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[u/mrichter/AliRoot.git] / PWGLF / STRANGENESS / LambdaK0PbPb / AliAnalysisTaskCTauPbPb.cxx
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e26966dc 1#include <TCanvas.h>
2#include <TTree.h>
3#include <TFile.h>
4#include <TH1F.h>
5#include <TH2F.h>
6#include <TH3F.h>
7#include <TPDGCode.h>
8#include <TDatabasePDG.h>
9#include <TParticlePDG.h>
10#include <TParticle.h>
11#include <TROOT.h>
12
13#include "AliESDEvent.h"
14#include "AliESDv0.h"
15#include "AliESDcascade.h"
16
17#include "AliCentrality.h"
18
19#include "AliMCEvent.h"
20#include "AliStack.h"
21
22#include "AliPID.h"
23#include "AliPIDResponse.h"
24
25#include "AliInputEventHandler.h"
26#include "AliAnalysisManager.h"
27
28#include "AliAnalysisTaskCTauPbPb.h"
29
30extern TROOT *gROOT;
31
32ClassImp(AliAnalysisTaskCTauPbPb)
33
34static Int_t nbins=102; // number of bins
35static Double_t lMin=0.0, lMax=100.;
36static Double_t pMin=0.0, pMax=10.;
37static Double_t yMax=0.5;
38
39
40//
41// This is a little task for checking the c*tau of the strange particles
42//
43
44AliAnalysisTaskCTauPbPb::AliAnalysisTaskCTauPbPb(const char *name) :
45AliAnalysisTaskSE(name),
46fIsMC(kFALSE),
47fCMin(0.),
48fCMax(90.),
49fOutput(0),
50fMult(0),
51fdEdx(0),
52fdEdxPid(0),
53
54fK0sM(0),
55fK0sSi(0),
56fK0sMC(0),
57fK0sAs(0),
58
59fLambdaM(0),
60fLambdaSi(0),
61fLambdaMC(0),
62fLambdaAs(0),
63
64fCPA(0),
65fDCA(0),
66
67fLambdaEff(0),
68fLambdaPt(0),
69
70fLambdaFromXi(0),
71fXiM(0),
72fXiSiP(0)
73{
74 // Constructor. Initialization of pointers
75 DefineOutput(1, TList::Class());
76}
77
78void AliAnalysisTaskCTauPbPb::UserCreateOutputObjects()
79{
80 fOutput = new TList();
81 fOutput->SetOwner();
82
83
84 fMult=new TH1F("fMult","Multiplicity",1100,0.,3300);
85 fMult->GetXaxis()->SetTitle("N tracks");
86 fOutput->Add(fMult);
87
88 fdEdx=new TH2F("fdEdx","dE/dx",50,0.2,3,50,0.,6.);
89 fOutput->Add(fdEdx);
90
91 fdEdxPid=new TH2F("fdEdxPid","dE/dx with PID",50,0.2,3,50,0.,6.);
92 fOutput->Add(fdEdxPid);
93
94 fK0sM =
95 new TH2F("fK0sM", "Mass for K^{0}_{s}", nbins/2, 0.448, 0.548, 10,pMin,pMax);
96 fK0sM->GetXaxis()->SetTitle("Mass [GeV/c]");
97 fOutput->Add(fK0sM);
98
99 fK0sSi =
100 new TH2F("fK0sSi","L_{T} vs p_{T} for K^{0}_{s}, side-band subtracted",
101 nbins,pMin,pMax,nbins,lMin,lMax);
102 fK0sSi->GetXaxis()->SetTitle("p_{T} [GeV/c]");
103 fK0sSi->GetYaxis()->SetTitle("L_{T} [cm]");
104 fOutput->Add(fK0sSi);
105
106 fK0sMC =
107 new TH2F("fK0sMC","L_{T} vs p_{T} for K^{0}_{s}, from MC stack",
108 nbins,pMin,pMax,nbins,lMin,lMax);
109 fK0sMC->GetXaxis()->SetTitle("p_{T} [GeV/c]");
110 fK0sMC->GetYaxis()->SetTitle("L_{T} [cm]");
111 fOutput->Add(fK0sMC);
112
113 fK0sAs =
114 new TH2F("fK0sAs", "L_{T} vs p_{T} for K^{0}_{s}, associated",
115 nbins,pMin,pMax,nbins,lMin,lMax);
116 fK0sAs->GetXaxis()->SetTitle("p_{T} [GeV/c]");
117 fK0sAs->GetYaxis()->SetTitle("L_{T} [cm]");
118 fOutput->Add(fK0sAs);
119
120 //----------------------
121
122 fLambdaM =
123 new TH2F("fLambdaM","Mass for \\Lambda", nbins, 1.065, 1.165,nbins,pMin,pMax);
124 //new TH2F("fLambdaM","Mass for \\Lambda", nbins, 1.065, 1.165,10,0.1,1.1);
125 fLambdaM->GetXaxis()->SetTitle("Mass [GeV/c]");
126 fOutput->Add(fLambdaM);
127
128 fLambdaSi =
129 new TH2F("fLambdaSi","L_{T} vs p_{T} for \\Lambda, side-band subtructed",
130 nbins,pMin,pMax,nbins,lMin,lMax);
131 fLambdaSi->GetXaxis()->SetTitle("p_{T} [GeV/c]");
132 fLambdaSi->GetYaxis()->SetTitle("L_{T} [cm]");
133 fOutput->Add(fLambdaSi);
134
135 fLambdaMC =
136 new TH2F("fLambdaMC","c\\tau for \\Lambda, from MC stack",
137 nbins,pMin,pMax,nbins,lMin,lMax);
138 fLambdaMC->GetXaxis()->SetTitle("p_{T} [GeV/c]");
139 fLambdaMC->GetYaxis()->SetTitle("L_{T} [cm]");
140 fOutput->Add(fLambdaMC);
141
142 fLambdaAs =
143 new TH2F("fLambdaAs","c\\tau for \\Lambda, associated",
144 nbins,pMin,pMax,nbins,lMin,lMax);
145 fLambdaAs->GetXaxis()->SetTitle("p_{T} [GeV/c]");
146 fLambdaAs->GetYaxis()->SetTitle("L_{T} [cm]");
147 fOutput->Add(fLambdaAs);
148
149 fCPA=new TH1F("fCPA","Cosine of the pointing angle",30,0.9978,1.);
150 fOutput->Add(fCPA);
151 fDCA=new TH1F("fDCA","DCA between the daughters",30,0.,1.1);
152 fOutput->Add(fDCA);
153
154 fLambdaEff=fLambdaAs->ProjectionX();
155 fLambdaEff->SetName("fLambdaEff");
156 fLambdaEff->SetTitle("Efficiency for #Lambda");
157 fOutput->Add(fLambdaEff);
158
159 fLambdaPt=fLambdaAs->ProjectionX();
160 fLambdaPt->SetName("fLambdaPt");
161 fLambdaPt->SetTitle("Raw #Lambda pT spectrum");
162 fOutput->Add(fLambdaPt);
163
164 //----------------------
165
166 fLambdaFromXi=new TH3F("fLambdaFromXi","L_{T} vs p_{T} vs p_{T} of \\Xi for \\Lambda from Xi",
167 nbins,pMin,pMax,nbins,lMin,lMax,33,pMin,pMax+2);
168 fOutput->Add(fLambdaFromXi);
169
170 fXiM =
171 new TH2F("fXiM", "\\Xi mass distribution", 50, 1.271, 1.371,12,pMin,pMax+2);
172 fOutput->Add(fXiM);
173
174 fXiSiP = new TH1F("fXiSiP", "Pt for \\Xi, side-band subracted",
175 33,pMin,pMax+2);
176 fOutput->Add(fXiSiP);
177
178
179 PostData(1, fOutput);
180}
181
182static Bool_t AcceptTrack(const AliESDtrack *t) {
183 if (!t->IsOn(AliESDtrack::kTPCrefit)) return kFALSE;
184 if (t->GetKinkIndex(0)>0) return kFALSE;
185
186 Float_t nCrossedRowsTPC = t->GetTPCClusterInfo(2,1);
187 if (nCrossedRowsTPC < 70) return kFALSE;
188 Int_t findable=t->GetTPCNclsF();
189 if (findable <= 0) return kFALSE;
190 if (nCrossedRowsTPC/findable < 0.8) return kFALSE;
191
ff909752 192 if (TMath::Abs(t->Eta()) > 0.8) return kFALSE;
193
e26966dc 194 return kTRUE;
195}
196
197static Bool_t AcceptV0(const AliESDv0 *v0, const AliESDEvent *esd) {
198
199 if (v0->GetOnFlyStatus()) return kFALSE;
200
201 if (v0->Pt() < pMin) return kFALSE;
202
203 Int_t nidx=TMath::Abs(v0->GetNindex());
204 AliESDtrack *ntrack=esd->GetTrack(nidx);
205 if (!AcceptTrack(ntrack)) return kFALSE;
206
207 Int_t pidx=TMath::Abs(v0->GetPindex());
208 AliESDtrack *ptrack=esd->GetTrack(pidx);
209 if (!AcceptTrack(ptrack)) return kFALSE;
210
211 Float_t xy,z0;
212 ntrack->GetImpactParameters(xy,z0);
213 if (TMath::Abs(xy)<0.1) return kFALSE;
214 ptrack->GetImpactParameters(xy,z0);
215 if (TMath::Abs(xy)<0.1) return kFALSE;
216
217 Double_t dca=v0->GetDcaV0Daughters();
218 if (dca>1.0) return kFALSE;
219 //if (dca>0.7) return kFALSE;
220 //if (dca>0.4) return kFALSE;
221
222 Double_t cpa=v0->GetV0CosineOfPointingAngle();
223 if (cpa<0.998) return kFALSE;
224 //if (cpa<0.99875) return kFALSE;
225 //if (cpa<0.9995) return kFALSE;
226
227 Double_t xx,yy,zz; v0->GetXYZ(xx,yy,zz);
228 Double_t r2=xx*xx + yy*yy;
229 if (r2<0.9*0.9) return kFALSE;
230 if (r2>100*100) return kFALSE;
231
232 return kTRUE;
233}
234
235static Bool_t AcceptCascade(const AliESDcascade *cs, const AliESDEvent *esd) {
236
237 if (cs->Pt() < pMin) return kFALSE;
238
239 Int_t bidx=TMath::Abs(cs->GetBindex());
240 AliESDtrack *btrack=esd->GetTrack(bidx);
241 if (!AcceptTrack(btrack)) return kFALSE;
242
243 Float_t xy,z0;
244 btrack->GetImpactParameters(xy,z0);
245 if (TMath::Abs(xy)<0.03) return kFALSE;
246
247 const AliESDVertex *vtx=esd->GetPrimaryVertexSPD();
248 if (!vtx->GetStatus()) {
249 vtx=esd->GetPrimaryVertexTracks();
250 if (!vtx->GetStatus()) return kFALSE;
251 }
252 Double_t xv=vtx->GetXv(), yv=vtx->GetYv(), zv=vtx->GetZv();
253 if (cs->GetCascadeCosineOfPointingAngle(xv,yv,zv) < 0.999) return kFALSE;
254
255 if (cs->GetDcaXiDaughters() > 0.3) return kFALSE;
256
257 return kTRUE;
258}
259
260void AliAnalysisTaskCTauPbPb::UserExec(Option_t *)
261{
262
263 AliESDEvent *esd=(AliESDEvent *)InputEvent();
264
265 if (!esd) {
266 Printf("ERROR: esd not available");
267 return;
268 }
269
270 fMult->Fill(-100); //event counter
271
272 // Physics selection
273 AliAnalysisManager *mgr= AliAnalysisManager::GetAnalysisManager();
274 AliInputEventHandler *hdr=(AliInputEventHandler*)mgr->GetInputEventHandler();
275 UInt_t maskIsSelected = hdr->IsEventSelected();
276 Bool_t isSelected = (maskIsSelected & AliVEvent::kMB);
277 if (!isSelected) return;
278
279 // Centrality selection
280 AliCentrality *cent=esd->GetCentrality();
281 if (!cent->IsEventInCentralityClass(fCMin,fCMax,"V0M")) return;
282
283 const AliESDVertex *vtx=esd->GetPrimaryVertexSPD();
284 if (!vtx->GetStatus()) {
285 vtx=esd->GetPrimaryVertexTracks();
286 if (!vtx->GetStatus()) return;
287 }
288 Double_t xv=vtx->GetXv(), yv=vtx->GetYv(), zv=vtx->GetZv();
289
290 if (TMath::Abs(zv) > 10.) return ;
291
292 AliPIDResponse *pidResponse = hdr->GetPIDResponse();
293
294 //fMult->Fill(-100); //event counter
295
296 //+++++++ MC
297 AliStack *stack = 0x0;
298 Double_t mcXv=0., mcYv=0., mcZv=0.;
299
300 if (fIsMC) {
301 AliMCEvent *mcEvent = MCEvent();
302 stack = mcEvent->Stack();
303 if (!stack) {
304 Printf("ERROR: stack not available");
305 return;
306 }
307
308 const AliVVertex *mcVtx=mcEvent->GetPrimaryVertex();
309
310 mcXv=mcVtx->GetX(); mcYv=mcVtx->GetY(); mcZv=mcVtx->GetZ();
311
312 Int_t ntrk=stack->GetNtrack(), ntrk0=ntrk;
313 while (ntrk--) {
314 TParticle *p0=stack->Particle(ntrk);
315 Int_t code=p0->GetPdgCode();
316 if (code != kK0Short)
317 if (code != kLambda0) continue;
318
319 Int_t plab=p0->GetFirstDaughter(), nlab=p0->GetLastDaughter();
320 if (nlab==plab) continue;
321 if (nlab<0) continue;
322 if (plab<0) continue;
323 if (nlab>=ntrk0) continue;
324 if (plab>=ntrk0) continue;
325 TParticle *part = stack->Particle(plab);
326 if (!part) continue;
327 TParticlePDG *partPDG = part->GetPDG();
328 if (!partPDG) continue;
329 Double_t charge=partPDG->Charge();
330 if (charge == 0.) continue;
331
332 Double_t pt=p0->Pt();
333 if (pt<pMin) continue;
334 if (TMath::Abs(p0->Y())>yMax) continue;
335
336 Double_t x=p0->Vx(), y=p0->Vy(), z=p0->Vz();
337 Double_t dx=mcXv-x, dy=mcYv-y, dz=mcZv-z;
338 Double_t l=TMath::Sqrt(dx*dx + dy*dy + dz*dz);
339
340 if (l > 0.01) continue; // secondary V0
341
342 x=part->Vx(); y=part->Vy();
343 dx=mcXv-x; dy=mcYv-y;
344 Double_t lt=TMath::Sqrt(dx*dx + dy*dy);
345
346 if (code == kK0Short) {
347 fK0sMC->Fill(pt,lt);
348 }
349 if (code == kLambda0) {
350 fLambdaMC->Fill(pt,lt);
351 }
352 }
353 }
354
355
356 Int_t ntrk=esd->GetNumberOfTracks();
357 Int_t mult=0;
358 Double_t nsig;
359 for (Int_t i=0; i<ntrk; i++) {
360 AliESDtrack *t=esd->GetTrack(i);
361 if (!t->IsOn(AliESDtrack::kTPCrefit)) continue;
362 Float_t xy,z0;
363 t->GetImpactParameters(xy,z0);
364 if (TMath::Abs(xy)>3.) continue;
365 if (TMath::Abs(z0)>3.) continue;
366 Double_t pt=t->Pt(),pz=t->Pz();
367 if (TMath::Abs(pz/pt)>0.8) continue;
368 mult++;
369
370 Double_t p=t->GetInnerParam()->GetP();
371 Double_t dedx=t->GetTPCsignal()/47.;
372 fdEdx->Fill(p,dedx,1);
373
374 nsig=pidResponse->NumberOfSigmasTPC(t,AliPID::kProton);
375 if (TMath::Abs(nsig) < 3.) fdEdxPid->Fill(p,dedx,1);
376
377 }
378 fMult->Fill(mult);
379
380
381 Int_t nv0 = esd->GetNumberOfV0s();
382 while (nv0--) {
383 AliESDv0 *v0=esd->GetV0(nv0);
384
385 if (!AcceptV0(v0,esd)) continue;
386
387 Int_t nidx=TMath::Abs(v0->GetNindex());
388 AliESDtrack *ntrack=esd->GetTrack(nidx);
389 Int_t pidx=TMath::Abs(v0->GetPindex());
390 AliESDtrack *ptrack=esd->GetTrack(pidx);
391
392 Double_t x,y,z; v0->GetXYZ(x,y,z);
393 Double_t dx=x-xv, dy=y-yv;
394 Double_t lt=TMath::Sqrt(dx*dx + dy*dy);
395
396 Double_t pt=v0->Pt();
397
398 Bool_t ctK=kTRUE; if (0.4977*lt/pt > 3*2.68) ctK=kFALSE;
399 Bool_t ctL=kTRUE; if (1.1157*lt/pt > 3*7.89) ctL=kFALSE;
400
401 //+++++++ MC
402 if (stack) {
403 Int_t ntrk=stack->GetNtrack();
404
405 Int_t nlab=TMath::Abs(ntrack->GetLabel());
406 Int_t plab=TMath::Abs(ptrack->GetLabel());
407
408 if (nlab<0) goto noas;
409 if (nlab>=ntrk) goto noas;
410 if (plab<0) goto noas;
411 if (plab>=ntrk) goto noas;
412
413 TParticle *np=stack->Particle(nlab);
414 TParticle *pp=stack->Particle(plab);
415 Int_t i0=pp->GetFirstMother();
416 //if (np->GetFirstMother() != i0) goto noas;
417
418 Int_t in0=np->GetFirstMother();
419 if (in0<0) goto noas;
420 if (in0>=ntrk) goto noas;
421 if (in0 != i0) { // did the negative daughter decay ?
422 TParticle *nnp=stack->Particle(in0);
423 if (nnp->GetFirstMother() != i0) goto noas;
424 }
425
426 if (i0<0) goto noas;
427 if (i0>=ntrk) goto noas;
428 TParticle *p0=stack->Particle(i0);
429
430 Int_t code=p0->GetPdgCode();
431 if (code != kK0Short)
432 if (code != kLambda0) goto noas;
433
434 if (p0->Pt()<pMin) goto noas;
435 if (TMath::Abs(p0->Y())>yMax ) goto noas;
436
437
438 Double_t dz=mcZv - p0->Vz(), dy=mcYv - p0->Vy(), dx=mcXv - p0->Vx();
439 Double_t l = TMath::Sqrt(dx*dx + dy*dy + dz*dz);
440
441 dx = mcXv - pp->Vx(); dy = mcYv - pp->Vy();
442 Double_t ltAs=TMath::Sqrt(dx*dx + dy*dy);
443 Double_t ptAs=p0->Pt();
444
445 if (l > 0.01) { // Secondary V0
446 if (code != kLambda0) goto noas;
447 Int_t nx=p0->GetFirstMother();
448 if (nx<0) goto noas;
449 if (nx>=ntrk) goto noas;
450 TParticle *xi=stack->Particle(nx);
451 Int_t xcode=xi->GetPdgCode();
452 if ( xcode != kXiMinus )
453 if( xcode != 3322 ) goto noas;
454 fLambdaFromXi->Fill(ptAs,ltAs,xi->Pt());
455 } else {
456 if (code == kLambda0) {
457 if (ctL) fLambdaAs->Fill(ptAs,ltAs);
458 } else {
459 if (ctK) fK0sAs->Fill(ptAs,ltAs);
460 }
461 }
462
463 }
464 //++++++++
465
466 noas:
467
468 Double_t dca=v0->GetDcaV0Daughters();
469 Double_t cpa=v0->GetV0CosineOfPointingAngle();
470
471 Double_t mass=0., m=0., s=0.;
472 if (ctK)
473 if (TMath::Abs(v0->RapK0Short())<yMax) {
474 v0->ChangeMassHypothesis(kK0Short);
475
476 mass=v0->GetEffMass();
477 fK0sM->Fill(mass,pt);
478
479 m=TDatabasePDG::Instance()->GetParticle(kK0Short)->Mass();
480 s=0.0044 + (0.008-0.0044)/(10-1)*(pt - 1.);
481 if (TMath::Abs(m-mass) < 3*s) {
482 fK0sSi->Fill(pt,lt);
483 }
484 if (TMath::Abs(m-mass + 4.5*s) < 1.5*s) {
485 fK0sSi->Fill(pt,lt,-1);
486 }
487 if (TMath::Abs(m-mass - 4.5*s) < 1.5*s) {
488 fK0sSi->Fill(pt,lt,-1);
489 }
490 }
491
492 if (ctL)
493 if (TMath::Abs(v0->RapLambda())<yMax) {
494 Double_t p=ptrack->GetInnerParam()->GetP();
495 if (p<1.) {
496 nsig=pidResponse->NumberOfSigmasTPC(ptrack,AliPID::kProton);
497 if (TMath::Abs(nsig) > 3.) continue;
498 }
499 v0->ChangeMassHypothesis(kLambda0);
500
501 mass=v0->GetEffMass();
502 fLambdaM->Fill(mass,pt);
503
504 m=TDatabasePDG::Instance()->GetParticle(kLambda0)->Mass();
505 //s=0.0027 + (0.004-0.0027)/(10-1)*(pt-1);
506 //s=0.0015 + (0.002-0.0015)/(2.6-1)*(pt-1);
507 s=0.0023 + (0.004-0.0023)/(6-1)*(pt-1);
508 if (TMath::Abs(m-mass) < 3*s) {
509 fLambdaSi->Fill(pt,lt);
510 fCPA->Fill(cpa,1);
511 fDCA->Fill(dca,1);
512 }
513 if (TMath::Abs(m-mass + 4.5*s) < 1.5*s) {
514 fLambdaSi->Fill(pt,lt,-1);
515 fCPA->Fill(cpa,-1);
516 fDCA->Fill(dca,-1);
517 }
518 if (TMath::Abs(m-mass - 4.5*s) < 1.5*s) {
519 fLambdaSi->Fill(pt,lt,-1);
520 fCPA->Fill(cpa,-1);
521 fDCA->Fill(dca,-1);
522 }
523 }
524 }
525
526 Double_t kine0;
527 Int_t ncs=esd->GetNumberOfCascades();
528 for (Int_t i=0; i<ncs; i++) {
529 AliESDcascade *cs=esd->GetCascade(i);
530
531 if (TMath::Abs(cs->RapXi()) > yMax) continue;
532 if (!AcceptCascade(cs,esd)) continue;
533
534 AliESDv0 *v0 = (AliESDv0*)cs;
535 if (TMath::Abs(v0->RapLambda()) > yMax) continue;
536 if (!AcceptV0(v0,esd)) continue;
537
538 Double_t pt=cs->Pt();
539
540 Int_t charge=cs->Charge();
541 if (charge < 0) {
542 Int_t pidx=TMath::Abs(v0->GetPindex());
543 AliESDtrack *ptrack=esd->GetTrack(pidx);
544 Double_t p=ptrack->GetInnerParam()->GetP();
545 if (p<1.) {
546 nsig=pidResponse->NumberOfSigmasTPC(ptrack,AliPID::kProton);
547 if (TMath::Abs(nsig) > 3.) continue;
548 }
549 cs->ChangeMassHypothesis(kine0,kXiMinus);
550 Double_t mass=cs->GetEffMassXi();
551 pt=cs->Pt();
552 fXiM->Fill(mass,pt);
553 Double_t m=TDatabasePDG::Instance()->GetParticle(kXiMinus)->Mass();
554 //Double_t s=0.0037;
555 Double_t s=0.002 + (0.0032-0.002)/(6-1.5)*(pt-1.5);
556 if (TMath::Abs(m-mass) < 3*s) {
557 fXiSiP->Fill(pt);
558 }
559 if (TMath::Abs(m-mass + 4.5*s) < 1.5*s) {
560 fXiSiP->Fill(pt,-1);
561 }
562 if (TMath::Abs(m-mass - 4.5*s) < 1.5*s) {
563 fXiSiP->Fill(pt,-1);
564 }
565 }
566 }
567
568}
569
570void AliAnalysisTaskCTauPbPb::Terminate(Option_t *)
571{
572 // The Terminate() function is the last function to be called during
573 // a query. It always runs on the client, it can be used to present
574 // the results graphically or save the results to file.
575
576 fOutput=(TList*)GetOutputData(1);
577 if (!fOutput) {
578 Printf("ERROR: fOutput not available");
579 return;
580 }
581
582 fMult = dynamic_cast<TH1F*>(fOutput->FindObject("fMult")) ;
583 if (!fMult) {
584 Printf("ERROR: fMult not available");
585 return;
586 }
587
588 fdEdx = dynamic_cast<TH2F*>(fOutput->FindObject("fdEdx")) ;
589 if (!fdEdx) {
590 Printf("ERROR: fdEdx not available");
591 return;
592 }
593
594 fdEdxPid = dynamic_cast<TH2F*>(fOutput->FindObject("fdEdxPid")) ;
595 if (!fdEdxPid) {
596 Printf("ERROR: fdEdxPid not available");
597 return;
598 }
599
600
601 fK0sMC = dynamic_cast<TH2F*>(fOutput->FindObject("fK0sMC")) ;
602 if (!fK0sMC) {
603 Printf("ERROR: fK0sMC not available");
604 return;
605 }
606 TH1D *k0sMcPx=fK0sMC->ProjectionX(); k0sMcPx->Sumw2();
607 fK0sAs = dynamic_cast<TH2F*>(fOutput->FindObject("fK0sAs")) ;
608 if (!fK0sAs) {
609 Printf("ERROR: fK0sAs not available");
610 return;
611 }
612 TH1D *k0sAsPx=fK0sAs->ProjectionX();
613 k0sAsPx->Sumw2(); //k0sAsPx->Scale(0.69);
614
615
616
617 fLambdaFromXi = dynamic_cast<TH3F*>(fOutput->FindObject("fLambdaFromXi")) ;
618 if (!fLambdaFromXi) {
619 Printf("ERROR: fLambdaFromXi not available");
620 return;
621 }
622 TH1D *lambdaFromXiPx=fLambdaFromXi->ProjectionX(); lambdaFromXiPx->Sumw2();
623
624
625 fLambdaMC = dynamic_cast<TH2F*>(fOutput->FindObject("fLambdaMC")) ;
626 if (!fLambdaMC) {
627 Printf("ERROR: fLambdaMC not available");
628 return;
629 }
630 TH1D *lambdaMcPx=fLambdaMC->ProjectionX(); lambdaMcPx->Sumw2();
631
632 fLambdaAs = dynamic_cast<TH2F*>(fOutput->FindObject("fLambdaAs")) ;
633 if (!fLambdaAs) {
634 Printf("ERROR: fLambdaAs not available");
635 return;
636 }
637 TH1D *lambdaAsPx=fLambdaAs->ProjectionX();
638 lambdaAsPx->Sumw2(); //lambdaAsPx->Scale(0.64);
639
640 fLambdaSi = dynamic_cast<TH2F*>(fOutput->FindObject("fLambdaSi")) ;
641 if (!fLambdaSi) {
642 Printf("ERROR: fLambdaSi not available");
643 return;
644 }
645 TH1D *lambdaSiPx=fLambdaSi->ProjectionX();
646 lambdaSiPx->SetName("fLambdaPt");
647 lambdaSiPx->Sumw2();
648
649 fLambdaEff = dynamic_cast<TH1D*>(fOutput->FindObject("fLambdaEff")) ;
650 if (!fLambdaEff) {
651 Printf("ERROR: fLambdaEff not available");
652 return;
653 }
654 fLambdaPt = dynamic_cast<TH1D*>(fOutput->FindObject("fLambdaPt")) ;
655 if (!fLambdaPt) {
656 Printf("ERROR: fLambdaPt not available");
657 return;
658 }
659
660
661 if (!gROOT->IsBatch()) {
662
663 TCanvas *c1 = new TCanvas("c1","Mulitplicity");
664 c1->SetLogy();
665 fMult->DrawCopy() ;
666
667 new TCanvas("c2","dE/dx");
668 fdEdx->DrawCopy() ;
669
670 new TCanvas("c3","dE/dx with PID");
671 fdEdxPid->DrawCopy() ;
672
673 if (fIsMC) {
674 /*
675 TH1D effK(*k0sAsPx); effK.SetTitle("Efficiency for K0s");
676 effK.Divide(k0sAsPx,k0sMcPx,1,1,"b");
677 new TCanvas("c4","Efficiency for K0s");
678 effK.DrawCopy("E") ;
679 */
680
681 fLambdaEff->Divide(lambdaAsPx,lambdaMcPx,1,1,"b");
682 new TCanvas("c5","Efficiency for #Lambda");
683 fLambdaEff->DrawCopy("E") ;
684
685 lambdaSiPx->Add(lambdaFromXiPx,-1);
686 lambdaSiPx->Divide(fLambdaEff);
687
688 new TCanvas("c6","Corrected #Lambda pt");
689 lambdaSiPx->SetTitle("Corrected #Lambda pt");
690 *fLambdaPt = *lambdaSiPx;
691 fLambdaPt->SetLineColor(2);
692 fLambdaPt->DrawCopy("E");
693
694 lambdaMcPx->DrawCopy("same");
695
696 } else {
697 new TCanvas("c6","Raw #Lambda pt");
698 lambdaSiPx->SetTitle("Raw #Lambda pt");
699 *fLambdaPt = *lambdaSiPx;
700 fLambdaPt->SetLineColor(2);
701 fLambdaPt->DrawCopy("E");
702 }
703 }
704}