parameterization for pA run with 188356 - only V0 and SPD in
[u/mrichter/AliRoot.git] / PWGGA / EMCALTasks / AliAnalysisTaskPi0V2.cxx
CommitLineData
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//________________________________________________________________________
965c985f 58AliAnalysisTaskPi0V2::AliAnalysisTaskPi0V2(const char *name) // All data members should be initialised here
59 :AliAnalysisTaskSE(name),
04b116e8 60 fOutput(0),
04b116e8 61 fESD(0),
670ffa5c 62 fTrackCuts(0),
8071d5b2 63 fEvtSelect(1),
670ffa5c 64 fVtxCut(10.),
65 fNcellCut(2), fECut(1), fEtaCut(0.65), fM02Cut(0.5), fPi0AsyCut(0),
04b116e8 66 fCentrality(99.),
67 fEPTPC(-999.),
68 fEPTPCreso(0.),
69 fEPV0(-999.), fEPV0A(-999.), fEPV0C(-999.), fEPV0Ar(-999.), fEPV0Cr(-999.), fEPV0r(-999.),
70 fEPV0AR4(-999.), fEPV0AR5(-999.), fEPV0AR6(-999.), fEPV0AR7(-999.), fEPV0CR0(-999.), fEPV0CR1(-999.), fEPV0CR2(-999.), fEPV0CR3(-999.),
ef7e23cf 71 hEvtCount(0), hAllcentV0(0), hAllcentV0r(0), hAllcentV0A(0), hAllcentV0C(0), hAllcentTPC(0),
04b116e8 72 hEPTPC(0), hresoTPC(0),
73 hEPV0(0), hEPV0A(0), hEPV0C(0), hEPV0Ar(0), hEPV0Cr(0), hEPV0r(0), hEPV0AR4(0), hEPV0AR7(0), hEPV0CR0(0), hEPV0CR3(0),
74 hdifV0A_V0CR0(0), hdifV0A_V0CR3(0), hdifV0ACR0_V0CR3(0), hdifV0C_V0AR4(0), hdifV0C_V0AR7(0), hdifV0AR4_V0AR7(0),
75 hdifV0A_V0C(0), hdifV0A_TPC(0), hdifV0C_TPC(0), hdifV0C_V0A(0),
76 hdifEMC_EP(0), hdifful_EP(0), hdifout_EP(0),
77 fHEPV0r(0), fHEPV0A(0), fHEPV0C(0), fHEPTPC(0)
78
3c40321c 79{
04b116e8 80 // Dummy constructor ALWAYS needed for I/O.
670ffa5c 81 fTrackCuts = new AliESDtrackCuts();
04b116e8 82 DefineInput(0, TChain::Class());
83 DefineOutput(1, TList::Class()); // for output list
3c40321c 84}
85
86//________________________________________________________________________
965c985f 87AliAnalysisTaskPi0V2::AliAnalysisTaskPi0V2() // All data members should be initialised here
8f40bd27 88 :AliAnalysisTaskSE("default_name"),
04b116e8 89 fOutput(0),
04b116e8 90 fESD(0),
670ffa5c 91 fTrackCuts(0),
8071d5b2 92 fEvtSelect(1),
670ffa5c 93 fVtxCut(10.),
94 fNcellCut(2), fECut(1), fEtaCut(0.65), fM02Cut(0.5), fPi0AsyCut(0),
04b116e8 95 fCentrality(99.),
96 fEPTPC(-999.),
97 fEPTPCreso(0.),
98 fEPV0(-999.), fEPV0A(-999.), fEPV0C(-999.), fEPV0Ar(-999.), fEPV0Cr(-999.), fEPV0r(-999.),
99 fEPV0AR4(-999.), fEPV0AR5(-999.), fEPV0AR6(-999.), fEPV0AR7(-999.), fEPV0CR0(-999.), fEPV0CR1(-999.), fEPV0CR2(-999.), fEPV0CR3(-999.),
ef7e23cf 100 hEvtCount(0), hAllcentV0(0), hAllcentV0r(0), hAllcentV0A(0), hAllcentV0C(0), hAllcentTPC(0),
04b116e8 101 hEPTPC(0), hresoTPC(0),
102 hEPV0(0), hEPV0A(0), hEPV0C(0), hEPV0Ar(0), hEPV0Cr(0), hEPV0r(0), hEPV0AR4(0), hEPV0AR7(0), hEPV0CR0(0), hEPV0CR3(0),
103 hdifV0A_V0CR0(0), hdifV0A_V0CR3(0), hdifV0ACR0_V0CR3(0), hdifV0C_V0AR4(0), hdifV0C_V0AR7(0), hdifV0AR4_V0AR7(0),
104 hdifV0A_V0C(0), hdifV0A_TPC(0), hdifV0C_TPC(0), hdifV0C_V0A(0),
105 hdifEMC_EP(0), hdifful_EP(0), hdifout_EP(0),
106 fHEPV0r(0), fHEPV0A(0), fHEPV0C(0), fHEPTPC(0)
3c40321c 107{
04b116e8 108 // Constructor
109 // Define input and output slots here (never in the dummy constructor)
110 // Input slot #0 works with a TChain - it is connected to the default input container
111 // Output slot #1 writes into a TH1 container
670ffa5c 112 fTrackCuts = new AliESDtrackCuts();
04b116e8 113 DefineInput(0, TChain::Class());
114 DefineOutput(1, TList::Class()); // for output list
3c40321c 115}
116
117//________________________________________________________________________
118AliAnalysisTaskPi0V2::~AliAnalysisTaskPi0V2()
119{
04b116e8 120 // Destructor. Clean-up the output list, but not the histograms that are put inside
121 // (the list is owner and will clean-up these histograms). Protect in PROOF case.
670ffa5c 122 delete fTrackCuts;
123 delete fOutput;
3c40321c 124}
125//_____________________________________________________________________
126Double_t AliAnalysisTaskPi0V2::GetMaxCellEnergy(const AliVCluster *cluster, Short_t &id) const
127{
128 // Get maximum energy of attached cell.
129
130 id = -1;
131
132 AliVCaloCells *cells = 0;
133 if (fESD)
134 cells = fESD->GetEMCALCells();
3c40321c 135 if (!cells)
136 return 0;
137
138 Double_t maxe = 0;
139 const Int_t ncells = cluster->GetNCells();
140 for (Int_t i=0; i<ncells; i++) {
141 Double_t e = cells->GetCellAmplitude(TMath::Abs(cluster->GetCellAbsId(i)));
142 if (e>maxe) {
143 maxe = e;
144 id = cluster->GetCellAbsId(i);
145 }
146 }
147 return maxe;
148}
149//_____________________________________________________________________
150Double_t AliAnalysisTaskPi0V2::GetCrossEnergy(const AliVCluster *cluster, Short_t &idmax) const
151{
152 // Calculate the energy of cross cells around the leading cell.
153
154 AliVCaloCells *cells = 0;
155 if (fESD)
156 cells = fESD->GetEMCALCells();
3c40321c 157 if (!cells)
158 return 0;
159
160 AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance();
161 if (!geom)
162 return 0;
163
164 Int_t iSupMod = -1;
165 Int_t iTower = -1;
166 Int_t iIphi = -1;
167 Int_t iIeta = -1;
168 Int_t iphi = -1;
169 Int_t ieta = -1;
170 Int_t iphis = -1;
171 Int_t ietas = -1;
172
965c985f 173 Double_t crossEnergy = 0.;
3c40321c 174
175 geom->GetCellIndex(idmax,iSupMod,iTower,iIphi,iIeta);
176 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphis,ietas);
177
178 Int_t ncells = cluster->GetNCells();
179 for (Int_t i=0; i<ncells; i++) {
180 Int_t cellAbsId = cluster->GetCellAbsId(i);
181 geom->GetCellIndex(cellAbsId,iSupMod,iTower,iIphi,iIeta);
182 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta);
183 Int_t aphidiff = TMath::Abs(iphi-iphis);
184 if (aphidiff>1)
185 continue;
186 Int_t aetadiff = TMath::Abs(ieta-ietas);
187 if (aetadiff>1)
188 continue;
189 if ( (aphidiff==1 && aetadiff==0) ||
190 (aphidiff==0 && aetadiff==1) ) {
191 crossEnergy += cells->GetCellAmplitude(cellAbsId);
192 }
193 }
194
195 return crossEnergy;
196}
197//_____________________________________________________________________
198Bool_t AliAnalysisTaskPi0V2::IsWithinFiducialVolume(Short_t id) const
199{
200 // Check if cell is within given fiducial volume.
201
202 Double_t fNFiducial = 1;
203
204 Int_t iSupMod = -1;
205 Int_t iTower = -1;
206 Int_t iIphi = -1;
207 Int_t iIeta = -1;
208 Int_t iphi = -1;
209 Int_t ieta = -1;
210
211 Bool_t okrow = kFALSE;
212 Bool_t okcol = kFALSE;
213
04b116e8 214 AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance();
3c40321c 215 if (!geom)
216 return kFALSE;
217
218 Int_t cellAbsId = id;
219 geom->GetCellIndex(cellAbsId,iSupMod,iTower,iIphi,iIeta);
220 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta);
221
222 // Check rows/phi
223 if (iSupMod < 10) {
224 if (iphi >= fNFiducial && iphi < 24-fNFiducial)
225 okrow = kTRUE;
226 } else {
227 if (iphi >= fNFiducial && iphi < 12-fNFiducial)
228 okrow = kTRUE;
229 }
230 // Check columns/eta
231 Bool_t noEMCALBorderAtEta0 = kTRUE;
232 if (!noEMCALBorderAtEta0) {
233 if (ieta > fNFiducial && ieta < 48-fNFiducial)
234 okcol = kTRUE;
235 } else {
236 if (iSupMod%2==0) {
237 if (ieta >= fNFiducial)
238 okcol = kTRUE;
239 } else {
240 if (ieta < 48-fNFiducial)
241 okcol = kTRUE;
242 }
243 }
244 if (okrow && okcol)
245 return kTRUE;
246
247 return kFALSE;
248}
249//______________________________________________________________________
250Bool_t AliAnalysisTaskPi0V2::IsGoodCluster(const AliESDCaloCluster *c) const
251{
252
253 if(!c)
254 return kFALSE;
255
670ffa5c 256 if(c->GetNCells() < fNcellCut)
3c40321c 257 return kFALSE;
258
670ffa5c 259 if(c->E() < fECut)
3c40321c 260 return kFALSE;
261
262 Short_t id = -1;
263 Double_t maxE = GetMaxCellEnergy(c, id);
965c985f 264 if((1. - double(GetCrossEnergy(c,id))/maxE) > 0.97)
3c40321c 265 return kFALSE;
266
965c985f 267
3c40321c 268 Float_t pos1[3];
269 c->GetPosition(pos1);
270 TVector3 clsPos(pos1);
271 Double_t eta = clsPos.Eta();
272
670ffa5c 273 if(TMath::Abs(eta) > fEtaCut)
3c40321c 274 return kFALSE;
275
276 if (!IsWithinFiducialVolume(id))
277 return kFALSE;
278
670ffa5c 279 if(c->GetM02() >fM02Cut)
3c40321c 280 return kFALSE;
281
04b116e8 282// if(c->M20 >)
283
3c40321c 284 return kTRUE;
70d53162 285
04b116e8 286}
3c40321c 287//_____________________________________________________________________
288Bool_t AliAnalysisTaskPi0V2::IsGoodPion(const TLorentzVector &p1, const TLorentzVector &p2) const
289{
290 // Is good pion?
291
670ffa5c 292 if(fPi0AsyCut){
293 Double_t asym = TMath::Abs(p1.E()-p2.E())/(p1.E()+p2.E());
294 if (asym>0.7)
295 return kFALSE;
296 }
3c40321c 297 TLorentzVector pion;
298 pion = p1 + p2;
299 Double_t eta = pion.Eta();
670ffa5c 300 if(TMath::Abs(eta) > fEtaCut)
3c40321c 301 return kFALSE;
302
303 return kTRUE;
304}
305//_______________________________________________________________________
306void AliAnalysisTaskPi0V2::FillPion(const TLorentzVector& p1, const TLorentzVector& p2, Double_t EPV0r, Double_t EPV0A, Double_t EPV0C, Double_t EPTPC)
307{
308 // Fill histogram.
309
310 if (!IsGoodPion(p1,p2))
311 return;
312 TLorentzVector pion;
313 pion = p1 + p2;
314
315 Double_t mass = pion.M();
316 Double_t pt = pion.Pt();
317 Double_t phi = pion.Phi();
318
319 Double_t dphiV0 = phi-EPV0r;
320 Double_t dphiV0A = phi-EPV0A;
321 Double_t dphiV0C = phi-EPV0C;
322 Double_t dphiTPC = phi-EPTPC;
323
324 Double_t cos2phiV0 = TMath::Cos(2.*(dphiV0));
325 Double_t cos2phiV0A = TMath::Cos(2.*(dphiV0A));
326 Double_t cos2phiV0C = TMath::Cos(2.*(dphiV0C));
327 Double_t cos2phiTPC = TMath::Cos(2.*(dphiTPC));
328
c6ee6f73 329 dphiV0 = TVector2::Phi_0_2pi(dphiV0); if(dphiV0 >TMath::Pi()) dphiV0 -= TMath::Pi();
330 dphiV0A = TVector2::Phi_0_2pi(dphiV0A); if(dphiV0A >TMath::Pi()) dphiV0A -= TMath::Pi();
331 dphiV0C = TVector2::Phi_0_2pi(dphiV0C); if(dphiV0C >TMath::Pi()) dphiV0C -= TMath::Pi();
332 dphiTPC = TVector2::Phi_0_2pi(dphiTPC); if(dphiTPC >TMath::Pi()) dphiTPC -= TMath::Pi();
3c40321c 333
334 Double_t xV0[5]; // Match ndims in fH V0 EP
335 xV0[0] = mass;
336 xV0[1] = pt;
337 xV0[2] = fCentrality;
338 xV0[3] = dphiV0;
339 xV0[4] = cos2phiV0;
340 fHEPV0r->Fill(xV0);
341
342 Double_t xV0A[5]; // Match ndims in fH V0A EP
343 xV0A[0] = mass;
344 xV0A[1] = pt;
345 xV0A[2] = fCentrality;
346 xV0A[3] = dphiV0A;
347 xV0A[4] = cos2phiV0A;
348 fHEPV0A->Fill(xV0A);
349
350 Double_t xV0C[5]; // Match ndims in fH V0C EP
351 xV0C[0] = mass;
352 xV0C[1] = pt;
353 xV0C[2] = fCentrality;
354 xV0C[3] = dphiV0C;
355 xV0C[4] = cos2phiV0C;
356 fHEPV0C->Fill(xV0C);
357
358 Double_t xTPC[5]; // Match ndims in fH TPC EP
359 xTPC[0] = mass;
360 xTPC[1] = pt;
361 xTPC[2] = fCentrality;
362 xTPC[3] = dphiTPC;
363 xTPC[4] = cos2phiTPC;
364 fHEPTPC->Fill(xTPC);
70d53162 365
04b116e8 366
367}
3c40321c 368//_________________________________________________________________________________________________
369void AliAnalysisTaskPi0V2::GetMom(TLorentzVector& p, const AliESDCaloCluster *c, Double_t *vertex)
370{
371 // Calculate momentum.
372 Float_t posMom[3];
373 c->GetPosition(posMom);
374 TVector3 clsPos2(posMom);
375
376 Double_t e = c->E();
377 Double_t r = clsPos2.Perp();
378 Double_t eta = clsPos2.Eta();
379 Double_t phi = clsPos2.Phi();
380
381 TVector3 pos;
382 pos.SetPtEtaPhi(r,eta,phi);
383
384 if (vertex) { //calculate direction relative to vertex
385 pos -= vertex;
386 }
387
388 Double_t rad = pos.Mag();
389 p.SetPxPyPzE(e*pos.x()/rad, e*pos.y()/rad, e*pos.z()/rad, e);
70d53162 390
04b116e8 391}
3c40321c 392//________________________________________________________________________
393void AliAnalysisTaskPi0V2::UserCreateOutputObjects()
394{
04b116e8 395 // Create histograms
396 // Called once (on the worker node)
3c40321c 397
04b116e8 398 fOutput = new TList();
399 fOutput->SetOwner(); // IMPORTANT!
ef7e23cf 400
401 hEvtCount = new TH1F("hEvtCount", " Event Plane", 10, 0.5, 10.5);
0c842c93 402 hEvtCount->GetXaxis()->SetBinLabel(1,"SemiMB");
ef7e23cf 403 hEvtCount->GetXaxis()->SetBinLabel(2,"vert");
404 hEvtCount->GetXaxis()->SetBinLabel(3,"cent");
405 hEvtCount->GetXaxis()->SetBinLabel(4,"EPtask");
406 hEvtCount->GetXaxis()->SetBinLabel(5,"EPvalue");
407 hEvtCount->GetXaxis()->SetBinLabel(6,"Pass");
408 fOutput->Add(hEvtCount);
04b116e8 409
ebaf288d 410 hEPTPC = new TH2F("hEPTPC", "EPTPC vs cent", 100, 0., 100., 100, 0., TMath::Pi());
411 hresoTPC = new TH2F("hresoTPC", "TPc reso vs cent", 100, 0., 100., 100, 0., 1.);
412 hEPV0 = new TH2F("hEPV0", "EPV0 vs cent", 100, 0., 100., 100, 0., TMath::Pi());
413 hEPV0A = new TH2F("hEPV0A", "EPV0A vs cent", 100, 0., 100., 100, 0., TMath::Pi());
414 hEPV0C = new TH2F("hEPV0C", "EPV0C vs cent", 100, 0., 100., 100, 0., TMath::Pi());
415 hEPV0Ar = new TH2F("hEPV0Ar", "EPV0Ar vs cent", 100, 0., 100., 100, 0., TMath::Pi());
416 hEPV0Cr = new TH2F("hEPV0Cr", "EPV0Cr vs cent", 100, 0., 100., 100, 0., TMath::Pi());
417 hEPV0r = new TH2F("hEPV0r", "EPV0r vs cent", 100, 0., 100., 100, 0., TMath::Pi());
418 hEPV0AR4 = new TH2F("hEPV0AR4", "EPV0AR4 vs cent", 100, 0., 100., 100, 0., TMath::Pi());
419 hEPV0AR7 = new TH2F("hEPV0AR7", "EPV0AR7 vs cent", 100, 0., 100., 100, 0., TMath::Pi());
420 hEPV0CR0 = new TH2F("hEPV0CR0", "EPV0CR0 vs cent", 100, 0., 100., 100, 0., TMath::Pi());
421 hEPV0CR3 = new TH2F("hEPV0CR3", "EPV0CR3 vs cent", 100, 0., 100., 100, 0., TMath::Pi());
04b116e8 422 fOutput->Add(hEPTPC);
423 fOutput->Add(hresoTPC);
424 fOutput->Add(hEPV0);
425 fOutput->Add(hEPV0A);
426 fOutput->Add(hEPV0C);
427 fOutput->Add(hEPV0Ar);
428 fOutput->Add(hEPV0Cr);
429 fOutput->Add(hEPV0r);
430 fOutput->Add(hEPV0AR4);
431 fOutput->Add(hEPV0AR7);
432 fOutput->Add(hEPV0CR0);
433 fOutput->Add(hEPV0CR3);
434
ebaf288d 435 hdifV0A_V0CR0 = new TH2F("hdifV0A_V0CR0", "EP A-R0 ", 100, 0., 100., 100, -1., 1.);
436 hdifV0A_V0CR3 = new TH2F("hdifV0A_V0CR3", "EP A-R3 ", 100, 0., 100., 100, -1., 1.);
437 hdifV0ACR0_V0CR3 = new TH2F("hdifV0ACR0_V0CR3", "EP R0-R3 ", 100, 0., 100., 100, -1., 1.);
438 hdifV0C_V0AR4 = new TH2F("hdifV0C_V0AR4", "EP C-R4 ", 100, 0., 100., 100, -1., 1.);
439 hdifV0C_V0AR7 = new TH2F("hdifV0C_V0AR7", "EP C-R7 ", 100, 0., 100., 100, -1., 1.);
440 hdifV0AR4_V0AR7 = new TH2F("hdifV0AR4_V0AR7", "EP R4-R7 ", 100, 0., 100., 100, -1., 1.);
04b116e8 441 fOutput->Add(hdifV0A_V0CR0);
442 fOutput->Add(hdifV0A_V0CR3);
443 fOutput->Add(hdifV0ACR0_V0CR3);
444 fOutput->Add(hdifV0C_V0AR4);
445 fOutput->Add(hdifV0C_V0AR7);
446 fOutput->Add(hdifV0AR4_V0AR7);
447
ebaf288d 448 hdifV0A_V0C = new TH2F("hdifV0A_V0C", "EP A-C ", 100, 0., 100., 100, -1., 1.);
449 hdifV0A_TPC = new TH2F("hdifV0A_TPC", "EP A-TPC", 100, 0., 100., 100, -1., 1.);
450 hdifV0C_TPC = new TH2F("hdifV0C_TPC", "EP C-TPC", 100, 0., 100., 100, -1., 1.);
451 hdifV0C_V0A = new TH2F("hdifV0C_V0A", "EP C-A ", 100, 0., 100., 100, -1., 1.);
04b116e8 452 fOutput->Add(hdifV0A_V0C);
453 fOutput->Add(hdifV0A_TPC);
454 fOutput->Add(hdifV0C_TPC);
455 fOutput->Add(hdifV0C_V0A);
456
457
458
807a2829 459 hdifEMC_EP = new TH3F("hdifEMC_EP", "dif phi in EMC with EP", 100, 0., 100., 100, 0., TMath::Pi(), 15, 0., 15.);
460 hdifful_EP = new TH3F("hdifful_EP", "dif phi in full with EP", 100, 0., 100., 100, 0., TMath::Pi(), 15, 0., 15.);
461 hdifout_EP = new TH3F("hdifout_EP", "dif phi NOT in EMC with EP", 100, 0., 100., 100, 0., TMath::Pi(), 15, 0., 15.);
04b116e8 462 fOutput->Add(hdifEMC_EP);
463 fOutput->Add(hdifful_EP);
464 fOutput->Add(hdifout_EP);
465
ebaf288d 466 hAllcentV0 = new TH1F("hAllcentV0", "All cent EP V0", 100, 0., TMath::Pi());
467 hAllcentV0r = new TH1F("hAllcentV0r", "All cent EP V0r", 100, 0., TMath::Pi());
468 hAllcentV0A = new TH1F("hAllcentV0A", "All cent EP V0A", 100, 0., TMath::Pi());
469 hAllcentV0C = new TH1F("hAllcentV0C", "All cent EP V0C", 100, 0., TMath::Pi());
470 hAllcentTPC = new TH1F("hAllcentTPC", "All cent EP TPC", 100, 0., TMath::Pi());
471 fOutput->Add(hAllcentV0);
472 fOutput->Add(hAllcentV0r);
473 fOutput->Add(hAllcentV0A);
474 fOutput->Add(hAllcentV0C);
475 fOutput->Add(hAllcentTPC);
476
04b116e8 477 const Int_t ndims = 5;
478 Int_t nMgg=500, nPt=40, nCent=20, nDeltaPhi=315, ncos2phi=500;
479 Int_t bins[ndims] = {nMgg, nPt, nCent, nDeltaPhi, ncos2phi};
480 Double_t xmin[ndims] = { 0, 0., 0, 0., -1.};
481 Double_t xmax[ndims] = { 0.5, 20., 100, 3.15, 1.};
482 fHEPV0r = new THnSparseF("fHEPV0r", "Flow histogram EPV0", ndims, bins, xmin, xmax);
483 fHEPV0A = new THnSparseF("fHEPV0A", "Flow histogram EPV0A", ndims, bins, xmin, xmax);
484 fHEPV0C = new THnSparseF("fHEPV0C", "Flow histogram EPV0C", ndims, bins, xmin, xmax);
485 fHEPTPC = new THnSparseF("fHEPTPC", "Flow histogram EPTPC", ndims, bins, xmin, xmax);
486 fOutput->Add(fHEPV0r);
487 fOutput->Add(fHEPV0A);
488 fOutput->Add(fHEPV0C);
489 fOutput->Add(fHEPTPC);
490
3c40321c 491
04b116e8 492
493 PostData(1, fOutput); // Post data for ALL output slots >0 here, to get at least an empty histogram
3c40321c 494}
495
496//________________________________________________________________________
497void AliAnalysisTaskPi0V2::UserExec(Option_t *)
498{
04b116e8 499 // Main loop
500 // Called for each event
501
04b116e8 502 // Create pointer to reconstructed event
503 AliVEvent *event = InputEvent();
504 if (!event) { Printf("ERROR: Could not retrieve event"); return; }
505
0c842c93 506 Bool_t isSelected =0;
670ffa5c 507 if(fEvtSelect == 1){ //MB+SemiCentral
8071d5b2 508 isSelected = (((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & (AliVEvent::kMB | AliVEvent::kSemiCentral));
670ffa5c 509 } else if (fEvtSelect == 2){ //MB+Central+SemiCentral
8071d5b2 510 isSelected = (((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & (AliVEvent::kMB | AliVEvent::kSemiCentral | AliVEvent::kCentral));
670ffa5c 511 } else if(fEvtSelect == 3){ //MB
512 isSelected = (((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & (AliVEvent::kMB ));
8071d5b2 513 }
514 if(!isSelected )
0c842c93 515 return;
516
04b116e8 517 // create pointer to event
518 fESD = dynamic_cast<AliESDEvent*>(event);
519 if (!fESD) {
520 AliError("Cannot get the ESD event");
521 return;
522 }
04b116e8 523
ef7e23cf 524 hEvtCount->Fill(1);
525
526 const AliESDVertex* fvertex = fESD->GetPrimaryVertex();
670ffa5c 527 if(TMath::Abs(fvertex->GetZ())>fVtxCut)
c6ee6f73 528 return;
04b116e8 529 Double_t vertex[3] = {fvertex->GetX(), fvertex->GetY(), fvertex->GetZ()};
70d53162 530
ef7e23cf 531 hEvtCount->Fill(2);
532
04b116e8 533 if(fESD->GetCentrality()) {
534 fCentrality =
670ffa5c 535 fESD->GetCentrality()->GetCentralityPercentile("CL1"); //spd vertex
ef7e23cf 536 } else{
537 return;
04b116e8 538 }
3c40321c 539
ef7e23cf 540 hEvtCount->Fill(3);
04b116e8 541 AliEventplane *ep = fESD->GetEventplane();
542 if (ep) {
543 if (ep->GetQVector())
544 fEPTPC = ep->GetQVector()->Phi()/2. ;
545 else
546 fEPTPC = -999.;
547 if (ep->GetQsub1()&&ep->GetQsub2())
548 fEPTPCreso = TMath::Cos(2.*(ep->GetQsub1()->Phi()/2.-ep->GetQsub2()->Phi()/2.));
549 else
550 fEPTPCreso = -1;
551
552 fEPV0 = ep->GetEventplane("V0", fESD);
553 fEPV0A = ep->GetEventplane("V0A", fESD);
554 fEPV0C = ep->GetEventplane("V0C", fESD);
555 Double_t qx=0, qy=0;
556 Double_t qxr=0, qyr=0;
557 fEPV0Ar = ep->CalculateVZEROEventPlane(fESD, 4, 5, 2, qxr, qyr);
558 fEPV0Cr = ep->CalculateVZEROEventPlane(fESD, 2, 3, 2, qx, qy);
559 qxr += qx;
560 qyr += qy;
561 fEPV0r = TMath::ATan2(qyr,qxr)/2.;
562 fEPV0AR4 = ep->CalculateVZEROEventPlane(fESD, 4, 2, qx, qy);
563 fEPV0AR5 = ep->CalculateVZEROEventPlane(fESD, 5, 2, qx, qy);
564 fEPV0AR6 = ep->CalculateVZEROEventPlane(fESD, 6, 2, qx, qy);
565 fEPV0AR7 = ep->CalculateVZEROEventPlane(fESD, 7, 2, qx, qy);
566 fEPV0CR0 = ep->CalculateVZEROEventPlane(fESD, 0, 2, qx, qy);
567 fEPV0CR1 = ep->CalculateVZEROEventPlane(fESD, 1, 2, qx, qy);
568 fEPV0CR2 = ep->CalculateVZEROEventPlane(fESD, 2, 2, qx, qy);
569 fEPV0CR3 = ep->CalculateVZEROEventPlane(fESD, 3, 2, qx, qy);
3c40321c 570
04b116e8 571 }
965c985f 572
ef7e23cf 573 hEvtCount->Fill(4);
574
670ffa5c 575 if( fEPV0A<-2. || fEPV0C<-2. || fEPV0AR4<-2.
576 || fEPV0AR7<-2. || fEPV0CR0<-2. || fEPV0CR3<-2.
577 || fEPTPC<-2. || fEPV0r<-2. || fEPV0Ar<-2.
578 || fEPV0Cr<-2.) return;
ef7e23cf 579
580 hEvtCount->Fill(5);
581
ebaf288d 582 fEPV0 = TVector2::Phi_0_2pi(fEPV0); if(fEPV0>TMath::Pi()) fEPV0 = fEPV0 - TMath::Pi();
583 fEPV0r = TVector2::Phi_0_2pi(fEPV0r); if(fEPV0r>TMath::Pi()) fEPV0r = fEPV0r - TMath::Pi();
584 fEPV0A = TVector2::Phi_0_2pi(fEPV0A); if(fEPV0A>TMath::Pi()) fEPV0A = fEPV0A - TMath::Pi();
585 fEPV0C = TVector2::Phi_0_2pi(fEPV0C); if(fEPV0C>TMath::Pi()) fEPV0C = fEPV0C - TMath::Pi();
586 fEPV0Ar = TVector2::Phi_0_2pi(fEPV0Ar); if(fEPV0Ar>TMath::Pi()) fEPV0Ar = fEPV0Ar - TMath::Pi();
587 fEPV0Cr = TVector2::Phi_0_2pi(fEPV0Cr); if(fEPV0Cr>TMath::Pi()) fEPV0Cr = fEPV0Cr - TMath::Pi();
588 fEPV0AR4 = TVector2::Phi_0_2pi(fEPV0AR4); if(fEPV0AR4>TMath::Pi()) fEPV0AR4 = fEPV0AR4 - TMath::Pi();
589 fEPV0AR7 = TVector2::Phi_0_2pi(fEPV0AR7); if(fEPV0AR7>TMath::Pi()) fEPV0AR7 = fEPV0AR7 - TMath::Pi();
590 fEPV0CR0 = TVector2::Phi_0_2pi(fEPV0CR0); if(fEPV0CR0>TMath::Pi()) fEPV0CR0 = fEPV0CR0 - TMath::Pi();
591 fEPV0CR3 = TVector2::Phi_0_2pi(fEPV0CR3); if(fEPV0CR3>TMath::Pi()) fEPV0CR3 = fEPV0CR3 - TMath::Pi();
592
8071d5b2 593 if(fEPTPC != -999.)
04b116e8 594 hEPTPC->Fill(fCentrality, fEPTPC);
595 if(fEPTPCreso!=-1) hresoTPC->Fill(fCentrality, fEPTPCreso);
596 hEPV0->Fill(fCentrality, fEPV0);
597 hEPV0A->Fill(fCentrality, fEPV0A);
598 hEPV0C->Fill(fCentrality, fEPV0C);
599 hEPV0Ar->Fill(fCentrality, fEPV0Ar);
600 hEPV0Cr->Fill(fCentrality, fEPV0Cr);
601 hEPV0r->Fill(fCentrality, fEPV0r);
ebaf288d 602 hEPV0AR4->Fill(fCentrality, fEPV0AR4);
603 hEPV0AR7->Fill(fCentrality, fEPV0AR7);
604 hEPV0CR0->Fill(fCentrality, fEPV0CR0);
605 hEPV0CR3->Fill(fCentrality, fEPV0CR3);
606
607 hAllcentV0->Fill(fEPV0);
608 hAllcentV0r->Fill(fEPV0r);
609 hAllcentV0A->Fill(fEPV0A);
610 hAllcentV0C->Fill(fEPV0C);
611 hAllcentTPC->Fill(fEPTPC);
04b116e8 612
613 hdifV0A_V0CR0->Fill(fCentrality, TMath::Cos(2.*(fEPV0A - fEPV0CR0)));
614 hdifV0A_V0CR3->Fill(fCentrality, TMath::Cos(2.*(fEPV0A - fEPV0CR3)));
615 hdifV0ACR0_V0CR3->Fill(fCentrality, TMath::Cos(2*(fEPV0CR0 - fEPV0CR3)));
616 hdifV0C_V0AR4->Fill(fCentrality, TMath::Cos(2*(fEPV0C - fEPV0AR4)));
617 hdifV0C_V0AR7->Fill(fCentrality, TMath::Cos(2*(fEPV0C - fEPV0AR7)));
618 hdifV0AR4_V0AR7->Fill(fCentrality, TMath::Cos(2*(fEPV0AR4 - fEPV0AR7)));
3c40321c 619
04b116e8 620 hdifV0A_V0C->Fill(fCentrality, TMath::Cos(2*(fEPV0A - fEPV0C)));
621 hdifV0A_TPC->Fill(fCentrality, TMath::Cos(2*(fEPV0A - fEPTPC)));
622 hdifV0C_TPC->Fill(fCentrality, TMath::Cos(2*(fEPV0C - fEPTPC)));
623 hdifV0C_V0A->Fill(fCentrality, TMath::Cos(2*(fEPV0C - fEPV0A)));
624 // Cluster loop for reconstructed event
04b116e8 625
670ffa5c 626 Int_t nCluster = fESD->GetNumberOfCaloClusters();
627 for(Int_t i=0; i<nCluster; ++i){
628 AliESDCaloCluster *c1 = fESD->GetCaloCluster(i);
629 if(!c1->IsEMCAL()) continue;
630 if(!IsGoodCluster(c1)) continue;
631 for(Int_t j=i+1; j<nCluster; ++j){
632 AliESDCaloCluster *c2 = fESD->GetCaloCluster(j);
633 if(!c2->IsEMCAL()) continue;
634 if(!IsGoodCluster(c2)) continue;
635 TLorentzVector p1;
636 GetMom(p1, c1, vertex);
637 TLorentzVector p2;
638 GetMom(p2, c2, vertex);
639 FillPion(p1, p2, fEPV0r, fEPV0A, fEPV0C, fEPTPC);
640 }
641 }
642
643 //for track analysis.
644 fTrackCuts->SetAcceptKinkDaughters(kFALSE);
645 fTrackCuts->SetRequireTPCRefit(kTRUE);
646 fTrackCuts->SetRequireITSRefit(kTRUE);
647 fTrackCuts->SetEtaRange(-0.7,0.7);
648 fTrackCuts->SetRequireSigmaToVertex(kTRUE);
649 fTrackCuts->SetMaxChi2PerClusterTPC(3.5);
650 fTrackCuts->SetMinNClustersTPC(100);
651
652 Int_t nTrack = fESD->GetNumberOfTracks();
653 for(Int_t i=0; i<nTrack; ++i){
654 AliESDtrack* esdtrack = fESD->GetTrack(i); // pointer to reconstructed to track
655 if(!fTrackCuts->AcceptTrack(esdtrack))
656 continue;
657 if(!esdtrack) {
658 AliError(Form("ERROR: Could not retrieve esdtrack %d",i));
04b116e8 659 continue;
660 }
661 Double_t tPhi = esdtrack->Phi();
662 Double_t tPt = esdtrack->Pt();
ebaf288d 663
90340bdc 664 Double_t difTrack = TVector2::Phi_0_2pi(tPhi-fEPV0); if(difTrack >TMath::Pi()) difTrack -= TMath::Pi();
04b116e8 665 if(esdtrack->IsEMCAL()){
ebaf288d 666 hdifEMC_EP->Fill(fCentrality, difTrack, tPt);
04b116e8 667 }else{
ebaf288d 668 hdifout_EP->Fill(fCentrality, difTrack, tPt);
04b116e8 669 }
ebaf288d 670 hdifful_EP->Fill(fCentrality, difTrack, tPt);
04b116e8 671 }
ef7e23cf 672 hEvtCount->Fill(6);
04b116e8 673
674 // NEW HISTO should be filled before this point, as PostData puts the
675 // information for this iteration of the UserExec in the container
676 PostData(1, fOutput);
3c40321c 677}
678
04b116e8 679
3c40321c 680//________________________________________________________________________
681void AliAnalysisTaskPi0V2::Terminate(Option_t *)
682{
04b116e8 683 // Draw result to screen, or perform fitting, normalizations
684 // Called once at the end of the query
685// fOutput = dynamic_cast<TList*> (GetOutputData(1));
686 // if(!fOutput) { Printf("ERROR: could not retrieve TList fOutput"); return; }
687
688 // Get the physics selection histograms with the selection statistics
689 //AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
690 //AliESDInputHandler *inputH = dynamic_cast<AliESDInputHandler*>(mgr->GetInputEventHandler());
691 //TH2F *histStat = (TH2F*)inputH->GetStatistics();
692
693
694 // NEW HISTO should be retrieved from the TList container in the above way,
695 // so it is available to draw on a canvas such as below
696
3c40321c 697}