep->GetEventplane("V0", fESD);
533 fEPV0A = ep->GetEventplane("V0A", fESD);
534 fEPV0C = ep->GetEventplane("V0C", fESD);
535 Double_t qx=0, qy=0;
536 Double_t qxr=0, qyr=0;
537 fEPV0Ar = ep->CalculateVZEROEventPlane(fESD, 4, 5, 2, qxr, qyr);
538 fEPV0Cr = ep->CalculateVZEROEventPlane(fESD, 2, 3, 2, qx, qy);
539 qxr += qx;
540 qyr += qy;
541 fEPV0r = TMath::ATan2(qyr,qxr)/2.;
542 fEPV0AR4 = ep->CalculateVZEROEventPlane(fESD, 4, 2, qx, qy);
543 fEPV0AR5 = ep->CalculateVZEROEventPlane(fESD, 5, 2, qx, qy);
544 fEPV0AR6 = ep->CalculateVZEROEventPlane(fESD, 6, 2, qx, qy);
545 fEPV0AR7 = ep->CalculateVZEROEventPlane(fESD, 7, 2, qx, qy);
546 fEPV0CR0 = ep->CalculateVZEROEventPlane(fESD, 0, 2, qx, qy);
547 fEPV0CR1 = ep->CalculateVZEROEventPlane(fESD, 1, 2, qx, qy);
548 fEPV0CR2 = ep->CalculateVZEROEventPlane(fESD, 2, 2, qx, qy);
549 fEPV0CR3 = ep->CalculateVZEROEventPlane(fESD, 3, 2, qx, qy);
3c40321c 550
04b116e8 551 }
3c40321c 552//cout<<" fEPV0:"<<fEPV0<<" fEPV0A:"<<fEPV0A<<" fEPV0C:"<<fEPV0C<<" fEPV0Ar:"<<fEPV0Ar<<" fEPV0Cr:"<<fEPV0Cr<<" fEPV0r:"<<fEPV0AR4<<" fEPV0AR7:"<<fEPV0AR7<<" fEPV0CR0:"<<fEPV0CR0<<" fEPV0CR3:"<<fEPV0CR3<<"--------------------------------------------"<<endl;
04b116e8 553 if(fcheckEP2sub){
554 if(fEPV0r<-2. || fEPV0Ar<-2. || fEPV0Cr<-2.) return;
555 }
556 if(!fcheckEP2sub){
c6ee6f73 557 if(fEPV0A<-2. || fEPV0C<-2. || fEPV0AR4<-2. || fEPV0AR7<-2. || fEPV0CR0<-2. || fEPV0CR3<-2. || fEPTPC<-2.) return;
04b116e8 558 }
ebaf288d 559 fEPV0 = TVector2::Phi_0_2pi(fEPV0); if(fEPV0>TMath::Pi()) fEPV0 = fEPV0 - TMath::Pi();
560 fEPV0r = TVector2::Phi_0_2pi(fEPV0r); if(fEPV0r>TMath::Pi()) fEPV0r = fEPV0r - TMath::Pi();
561 fEPV0A = TVector2::Phi_0_2pi(fEPV0A); if(fEPV0A>TMath::Pi()) fEPV0A = fEPV0A - TMath::Pi();
562 fEPV0C = TVector2::Phi_0_2pi(fEPV0C); if(fEPV0C>TMath::Pi()) fEPV0C = fEPV0C - TMath::Pi();
563 fEPV0Ar = TVector2::Phi_0_2pi(fEPV0Ar); if(fEPV0Ar>TMath::Pi()) fEPV0Ar = fEPV0Ar - TMath::Pi();
564 fEPV0Cr = TVector2::Phi_0_2pi(fEPV0Cr); if(fEPV0Cr>TMath::Pi()) fEPV0Cr = fEPV0Cr - TMath::Pi();
565 fEPV0AR4 = TVector2::Phi_0_2pi(fEPV0AR4); if(fEPV0AR4>TMath::Pi()) fEPV0AR4 = fEPV0AR4 - TMath::Pi();
566 fEPV0AR7 = TVector2::Phi_0_2pi(fEPV0AR7); if(fEPV0AR7>TMath::Pi()) fEPV0AR7 = fEPV0AR7 - TMath::Pi();
567 fEPV0CR0 = TVector2::Phi_0_2pi(fEPV0CR0); if(fEPV0CR0>TMath::Pi()) fEPV0CR0 = fEPV0CR0 - TMath::Pi();
568 fEPV0CR3 = TVector2::Phi_0_2pi(fEPV0CR3); if(fEPV0CR3>TMath::Pi()) fEPV0CR3 = fEPV0CR3 - TMath::Pi();
569
807a2829 570//cout<<" EPTPC: "<<fEPTPC<<" reso: "<<fEPTPCreso<<" -------------------"<<endl;
571//cout<<" cent: "<<fCentrality<<" fEPV0:"<<fEPV0<<" fEPV0A:"<<fEPV0A<<" fEPV0C:"<<fEPV0C<<" fEPV0Ar:"<<fEPV0Ar<<" fEPV0Cr:"<<fEPV0Cr<<" fEPV0r:"<<fEPV0AR4<<" fEPV0AR7:"<<fEPV0AR7<<" fEPV0CR0:"<<fEPV0CR0<<" fEPV0CR3:"<<fEPV0CR3<<"--------------------------------------------"<<endl;
3c40321c 572
04b116e8 573 hEPTPC->Fill(fCentrality, fEPTPC);
574 if(fEPTPCreso!=-1) hresoTPC->Fill(fCentrality, fEPTPCreso);
575 hEPV0->Fill(fCentrality, fEPV0);
576 hEPV0A->Fill(fCentrality, fEPV0A);
577 hEPV0C->Fill(fCentrality, fEPV0C);
578 hEPV0Ar->Fill(fCentrality, fEPV0Ar);
579 hEPV0Cr->Fill(fCentrality, fEPV0Cr);
580 hEPV0r->Fill(fCentrality, fEPV0r);
ebaf288d 581 hEPV0AR4->Fill(fCentrality, fEPV0AR4);
582 hEPV0AR7->Fill(fCentrality, fEPV0AR7);
583 hEPV0CR0->Fill(fCentrality, fEPV0CR0);
584 hEPV0CR3->Fill(fCentrality, fEPV0CR3);
585
586 hAllcentV0->Fill(fEPV0);
587 hAllcentV0r->Fill(fEPV0r);
588 hAllcentV0A->Fill(fEPV0A);
589 hAllcentV0C->Fill(fEPV0C);
590 hAllcentTPC->Fill(fEPTPC);
04b116e8 591
592 hdifV0A_V0CR0->Fill(fCentrality, TMath::Cos(2.*(fEPV0A - fEPV0CR0)));
593 hdifV0A_V0CR3->Fill(fCentrality, TMath::Cos(2.*(fEPV0A - fEPV0CR3)));
594 hdifV0ACR0_V0CR3->Fill(fCentrality, TMath::Cos(2*(fEPV0CR0 - fEPV0CR3)));
595 hdifV0C_V0AR4->Fill(fCentrality, TMath::Cos(2*(fEPV0C - fEPV0AR4)));
596 hdifV0C_V0AR7->Fill(fCentrality, TMath::Cos(2*(fEPV0C - fEPV0AR7)));
597 hdifV0AR4_V0AR7->Fill(fCentrality, TMath::Cos(2*(fEPV0AR4 - fEPV0AR7)));
3c40321c 598
04b116e8 599 hdifV0A_V0C->Fill(fCentrality, TMath::Cos(2*(fEPV0A - fEPV0C)));
600 hdifV0A_TPC->Fill(fCentrality, TMath::Cos(2*(fEPV0A - fEPTPC)));
601 hdifV0C_TPC->Fill(fCentrality, TMath::Cos(2*(fEPV0C - fEPTPC)));
602 hdifV0C_V0A->Fill(fCentrality, TMath::Cos(2*(fEPV0C - fEPV0A)));
603 // Cluster loop for reconstructed event
3c40321c 604
04b116e8 605 Int_t nCluster = fESD->GetNumberOfCaloClusters();
606 for(Int_t i=0; i<nCluster; ++i){
607 AliESDCaloCluster *c1 = fESD->GetCaloCluster(i);
608 if(!IsGoodCluster(c1)) continue;
609 for(Int_t j=i+1; j<nCluster; ++j){
610 AliESDCaloCluster *c2 = fESD->GetCaloCluster(j);
611 if(!IsGoodCluster(c2)) continue;
612 TLorentzVector p1;
613 GetMom(p1, c1, vertex);
614 TLorentzVector p2;
615 GetMom(p2, c2, vertex);
616 FillPion(p1, p2, fEPV0r, fEPV0A, fEPV0C, fEPTPC);
617 }
618 }
619
3c40321c 620
04b116e8 621 Int_t nTrack = fESD->GetNumberOfTracks();
622 for(Int_t i=0; i<nTrack; ++i){
623 AliESDtrack* esdtrack = fESD->GetTrack(i); // pointer to reconstructed to track
624 if(!esdtrack) {
625 AliError(Form("ERROR: Could not retrieve esdtrack %d",i));
626 continue;
627 }
628 Double_t tPhi = esdtrack->Phi();
629 Double_t tPt = esdtrack->Pt();
ebaf288d 630
90340bdc 631 Double_t difTrack = TVector2::Phi_0_2pi(tPhi-fEPV0); if(difTrack >TMath::Pi()) difTrack -= TMath::Pi();
04b116e8 632 if(esdtrack->IsEMCAL()){
ebaf288d 633 hdifEMC_EP->Fill(fCentrality, difTrack, tPt);
04b116e8 634 }else{
ebaf288d 635 hdifout_EP->Fill(fCentrality, difTrack, tPt);
04b116e8 636 }
ebaf288d 637 hdifful_EP->Fill(fCentrality, difTrack, tPt);
04b116e8 638 }
639
640 // NEW HISTO should be filled before this point, as PostData puts the
641 // information for this iteration of the UserExec in the container
642 PostData(1, fOutput);
3c40321c 643}
644
04b116e8 645
3c40321c 646//________________________________________________________________________
647void AliAnalysisTaskPi0V2::Terminate(Option_t *)
648{
04b116e8 649 // Draw result to screen, or perform fitting, normalizations
650 // Called once at the end of the query
651// fOutput = dynamic_cast<TList*> (GetOutputData(1));
652 // if(!fOutput) { Printf("ERROR: could not retrieve TList fOutput"); return; }
653
654 // Get the physics selection histograms with the selection statistics
655 //AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
656 //AliESDInputHandler *inputH = dynamic_cast<AliESDInputHandler*>(mgr->GetInputEventHandler());
657 //TH2F *histStat = (TH2F*)inputH->GetStatistics();
658
659
660 // NEW HISTO should be retrieved from the TList container in the above way,
661 // so it is available to draw on a canvas such as below
662
3c40321c 663}