AliPhysics  9c66e61 (9c66e61)
AliAnalysisTaskV0QA.cxx
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1 //------------------------------------------------
2 // Implementation of AliAnalysisTaskV0QA class.
3 // Calculates the "on the fly" V0 method efficiency
4 // for Gamma, K0s, lambda, antilambda
5 // Needs MC information
6 // Author: A. Marin Revision 18/10/09
7 //-------------------------------------------------
8 #define AliAnalysisTaskV0QA_cxx
9 
10 #include "TChain.h"
11 #include "TH1.h"
12 #include "TH2.h"
13 
14 
15 //#include "TLorentzVector.h"
16 
17 #include "AliAnalysisTaskSE.h"
18 #include "AliTrackReference.h"
19 #include "AliKFParticle.h"
20 #include "AliKFVertex.h"
21 #include "AliVertexerTracks.h"
22 #include "AliESDEvent.h"
23 #include "AliESDInputHandler.h"
24 #include "AliMCEvent.h"
25 #include "AliMCEventHandler.h"
26 #include "AliStack.h"
27 #include "AliESD.h"
28 #include "AliLog.h"
29 #include "AliCentrality.h"
30 #include "AliAnalysisTaskV0QA.h"
31 
32 ClassImp(AliAnalysisTaskV0QA)
34 fESD(0),
35 fStack(0),
36 fMCtruth(0),
37 fChain(0),
38 fOutputContainer(0),
39 fSparseV0(0),
40 fSparseK0(0),
41 fSparseL(0),
42 fSparseAL(0),
43 fnEv(0),
44 fgDim(500),
45 fnConvGamGeant(-1),
46 fgConvGamGeantIndex(0),
47 feNegConvGamGeantIndex(0),
48 fePosConvGamGeantIndex(0),
49 feNegConvGamGeantLength(0),
50 fePosConvGamGeantLength(0),
51 feNegConvGamSingleRecIndex(0),
52 fePosConvGamSingleRecIndex(0),
53 feNegConvGamV0RecIndex(0),
54 fePosConvGamV0RecIndex(0),
55 fConvGamV0RecIndexPos(0),
56 fConvGamV0RecIndexNeg(0),
57 fnDecayLGeant(-1),
58 flDecayLGeantIndex(0),
59 fpiNegDecayLGeantIndex(0),
60 fpPosDecayLGeantIndex(0),
61 fpiNegDecayLGeantLength(0),
62 fpPosDecayLGeantLength(0),
63 fpiNegDecayLSingleRecIndex(0),
64 fpPosDecayLSingleRecIndex(0),
65 fpiNegDecayLV0RecIndex(0),
66 fpPosDecayLV0RecIndex(0),
67 fDecayLV0RecIndexPos(0),
68 fDecayLV0RecIndexNeg(0),
69 fnDecayALGeant(-1),
70 falDecayALGeantIndex(0),
71 fpiPosDecayALGeantIndex(0),
72 fapNegDecayALGeantIndex(0),
73 fpiPosDecayALGeantLength(0),
74 fapNegDecayALGeantLength(0),
75 fpiPosDecayALSingleRecIndex(0),
76 fapNegDecayALSingleRecIndex(0),
77 fpiPosDecayALV0RecIndex(0),
78 fapNegDecayALV0RecIndex(0),
79 fDecayALV0RecIndexPos(0),
80 fDecayALV0RecIndexNeg(0),
81 fnDecayK0Geant(-1),
82 fK0DecayK0GeantIndex(0),
83 fpiNegDecayK0GeantIndex(0),
84 fpiPosDecayK0GeantIndex(0),
85 fpiNegDecayK0GeantLength(0),
86 fpiPosDecayK0GeantLength(0),
87 fpiNegDecayK0SingleRecIndex(0),
88 fpiPosDecayK0SingleRecIndex(0),
89 fpiNegDecayK0V0RecIndex(0),
90 fpiPosDecayK0V0RecIndex(0),
91 fDecayK0V0RecIndexPos(0),
92 fDecayK0V0RecIndexNeg(0),
93 fpiPosK0Index(-1),
94 fpiNegK0Index(-1),
95 fnTracksPrim(-1),
96 ftpcRefit(0),
97 fitsRefit(0),
98 ftrdRefit(0),
99 ftrdOut(0),
100 fDim(38),
101 fValueL(0),
102 fValueAL(0),
103 fValueK0(0),
104 fValueV0(0),
105 fxminV0(0),
106 fxmaxV0(0),
107 fbinsV0(0),
108 fCentralityC(-1),
109 fRefTPC(0),
110 fclRefsN(0),
111 fclRefsP(0)
112 
113  {
114  // Default Constructor.
115  for(Int_t i=0;i<100000;i++) fLabelsTPC[i] = 0;
116  }
117 
118 //________________________________________________________________________
120 fESD(0),
121 fStack(0),
122 fMCtruth(0),
123 fChain(0),
124 fOutputContainer(0),
125 fSparseV0(0),
126 fSparseK0(0),
127 fSparseL(0),
128 fSparseAL(0),
129 fnEv(0),
130 fgDim(500),
131 fnConvGamGeant(-1),
132 fgConvGamGeantIndex(0),
133 feNegConvGamGeantIndex(0),
134 fePosConvGamGeantIndex(0),
135 feNegConvGamGeantLength(0),
136 fePosConvGamGeantLength(0),
137 feNegConvGamSingleRecIndex(0),
138 fePosConvGamSingleRecIndex(0),
139 feNegConvGamV0RecIndex(0),
140 fePosConvGamV0RecIndex(0),
141 fConvGamV0RecIndexPos(0),
142 fConvGamV0RecIndexNeg(0),
143 fnDecayLGeant(-1),
144 flDecayLGeantIndex(0),
145 fpiNegDecayLGeantIndex(0),
146 fpPosDecayLGeantIndex(0),
147 fpiNegDecayLGeantLength(0),
148 fpPosDecayLGeantLength(0),
149 fpiNegDecayLSingleRecIndex(0),
150 fpPosDecayLSingleRecIndex(0),
151 fpiNegDecayLV0RecIndex(0),
152 fpPosDecayLV0RecIndex(0),
153 fDecayLV0RecIndexPos(0),
154 fDecayLV0RecIndexNeg(0),
155 fnDecayALGeant(-1),
156 falDecayALGeantIndex(0),
157 fpiPosDecayALGeantIndex(0),
158 fapNegDecayALGeantIndex(0),
159 fpiPosDecayALGeantLength(0),
160 fapNegDecayALGeantLength(0),
161 fpiPosDecayALSingleRecIndex(0),
162 fapNegDecayALSingleRecIndex(0),
163 fpiPosDecayALV0RecIndex(0),
164 fapNegDecayALV0RecIndex(0),
165 fDecayALV0RecIndexPos(0),
166 fDecayALV0RecIndexNeg(0),
167 fnDecayK0Geant(-1),
168 fK0DecayK0GeantIndex(0),
169 fpiNegDecayK0GeantIndex(0),
170 fpiPosDecayK0GeantIndex(0),
171 fpiNegDecayK0GeantLength(0),
172 fpiPosDecayK0GeantLength(0),
173 fpiNegDecayK0SingleRecIndex(0),
174 fpiPosDecayK0SingleRecIndex(0),
175 fpiNegDecayK0V0RecIndex(0),
176 fpiPosDecayK0V0RecIndex(0),
177 fDecayK0V0RecIndexPos(0),
178 fDecayK0V0RecIndexNeg(0),
179 fpiPosK0Index(-1),
180 fpiNegK0Index(-1),
181 fnTracksPrim(-1),
182 ftpcRefit(0),
183 fitsRefit(0),
184 ftrdRefit(0),
185 ftrdOut(0),
186 fDim(38),
187 fValueL(0),
188 fValueAL(0),
189 fValueK0(0),
190 fValueV0(0),
191 fxminV0(0),
192 fxmaxV0(0),
193 fbinsV0(0),
194 fCentralityC(-1),
195 fRefTPC(0),
196 fclRefsN(0),
197 fclRefsP(0)
198 
199  {
200 
201  fnEv=0;
202  fDim=38;
203 
204  fValueK0 = new Double_t[fDim];
205  fValueL = new Double_t[fDim];
206  fValueAL = new Double_t[fDim];
207  fValueV0 = new Double_t[fDim];
208  fxminV0 = new Double_t[fDim];
209  fxmaxV0 = new Double_t[fDim];
210  fbinsV0 = new Int_t[fDim];
211 
212  for(Int_t i=0;i<100000;i++) fLabelsTPC[i] = 0;
213 
214  fgDim=500;
220 
223 
226 
229 
230  // Lambda to proton pi-
236 
239 
242 
245 
246  //K0S to pi+ pi-
252 
255 
258 
261 
262  //Antilambda to antiproton piplus
268 
271 
274 
277 
278 
279 
280  fclRefsP = new TClonesArray("AliTrackReference");
281  fclRefsN = new TClonesArray("AliTrackReference");
282 
283  // SetESDtrackCuts();
284 
285 
286  AliLog::SetGlobalLogLevel(AliLog::kError);
287 //
288  DefineOutput(1, TList::Class());
289 }
290 
291 //_____________________________________________________
293 {
294  // Remove all pointers
295 
296 
297  delete [] fclRefsP;
298  delete [] fclRefsN;
299 
300 
301  delete [] fValueK0;
302  delete [] fValueL;
303  delete [] fValueAL;
304  delete [] fValueV0;
305  delete [] fbinsV0;
306  delete [] fxminV0;
307  delete [] fxmaxV0;
308 
309  delete [] fgConvGamGeantIndex;
310  delete [] feNegConvGamGeantIndex;
311  delete [] fePosConvGamGeantIndex;
312 
313  delete [] feNegConvGamSingleRecIndex;
314  delete [] fePosConvGamSingleRecIndex;
315 
316  delete [] feNegConvGamV0RecIndex;
317  delete [] fePosConvGamV0RecIndex;
318  delete [] fConvGamV0RecIndexPos;
319  delete [] fConvGamV0RecIndexNeg;
320 
321  delete [] flDecayLGeantIndex;
322  delete [] fpiNegDecayLGeantIndex;
323  delete [] fpPosDecayLGeantIndex;
324 
325  delete [] fpiNegDecayLGeantLength;
326  delete [] fpPosDecayLGeantLength;
327  delete [] fpiNegDecayLSingleRecIndex;
328  delete [] fpPosDecayLSingleRecIndex;
329 
330  delete [] fpiNegDecayLV0RecIndex;
331  delete [] fpPosDecayLV0RecIndex;
332  delete [] fDecayLV0RecIndexPos;
333  delete [] fDecayLV0RecIndexNeg;
334 
335  delete [] falDecayALGeantIndex;
336  delete [] fpiPosDecayALGeantIndex;
337  delete [] fapNegDecayALGeantIndex;
338 
339  delete [] fpiPosDecayALGeantLength;
340  delete [] fapNegDecayALGeantLength;
341  delete [] fpiPosDecayALSingleRecIndex;
342  delete [] fapNegDecayALSingleRecIndex;
343 
344  delete [] fpiPosDecayALV0RecIndex;
345  delete [] fapNegDecayALV0RecIndex;
346  delete [] fDecayALV0RecIndexPos;
347  delete [] fDecayALV0RecIndexNeg;
348 
349 
350  delete [] fpiNegDecayK0GeantIndex;
351  delete [] fpiPosDecayK0GeantIndex;
352 
353  delete [] fpiNegDecayK0GeantLength;
354  delete [] fpiPosDecayK0GeantLength;
355  delete [] fpiNegDecayK0SingleRecIndex;
356  delete [] fpiPosDecayK0SingleRecIndex;
357 
358  delete [] fpiNegDecayK0V0RecIndex;
359  delete [] fpiPosDecayK0V0RecIndex;
360 
361  delete [] fDecayK0V0RecIndexPos;
362  delete [] fDecayK0V0RecIndexNeg;
363 
364 }
365 
366 
367 //________________________________________________________________________
369  // Create Ouptut objects
370 
371  for(Int_t d=0;d<fDim;d++){
372  fbinsV0[d]=70;
373  }
374  fxminV0[0]= 0; // 1/sqrt(pt) Gamma geant
375  fxmaxV0[0]= 8;
376 
377 
378  fxminV0[1]=-2.5; // eta Gamma Geant
379  fxmaxV0[1]= 1.5;
380 
381 
382  fxminV0[2]=-2*TMath::Pi(); // phi Gamma geant
383  fxmaxV0[2]= TMath::Pi();
384 
385 
386  fxminV0[3]= 0; // r geant
387  fxmaxV0[3]= 200;
388 
389 
390  fxminV0[4]=-250; // z geant
391  fxmaxV0[4]= 250;
392 
393 
394  fxminV0[5]= 0; // 1/sqrt(pt) Geant Pos
395  fxmaxV0[5]= 8;
396 
397 
398  fxminV0[6]=-2.5; // eta geant Pos
399  fxmaxV0[6]= 1.5;
400 
401 
402  fxminV0[7]=-2*TMath::Pi(); // phi Geant Pos
403  fxmaxV0[7]= TMath::Pi();
404 
405 
406  fxminV0[8]=0; // Track Length TPC Geant Pos
407  fxmaxV0[8]= 200;
408 
409 
410  fxminV0[9]= 0; // 1/sqrt(pt) Geant Neg
411  fxmaxV0[9]= 8;
412 
413 
414  fxminV0[10]=-2.5; // eta Geant Neg
415  fxmaxV0[10]= 1.5;
416 
417 
418  fxminV0[11]=-2*TMath::Pi(); // phi Geant Neg
419  fxmaxV0[11]= TMath::Pi();
420 
421 
422  fxminV0[12]=0; // Track Length TPC Geant Neg
423  fxmaxV0[12]= 200;
424 
425 
426 
427  //-----------Rec single variables
428 
429  fxminV0[13]= -0.5; // (pt-ptGeant)/ptGeant rec Pos
430  fxmaxV0[13]= 0.5;
431 
432 
433  fxminV0[14]=-2.5; // eta rec Pos
434  fxmaxV0[14]= 1.5;
435 
436 
437  fxminV0[15]=-2*TMath::Pi(); // phi rec Pos
438  fxmaxV0[15]= TMath::Pi();
439 
440 
441  fxminV0[16]= 0; // Impact parameter rec Pos
442  fxmaxV0[16]= 100;
443 
444 
445  fxminV0[17]= 0; // nsigmas Impact parameter rec Pos
446  fxmaxV0[17]= 100;
447 
448 
449 
450  fxminV0[18]= -1; // Ncls ITS rec Pos
451  fxmaxV0[18]= 6;
452 
453 
454  fxminV0[19]= -1; // Ncls TPC rec Pos
455  fxmaxV0[19]= 180;
456 
457 
458  fxminV0[20]= -2; // Status Single TPC rec Pos
459  fxmaxV0[20]= 2;
460 
461 
462  fxminV0[21]= -0.5; // (pt-ptGeant)/ptGeant rec Neg
463  fxmaxV0[21]= 0.5;
464 
465 
466  fxminV0[22]=-2.5; // eta rec Neg
467  fxmaxV0[22]= 1.5;
468 
469 
470  fxminV0[23]=-2*TMath::Pi(); // phi rec Neg
471  fxmaxV0[23]= TMath::Pi();
472 
473 
474  fxminV0[24]= 0; // Impact parameter rec Neg
475  fxmaxV0[24]= 100;
476 
477 
478  fxminV0[25]= 0; // Sigmas Impact parameter rec Neg
479  fxmaxV0[25]= 100;
480 
481 
482 
483  fxminV0[26]= -1; // Ncls ITS rec Neg
484  fxmaxV0[26]= 6;
485 
486 
487  fxminV0[27]= -1; // Ncls TPC rec Neg
488  fxmaxV0[27]= 180;
489 
490 
491  fxminV0[28]= -2; // Status Single TPC rec Neg
492  fxmaxV0[28]= 2;
493 
494  // ------------------Rec V0 variables
495 
496 
497 
498  fxminV0[29]= -0.5; // (pt-ptGeant)/ptGeant rec V0 Pos
499  fxmaxV0[29]= 0.5;
500 
501 
502  fxminV0[30]=-2.5; // eta rec V0 Pos
503  fxmaxV0[30]= 1.5;
504 
505 
506  fxminV0[31]=-2*TMath::Pi(); // phi rec V0 Pos
507  fxmaxV0[31]= TMath::Pi();
508 
509 
510  fxminV0[32]= -2; // Status V0 TPC rec Pos
511  fxmaxV0[32]= 2;
512 
513 
514 
515 
516  fxminV0[33]= -0.5; // 1/sqrt(pt) rec V0 Neg
517  fxmaxV0[33]= 0.5;
518 
519 
520  fxminV0[34]=-2.5; // eta rec V0 Neg
521  fxmaxV0[34]= 1.5;
522 
523 
524  fxminV0[35]=-2*TMath::Pi(); // phi rec V0 Neg
525  fxmaxV0[35]= TMath::Pi();
526 
527 
528 
529  fxminV0[36]= -2; // Status V0 TPC rec Neg
530  fxmaxV0[36]= 2;
531 
532  fxminV0[37]= -1; // Centrality
533  fxmaxV0[37]= 10;
534 
535 
536 
537  TString axisName[38]={"ptGammaGeant",
538  "etaGammaGeant",
539  "phiGammaGeant",
540  "rGeant",
541  "zGeant",
542  "ptEPlusGeant",
543  "etaEPlusGeant",
544  "phiEPlusGeant",
545  "TPCTrackLengthEPlusGeant",
546  "ptEMinusGeant",
547  "etaEMinusGeant",
548  "phiEMinusGeant",
549  "TPCTrackLengthEMinusGeant",
550  "ptResEPlusRecSingle",
551  "etaEPlusRecSingle",
552  "phiEPlusRecSingle",
553  "bXYZEPlusRecSingle",
554  "sigbXYZEPlusRecSingle",
555  "NclsITSEPlusRecSingle",
556  "NclsTPCEPlusRecSingle",
557  "statusRecSinglePos",
558  "ptResEMinusRecSingle",
559  "etaEMinusRecSingle",
560  "phiEMinusRecSingle",
561  "bXYZEMinusRecSingle",
562  "sigbXYZEMinusRecSingle",
563  "NclsITSEMinusRecSingle",
564  "NclsTPCEMinusRecSingle",
565  "statusRecSingleNeg",
566  "ptResEPlusRecV0",
567  "etaEPlusRecV0",
568  "phiEPlusRecV0",
569  "statusV0SinglePos",
570  "ptResEMinusRecV0",
571  "etaEMinusRecV0",
572  "phiEMinusRecV0",
573  "statusV0SingleNeg",
574  "centrality"};
575 
576 
577  fSparseV0= new THnSparseF("sparseV0","sparseV0",fDim,fbinsV0,fxminV0,fxmaxV0);
578 
579  for (Int_t iaxis=0; iaxis<fDim; iaxis++){
580  fSparseV0->GetAxis(iaxis)->SetName(axisName[iaxis]);
581  fSparseV0->GetAxis(iaxis)->SetTitle(axisName[iaxis]);
582  }
583 
584  TString axisNameK0[38]={"ptK0Geant",
585  "etaK0Geant",
586  "phiK0Geant",
587  "rGeant",
588  "zGeant",
589  "ptPiPlusGeant",
590  "etaPiPlusGeant",
591  "phiPiPlusGeant",
592  "TPCTrackLengthPiPlusGeant",
593  "ptPiMinusGeant",
594  "etaPiMinusGeant",
595  "phiPiMinusGeant",
596  "TPCTrackLengthPiMinusGeant",
597  "ptResPiPlusRecSingle",
598  "etaPiPlusRecSingle",
599  "phiPiPlusRecSingle",
600  "bXYZPiPlusRecSingle",
601  "sigbXYZPiPlusRecSingle",
602  "NclsITSPiPlusRecSingle",
603  "NclsTPCPiPlusRecSingle",
604  "statusRecSinglePos",
605  "ptResPiMinusRecSingle",
606  "etaPiMinusRecSingle",
607  "phiPiMinusRecSingle",
608  "bXYZPiMinusRecSingle",
609  "sigbXYZPiMinusRecSingle",
610  "NclsITSPiMinusRecSingle",
611  "NclsTPCPiMinusRecSingle",
612  "statusRecSingleNeg",
613  "ptResPiPlusRecV0",
614  "etaPiPlusRecV0",
615  "phiPiPlusRecV0",
616  "statusRecV0Pos",
617  "ptResPiMinusRecV0",
618  "etaPiMinusRecV0",
619  "phiPiMinusRecV0",
620  "statusRecV0Neg",
621  "centrality"};
622 
623 
624 
625  fSparseK0= new THnSparseF("sparseK0","sparseK0",fDim,fbinsV0,fxminV0,fxmaxV0);
626  for (Int_t iaxis=0; iaxis<fDim; iaxis++){
627  fSparseK0->GetAxis(iaxis)->SetName(axisNameK0[iaxis]);
628  fSparseK0->GetAxis(iaxis)->SetTitle(axisNameK0[iaxis]);
629  }
630 
631  TString axisNameL[38]={"ptLGeant",
632  "etaLGeant",
633  "phiLGeant",
634  "rGeant",
635  "zGeant",
636  "ptPPlusGeant",
637  "etaPPlusGeant",
638  "phiPPlusGeant",
639  "TPCTrackLengthPPlusGeant",
640  "ptPiMinusGeant",
641  "etaPiMinusGeant",
642  "phiPiMinusGeant",
643  "TPCTrackLengthPiMinusGeant",
644  "ptResPPlusRecSingle",
645  "etaPPlusRecSingle",
646  "phiPPlusRecSingle",
647  "bXYZPPlusRecSingle",
648  "sigbXYZPPlusRecSingle",
649  "NclsITSPPlusRecSingle",
650  "NclsTPCPPlusRecSingle",
651  "statusRecSinglePos",
652  "ptResPiMinusRecSingle",
653  "etaPiMinusRecSingle",
654  "phiPiMinusRecSingle",
655  "bXYZPiMinusRecSingle",
656  "sigbXYZPiMinusRecSingle",
657  "NclsITSPiMinusRecSingle",
658  "NclsTPCPiMinusRecSingle",
659  "statusRecSingleNeg",
660  "ptResPPlusRecV0",
661  "etaPPlusRecV0",
662  "phiPPlusRecV0",
663  "statusRecV0Pos",
664  "ptResPiMinusRecV0",
665  "etaPiMinusRecV0",
666  "phiPiMinusRecV0",
667  "statusRecV0Neg",
668  "centrality"};
669 
670 
671  fSparseL= new THnSparseF("sparseL","sparseL",fDim,fbinsV0,fxminV0,fxmaxV0);
672  for (Int_t iaxis=0; iaxis<fDim; iaxis++){
673  fSparseL->GetAxis(iaxis)->SetName(axisNameL[iaxis]);
674  fSparseL->GetAxis(iaxis)->SetTitle(axisNameL[iaxis]);
675  }
676 
677  TString axisNameAL[38]={"ptALGeant",
678  "etaALGeant",
679  "phiALGeant",
680  "rGeant",
681  "zGeant",
682  "ptPiPluusGeant",
683  "etaPiPlusGeant",
684  "phiPiPlusGeant",
685  "TPCTrackLengthPiPlusGeant",
686  "ptAPMinusGeant",
687  "etaAPMinusGeant",
688  "phiAPMinusGeant",
689  "TPCTrackLengthAPMinusGeant",
690  "ptResPiPlusRecSingle",
691  "etaPiPlusRecSingle",
692  "phiPiPlusRecSingle",
693  "bXYZPiPlusRecSingle",
694  "sigbXYZPiPlusRecSingle",
695  "NclsITSPiPlusRecSingle",
696  "NclsTPCPiPlusRecSingle",
697  "statusRecSinglePos",
698  "ptResAPMinusRecSingle",
699  "etaAPMinusRecSingle",
700  "phiAPMinusRecSingle",
701  "bXYZAPMinusRecSingle",
702  "sigbXYZAPMinusRecSingle",
703  "NclsITSAPMinusRecSingle",
704  "NclsTPCAPMinusRecSingle",
705  "statusRecSingleNeg",
706  "ptResPiPlusRecV0",
707  "etaPiPlusRecV0",
708  "phiPiPlusRecV0",
709  "statusRecV0Pos",
710  "ptResAPMinusRecV0",
711  "etaAPMinusRecV0",
712  "phiAPMinusRecV0",
713  "statusRecV0Neg",
714  "centrality"};
715 
716 
717 
718  fSparseAL= new THnSparseF("sparseAL","sparseAL",fDim,fbinsV0,fxminV0,fxmaxV0);
719  for (Int_t iaxis=0; iaxis<fDim; iaxis++){
720  fSparseAL->GetAxis(iaxis)->SetName(axisNameAL[iaxis]);
721  fSparseAL->GetAxis(iaxis)->SetTitle(axisNameAL[iaxis]);
722  }
723 
724  // create output container
725 
726  fOutputContainer = new TList() ;
727  fOutputContainer->SetName(GetName()) ;
728 
729 
734 
735 }
736 
737 //________________________________________________________________________
739  // Execution of the Task
740 
741  fESD = dynamic_cast<AliESDEvent*>(InputEvent());
742 
743  if (!fESD) {
744  //cout<< "not a tree"<< endl;
745  return;
746  }
747 
748  fnEv++;
749 
750 
751  //Get MC data
752  fMCtruth = (AliMCEventHandler*)((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
753 
754  // Double_t vertex[3];
755  Double_t maxVertex=150.;
756  Double_t maxEta=0.9;
757  Double_t lineCutZRSlope=tan(2*atan(exp(-maxEta)));
758  Double_t lineCutZValue=7.;
759  Int_t elecGIndex=-1;
760  Int_t posiGIndex=-1;
761  Int_t pPosLIndex=-1;
762  Int_t piNegLIndex=-1;
763 
764  Int_t apNegALIndex=-1;
765  Int_t piPosALIndex=-1;
766 
767  fnConvGamGeant=-1;
768  fnDecayK0Geant=-1;
769  fnDecayLGeant=-1;
770  fnDecayALGeant=-1;
771 
772  for(Int_t i=0; i<fgDim;i++){
773  fgConvGamGeantIndex[i] = -1;
774  feNegConvGamGeantIndex[i] = -1;
775  fePosConvGamGeantIndex[i] = -1;
776 
779 
780  feNegConvGamV0RecIndex[i] = -1;
781  fePosConvGamV0RecIndex[i] = -1;
782  fConvGamV0RecIndexPos[i] = -1;
783  fConvGamV0RecIndexNeg[i] = -1;
784 
785 
786  fK0DecayK0GeantIndex[i] = -1;
787  fpiNegDecayK0GeantIndex[i] = -1;
788  fpiPosDecayK0GeantIndex[i] = -1;
789 
792 
793  fpiNegDecayK0V0RecIndex[i] = -1;
794  fpiPosDecayK0V0RecIndex[i] = -1;
795  fDecayK0V0RecIndexPos[i] = -1;
796  fDecayK0V0RecIndexNeg[i] = -1;
797 
798 
799  flDecayLGeantIndex[i] = -1;
800  fpiNegDecayLGeantIndex[i] = -1;
801  fpPosDecayLGeantIndex[i] = -1;
802 
805 
806  fpiNegDecayLV0RecIndex[i] = -1;
807  fpPosDecayLV0RecIndex[i] = -1;
808  fDecayLV0RecIndexPos[i] = -1;
809  fDecayLV0RecIndexNeg[i] = -1;
810 
811  // Antilambda
812  falDecayALGeantIndex[i] = -1;
813  fpiPosDecayALGeantIndex[i] = -1;
814  fapNegDecayALGeantIndex[i] = -1;
815 
818 
819  fpiPosDecayALV0RecIndex[i] = -1;
820  fapNegDecayALV0RecIndex[i] = -1;
821  fDecayALV0RecIndexPos[i] = -1;
822  fDecayALV0RecIndexNeg[i] = -1;
823 
824 
825  }
826 
827  Int_t doMC=1;
828 
829  AliKFVertex primVtx(*(fESD->GetPrimaryVertex()));
830  fnTracksPrim=primVtx.GetNContributors();
831 
832 
833  if(fMCtruth && fnTracksPrim>0){
834 
835  fStack = fMCtruth->MCEvent()->Stack();
836 
837 
838  if ( doMC){
839 
840  for (Int_t iTracks = 0; iTracks < fMCtruth->MCEvent()->GetNumberOfTracks(); iTracks++) {
841 
842 
843  TParticle* particle = fStack->Particle(iTracks);
844 
845 
846 
847  if (!particle) {
848  Printf("ERROR: Could not receive particle %d (mc loop)", iTracks);
849  continue;
850  }
851 
852  if(particle->Pt()<0.050) continue;
853  if(TMath::Abs(particle->Eta())> maxEta) continue;
854 
855 
856  if (particle->GetPdgCode()== 22){
857 
858 
859  if(particle->GetMother(0) >-1 && fStack->Particle(particle->GetMother(0))->GetPdgCode() == 22){
860  continue; // no photon as mothers!
861  }
862 
863  if(particle->GetMother(0) >= fStack->GetNprimary()){
864  continue; // the gamma has a mother, and it is not a primary particle
865  }
866 
867  TParticle* ePos = NULL;
868  TParticle* eNeg = NULL;
869  elecGIndex=-1;
870  posiGIndex=-1;
871 
872  if(particle->GetNDaughters() >= 2){
873  for(Int_t daughterIndex=particle->GetFirstDaughter();daughterIndex<=particle->GetLastDaughter();daughterIndex++){
874  TParticle *tmpDaughter = fStack->Particle(daughterIndex);
875  if(tmpDaughter->GetUniqueID() == 5){
876  if(tmpDaughter->GetPdgCode() == 11){
877  eNeg = tmpDaughter;
878  elecGIndex=daughterIndex;
879  }
880  else if(tmpDaughter->GetPdgCode() == -11){
881  ePos = tmpDaughter;
882  posiGIndex=daughterIndex;
883  }
884  }
885  }
886  }
887 
888 
889  if(ePos == NULL || eNeg == NULL){ // means we do not have two daughters from pair production
890  continue;
891  }
892 
893  if(TMath::Abs(ePos->Eta())> maxEta || TMath::Abs(eNeg->Eta())> maxEta){
894  continue;
895  }
896 
897  if(ePos->R()> maxVertex ){
898  continue; // cuts on distance from collision point
899  }
900 
901 
902  if( (TMath::Abs(ePos->Vz()) * lineCutZRSlope - lineCutZValue) > ePos->R() ){
903  continue; // line cut to exclude regions where we do not reconstruct
904  }
905 
906 
907  // Looking at the existance of TPC references
908 
909  TParticle* ePosTPC;
910  fMCtruth->MCEvent()->GetParticleAndTR(posiGIndex,ePosTPC,fclRefsP);
911 
912  AliMCParticle *mcParticlePos = (AliMCParticle*) (fMCtruth->MCEvent()->GetTrack(posiGIndex));
913  if(!mcParticlePos) continue;
914 
915  Int_t counter;
916  Float_t tpcTrackLengthePos = mcParticlePos->GetTPCTrackLength(fESD->GetMagneticField(),0.05,counter,3.0);
917 
918 
919 
920  int nPointsP = fclRefsP->GetEntries();
921 
922  if (fRefTPC) delete fRefTPC;fRefTPC=NULL;
923  fRefTPC = new TObjArray();
924 
925  for(int iPoint=0; iPoint<nPointsP; iPoint++) {
926  AliTrackReference *ref = (AliTrackReference*)fclRefsP->At(iPoint);
927  if (ref->DetectorId() == AliTrackReference::kTPC) fRefTPC->Add(new AliTrackReference(*ref));
928  }
929 
930  fRefTPC->Sort();
931 
932  for(int i=0; i<fRefTPC->GetEntries(); i++) {
933  AliTrackReference *ref = (AliTrackReference*)(*fRefTPC)[i];
934  fLabelsTPC[i] = ref->GetTrack();
935  }
936  int labelPosRefs=0;
937  for(int iPoint=GetTPCReference(iTracks);iPoint<fRefTPC->GetEntries();iPoint++){
938  AliTrackReference* aRef = (AliTrackReference*)(*fRefTPC)[iPoint];
939  if (aRef->GetTrack() != posiGIndex ) break;
940  ++labelPosRefs;
941  }
942 
943 
944 
945 
946  TParticle* eNegTPC;
947  fMCtruth->MCEvent()->GetParticleAndTR(elecGIndex,eNegTPC,fclRefsN);
948 
949  AliMCParticle *mcParticleNeg = (AliMCParticle*) (fMCtruth->MCEvent()->GetTrack(elecGIndex));
950  if(!mcParticleNeg) continue;
951 
952  Int_t counterN;
953  Float_t tpcTrackLengtheNeg = mcParticleNeg->GetTPCTrackLength(fESD->GetMagneticField(),0.05,counterN,3.0);
954  int nPointsN = fclRefsN->GetEntries();
955 
956  if (fRefTPC) delete fRefTPC; fRefTPC=NULL;
957  fRefTPC = new TObjArray();
958 
959  for(int iPoint=0; iPoint<nPointsN; iPoint++) {
960  AliTrackReference *ref = (AliTrackReference*)fclRefsN->At(iPoint);
961  if (ref->DetectorId() == AliTrackReference::kTPC) fRefTPC->Add(new AliTrackReference(*ref));
962  }
963 
964  fRefTPC->Sort();
965 
966  for(int i=0; i<fRefTPC->GetEntries(); i++) {
967  AliTrackReference *ref = (AliTrackReference*)(*fRefTPC)[i];
968  fLabelsTPC[i] = ref->GetTrack();
969  }
970  int labelNegRefs=0;
971  for(int iPoint=GetTPCReference(iTracks);iPoint<fRefTPC->GetEntries();iPoint++){
972  AliTrackReference* aRef = (AliTrackReference*)(*fRefTPC)[iPoint];
973  if (aRef->GetTrack() != elecGIndex ) break;
974  ++labelNegRefs;
975  }
976 
977 
978 
979  if ( labelNegRefs==0 || labelPosRefs==0) continue; // if e+/e- do not have a TPC ref continue;
981 
982 
983  fnConvGamGeant++;
987 
988  feNegConvGamGeantLength[fnConvGamGeant] = tpcTrackLengtheNeg;
989  fePosConvGamGeantLength[fnConvGamGeant] = tpcTrackLengthePos;
990 
991  }
992 
993 
994  TParticle* piPos = NULL;
995  TParticle* piNeg = NULL;
996  fpiPosK0Index=-1;
997  fpiNegK0Index=-1;
998 
999  if (particle->GetPdgCode()== 310){ // k0short
1000  if(particle->GetNDaughters() == 2){
1001  for(Int_t daughterIndex=particle->GetFirstDaughter();daughterIndex<=particle->GetLastDaughter();daughterIndex++){
1002  TParticle *tmpDaughter = fStack->Particle(daughterIndex);
1003  if(tmpDaughter->GetPdgCode() == 211){
1004  piPos= tmpDaughter;
1005  fpiPosK0Index=daughterIndex;
1006  }
1007  else if(tmpDaughter->GetPdgCode() == -211){
1008  piNeg = tmpDaughter;
1009  fpiNegK0Index=daughterIndex;
1010  }
1011  }
1012  }
1013 
1014  if(piPos == NULL || piNeg == NULL){ // means we do not have two daughters from K0short decay
1015  continue;
1016  }
1017 
1018  if(TMath::Abs(piPos->Eta())> maxEta || TMath::Abs(piNeg->Eta())> maxEta){
1019  continue;
1020  }
1021 
1022  if(piPos->R()> maxVertex ){
1023  continue; // cuts on distance from collision point
1024  }
1025 
1026 
1027  if( (TMath::Abs(piPos->Vz()) * lineCutZRSlope - lineCutZValue) > piPos->R() ){
1028  continue; // line cut to exclude regions where we do not reconstruct
1029  }
1030 
1031  // Looking at the existance of TPC references
1032 
1033  TParticle* ePosTPC;
1034  fMCtruth->MCEvent()->GetParticleAndTR(fpiPosK0Index,ePosTPC,fclRefsP);
1035 
1036  AliMCParticle *mcParticlePos = (AliMCParticle*) (fMCtruth->MCEvent()->GetTrack(fpiPosK0Index));
1037  if(!mcParticlePos) continue;
1038 
1039  Int_t counter;
1040  Float_t tpcTrackLengthePos = mcParticlePos->GetTPCTrackLength(fESD->GetMagneticField(),0.05,counter,3.0);
1041 
1042 
1043  int nPointsP = fclRefsP->GetEntries();
1044  if (fRefTPC) delete fRefTPC; fRefTPC=NULL;
1045  fRefTPC = new TObjArray();
1046 
1047  for(int iPoint=0; iPoint<nPointsP; iPoint++) {
1048  AliTrackReference *ref = (AliTrackReference*)fclRefsP->At(iPoint);
1049  if (ref->DetectorId() == AliTrackReference::kTPC) fRefTPC->Add(new AliTrackReference(*ref));
1050  }
1051 
1052  fRefTPC->Sort();
1053 
1054  for(int i=0; i<fRefTPC->GetEntries(); i++) {
1055  AliTrackReference *ref = (AliTrackReference*)(*fRefTPC)[i];
1056  fLabelsTPC[i] = ref->GetTrack();
1057  }
1058  int labelPosRefs=0;
1059  for(int iPoint=GetTPCReference(iTracks);iPoint<fRefTPC->GetEntries();iPoint++){
1060  AliTrackReference* aRef = (AliTrackReference*)(*fRefTPC)[iPoint];
1061  if (aRef->GetTrack() != fpiPosK0Index ) break;
1062  ++labelPosRefs;
1063  }
1064 
1065 
1066 
1067 
1068  TParticle* eNegTPC;
1069  fMCtruth->MCEvent()->GetParticleAndTR(fpiNegK0Index,eNegTPC,fclRefsN);
1070 
1071  AliMCParticle *mcParticleNeg = (AliMCParticle*) (fMCtruth->MCEvent()->GetTrack(fpiNegK0Index));
1072  if(!mcParticleNeg) continue;
1073 
1074  Int_t counterN;
1075  Float_t tpcTrackLengtheNeg = mcParticleNeg->GetTPCTrackLength(fESD->GetMagneticField(),0.05,counterN,3.0);
1076 
1077  int nPointsN = fclRefsN->GetEntries();
1078  if (fRefTPC) delete fRefTPC; fRefTPC=NULL;
1079  fRefTPC = new TObjArray();
1080 
1081  for(int iPoint=0; iPoint<nPointsN; iPoint++) {
1082  AliTrackReference *ref = (AliTrackReference*)fclRefsN->At(iPoint);
1083  if (ref->DetectorId() == AliTrackReference::kTPC) fRefTPC->Add(new AliTrackReference(*ref));
1084  }
1085 
1086  fRefTPC->Sort();
1087 
1088  for(int i=0; i<fRefTPC->GetEntries(); i++) {
1089  AliTrackReference *ref = (AliTrackReference*)(*fRefTPC)[i];
1090  fLabelsTPC[i] = ref->GetTrack();
1091  }
1092  int labelNegRefs=0;
1093  for(int iPoint=GetTPCReference(iTracks);iPoint<fRefTPC->GetEntries();iPoint++){
1094  AliTrackReference* aRef = (AliTrackReference*)(*fRefTPC)[iPoint];
1095  if (aRef->GetTrack() != fpiNegK0Index ) break;
1096  ++labelNegRefs;
1097  }
1098 
1099  if ( labelNegRefs==0 || labelPosRefs==0) continue; // if pi+/pi- do not have a TPC ref continue;
1101 
1102  fnDecayK0Geant++;
1103 
1107  fpiNegDecayK0GeantLength[fnDecayK0Geant]=tpcTrackLengtheNeg;
1108  fpiPosDecayK0GeantLength[fnDecayK0Geant]=tpcTrackLengthePos;
1109 
1110  }
1111 
1112 
1113  TParticle* pPos = NULL;
1114  TParticle* piNegL = NULL;
1115  pPosLIndex=-1;
1116  piNegLIndex=-1;
1117 
1118 
1119  if (particle->GetPdgCode()== 3122){ //lambda
1120 
1121  if(particle->GetNDaughters() == 2){
1122  for(Int_t daughterIndex=particle->GetFirstDaughter();daughterIndex<=particle->GetLastDaughter();daughterIndex++){
1123  TParticle *tmpDaughter = fStack->Particle(daughterIndex);
1124  if(tmpDaughter->GetPdgCode() == 2212){
1125  pPos= tmpDaughter;
1126  pPosLIndex=daughterIndex;
1127  }
1128  else if(tmpDaughter->GetPdgCode() == -211){
1129  piNegL = tmpDaughter;
1130  piNegLIndex=daughterIndex;
1131  }
1132  }
1133  }
1134 
1135  if(pPos == NULL || piNegL == NULL){ // means we do not have two daughters from lambda decay
1136  continue;
1137  }
1138 
1139  if(TMath::Abs(pPos->Eta())> maxEta || TMath::Abs(piNegL->Eta())> maxEta){
1140  continue;
1141  }
1142 
1143  if(pPos->R()> maxVertex ){
1144  continue; // cuts on distance from collision point
1145  }
1146 
1147 
1148  if( (TMath::Abs(pPos->Vz()) * lineCutZRSlope - lineCutZValue) > pPos->R() ){
1149  continue; // line cut to exclude regions where we do not reconstruct
1150  }
1151 
1152 
1153  // Looking at the existance of TPC references
1154 
1155  TParticle* ePosTPC;
1156  fMCtruth->MCEvent()->GetParticleAndTR(pPosLIndex,ePosTPC,fclRefsP);
1157 
1158  AliMCParticle *mcParticlePos = (AliMCParticle*) (fMCtruth->MCEvent()->GetTrack(pPosLIndex));
1159  if(!mcParticlePos) continue;
1160 
1161  Int_t counter;
1162  Float_t tpcTrackLengthePos = mcParticlePos->GetTPCTrackLength(fESD->GetMagneticField(),0.05,counter,3.0);
1163 
1164 
1165  int nPointsP = fclRefsP->GetEntries();
1166  if (fRefTPC) delete fRefTPC; fRefTPC=NULL;
1167  fRefTPC = new TObjArray();
1168 
1169  for(int iPoint=0; iPoint<nPointsP; iPoint++) {
1170  AliTrackReference *ref = (AliTrackReference*)fclRefsP->At(iPoint);
1171  if (ref->DetectorId() == AliTrackReference::kTPC) fRefTPC->Add(new AliTrackReference(*ref));
1172  }
1173 
1174  fRefTPC->Sort();
1175 
1176  for(int i=0; i<fRefTPC->GetEntries(); i++) {
1177  AliTrackReference *ref = (AliTrackReference*)(*fRefTPC)[i];
1178  fLabelsTPC[i] = ref->GetTrack();
1179  }
1180  int labelPosRefs=0;
1181  for(int iPoint=GetTPCReference(iTracks);iPoint<fRefTPC->GetEntries();iPoint++){
1182  AliTrackReference* aRef = (AliTrackReference*)(*fRefTPC)[iPoint];
1183  if (aRef->GetTrack() != pPosLIndex ) break;
1184  ++labelPosRefs;
1185  }
1186 
1187 
1188 
1189 
1190  TParticle* eNegTPC;
1191  fMCtruth->MCEvent()->GetParticleAndTR(piNegLIndex,eNegTPC,fclRefsN);
1192 
1193  AliMCParticle *mcParticleNeg = (AliMCParticle*) (fMCtruth->MCEvent()->GetTrack(piNegLIndex));
1194  if(!mcParticleNeg) continue;
1195 
1196  Int_t counterN;
1197  Float_t tpcTrackLengtheNeg = mcParticleNeg->GetTPCTrackLength(fESD->GetMagneticField(),0.05,counterN,3.0);
1198 
1199  int nPointsN = fclRefsN->GetEntries();
1200  if (fRefTPC) delete fRefTPC;
1201  fRefTPC = new TObjArray();
1202 
1203  for(int iPoint=0; iPoint<nPointsN; iPoint++) {
1204  AliTrackReference *ref = (AliTrackReference*)fclRefsN->At(iPoint);
1205  if (ref->DetectorId() == AliTrackReference::kTPC) fRefTPC->Add(new AliTrackReference(*ref));
1206  }
1207 
1208  fRefTPC->Sort();
1209 
1210  for(int i=0; i<fRefTPC->GetEntries(); i++) {
1211  AliTrackReference *ref = (AliTrackReference*)(*fRefTPC)[i];
1212  fLabelsTPC[i] = ref->GetTrack();
1213  }
1214  int labelNegRefs=0;
1215  for(int iPoint=GetTPCReference(iTracks);iPoint<fRefTPC->GetEntries();iPoint++){
1216  AliTrackReference* aRef = (AliTrackReference*)(*fRefTPC)[iPoint];
1217  if (aRef->GetTrack() != piNegLIndex ) break;
1218  ++labelNegRefs;
1219  }
1220 
1221  if ( labelNegRefs==0 || labelPosRefs==0) continue; // if proton/pi- do not have a TPC ref continue;
1223 
1224  fnDecayLGeant++;
1225 
1227 
1230 
1231  fpiNegDecayLGeantLength[fnDecayLGeant]=tpcTrackLengtheNeg;
1232  fpPosDecayLGeantLength[fnDecayLGeant]=tpcTrackLengthePos;
1233 
1234 
1235  }
1236 
1238 
1239  // AntiLambda
1240  TParticle* apNeg = NULL;
1241  TParticle* piPosAL = NULL;
1242  apNegALIndex=-1;
1243  piPosALIndex=-1;
1244 
1245 
1246  if (particle->GetPdgCode()== -3122){ //antilambda
1247 
1248  if(particle->GetNDaughters() == 2){
1249  for(Int_t daughterIndex=particle->GetFirstDaughter();daughterIndex<=particle->GetLastDaughter();daughterIndex++){
1250  TParticle *tmpDaughter = fStack->Particle(daughterIndex);
1251  if(tmpDaughter->GetPdgCode() == -2212){
1252  apNeg= tmpDaughter;
1253  apNegALIndex=daughterIndex;
1254  }
1255  else if(tmpDaughter->GetPdgCode() == 211){
1256  piPosAL = tmpDaughter;
1257  piPosALIndex=daughterIndex;
1258  }
1259  }
1260  }
1261 
1262  if(apNeg == NULL || piPosAL == NULL){ // means we do not have two daughters from antilambda decay
1263  continue;
1264  }
1265 
1266  if(TMath::Abs(apNeg->Eta())> maxEta || TMath::Abs(piPosAL->Eta())> maxEta){
1267  continue;
1268  }
1269 
1270  if(apNeg->R()> maxVertex ){
1271  continue; // cuts on distance from collision point
1272  }
1273 
1274 
1275  if( (TMath::Abs(apNeg->Vz()) * lineCutZRSlope - lineCutZValue) > apNeg->R() ){
1276  continue; // line cut to exclude regions where we do not reconstruct
1277  }
1278 
1279 
1280  // Looking at the existance of TPC references
1281 
1282  TParticle* ePosTPC;
1283  fMCtruth->MCEvent()->GetParticleAndTR(piPosALIndex,ePosTPC,fclRefsP);
1284 
1285  AliMCParticle *mcParticlePos = (AliMCParticle*) (fMCtruth->MCEvent()->GetTrack(piPosALIndex));
1286  if(!mcParticlePos) continue;
1287 
1288  Int_t counter;
1289  Float_t tpcTrackLengthePos = mcParticlePos->GetTPCTrackLength(fESD->GetMagneticField(),0.05,counter,3.0);
1290 
1291  int nPointsP = fclRefsP->GetEntries();
1292  if (fRefTPC) delete fRefTPC;
1293  fRefTPC = new TObjArray();
1294 
1295  for(int iPoint=0; iPoint<nPointsP; iPoint++) {
1296  AliTrackReference *ref = (AliTrackReference*)fclRefsP->At(iPoint);
1297  if (ref->DetectorId() == AliTrackReference::kTPC) fRefTPC->Add(new AliTrackReference(*ref));
1298  }
1299 
1300  fRefTPC->Sort();
1301 
1302  for(int i=0; i<fRefTPC->GetEntries(); i++) {
1303  AliTrackReference *ref = (AliTrackReference*)(*fRefTPC)[i];
1304  fLabelsTPC[i] = ref->GetTrack();
1305  }
1306  int labelPosRefs=0;
1307  for(int iPoint=GetTPCReference(iTracks);iPoint<fRefTPC->GetEntries();iPoint++){
1308  AliTrackReference* aRef = (AliTrackReference*)(*fRefTPC)[iPoint];
1309  if (aRef->GetTrack() != piPosALIndex ) break;
1310  ++labelPosRefs;
1311  }
1312 
1313 
1314  TParticle* eNegTPC;
1315  fMCtruth->MCEvent()->GetParticleAndTR(apNegALIndex,eNegTPC,fclRefsN);
1316 
1317  AliMCParticle *mcParticleNeg = (AliMCParticle*) (fMCtruth->MCEvent()->GetTrack(apNegALIndex));
1318  if(!mcParticleNeg) continue;
1319 
1320  Int_t counterN;
1321  Float_t tpcTrackLengtheNeg = mcParticleNeg->GetTPCTrackLength(fESD->GetMagneticField(),0.05,counterN,3.0);
1322 
1323  int nPointsN = fclRefsN->GetEntries();
1324  if (fRefTPC) delete fRefTPC;
1325  fRefTPC = new TObjArray();
1326 
1327  for(int iPoint=0; iPoint<nPointsN; iPoint++) {
1328  AliTrackReference *ref = (AliTrackReference*)fclRefsN->At(iPoint);
1329  if (ref->DetectorId() == AliTrackReference::kTPC) fRefTPC->Add(new AliTrackReference(*ref));
1330  }
1331 
1332  fRefTPC->Sort();
1333 
1334  for(int i=0; i<fRefTPC->GetEntries(); i++) {
1335  AliTrackReference *ref = (AliTrackReference*)(*fRefTPC)[i];
1336  fLabelsTPC[i] = ref->GetTrack();
1337  }
1338  int labelNegRefs=0;
1339  for(int iPoint=GetTPCReference(iTracks);iPoint<fRefTPC->GetEntries();iPoint++){
1340  AliTrackReference* aRef = (AliTrackReference*)(*fRefTPC)[iPoint];
1341  if (aRef->GetTrack() != apNegALIndex ) break;
1342  ++labelNegRefs;
1343  }
1344 
1345 
1346 
1347  if ( labelNegRefs==0 || labelPosRefs==0) continue; // if proton/pi- do not have a TPC ref continue;
1349 
1350  fnDecayALGeant++;
1352 
1355 
1356  fpiPosDecayALGeantLength[fnDecayALGeant]=tpcTrackLengthePos;
1357  fapNegDecayALGeantLength[fnDecayALGeant]=tpcTrackLengtheNeg;
1358 
1359 
1360  } // AntiLambda
1361 
1362  } //track loop
1363  }
1364 
1365  }
1366 
1367 
1368  AliKFParticle::SetField(fESD->GetMagneticField());
1369 
1370  const AliESDVertex *pvertex = fESD->GetPrimaryVertex();
1371  Double_t xyzVtx[3];
1372  pvertex->GetXYZ(xyzVtx);
1373 
1374  AliCentrality *esdCentrality = fESD->GetCentrality();
1375 // Int_t centralityC = -1;
1376  fCentralityC =-1;
1377  fCentralityC = esdCentrality->GetCentralityClass10("V0M");
1378 
1379  if(fnTracksPrim>0) {
1380 
1382  InspectListOfV0s();
1383 
1384 
1385  if(fnConvGamGeant>-1){
1387  }
1388 
1389  if(fnDecayK0Geant>-1){
1390  FillHnSparseK0();
1391  }
1392 
1393  if(fnDecayLGeant>-1){
1394  FillHnSparseL();
1395  }
1396 
1397  if(fnDecayALGeant>-1){
1398  FillHnSparseAL();
1399  }
1400 
1401  }
1402 
1403 
1404  PostData(1, fOutputContainer );
1405 
1406 
1407 }
1408 
1410  // Draw some histogram at the end.
1411 
1412 }
1413 
1414 
1416  // Get TPC References
1417 
1418  int start = TMath::BinarySearch(fRefTPC->GetEntries(), fLabelsTPC, label);
1419 
1420  while (start >= 0) {
1421  AliTrackReference *ref = (AliTrackReference*)(*fRefTPC)[start];
1422  if (ref->GetTrack() != label) return start+1;
1423  start--;
1424  }
1425 
1426  return 0;
1427 }
1428 
1429 
1430 
1431 
1432 
1434  // Look at the list of particles for the single track reconstruction
1435 
1436  for(Int_t iTracks = 0; iTracks < fESD->GetNumberOfTracks(); iTracks++){
1437 
1438  AliESDtrack* curTrack = fESD->GetTrack(iTracks);
1439 
1440  if(!curTrack){
1441  continue;
1442  }
1443 
1444 
1445 // if( !(curTrack->GetStatus() & AliESDtrack::kTPCrefit)){
1446 // continue;
1447 // }
1448 
1449 
1450  Int_t labelMC = TMath::Abs(curTrack->GetLabel());
1451 
1452  if ( labelMC > fStack->GetNtrack() ) continue;
1453 
1454 
1455  TParticle* curParticle = fStack->Particle(labelMC);
1456  if(curParticle->GetMother(0)==-1){
1457  continue;
1458  }
1459 
1460 
1461  if(TMath::Abs(curParticle->GetPdgCode()) == 11){ // e+/e-
1462 
1463  if( fStack->Particle(curParticle->GetMother(0))->GetPdgCode()==22 ){ // e+/e- from gamma
1464  if( curParticle->GetUniqueID()!=5 ){ // e+/e- from gamma conversion
1465  continue;
1466  }
1467 
1468  for(Int_t iGamConv=0;iGamConv<fnConvGamGeant+1;iGamConv++ ){
1469  if(curTrack->GetSign()>0){
1470  if (labelMC== fePosConvGamGeantIndex[iGamConv]){
1471  fePosConvGamSingleRecIndex[iGamConv]=iTracks;
1472  }
1473  }else{
1474  if (labelMC== feNegConvGamGeantIndex[iGamConv]){
1475  feNegConvGamSingleRecIndex[iGamConv]=iTracks;
1476  }
1477  }
1478  } // loop over geant converted gammas
1479 
1480  }
1481  } // condition to select reconstructed electrons
1482 
1483 
1484 
1485  if(TMath::Abs(curParticle->GetPdgCode()) == 211 || TMath::Abs(curParticle->GetPdgCode())==2212 ){ // pi+/pi-
1486 
1487  if( fStack->Particle(curParticle->GetMother(0))->GetPdgCode()==310 ||
1488  fStack->Particle(curParticle->GetMother(0))->GetPdgCode()==3122 ||
1489  fStack->Particle(curParticle->GetMother(0))->GetPdgCode()==-3122 ){ // pi+/proton/pi- from K0/Lambda
1490 
1491  for(Int_t iK0Dec=0;iK0Dec<fnDecayK0Geant+1;iK0Dec++ ){
1492  if(curTrack->GetSign()>0){
1493  if (labelMC== fpiPosDecayK0GeantIndex[iK0Dec]){
1494  fpiPosDecayK0SingleRecIndex[iK0Dec]=iTracks;
1495  }
1496  }else{
1497  if (labelMC== fpiNegDecayK0GeantIndex[iK0Dec]){
1498  fpiNegDecayK0SingleRecIndex[iK0Dec]=iTracks;
1499  }
1500  }
1501  } // loop over geant decay K0
1502 
1503  for(Int_t iLDec=0;iLDec<fnDecayLGeant+1;iLDec++ ){
1504  if(curTrack->GetSign()>0){
1505  if (labelMC== fpPosDecayLGeantIndex[iLDec]){
1506  fpPosDecayLSingleRecIndex[iLDec]=iTracks;
1507  }
1508  }else{
1509  if (labelMC== fpiNegDecayLGeantIndex[iLDec]){
1510  fpiNegDecayLSingleRecIndex[iLDec]=iTracks;
1511  }
1512  }
1513  } // loop over geant decay Lambda
1514 
1515  for(Int_t iALDec=0;iALDec<fnDecayALGeant+1;iALDec++ ){
1516  if(curTrack->GetSign()<0){
1517  if (labelMC== fapNegDecayALGeantIndex[iALDec]){
1518  fapNegDecayALSingleRecIndex[iALDec]=iTracks;
1519  }
1520  }else{
1521  if (labelMC== fpiPosDecayALGeantIndex[iALDec]){
1522  fpiPosDecayALSingleRecIndex[iALDec]=iTracks;
1523  }
1524  }
1525  } // loop over geant decay antiLambda
1526  }
1527  } // condition to select reconstructed electrons
1528  } // all reconstructed track
1529 
1530 
1531 }
1532 
1534  // Look at the list of particles for the V0 reconstruction
1535 
1536  AliESDtrack* trackPos= NULL;
1537  AliESDtrack* trackNeg= NULL;
1538  Int_t grandMotherPos=-1;
1539  Int_t grandMotherNeg=-1;
1540  Int_t motherPos=-1;
1541  Int_t motherNeg=-1;
1542  Int_t pIndex=-1;
1543  Int_t nIndex=-1;
1544 
1545  for(Int_t iV0MI = 0; iV0MI < fESD->GetNumberOfV0s(); iV0MI++) {
1546 
1547  AliESDv0 * fV0MIs = fESD->GetV0(iV0MI);
1548 
1549 
1550  if ( !fV0MIs->GetOnFlyStatus() ){ //Onfly V0 finder
1551 // if ( fV0MIs->GetOnFlyStatus() ){ //Offline V0 finder
1552  continue;
1553  }
1554  if(fnTracksPrim<=0) {
1555  continue;
1556  }
1557 
1558 
1559  AliESDtrack* trackPosTest = fESD->GetTrack(fV0MIs->GetPindex());
1560  AliESDtrack* trackNegTest = fESD->GetTrack(fV0MIs->GetNindex());
1561 
1562 
1563  if ( trackPosTest->GetSign() == trackNegTest->GetSign()){
1564  continue;
1565  }
1566 
1567  //To avoid ghosts
1568 
1569 // if( !(trackPosTest->GetStatus() & AliESDtrack::kTPCrefit)){
1570 // continue;
1571 // }
1572 
1573 // if( !(trackNegTest->GetStatus() & AliESDtrack::kTPCrefit)){
1574 // continue;
1575 // }
1576 
1577  if( trackPosTest->GetSign() ==1){
1578  trackPos =fESD->GetTrack(fV0MIs->GetPindex());
1579  trackNeg =fESD->GetTrack(fV0MIs->GetNindex());
1580  pIndex=fV0MIs->GetPindex();
1581  nIndex=fV0MIs->GetNindex();
1582  }
1583 
1584  if( trackPosTest->GetSign() ==-1){
1585  trackPos =fESD->GetTrack(fV0MIs->GetNindex());
1586  trackNeg =fESD->GetTrack(fV0MIs->GetPindex());
1587  pIndex=fV0MIs->GetNindex();
1588  nIndex=fV0MIs->GetPindex();
1589 
1590  }
1591 
1592  if(!trackPos) return;
1593  if(!trackNeg) return;
1594 
1595  Int_t labelNeg=TMath::Abs(trackNeg->GetLabel());
1596  if(labelNeg > fStack->GetNtrack() ) continue;
1597  TParticle * particleNeg= fStack->Particle(labelNeg);
1598 
1599  Int_t labelPos=TMath::Abs(trackPos->GetLabel());
1600  if(labelPos > fStack->GetNtrack() ) continue;
1601  TParticle * particlePos= fStack->Particle(labelPos);
1602 
1603 
1604  if(particlePos->GetMother(0)>-1){
1605  grandMotherPos=fStack->Particle(particlePos->GetMother(0))->GetMother(0);
1606  motherPos=particlePos->GetMother(0);
1607  }
1608 
1609  if(particleNeg->GetMother(0)>-1){
1610  grandMotherNeg=fStack->Particle(particleNeg->GetMother(0))->GetMother(0);
1611  motherNeg=particleNeg->GetMother(0);
1612  }
1613 
1614  if(motherPos == motherNeg && motherPos!=-1 ){
1615  if( particlePos->GetPdgCode() ==-11 && particleNeg->GetPdgCode()==11 ){
1616  for(Int_t iGamConv=0;iGamConv<fnConvGamGeant+1;iGamConv++ ){
1617  if (labelPos== fePosConvGamGeantIndex[iGamConv]){
1618  fePosConvGamV0RecIndex[iGamConv]=pIndex;
1619  fConvGamV0RecIndexPos[iGamConv]=iV0MI;
1620  }
1621  if (labelNeg== feNegConvGamGeantIndex[iGamConv]){
1622  feNegConvGamV0RecIndex[iGamConv]=nIndex;
1623  fConvGamV0RecIndexNeg[iGamConv]=iV0MI;
1624  }
1625 
1626  } // loop over geant converted gammas
1627  }
1628 
1629  if( particlePos->GetPdgCode()==211 && particleNeg->GetPdgCode()==-211 ){
1630  for(Int_t iK0Dec=0;iK0Dec<fnDecayK0Geant+1;iK0Dec++ ){
1631  if (labelPos== fpiPosDecayK0GeantIndex[iK0Dec]){
1632  fpiPosDecayK0V0RecIndex[iK0Dec]=pIndex;
1633  fDecayK0V0RecIndexPos[iK0Dec]=iV0MI;
1634  }
1635  if (labelNeg== fpiNegDecayK0GeantIndex[iK0Dec]){
1636  fpiNegDecayK0V0RecIndex[iK0Dec]=nIndex;
1637  fDecayK0V0RecIndexNeg[iK0Dec]=iV0MI;
1638  }
1639 
1640  } // loop over geant K0
1641  }
1642 
1643  if( particlePos->GetPdgCode()==2212 && particleNeg->GetPdgCode()==-211 ){
1644  for(Int_t iLDec=0;iLDec<fnDecayLGeant+1;iLDec++ ){
1645  if (labelPos== fpPosDecayLGeantIndex[iLDec]){
1646  fpPosDecayLV0RecIndex[iLDec]=pIndex;
1647  fDecayLV0RecIndexPos[iLDec]=iV0MI;
1648  }
1649  if (labelNeg== fpiNegDecayLGeantIndex[iLDec]){
1650  fpiNegDecayLV0RecIndex[iLDec]=nIndex;
1651  fDecayLV0RecIndexNeg[iLDec]=iV0MI;
1652  }
1653 
1654  } // loop over geant Lambda
1655  }
1656 
1657  if( particleNeg->GetPdgCode()==-2212 && particlePos->GetPdgCode()==211 ){
1658  for(Int_t iALDec=0;iALDec<fnDecayALGeant+1;iALDec++ ){
1659  if (labelNeg== fapNegDecayALGeantIndex[iALDec]){
1660  fapNegDecayALV0RecIndex[iALDec]=nIndex;
1661  fDecayALV0RecIndexNeg[iALDec]=iV0MI;
1662  }
1663  if (labelPos== fpiPosDecayALGeantIndex[iALDec]){
1664  fpiPosDecayALV0RecIndex[iALDec]=pIndex;
1665  fDecayALV0RecIndexPos[iALDec]=iV0MI;
1666  }
1667 
1668  } // loop over geant antiLambda
1669  }
1670 
1671 
1672  }
1673 
1674  }
1675  for(Int_t iGamConv=0;iGamConv<fnConvGamGeant+1;iGamConv++ ){
1676  if ( fConvGamV0RecIndexNeg[iGamConv]!= fConvGamV0RecIndexPos[iGamConv]){
1677  fePosConvGamV0RecIndex[iGamConv]=-1;
1678  feNegConvGamV0RecIndex[iGamConv]=-1;
1679  fConvGamV0RecIndexNeg[iGamConv]=-1;
1680  fConvGamV0RecIndexPos[iGamConv]=-1;
1681 
1682  }
1683  }
1684 
1685  for(Int_t iLDec=0;iLDec<fnDecayLGeant+1;iLDec++ ){
1686  if(fDecayLV0RecIndexPos[iLDec] != fDecayLV0RecIndexNeg[iLDec]){
1687  fpiNegDecayLV0RecIndex[iLDec]=-1;
1688  fpPosDecayLV0RecIndex[iLDec]=-1;
1689  fDecayLV0RecIndexNeg[iLDec]=-1;
1690  fDecayLV0RecIndexPos[iLDec]=-1;
1691  }
1692  }
1693 
1694  for(Int_t iALDec=0;iALDec<fnDecayALGeant+1;iALDec++ ){
1695  if(fDecayALV0RecIndexPos[iALDec] != fDecayALV0RecIndexNeg[iALDec]){
1696  fpiPosDecayALV0RecIndex[iALDec]=-1;
1697  fapNegDecayALV0RecIndex[iALDec]=-1;
1698  fDecayALV0RecIndexNeg[iALDec]=-1;
1699  fDecayALV0RecIndexPos[iALDec]=-1;
1700  }
1701  }
1702 
1703  for(Int_t iK0Dec=0;iK0Dec<fnDecayK0Geant+1;iK0Dec++ ){
1704  if(fDecayK0V0RecIndexPos[iK0Dec] != fDecayK0V0RecIndexNeg[iK0Dec]){
1705  fpiNegDecayK0V0RecIndex[iK0Dec]=-1;
1706  fpiPosDecayK0V0RecIndex[iK0Dec]=-1;
1707  fDecayK0V0RecIndexNeg[iK0Dec]=-1;
1708  fDecayK0V0RecIndexPos[iK0Dec]=-1;
1709  }
1710  }
1711 
1712 
1713 }
1715 {
1716  // Fill THnSparse Gamma
1717 
1718  Double_t massE=0.00051099892;
1719  Double_t ppSgl[3];
1720  Double_t pmSgl[3];
1721  Float_t bPosSgl[2];
1722  Float_t bNegSgl[2];
1723  Float_t bPosCov[3];
1724  Float_t bNegCov[3];
1725 
1726  Double_t ppV0[3];
1727  Double_t pmV0[3];
1728  Double_t xrG[3];
1729 
1730  TLorentzVector posSglTrack;
1731  TLorentzVector negSglTrack;
1732  Double_t posPt,posEta,posPhi;
1733  Double_t negPt,negEta,negPhi;
1734 
1735  TLorentzVector posV0Track;
1736  TLorentzVector negV0Track;
1737  Double_t posV0Pt,posV0Eta,posV0Phi;
1738  Double_t negV0Pt,negV0Eta,negV0Phi;
1739 
1740  Float_t nClsITSPos=-1;
1741  Float_t nClsITSNeg=-1;
1742 
1743  Float_t nClsTPCPos=-1;
1744  Float_t nClsTPCNeg=-1;
1745 
1746  Int_t statusSingPos=-1;
1747  Int_t statusSingNeg=-1;
1748 
1749  Int_t statusV0Pos=-1;
1750  Int_t statusV0Neg=-1;
1751 
1752 
1753  for(Int_t i=0;i<fnConvGamGeant+1;i++){
1754  TParticle* gamPart = fStack->Particle(fgConvGamGeantIndex[i]);
1755  TParticle* ePosPart = fStack->Particle(fePosConvGamGeantIndex[i]);
1756  TParticle* eNegPart = fStack->Particle(feNegConvGamGeantIndex[i]);
1757  if (fePosConvGamSingleRecIndex[i]!=-1){
1758  AliESDtrack * ePosSglTrack = fESD->GetTrack(fePosConvGamSingleRecIndex[i]);
1759  ePosSglTrack->GetPxPyPz(ppSgl);
1760  posSglTrack.SetXYZM(ppSgl[0],ppSgl[1],ppSgl[2],massE);
1761  posPt = posSglTrack.Pt();
1762  posEta = posSglTrack.Eta();
1763  posPhi = posSglTrack.Phi();
1764  ePosSglTrack->GetImpactParameters(bPosSgl,bPosCov);
1765  nClsITSPos=ePosSglTrack->GetNcls(0);
1766  nClsTPCPos=ePosSglTrack->GetNcls(1);
1767  statusSingPos=1;
1768  }else{
1769  posPt = 1000000;
1770  posEta = -2.;
1771  posPhi = -2*TMath::Pi();
1772  bPosSgl[0]=-100.;
1773  bPosSgl[1]=-100.;
1774  bPosCov[0]=-100;
1775  bPosCov[2]=-100;
1776  nClsITSPos=-1;
1777  nClsTPCPos=-1;
1778  statusSingPos=-1;
1779  }
1780 
1781  if (feNegConvGamSingleRecIndex[i]!=-1){
1782  AliESDtrack * eNegSglTrack = fESD->GetTrack(feNegConvGamSingleRecIndex[i]);
1783  eNegSglTrack->GetPxPyPz(pmSgl);
1784  negSglTrack.SetXYZM(pmSgl[0],pmSgl[1],pmSgl[2],massE);
1785  negPt = negSglTrack.Pt();
1786  negEta = negSglTrack.Eta();
1787  negPhi = negSglTrack.Phi();
1788  eNegSglTrack->GetImpactParameters(bNegSgl,bNegCov);
1789  nClsITSNeg=eNegSglTrack->GetNcls(0);
1790  nClsTPCNeg=eNegSglTrack->GetNcls(1);
1791  statusSingNeg=1;
1792  }else{
1793  negPt = 1000000;
1794  negEta = -2.;
1795  negPhi = -2*TMath::Pi();
1796  bNegSgl[0]=-100.;
1797  bNegSgl[1]=-100.;
1798  bNegCov[0]=-100;
1799  bNegCov[2]=-100;
1800  nClsITSNeg=-1;
1801  nClsTPCNeg=-1;
1802  statusSingNeg=-1;
1803  }
1804 
1805  posV0Pt = 1000000;
1806  posV0Eta = -2.;
1807  posV0Phi = -2*TMath::Pi();
1808  negV0Pt = 1000000;
1809  negV0Eta = -2.;
1810  negV0Phi = -2*TMath::Pi();
1811 
1812  if(fConvGamV0RecIndexPos[i]!=-1){
1813  AliESDv0 * fV0MIs = fESD->GetV0(fConvGamV0RecIndexPos[i]);
1814  AliESDtrack* trackPosTest = fESD->GetTrack(fV0MIs->GetPindex());
1815  AliESDtrack* trackNegTest = fESD->GetTrack(fV0MIs->GetNindex());
1816 
1817  if (fePosConvGamV0RecIndex[i]!=-1 ){
1818  // AliESDtrack * ePosV0Track = fESD->GetTrack(ePosConvGamV0RecIndex[i]);
1819  if ( trackPosTest->GetSign()==1 ) {
1820  fV0MIs->GetPPxPyPz(ppV0[0],ppV0[1],ppV0[2]);
1821  }else{
1822  fV0MIs->GetNPxPyPz(ppV0[0],ppV0[1],ppV0[2]);
1823  }
1824  posV0Track.SetXYZM(ppV0[0],ppV0[1],ppV0[2],massE);
1825 
1826  posV0Pt = posV0Track.Pt();
1827  posV0Eta = posV0Track.Eta();
1828  posV0Phi = posV0Track.Phi();
1829  statusV0Pos=1;
1830  }else{
1831  posV0Pt = 1000000;
1832  posV0Eta = -2.;
1833  posV0Phi = -2*TMath::Pi();
1834  statusV0Pos=-1;
1835  }
1836 
1837  if (feNegConvGamV0RecIndex[i]!=-1 ){
1838  // AliESDtrack * eNegV0Track = fESD->GetTrack(eNegConvGamV0RecIndex[i]);
1839  if ( trackNegTest->GetSign()==-1 ) {
1840  fV0MIs->GetNPxPyPz(pmV0[0],pmV0[1],pmV0[2]);
1841  }else{
1842  fV0MIs->GetPPxPyPz(pmV0[0],pmV0[1],pmV0[2]);
1843  }
1844  negV0Track.SetXYZM(pmV0[0],pmV0[1],pmV0[2],massE);
1845 
1846  negV0Pt = negV0Track.Pt();
1847  negV0Eta = negV0Track.Eta();
1848  negV0Phi = negV0Track.Phi();
1849  statusV0Neg=1;
1850  }else{
1851  negV0Pt = 1000000;
1852  negV0Eta = -2.;
1853  negV0Phi = -2*TMath::Pi();
1854  statusV0Neg=-1;
1855  }
1856  }
1857 
1858  xrG[0] = ePosPart->Vx();
1859  xrG[1] = ePosPart->Vy();
1860  xrG[2] = ePosPart->Vz();
1861 
1862  //--------- Geant variables ----------------------
1863  fValueV0[0] = 1./TMath::Sqrt(gamPart->Pt());
1864  fValueV0[1] = gamPart->Eta();
1865 
1866  Double_t tmpGPhi=gamPart->Phi();
1867  if( gamPart->Phi()>TMath::Pi()){
1868  tmpGPhi=gamPart->Phi()-2*TMath::Pi();
1869  }
1870  fValueV0[2] = tmpGPhi;
1871 
1872  fValueV0[3] = TMath::Sqrt(xrG[0]*xrG[0]+xrG[1]*xrG[1]);
1873  fValueV0[4] = xrG[2];
1874 
1875 
1876  fValueV0[5] = 1./TMath::Sqrt(ePosPart->Pt());
1877  fValueV0[6] = ePosPart->Eta();
1878 
1879  Double_t tmpPPhi=ePosPart->Phi();
1880  if( ePosPart->Phi()>TMath::Pi()){
1881  tmpPPhi = ePosPart->Phi()-2*TMath::Pi();
1882  }
1883  fValueV0[7] = tmpPPhi;
1884  fValueV0[8] = fePosConvGamGeantLength[i];
1885 
1886  fValueV0[9] = 1./TMath::Sqrt(eNegPart->Pt());
1887  fValueV0[10] = eNegPart->Eta();
1888 
1889  Double_t tmpNPhi=eNegPart->Phi();
1890  if( eNegPart->Phi()>TMath::Pi()){
1891  tmpNPhi = eNegPart->Phi()-2*TMath::Pi();
1892  }
1893  fValueV0[11] = tmpNPhi;
1894  fValueV0[12] = feNegConvGamGeantLength[i];
1895 
1896  //---- Single track variables----------------------
1897 
1898  fValueV0[13] = (posPt-ePosPart->Pt())/ePosPart->Pt();
1899  fValueV0[14] = posEta;
1900  fValueV0[15] = posPhi;
1901  fValueV0[16] = TMath::Sqrt( bPosSgl[0]* bPosSgl[0] + bPosSgl[1]* bPosSgl[1] );
1902  fValueV0[17] = TMath::Sqrt( bPosSgl[0]* bPosSgl[0] + bPosSgl[1]* bPosSgl[1] )/TMath::Sqrt(bPosCov[0]*bPosCov[0]+bPosCov[2]*bPosCov[2]);
1903  fValueV0[18] = nClsITSPos;
1904  fValueV0[19] = nClsTPCPos;
1905  fValueV0[20] = statusSingPos;
1906 
1907 
1908  fValueV0[21] = (negPt-eNegPart->Pt())/eNegPart->Pt();
1909  fValueV0[22] = negEta;
1910  fValueV0[23] = negPhi;
1911  fValueV0[24] = TMath::Sqrt( bNegSgl[0]* bNegSgl[0] + bNegSgl[1]* bNegSgl[1] );
1912  fValueV0[25] = TMath::Sqrt( bNegSgl[0]* bNegSgl[0] + bNegSgl[1]* bNegSgl[1] )/TMath::Sqrt(bNegCov[0]*bNegCov[0]+bNegCov[2]*bNegCov[2]);
1913 
1914  fValueV0[26] = nClsITSNeg;
1915  fValueV0[27] = nClsTPCNeg;
1916  fValueV0[28] = statusSingNeg;
1917 
1918 
1919  //---- V0 track variables----------------------
1920 
1921  fValueV0[29] = (posV0Pt-ePosPart->Pt())/ePosPart->Pt();
1922  fValueV0[30] = posV0Eta;
1923  fValueV0[31] = posV0Phi;
1924  fValueV0[32] = statusV0Pos;
1925 
1926  fValueV0[33] = (negV0Pt-eNegPart->Pt())/eNegPart->Pt();
1927  fValueV0[34] = negV0Eta;
1928  fValueV0[35] = negV0Phi;
1929  fValueV0[36] = statusV0Neg;
1930  fValueV0[37] = fCentralityC;
1931  fSparseV0->Fill(fValueV0);
1932  }
1933 
1934 
1935 }
1936 
1938 {
1939  // Fill THnSparse K0
1940 
1941  Double_t massPi=0.13957018;
1942  Double_t ppSgl[3];
1943  Double_t pmSgl[3];
1944  Float_t bPosSgl[2];
1945  Float_t bNegSgl[2];
1946  Float_t bPosCov[3];
1947  Float_t bNegCov[3];
1948 
1949  Double_t ppV0[3];
1950  Double_t pmV0[3];
1951  Double_t xrG[3];
1952 
1953  TLorentzVector posSglTrack;
1954  TLorentzVector negSglTrack;
1955  Double_t posPt,posEta,posPhi;
1956  Double_t negPt,negEta,negPhi;
1957 
1958  TLorentzVector posV0Track;
1959  TLorentzVector negV0Track;
1960  Double_t posV0Pt,posV0Eta,posV0Phi;
1961  Double_t negV0Pt,negV0Eta,negV0Phi;
1962 
1963  Float_t nClsITSPos=-1;
1964  Float_t nClsITSNeg=-1;
1965 
1966  Float_t nClsTPCPos=-1;
1967  Float_t nClsTPCNeg=-1;
1968 
1969  Int_t statusSingPos=-1;
1970  Int_t statusSingNeg=-1;
1971 
1972  Int_t statusV0Pos=-1;
1973  Int_t statusV0Neg=-1;
1974 
1975  for(Int_t i=0;i<fnDecayK0Geant+1;i++){
1976  TParticle* k0Part = fStack->Particle(fK0DecayK0GeantIndex[i]);
1977  TParticle* ePosPart = fStack->Particle(fpiPosDecayK0GeantIndex[i]);
1978  TParticle* eNegPart = fStack->Particle(fpiNegDecayK0GeantIndex[i]);
1979  if (fpiPosDecayK0SingleRecIndex[i]!=-1){
1980  AliESDtrack * ePosSglTrack = fESD->GetTrack(fpiPosDecayK0SingleRecIndex[i]);
1981  ePosSglTrack->GetPxPyPz(ppSgl);
1982  posSglTrack.SetXYZM(ppSgl[0],ppSgl[1],ppSgl[2],massPi);
1983  posPt = posSglTrack.Pt();
1984  posEta = posSglTrack.Eta();
1985  posPhi = posSglTrack.Phi();
1986  ePosSglTrack->GetImpactParameters(bPosSgl,bPosCov);
1987  nClsITSPos=ePosSglTrack->GetNcls(0);
1988  nClsTPCPos=ePosSglTrack->GetNcls(1);
1989  statusSingPos=1;
1990  }else{
1991  posPt = 1000000;
1992  posEta = -2.;
1993  posPhi = -2*TMath::Pi();
1994  bPosSgl[0]=-100.;
1995  bPosSgl[1]=-100.;
1996  bPosCov[0]=-100;
1997  bPosCov[2]=-100;
1998 
1999  nClsITSPos=-1;
2000  nClsTPCPos=-1;
2001  statusSingPos=-1;
2002  }
2003 
2004  if (fpiNegDecayK0SingleRecIndex[i]!=-1){
2005  AliESDtrack * eNegSglTrack = fESD->GetTrack(fpiNegDecayK0SingleRecIndex[i]);
2006  eNegSglTrack->GetPxPyPz(pmSgl);
2007  negSglTrack.SetXYZM(pmSgl[0],pmSgl[1],pmSgl[2],massPi);
2008  negPt = negSglTrack.Pt();
2009  negEta = negSglTrack.Eta();
2010  negPhi = negSglTrack.Phi();
2011  eNegSglTrack->GetImpactParameters(bNegSgl,bNegCov);
2012  nClsITSNeg=eNegSglTrack->GetNcls(0);
2013  nClsTPCNeg=eNegSglTrack->GetNcls(1);
2014  statusSingNeg=1;
2015  }else{
2016  negPt = 1000000;
2017  negEta = -2.;
2018  negPhi = -2*TMath::Pi();
2019  bNegSgl[0]=-100.;
2020  bNegSgl[1]=-100.;
2021  bNegCov[0]=-100;
2022  bNegCov[2]=-100;
2023  nClsITSNeg=-1;
2024  nClsTPCNeg=-1;
2025  statusSingNeg=-1;
2026  }
2027 
2028  posV0Pt = 1000000;
2029  posV0Eta = -2.;
2030  posV0Phi = -2*TMath::Pi();
2031  negV0Pt = 1000000;
2032  negV0Eta = -2.;
2033  negV0Phi = -2*TMath::Pi();
2034 
2035  if(fDecayK0V0RecIndexPos[i]!=-1){
2036  AliESDv0 * fV0MIs = fESD->GetV0(fDecayK0V0RecIndexPos[i]);
2037  AliESDtrack* trackPosTest = fESD->GetTrack(fV0MIs->GetPindex());
2038  AliESDtrack* trackNegTest = fESD->GetTrack(fV0MIs->GetNindex());
2039 
2040  if (fpiPosDecayK0V0RecIndex[i]!=-1 ){
2041  // AliESDtrack * ePosV0Track = fESD->GetTrack(piPosDecayK0V0RecIndex[i]);
2042  if ( trackPosTest->GetSign()==1 ) {
2043  fV0MIs->GetPPxPyPz(ppV0[0],ppV0[1],ppV0[2]);
2044  }else{
2045  fV0MIs->GetNPxPyPz(ppV0[0],ppV0[1],ppV0[2]);
2046  }
2047  posV0Track.SetXYZM(ppV0[0],ppV0[1],ppV0[2],massPi);
2048 
2049  posV0Pt = posV0Track.Pt();
2050  posV0Eta = posV0Track.Eta();
2051  posV0Phi = posV0Track.Phi();
2052  statusV0Pos=1;
2053  }else{
2054  posV0Pt = 1000000;
2055  posV0Eta = -2.;
2056  posV0Phi = -2*TMath::Pi();
2057  statusV0Pos=-1;
2058  }
2059 
2060  if (fpiNegDecayK0V0RecIndex[i]!=-1 ){
2061  // AliESDtrack * eNegV0Track = fESD->GetTrack(piNegDecayK0V0RecIndex[i]);
2062  if ( trackNegTest->GetSign()==-1 ) {
2063  fV0MIs->GetNPxPyPz(pmV0[0],pmV0[1],pmV0[2]);
2064  }else{
2065  fV0MIs->GetPPxPyPz(pmV0[0],pmV0[1],pmV0[2]);
2066  }
2067  negV0Track.SetXYZM(pmV0[0],pmV0[1],pmV0[2],massPi);
2068 
2069  negV0Pt = negV0Track.Pt();
2070  negV0Eta = negV0Track.Eta();
2071  negV0Phi = negV0Track.Phi();
2072  statusV0Neg=1;
2073  }else{
2074  negV0Pt = 1000000;
2075  negV0Eta = -2.;
2076  negV0Phi = -2*TMath::Pi();
2077  statusV0Neg=-1;
2078  }
2079  }
2080 
2081  xrG[0] = ePosPart->Vx();
2082  xrG[1] = ePosPart->Vy();
2083  xrG[2] = ePosPart->Vz();
2084 
2085 
2086  //--------- Geant variables ----------------------
2087  fValueK0[0] = 1./TMath::Sqrt(k0Part->Pt());
2088  fValueK0[1] = k0Part->Eta();
2089 
2090  Double_t tmpGPhi=k0Part->Phi();
2091  if( k0Part->Phi()>TMath::Pi()){
2092  tmpGPhi=k0Part->Phi()-2*TMath::Pi();
2093  }
2094  fValueK0[2] = tmpGPhi;
2095 
2096  fValueK0[3] = TMath::Sqrt(xrG[0]*xrG[0]+xrG[1]*xrG[1]);
2097  fValueK0[4] = xrG[2];
2098 
2099 
2100  fValueK0[5] = 1./TMath::Sqrt(ePosPart->Pt());
2101  fValueK0[6] = ePosPart->Eta();
2102 
2103  Double_t tmpPPhi=ePosPart->Phi();
2104  if( ePosPart->Phi()>TMath::Pi()){
2105  tmpPPhi = ePosPart->Phi()-2*TMath::Pi();
2106  }
2107  fValueK0[7] = tmpPPhi;
2108  fValueK0[8] = fpiPosDecayK0GeantLength[i];
2109 
2110  fValueK0[9] = 1./TMath::Sqrt(eNegPart->Pt());
2111  fValueK0[10] = eNegPart->Eta();
2112 
2113  Double_t tmpNPhi=eNegPart->Phi();
2114  if( eNegPart->Phi()>TMath::Pi()){
2115  tmpNPhi = eNegPart->Phi()-2*TMath::Pi();
2116  }
2117  fValueK0[11] = tmpNPhi;
2118  fValueK0[12] = fpiNegDecayK0GeantLength[i];
2119  //---- Single track variables----------------------
2120 
2121  fValueK0[13] = (posPt-ePosPart->Pt())/ePosPart->Pt() ;
2122  fValueK0[14] = posEta;
2123  fValueK0[15] = posPhi;
2124  fValueK0[16] = TMath::Sqrt( bPosSgl[0]* bPosSgl[0] + bPosSgl[1]* bPosSgl[1] );
2125  fValueK0[17] = TMath::Sqrt( bPosSgl[0]* bPosSgl[0] + bPosSgl[1]* bPosSgl[1] )/TMath::Sqrt(bPosCov[0]*bPosCov[0]+bPosCov[2]*bPosCov[2]);
2126 
2127  fValueK0[18] = nClsITSPos;
2128  fValueK0[19] = nClsTPCPos;
2129  fValueK0[20] = statusSingPos;
2130 
2131  fValueK0[21] = (negPt-eNegPart->Pt())/eNegPart->Pt();
2132  fValueK0[22] = negEta;
2133  fValueK0[23] = negPhi;
2134  fValueK0[24] = TMath::Sqrt( bNegSgl[0]* bNegSgl[0]+ bNegSgl[1]* bNegSgl[1] );
2135  fValueK0[25] = TMath::Sqrt( bNegSgl[0]* bNegSgl[0]+ bNegSgl[1]* bNegSgl[1] )/TMath::Sqrt(bNegCov[0]*bNegCov[0]+bNegCov[2]*bNegCov[2]);
2136  fValueK0[26] = nClsITSNeg;
2137  fValueK0[27] = nClsTPCNeg;
2138  fValueK0[28] = statusSingNeg;
2139 
2140 
2141  //---- V0 track variables----------------------
2142 
2143  fValueK0[29] = (posV0Pt-ePosPart->Pt())/ePosPart->Pt();
2144  fValueK0[30] = posV0Eta;
2145  fValueK0[31] = posV0Phi;
2146  fValueK0[32] = statusV0Pos;
2147 
2148  fValueK0[33] = (negV0Pt-eNegPart->Pt())/eNegPart->Pt();
2149  fValueK0[34] = negV0Eta;
2150  fValueK0[35] = negV0Phi;
2151  fValueK0[36] = statusV0Neg;
2152  fValueK0[37] = fCentralityC;
2153 
2154  fSparseK0->Fill(fValueK0);
2155  }
2156 
2157 
2158 }
2160 {
2161  // Fill THnSparse Lambda
2162 
2163  Double_t massPi=0.13957018;
2164  Double_t massP=0.93827203;
2165 
2166 
2167  Double_t ppSgl[3];
2168  Double_t pmSgl[3];
2169  Float_t bPosSgl[2];
2170  Float_t bNegSgl[2];
2171  Float_t bPosCov[3];
2172  Float_t bNegCov[3];
2173 
2174  Double_t ppV0[3];
2175  Double_t pmV0[3];
2176  Double_t xrG[3];
2177 
2178  TLorentzVector posSglTrack;
2179  TLorentzVector negSglTrack;
2180  Double_t posPt,posEta,posPhi;
2181  Double_t negPt,negEta,negPhi;
2182 
2183  TLorentzVector posV0Track;
2184  TLorentzVector negV0Track;
2185  Double_t posV0Pt,posV0Eta,posV0Phi;
2186  Double_t negV0Pt,negV0Eta,negV0Phi;
2187 
2188  Float_t nClsITSPos=-1;
2189  Float_t nClsITSNeg=-1;
2190 
2191  Float_t nClsTPCPos=-1;
2192  Float_t nClsTPCNeg=-1;
2193 
2194  Int_t statusSingPos=-1;
2195  Int_t statusSingNeg=-1;
2196 
2197  Int_t statusV0Pos=-1;
2198  Int_t statusV0Neg=-1;
2199 
2200  for(Int_t i=0;i<fnDecayLGeant+1;i++){
2201  TParticle* lPart = fStack->Particle(flDecayLGeantIndex[i]);
2202  TParticle* ePosPart = fStack->Particle(fpPosDecayLGeantIndex[i]);
2203  TParticle* eNegPart = fStack->Particle(fpiNegDecayLGeantIndex[i]);
2204  if (fpPosDecayLSingleRecIndex[i]!=-1){
2205  AliESDtrack * ePosSglTrack = fESD->GetTrack(fpPosDecayLSingleRecIndex[i]);
2206  ePosSglTrack->GetPxPyPz(ppSgl);
2207  posSglTrack.SetXYZM(ppSgl[0],ppSgl[1],ppSgl[2],massP);
2208  posPt = posSglTrack.Pt();
2209  posEta = posSglTrack.Eta();
2210  posPhi = posSglTrack.Phi();
2211  ePosSglTrack->GetImpactParameters(bPosSgl,bPosCov);
2212  nClsITSPos=ePosSglTrack->GetNcls(0);
2213  nClsTPCPos=ePosSglTrack->GetNcls(1);
2214  statusSingPos=1;
2215  }else{
2216  posPt = 1000000;
2217  posEta = -2.;
2218  posPhi = -2*TMath::Pi();
2219  bPosSgl[0]=-100.;
2220  bPosSgl[1]=-100.;
2221  bPosCov[0]=-100;
2222  bPosCov[2]=-100;
2223  nClsITSPos=-1;
2224  nClsTPCPos=-1;
2225  statusSingPos=-1;
2226  }
2227 
2228  if (fpiNegDecayLSingleRecIndex[i]!=-1){
2229  AliESDtrack * eNegSglTrack = fESD->GetTrack(fpiNegDecayLSingleRecIndex[i]);
2230  eNegSglTrack->GetPxPyPz(pmSgl);
2231  negSglTrack.SetXYZM(pmSgl[0],pmSgl[1],pmSgl[2],massPi);
2232  negPt = negSglTrack.Pt();
2233  negEta = negSglTrack.Eta();
2234  negPhi = negSglTrack.Phi();
2235  eNegSglTrack->GetImpactParameters(bNegSgl,bNegCov);
2236  nClsITSNeg=eNegSglTrack->GetNcls(0);
2237  nClsTPCNeg=eNegSglTrack->GetNcls(1);
2238  statusSingNeg=1;
2239  }else{
2240  negPt = 1000000;
2241  negEta = -2.;
2242  negPhi = -2*TMath::Pi();
2243  bNegSgl[0]=-100.;
2244  bNegSgl[1]=-100.;
2245  bNegCov[0]=-100;
2246  bNegCov[2]=-100;
2247  nClsITSNeg=-1;
2248  nClsTPCNeg=-1;
2249  statusSingNeg=-1;
2250  }
2251 
2252  posV0Pt = 1000000;
2253  posV0Eta = -2.;
2254  posV0Phi = -2*TMath::Pi();
2255  negV0Pt = 1000000;
2256  negV0Eta = -2.;
2257  negV0Phi = -2*TMath::Pi();
2258 
2259  if(fDecayLV0RecIndexPos[i]!=-1){
2260  AliESDv0 * fV0MIs = fESD->GetV0(fDecayLV0RecIndexPos[i]);
2261  AliESDtrack* trackPosTest = fESD->GetTrack(fV0MIs->GetPindex());
2262  AliESDtrack* trackNegTest = fESD->GetTrack(fV0MIs->GetNindex());
2263 
2264  if (fpPosDecayLV0RecIndex[i]!=-1 ){
2265  // AliESDtrack * ePosV0Track = fESD->GetTrack(pPosDecayLV0RecIndex[i]);
2266  if ( trackPosTest->GetSign()==1 ) {
2267  fV0MIs->GetPPxPyPz(ppV0[0],ppV0[1],ppV0[2]);
2268  }else{
2269  fV0MIs->GetNPxPyPz(ppV0[0],ppV0[1],ppV0[2]);
2270  }
2271  posV0Track.SetXYZM(ppV0[0],ppV0[1],ppV0[2],massP);
2272 
2273  posV0Pt = posV0Track.Pt();
2274  posV0Eta = posV0Track.Eta();
2275  posV0Phi = posV0Track.Phi();
2276  statusV0Pos=1;
2277  }else{
2278  posV0Pt = 1000000;
2279  posV0Eta = -2.;
2280  posV0Phi = -2*TMath::Pi();
2281  statusV0Pos=-1;
2282  }
2283 
2284  if (fpiNegDecayLV0RecIndex[i]!=-1 ){
2285  // AliESDtrack * eNegV0Track = fESD->GetTrack(piNegDecayLV0RecIndex[i]);
2286  if ( trackNegTest->GetSign()==-1 ) {
2287  fV0MIs->GetNPxPyPz(pmV0[0],pmV0[1],pmV0[2]);
2288  }else{
2289  fV0MIs->GetPPxPyPz(pmV0[0],pmV0[1],pmV0[2]);
2290  }
2291  negV0Track.SetXYZM(pmV0[0],pmV0[1],pmV0[2],massPi);
2292 
2293  negV0Pt = negV0Track.Pt();
2294  negV0Eta = negV0Track.Eta();
2295  negV0Phi = negV0Track.Phi();
2296  statusV0Neg=1;
2297  }else{
2298  negV0Pt = 1000000;
2299  negV0Eta = -2.;
2300  negV0Phi = -2*TMath::Pi();
2301  statusV0Neg=-1;
2302  }
2303  }
2304 
2305  xrG[0] = ePosPart->Vx();
2306  xrG[1] = ePosPart->Vy();
2307  xrG[2] = ePosPart->Vz();
2308 
2309  //--------- Geant variables ----------------------
2310  fValueL[0] = 1./TMath::Sqrt(lPart->Pt());
2311  fValueL[1] = lPart->Eta();
2312 
2313  Double_t tmpGPhi=lPart->Phi();
2314  if( lPart->Phi()>TMath::Pi()){
2315  tmpGPhi=lPart->Phi()-2*TMath::Pi();
2316  }
2317  fValueL[2] = tmpGPhi;
2318 
2319  fValueL[3] = TMath::Sqrt(xrG[0]*xrG[0]+xrG[1]*xrG[1]);
2320  fValueL[4] = xrG[2];
2321 
2322 
2323  fValueL[5] = 1./TMath::Sqrt(ePosPart->Pt());
2324  fValueL[6] = ePosPart->Eta();
2325 
2326  Double_t tmpPPhi=ePosPart->Phi();
2327  if( ePosPart->Phi()>TMath::Pi()){
2328  tmpPPhi = ePosPart->Phi()-2*TMath::Pi();
2329  }
2330  fValueL[7] = tmpPPhi;
2331  fValueL[8] = fpPosDecayLGeantLength[i];
2332 
2333  fValueL[9] = 1./TMath::Sqrt(eNegPart->Pt());
2334  fValueL[10] = eNegPart->Eta();
2335 
2336  Double_t tmpNPhi=eNegPart->Phi();
2337  if( eNegPart->Phi()>TMath::Pi()){
2338  tmpNPhi = eNegPart->Phi()-2*TMath::Pi();
2339  }
2340  fValueL[11] = tmpNPhi;
2341  fValueL[12] = fpiNegDecayLGeantLength[i];
2342  //---- Single track variables----------------------
2343 
2344  fValueL[13] = (posPt-ePosPart->Pt())/ePosPart->Pt();
2345  fValueL[14] = posEta;
2346  fValueL[15] = posPhi;
2347  fValueL[16] = TMath::Sqrt( bPosSgl[0]* bPosSgl[0] + bPosSgl[1]* bPosSgl[1]);
2348  fValueL[17] = TMath::Sqrt( bPosSgl[0]* bPosSgl[0] + bPosSgl[1]* bPosSgl[1] )/TMath::Sqrt(bPosCov[0]*bPosCov[0]+bPosCov[2]*bPosCov[2]);
2349  fValueL[18] = nClsITSPos;
2350  fValueL[19] = nClsTPCPos;
2351  fValueL[20] = statusSingPos;
2352 
2353  fValueL[21] = (negPt-eNegPart->Pt())/eNegPart->Pt() ;
2354  fValueL[22] = negEta;
2355  fValueL[23] = negPhi;
2356  fValueL[24] = TMath::Sqrt( bNegSgl[0]* bNegSgl[0] + bNegSgl[1]* bNegSgl[1] );
2357  fValueL[25] = TMath::Sqrt( bNegSgl[0]* bNegSgl[0] + bNegSgl[1]* bNegSgl[1] )/TMath::Sqrt(bNegCov[0]*bNegCov[0]+bNegCov[2]*bNegCov[2]);
2358  fValueL[26] = nClsITSNeg;
2359  fValueL[27] = nClsTPCNeg;
2360  fValueL[28] = statusSingNeg;
2361 
2362 
2363 
2364  //---- V0 track variables----------------------
2365 
2366  fValueL[29] = (posV0Pt-ePosPart->Pt())/ePosPart->Pt();
2367  fValueL[30] = posV0Eta;
2368  fValueL[31] = posV0Phi;
2369  fValueL[32] = statusV0Pos;
2370 
2371 
2372  fValueL[33] = (negV0Pt-eNegPart->Pt())/eNegPart->Pt();
2373  fValueL[34] = negV0Eta;
2374  fValueL[35] = negV0Phi;
2375  fValueL[36] = statusV0Neg;
2376  fValueL[37] = fCentralityC;
2377 
2378  fSparseL->Fill(fValueL);
2379  }
2380 
2381 
2382 }
2383 
2385 {
2386  // Fill THnSparse Antilambda
2387 
2388  Double_t massPi=0.13957018;
2389  Double_t massP=0.93827203;
2390 
2391 
2392  Double_t ppSgl[3];
2393  Double_t pmSgl[3];
2394  Float_t bPosSgl[2];
2395  Float_t bNegSgl[2];
2396  Float_t bPosCov[3];
2397  Float_t bNegCov[3];
2398 
2399  Double_t ppV0[3];
2400  Double_t pmV0[3];
2401  Double_t xrG[3];
2402 
2403  TLorentzVector posSglTrack;
2404  TLorentzVector negSglTrack;
2405  Double_t posPt,posEta,posPhi;
2406  Double_t negPt,negEta,negPhi;
2407 
2408  TLorentzVector posV0Track;
2409  TLorentzVector negV0Track;
2410  Double_t posV0Pt,posV0Eta,posV0Phi;
2411  Double_t negV0Pt,negV0Eta,negV0Phi;
2412 
2413  Float_t nClsITSPos=-1;
2414  Float_t nClsITSNeg=-1;
2415 
2416  Float_t nClsTPCPos=-1;
2417  Float_t nClsTPCNeg=-1;
2418 
2419  Int_t statusSingPos=-1;
2420  Int_t statusSingNeg=-1;
2421 
2422  Int_t statusV0Pos=-1;
2423  Int_t statusV0Neg=-1;
2424 
2425 
2426  for(Int_t i=0;i<fnDecayALGeant+1;i++){
2427  TParticle* alPart = fStack->Particle(falDecayALGeantIndex[i]);
2428  TParticle* eNegPart = fStack->Particle(fapNegDecayALGeantIndex[i]);
2429  TParticle* ePosPart = fStack->Particle(fpiPosDecayALGeantIndex[i]);
2430  if (fpiPosDecayALSingleRecIndex[i]!=-1){
2431  AliESDtrack * ePosSglTrack = fESD->GetTrack(fpiPosDecayALSingleRecIndex[i]);
2432  ePosSglTrack->GetPxPyPz(ppSgl);
2433  posSglTrack.SetXYZM(ppSgl[0],ppSgl[1],ppSgl[2],massPi);
2434  posPt = posSglTrack.Pt();
2435  posEta = posSglTrack.Eta();
2436  posPhi = posSglTrack.Phi();
2437  ePosSglTrack->GetImpactParameters(bPosSgl,bPosCov);
2438  nClsITSPos=ePosSglTrack->GetNcls(0);
2439  nClsTPCPos=ePosSglTrack->GetNcls(1);
2440  statusSingPos=1;
2441  }else{
2442  posPt = 1000000;
2443  posEta = -2.;
2444  posPhi = -2*TMath::Pi();
2445  bPosSgl[0]=-100.;
2446  bPosSgl[1]=-100.;
2447  bPosCov[0]=-100;
2448  bPosCov[2]=-100;
2449  nClsITSPos=-1;
2450  nClsTPCPos=-1;
2451  statusSingPos=-1;
2452  }
2453 
2454  if (fapNegDecayALSingleRecIndex[i]!=-1){
2455  AliESDtrack * eNegSglTrack = fESD->GetTrack(fapNegDecayALSingleRecIndex[i]);
2456  eNegSglTrack->GetPxPyPz(pmSgl);
2457  negSglTrack.SetXYZM(pmSgl[0],pmSgl[1],pmSgl[2],massP);
2458  negPt = negSglTrack.Pt();
2459  negEta = negSglTrack.Eta();
2460  negPhi = negSglTrack.Phi();
2461  eNegSglTrack->GetImpactParameters(bNegSgl,bNegCov);
2462  nClsITSNeg=eNegSglTrack->GetNcls(0);
2463  nClsTPCNeg=eNegSglTrack->GetNcls(1);
2464  statusSingNeg=1;
2465  }else{
2466  negPt = 1000000;
2467  negEta = -2.;
2468  negPhi = -2*TMath::Pi();
2469  bNegSgl[0]=-100.;
2470  bNegSgl[1]=-100.;
2471  bNegCov[0]=-100;
2472  bNegCov[2]=-100;
2473  nClsITSNeg=-1;
2474  nClsTPCNeg=-1;
2475  statusSingNeg=-1;
2476  }
2477 
2478  posV0Pt = 1000000;
2479  posV0Eta = -2.;
2480  posV0Phi = -2*TMath::Pi();
2481  negV0Pt = 1000000;
2482  negV0Eta = -2.;
2483  negV0Phi = -2*TMath::Pi();
2484 
2485  if(fDecayALV0RecIndexPos[i]!=-1){
2486  AliESDv0 * fV0MIs = fESD->GetV0(fDecayALV0RecIndexPos[i]);
2487  AliESDtrack* trackPosTest = fESD->GetTrack(fV0MIs->GetPindex());
2488  AliESDtrack* trackNegTest = fESD->GetTrack(fV0MIs->GetNindex());
2489 
2490  if (fpiPosDecayALV0RecIndex[i]!=-1 ){
2491  // AliESDtrack * ePosV0Track = fESD->GetTrack(piPosDecayALV0RecIndex[i]);
2492  if ( trackPosTest->GetSign()==1 ) {
2493  fV0MIs->GetPPxPyPz(ppV0[0],ppV0[1],ppV0[2]);
2494  }else{
2495  fV0MIs->GetNPxPyPz(ppV0[0],ppV0[1],ppV0[2]);
2496  }
2497  posV0Track.SetXYZM(ppV0[0],ppV0[1],ppV0[2],massPi);
2498 
2499  posV0Pt = posV0Track.Pt();
2500  posV0Eta = posV0Track.Eta();
2501  posV0Phi = posV0Track.Phi();
2502  statusV0Pos=1;
2503  }else{
2504  posV0Pt = 1000000;
2505  posV0Eta = -2.;
2506  posV0Phi = -2*TMath::Pi();
2507  statusV0Pos=-1;
2508  }
2509 
2510  if (fapNegDecayALV0RecIndex[i]!=-1 ){
2511  // AliESDtrack * eNegV0Track = fESD->GetTrack(apNegDecayALV0RecIndex[i]);
2512  if ( trackNegTest->GetSign()==-1 ) {
2513  fV0MIs->GetNPxPyPz(pmV0[0],pmV0[1],pmV0[2]);
2514  }else{
2515  fV0MIs->GetPPxPyPz(pmV0[0],pmV0[1],pmV0[2]);
2516  }
2517  negV0Track.SetXYZM(pmV0[0],pmV0[1],pmV0[2],massP);
2518 
2519  negV0Pt = negV0Track.Pt();
2520  negV0Eta = negV0Track.Eta();
2521  negV0Phi = negV0Track.Phi();
2522  statusV0Neg=1;
2523  }else{
2524  negV0Pt = 1000000;
2525  negV0Eta = -2.;
2526  negV0Phi = -2*TMath::Pi();
2527  statusV0Neg=-1;
2528  }
2529  }
2530 
2531  xrG[0] = ePosPart->Vx();
2532  xrG[1] = ePosPart->Vy();
2533  xrG[2] = ePosPart->Vz();
2534 
2535  //--------- Geant variables ----------------------
2536  fValueAL[0] = 1./TMath::Sqrt(alPart->Pt());
2537  fValueAL[1] = alPart->Eta();
2538 
2539  Double_t tmpGPhi=alPart->Phi();
2540  if( alPart->Phi()>TMath::Pi()){
2541  tmpGPhi=alPart->Phi()-2*TMath::Pi();
2542  }
2543  fValueAL[2] = tmpGPhi;
2544 
2545  fValueAL[3] = TMath::Sqrt(xrG[0]*xrG[0]+xrG[1]*xrG[1]);
2546  fValueAL[4] = xrG[2];
2547 
2548 
2549  fValueAL[5] = 1./TMath::Sqrt(ePosPart->Pt());
2550  fValueAL[6] = ePosPart->Eta();
2551 
2552  Double_t tmpPPhi=ePosPart->Phi();
2553  if( ePosPart->Phi()>TMath::Pi()){
2554  tmpPPhi = ePosPart->Phi()-2*TMath::Pi();
2555  }
2556  fValueAL[7] = tmpPPhi;
2557  fValueAL[8] = fpiPosDecayALGeantLength[i];
2558 
2559  fValueAL[9] = 1./TMath::Sqrt(eNegPart->Pt());
2560  fValueAL[10] = eNegPart->Eta();
2561 
2562  Double_t tmpNPhi=eNegPart->Phi();
2563  if( eNegPart->Phi()>TMath::Pi()){
2564  tmpNPhi = eNegPart->Phi()-2*TMath::Pi();
2565  }
2566  fValueAL[11] = tmpNPhi;
2567  fValueAL[12] = fapNegDecayALGeantLength[i];
2568  //---- Single track variables----------------------
2569 
2570  fValueAL[13] = (posPt-ePosPart->Pt())/ePosPart->Pt();
2571  fValueAL[14] = posEta;
2572  fValueAL[15] = posPhi;
2573  fValueAL[16] = TMath::Sqrt( bPosSgl[0]* bPosSgl[0] + bPosSgl[1]* bPosSgl[1]);
2574  fValueAL[17] = TMath::Sqrt( bPosSgl[0]* bPosSgl[0] + bPosSgl[1]* bPosSgl[1] )/TMath::Sqrt(bPosCov[0]*bPosCov[0]+bPosCov[2]*bPosCov[2]);
2575  fValueAL[18] = nClsITSPos;
2576  fValueAL[19] = nClsTPCPos;
2577  fValueAL[20] = statusSingPos;
2578 
2579  fValueAL[21] = (negPt-eNegPart->Pt())/eNegPart->Pt() ;
2580  fValueAL[22] = negEta;
2581  fValueAL[23] = negPhi;
2582  fValueAL[24] = TMath::Sqrt( bNegSgl[0]* bNegSgl[0] + bNegSgl[1]* bNegSgl[1] );
2583  fValueAL[25] = TMath::Sqrt( bNegSgl[0]* bNegSgl[0] + bNegSgl[1]* bNegSgl[1] )/TMath::Sqrt(bNegCov[0]*bNegCov[0]+bNegCov[2]*bNegCov[2]);
2584  fValueAL[26] = nClsITSNeg;
2585  fValueAL[27] = nClsTPCNeg;
2586  fValueAL[28] = statusSingNeg;
2587 
2588 
2589 
2590  //---- V0 track variables----------------------
2591 
2592  fValueAL[29] = (posV0Pt-ePosPart->Pt())/ePosPart->Pt();
2593  fValueAL[30] = posV0Eta;
2594  fValueAL[31] = posV0Phi;
2595  fValueAL[32] = statusV0Pos;
2596 
2597 
2598  fValueAL[33] = (negV0Pt-eNegPart->Pt())/eNegPart->Pt();
2599  fValueAL[34] = negV0Eta;
2600  fValueAL[35] = negV0Phi;
2601  fValueAL[36] = statusV0Neg;
2602  fValueAL[37] = fCentralityC;
2603 
2604  fSparseAL->Fill(fValueAL);
2605  }
2606 }
2607 
2608 
2609 // void AliAnalysisTaskV0QA::SetESDtrackCuts()
2610 // {
2611 
2612 // fEsdTrackCuts = new AliESDtrackCuts("AliESDtrackCuts");
2613 
2614 // fEsdTrackCuts->SetRequireTPCRefit(kTRUE);
2615 // fEsdTrackCuts->SetAcceptKinkDaughters(kFALSE);
2616 
2617 
2618 
2619 // }
double Double_t
Definition: External.C:58
virtual void UserExec(Option_t *option)
Int_t GetTPCReference(Int_t label)
AliMCEventHandler * fMCtruth
int Int_t
Definition: External.C:63
float Float_t
Definition: External.C:68
virtual void UserCreateOutputObjects()
virtual void Terminate(Option_t *)
const char Option_t
Definition: External.C:48