1 /**************************************************************************
2 * Copyright(c) 1998-2010, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
18 /////////////////////////////////////////////////////////////
20 // Class for cuts on AOD reconstructed Lc->V0+X
22 // Modified by A.De Caro - decaro@sa.infn.it
24 /////////////////////////////////////////////////////////////
26 #include <Riostream.h>
28 #include <TDatabasePDG.h>
31 #include "AliAnalysisManager.h"
32 #include "AliInputEventHandler.h"
33 #include "AliPIDResponse.h"
34 #include "AliRDHFCutsLctoV0.h"
35 #include "AliAODRecoCascadeHF.h"
36 #include "AliAODTrack.h"
37 #include "AliESDtrack.h"
38 #include "AliESDVertex.h"
39 #include "AliAODVertex.h"
46 ClassImp(AliRDHFCutsLctoV0)
48 //--------------------------------------------------------------------------
49 AliRDHFCutsLctoV0::AliRDHFCutsLctoV0(const char* name, Short_t /*v0channel*/) :
58 // Default Constructor
63 TString varNames[nvars]={"Lc inv. mass if K0S [GeV/c2]", // 0
64 "Lc inv. mass if Lambda [GeV/c2]", // 1
65 "K0S inv. mass [GeV/c2]", // 2
66 "Lambda/LambdaBar inv. mass[GeV/c2]", // 3
67 "pT min bachelor track [GeV/c]", // 4
68 "pT min V0-positive track [GeV/c]", // 5
69 "pT min V0-negative track [GeV/c]", // 6
70 "dca cascade (prong-to-prong) cut [cm]", // 7
71 "dca V0 (prong-to-prong) cut [number of sigmas]", // 8
72 "V0 cosPA min wrt PV", // 9
73 "d0 max bachelor wrt PV [cm]", // 10
74 "d0 max V0 wrt PV [cm]", // 11
75 "mass K0S veto [GeV/c2]", // 12
76 "mass Lambda/LambdaBar veto [GeV/c2]", // 13
77 "mass Gamma veto [GeV/c2]", // 14
78 "pT min V0 track [GeV/c]", // 15
82 Bool_t isUpperCut[nvars]={kTRUE, // 0
100 SetVarNames(nvars,varNames,isUpperCut);
101 Bool_t forOpt[nvars]={kFALSE, // 0
119 SetVarsForOpt(nvars,forOpt);
121 Float_t limits[2]={0,999999999.};
139 //--------------------------------------------------------------------------
140 AliRDHFCutsLctoV0::AliRDHFCutsLctoV0(const AliRDHFCutsLctoV0 &source) :
142 fPidSelectionFlag(source.fPidSelectionFlag),
144 fV0Type(source.fV0Type),
145 fHighPtCut(source.fHighPtCut),
146 fLowPtCut(source.fLowPtCut)
147 /*fV0channel(source.fV0channel)*/
153 if (source.fV0daughtersCuts) AddTrackCutsV0daughters(source.fV0daughtersCuts);
154 else fV0daughtersCuts = new AliESDtrackCuts();
157 //--------------------------------------------------------------------------
158 AliRDHFCutsLctoV0 &AliRDHFCutsLctoV0::operator=(const AliRDHFCutsLctoV0 &source)
161 // assignment operator
164 if (this != &source) {
166 AliRDHFCuts::operator=(source);
167 fPidSelectionFlag = source.fPidSelectionFlag;
169 delete fV0daughtersCuts;
170 fV0daughtersCuts = new AliESDtrackCuts(*(source.fV0daughtersCuts));
172 fV0Type = source.fV0Type;
174 fHighPtCut = source.fHighPtCut;
175 fLowPtCut = source.fLowPtCut;
183 //---------------------------------------------------------------------------
184 AliRDHFCutsLctoV0::~AliRDHFCutsLctoV0() {
186 // Default Destructor
189 if (fV0daughtersCuts) {
190 delete fV0daughtersCuts;
196 //---------------------------------------------------------------------------
197 void AliRDHFCutsLctoV0::GetCutVarsForOpt(AliAODRecoDecayHF *d,Float_t *vars,Int_t nvars,Int_t *pdgdaughters) {
199 // Fills in vars the values of the variables
202 if (pdgdaughters[0]==-9999) return; // dummy
204 if (nvars!=fnVarsForOpt) {
205 printf("AliRDHFCutsLctoV0::GetCutVarsForOpt: wrong number of variables\n");
209 Double_t mLcPDG = TDatabasePDG::Instance()->GetParticle(4122)->Mass();
210 Double_t mk0sPDG = TDatabasePDG::Instance()->GetParticle(310)->Mass();
211 Double_t mLPDG = TDatabasePDG::Instance()->GetParticle(3122)->Mass();
213 AliAODRecoCascadeHF *dd = (AliAODRecoCascadeHF*)d;
215 // Get the v0 and all daughter tracks
216 AliAODTrack *bachelorTrack = (AliAODTrack*)dd->GetBachelor();
217 AliAODv0 *v0 = (AliAODv0*)dd->Getv0();
218 AliAODTrack *v0positiveTrack = (AliAODTrack*)dd->Getv0PositiveTrack();
219 AliAODTrack *v0negativeTrack = (AliAODTrack*)dd->Getv0NegativeTrack();
222 // cut on cascade mass, if K0S + p
223 if (fVarsForOpt[0]) {
225 vars[iter]=TMath::Abs(dd->InvMassLctoK0sP()-mLcPDG);
227 // cut on cascade mass, if Lambda/LambdaBar + pi
228 if (fVarsForOpt[1]) {
230 vars[iter]=TMath::Abs(dd->InvMassLctoLambdaPi()-mLcPDG);
233 // cut on V0 mass if K0S
234 if (fVarsForOpt[2]) {
236 vars[iter]=TMath::Abs(v0->MassK0Short()-mk0sPDG);
239 // cut on V0 mass if Lambda/LambdaBar
240 if (fVarsForOpt[3]) {
242 if (bachelorTrack->Charge()==1) {
244 vars[iter]=TMath::Abs(v0->MassLambda()-mLPDG);
245 } else if (bachelorTrack->Charge()==-1) {
247 vars[iter]=TMath::Abs(v0->MassAntiLambda()-mLPDG);
252 // cut bachelor min pt
253 if (fVarsForOpt[4]) {
255 vars[iter]=bachelorTrack->Pt();
258 // cut on V0-positive min pt
259 if (fVarsForOpt[5]) {
261 vars[iter]=v0positiveTrack->Pt();
264 // cut on V0-negative min pt
265 if (fVarsForOpt[6]) {
267 vars[iter]=v0negativeTrack->Pt();
270 // cut on cascade dca (prong-to-prong)
271 if (fVarsForOpt[7]) {
273 vars[iter]=dd->GetDCA(); // prong-to-prong cascade DCA
276 // cut on V0 dca (prong-to-prong)
277 if (fVarsForOpt[8]) {
279 vars[iter]=v0->GetDCA(); // prong-to-prong V0 DCA
282 // cut on V0 cosPA wrt PV
283 if (fVarsForOpt[9]) {
285 vars[iter]=dd->CosV0PointingAngle(); // cosine of V0 pointing angle wrt primary vertex
288 // cut on bachelor transverse impact parameter wrt PV
289 if (fVarsForOpt[10]) {
291 vars[iter]=dd->Getd0Prong(0); // bachelor transverse impact parameter wrt primary vertex
294 // cut on V0 transverse impact parameter wrt PV
295 if (fVarsForOpt[11]) {
297 vars[iter]=dd->Getd0Prong(1); // V0 transverse impact parameter wrt primary vertex
300 // cut on K0S invariant mass veto
301 if (fVarsForOpt[12]) {
303 vars[iter]=TMath::Abs(v0->MassK0Short()-mk0sPDG); // K0S invariant mass veto
306 // cut on Lambda/LambdaBar invariant mass veto
307 if (fVarsForOpt[13]) {
309 if (bachelorTrack->Charge()==1) {
311 vars[iter]=TMath::Abs(v0->MassLambda()-mLPDG);
312 } else if (bachelorTrack->Charge()==-1) {
314 vars[iter]=TMath::Abs(v0->MassAntiLambda()-mLPDG);
319 // cut on gamma invariant mass veto
320 if (fVarsForOpt[14]) {
322 vars[iter]= v0->InvMass2Prongs(0,1,11,11); // gamma invariant mass veto
327 if (fVarsForOpt[15]) {
329 vars[iter]= v0->Pt(); // V0 pT min
335 //---------------------------------------------------------------------------
336 Int_t AliRDHFCutsLctoV0::IsSelected(TObject* obj,Int_t selectionLevel) {
342 AliFatal("Cut matrice not inizialized. Exit...");
346 AliAODRecoCascadeHF* d = (AliAODRecoCascadeHF*)obj;
348 AliDebug(2,"AliAODRecoCascadeHF null");
352 if (!d->GetSecondaryVtx()) {
353 AliDebug(2,"No secondary vertex for cascade");
357 if (d->GetNDaughters()!=2) {
358 AliDebug(2,Form("No 2 daughters for current cascade (nDaughters=%d)",d->GetNDaughters()));
362 AliAODv0 * v0 = dynamic_cast<AliAODv0*>(d->Getv0());
363 AliAODTrack * bachelorTrack = dynamic_cast<AliAODTrack*>(d->GetBachelor());
364 if (!v0 || !bachelorTrack) {
365 AliDebug(2,"No V0 or no bachelor for current cascade");
369 if (bachelorTrack->GetID()<0) {
370 AliDebug(2,Form("Bachelor has negative ID %d",bachelorTrack->GetID()));
374 if (!v0->GetSecondaryVtx()) {
375 AliDebug(2,"No secondary vertex for V0 by cascade");
379 if (v0->GetNDaughters()!=2) {
380 AliDebug(2,Form("No 2 daughters for V0 of current cascade (onTheFly=%d, nDaughters=%d)",v0->GetOnFlyStatus(),v0->GetNDaughters()));
385 // Get the V0 daughter tracks
386 AliAODTrack *v0positiveTrack = dynamic_cast<AliAODTrack*>(d->Getv0PositiveTrack());
387 AliAODTrack *v0negativeTrack = dynamic_cast<AliAODTrack*>(d->Getv0NegativeTrack());
388 if (!v0positiveTrack || !v0negativeTrack ) {
389 AliDebug(2,"No V0 daughters' objects");
393 if (v0positiveTrack->GetID()<0 || v0negativeTrack->GetID()<0) {
394 AliDebug(2,Form("At least one of V0 daughters has negative ID %d %d",v0positiveTrack->GetID(),v0negativeTrack->GetID()));
398 //if(fUseTrackSelectionWithFilterBits && d->HasBadDaughters()) return 0;
399 if ( fUseTrackSelectionWithFilterBits && !(bachelorTrack->TestFilterMask(BIT(4))) ) {
400 AliDebug(2,"Check on the bachelor FilterBit: no BIT(4). Candidate rejected.");
404 Int_t returnvalueTrack = 7;
406 // selection on daughter tracks
407 if (selectionLevel==AliRDHFCuts::kAll ||
408 selectionLevel==AliRDHFCuts::kTracks) {
410 if (!AreLctoV0DaughtersSelected(d)) return 0;
414 Bool_t okLck0sp=kTRUE, okLcLpi=kTRUE, okLcLBarpi=kTRUE;
416 // selection on candidate
417 if (selectionLevel==AliRDHFCuts::kAll ||
418 selectionLevel==AliRDHFCuts::kCandidate) {
420 Double_t pt = d->Pt();
421 Int_t ptbin = PtBin(pt);
423 Double_t mLcPDG = TDatabasePDG::Instance()->GetParticle(4122)->Mass();
424 Double_t mk0sPDG = TDatabasePDG::Instance()->GetParticle(310)->Mass();
425 Double_t mLPDG = TDatabasePDG::Instance()->GetParticle(3122)->Mass();
428 Double_t mk0s = v0->MassK0Short();
429 Double_t mLck0sp = d->InvMassLctoK0sP();
432 Double_t mlambda = v0->MassLambda();
433 Double_t malambda = v0->MassAntiLambda();
434 Double_t mLcLpi = d->InvMassLctoLambdaPi();
436 Bool_t okK0spipi=kTRUE, okLppi=kTRUE, okLBarpip=kTRUE;
437 Bool_t isNotK0S = kTRUE, isNotLambda = kTRUE, isNotLambdaBar = kTRUE, isNotGamma = kTRUE;
439 // cut on Lc mass with K0S+p hypothesis
440 if (TMath::Abs(mLck0sp-mLcPDG) > fCutsRD[GetGlobalIndex(0,ptbin)]) {
442 AliDebug(4,Form(" cascade mass is %2.2e and does not correspond to Lambda_c into K0S+p cut",mLck0sp));
445 // cuts on the V0 mass: K0S case
446 if (TMath::Abs(mk0s-mk0sPDG) > fCutsRD[GetGlobalIndex(2,ptbin)]) {
448 AliDebug(4,Form(" V0 mass is %2.2e and does not correspond to K0S cut",mk0s));
451 // cut on Lc mass with Lambda+pi hypothesis
452 if (TMath::Abs(mLcLpi-mLcPDG) > fCutsRD[GetGlobalIndex(1,ptbin)]) {
455 AliDebug(4,Form(" cascade mass is %2.2e and does not correspond to Lambda_c into Lambda+pi cut",mLcLpi));
458 // cuts on the V0 mass: Lambda/LambdaBar case
459 //if ( !(bachelorTrack->Charge()==+1 && TMath::Abs(mlambda-mLPDG) <= fCutsRD[GetGlobalIndex(3,ptbin)] ) ) {
460 if ( TMath::Abs(mlambda-mLPDG) > fCutsRD[GetGlobalIndex(3,ptbin)] ) {
462 AliDebug(4,Form(" V0 mass is %2.2e and does not correspond to LambdaBar cut",mlambda));
465 //if ( !(bachelorTrack->Charge()==-1 && TMath::Abs(malambda-mLPDG) <= fCutsRD[GetGlobalIndex(3,ptbin)] ) ) {
466 if ( TMath::Abs(malambda-mLPDG) > fCutsRD[GetGlobalIndex(3,ptbin)] ) {
468 AliDebug(4,Form(" V0 mass is %2.2e and does not correspond to LambdaBar cut",malambda));
471 // cut on K0S invariant mass veto
472 if (TMath::Abs(v0->MassK0Short()-mk0sPDG) < fCutsRD[GetGlobalIndex(12,ptbin)]) { // K0S invariant mass veto
473 AliDebug(4,Form(" veto on K0S invariant mass doesn't pass the cut"));
478 // cut on Lambda/LambdaBar invariant mass veto
479 if (TMath::Abs(v0->MassLambda()-mLPDG) < fCutsRD[GetGlobalIndex(13,ptbin)]) { // Lambda invariant mass veto
480 AliDebug(4,Form(" veto on Lambda invariant mass doesn't pass the cut"));
484 if (TMath::Abs(v0->MassAntiLambda()-mLPDG) < fCutsRD[GetGlobalIndex(13,ptbin)] ) { // LambdaBar invariant mass veto
485 AliDebug(4,Form(" veto on LambdaBar invariant mass doesn't pass the cut"));
486 isNotLambdaBar=kFALSE;
490 // cut on gamma invariant mass veto
491 if (v0->InvMass2Prongs(0,1,11,11) < fCutsRD[GetGlobalIndex(14,ptbin)]) { // K0S invariant mass veto
492 AliDebug(4,Form(" veto on gamma invariant mass doesn't pass the cut"));
497 okLck0sp = okLck0sp && okK0spipi && isNotLambda && isNotLambdaBar && isNotGamma;
498 okLcLpi = okLcLpi && okLppi && isNotK0S && isNotLambdaBar && isNotGamma;
499 okLcLBarpi = okLcLBarpi && okLBarpip && isNotK0S && isNotLambda && isNotGamma;
501 if (!okLck0sp && !okLcLpi && !okLcLBarpi) return 0;
503 // cuts on the minimum pt of the tracks
504 if (TMath::Abs(bachelorTrack->Pt()) < fCutsRD[GetGlobalIndex(4,ptbin)]) {
505 AliDebug(4,Form(" bachelor track Pt=%2.2e > %2.2e",bachelorTrack->Pt(),fCutsRD[GetGlobalIndex(4,ptbin)]));
508 if (TMath::Abs(v0positiveTrack->Pt()) < fCutsRD[GetGlobalIndex(5,ptbin)]) {
509 AliDebug(4,Form(" V0-positive track Pt=%2.2e > %2.2e",v0positiveTrack->Pt(),fCutsRD[GetGlobalIndex(5,ptbin)]));
512 if (TMath::Abs(v0negativeTrack->Pt()) < fCutsRD[GetGlobalIndex(6,ptbin)]) {
513 AliDebug(4,Form(" V0-negative track Pt=%2.2e > %2.2e",v0negativeTrack->Pt(),fCutsRD[GetGlobalIndex(6,ptbin)]));
517 // cut on cascade dca (prong-to-prong)
518 if ( TMath::Abs(d->GetDCA()) > fCutsRD[GetGlobalIndex(7,ptbin)] ) { // prong-to-prong cascade DCA
519 AliDebug(4,Form(" cascade tracks DCA don't pass the cut"));
523 // cut on V0 dca (prong-to-prong)
524 if ( TMath::Abs(v0->GetDCA()) > fCutsRD[GetGlobalIndex(8,ptbin)] ) { // prong-to-prong V0 DCA
525 AliDebug(4,Form(" V0 DCA don't pass the cut"));
529 // cut on V0 cosine of pointing angle wrt PV
530 if (d->CosV0PointingAngle() < fCutsRD[GetGlobalIndex(9,ptbin)]) { // cosine of V0 pointing angle wrt primary vertex
531 AliDebug(4,Form(" V0 cosine of pointing angle doesn't pass the cut"));
535 // cut on bachelor transverse impact parameter wrt PV
536 if (TMath::Abs(d->Getd0Prong(0)) > fCutsRD[GetGlobalIndex(10,ptbin)]) { // bachelor transverse impact parameter wrt PV
537 AliDebug(4,Form(" bachelor transverse impact parameter doesn't pass the cut"));
541 // cut on V0 transverse impact parameter wrt PV
542 if (TMath::Abs(d->Getd0Prong(1)) > fCutsRD[GetGlobalIndex(11,ptbin)]) { // V0 transverse impact parameter wrt PV
543 AliDebug(4,Form(" V0 transverse impact parameter doesn't pass the cut"));
548 if (v0->Pt() < fCutsRD[GetGlobalIndex(15,ptbin)]) { // V0 pT min
549 AliDebug(4,Form(" V0 track Pt=%2.2e > %2.2e",v0->Pt(),fCutsRD[GetGlobalIndex(15,ptbin)]));
555 Int_t returnvalue = okLck0sp+2*okLcLBarpi+4*okLcLpi;
560 3 Lc->K0S + p AND Lc->LambdaBar + pi
562 5 Lc->K0S + p AND Lc->Lambda + pi
563 6 Lc->LambdaBar + pi AND Lc->Lambda + pi
564 7 Lc->K0S + p AND Lc->LambdaBar + pi AND Lc->Lambda + pi
567 Int_t returnvaluePID = 7;
569 // selection on candidate
570 if (selectionLevel==AliRDHFCuts::kAll ||
571 selectionLevel==AliRDHFCuts::kCandidate ||
572 selectionLevel==AliRDHFCuts::kPID )
573 returnvaluePID = IsSelectedPID(d);
575 //if (fUsePID && returnvaluePID==0) return 0;
577 Int_t returnvalueTot = 0;
579 returnvalueTot = CombineCuts(returnvalueTrack,returnvalue,returnvaluePID);
581 returnvalueTot = CombineCuts(returnvalueTrack,returnvalue,7);
583 return returnvalueTot;
586 //---------------------------------------------------------------------------
587 Int_t AliRDHFCutsLctoV0::IsSelectedPID(AliAODRecoDecayHF* obj) {
589 // fPidHF -> PID object for bachelor
591 if (!fUsePID || !obj) {
592 AliDebug(2,"PID selection inactive. Candidate accepted.");
593 return 7; // all hypothesis are valid
596 AliAODRecoCascadeHF *objD = (AliAODRecoCascadeHF*)obj;
598 AliAODTrack *bachelor = (AliAODTrack*)objD->GetBachelor();
599 AliAODTrack *v0Pos = (AliAODTrack*)objD->Getv0PositiveTrack();
600 AliAODTrack *v0Neg = (AliAODTrack*)objD->Getv0NegativeTrack();
602 if (!bachelor || !v0Pos || !v0Neg) return 0;
604 Bool_t okLcK0Sp = kTRUE; // K0S case
605 Bool_t okLcLambdaBarPi = kTRUE; // LambdaBar case
606 Bool_t okLcLambdaPi = kTRUE; // Lambda case
608 CheckPID(bachelor,v0Neg,v0Pos,okLcK0Sp,okLcLambdaBarPi,okLcLambdaPi);
610 Int_t returnvalue = okLcK0Sp+2*okLcLambdaBarPi+4*okLcLambdaPi;
614 //-----------------------
615 void AliRDHFCutsLctoV0::CheckPID(AliAODTrack *bachelor,
616 AliAODTrack * /*v0Neg*/, AliAODTrack * /*v0Pos*/,
617 Bool_t &isBachelorID1, Bool_t &isBachelorID2, Bool_t &isBachelorID4) {
618 // identification strategy
620 Int_t idxIDbyTOF = -1;
621 Int_t idxIDbyTPC = -1;
625 Double_t nTPCsigmas = -999;
626 Double_t nTOFsigmas = -999;
628 Bool_t trackIDByTOF = -1;
629 Bool_t trackIDByTPC = -1;
631 Bool_t dummy = kFALSE;
633 switch (fPidSelectionFlag) {
638 idxIDbyTOF = fPidHF->ApplyPidTOFRaw(bachelor,4);
639 idxIDbyTPC = fPidHF->ApplyPidTPCRaw(bachelor,4);
640 isBachelorID1 = (idxIDbyTOF==4) && (idxIDbyTPC==4); // K0S case
642 idxIDbyTOF = fPidHF->ApplyPidTOFRaw(bachelor,2);
643 idxIDbyTPC = fPidHF->ApplyPidTPCRaw(bachelor,2);
644 isBachelorID2 = (idxIDbyTOF==2) && (idxIDbyTPC==2); // LambdaBar case
646 isBachelorID4 = isBachelorID2; // Lambda case
653 idxIDbyTOF = fPidHF->ApplyPidTOFRaw(bachelor,4);
654 idxIDbyTPC = fPidHF->ApplyPidTPCRaw(bachelor,4);
655 dummy = ( !(fPidHF->CheckTOFPIDStatus(bachelor)) && (idxIDbyTPC==4) &&
656 fPidHF->IsExcluded(bachelor,2,2.,"TPC") && fPidHF->IsExcluded(bachelor,3,2.,"TPC") ); // K0S case
657 isBachelorID1 = ( (idxIDbyTOF==4) || dummy );
659 idxIDbyTOF = fPidHF->ApplyPidTOFRaw(bachelor,2);
660 idxIDbyTPC = fPidHF->ApplyPidTPCRaw(bachelor,2);
661 dummy = ( !(fPidHF->CheckTOFPIDStatus(bachelor)) && (idxIDbyTPC==2) &&
662 fPidHF->IsExcluded(bachelor,3,2.,"TPC") && fPidHF->IsExcluded(bachelor,4,2.,"TPC") ); // LambdaBar case
663 isBachelorID2 = ( (idxIDbyTOF==2) || dummy );
665 isBachelorID4 = isBachelorID2; // Lambda case
673 tofID = fPidHF->GetnSigmaTOF(bachelor,4,nTOFsigmas);
675 tpcID = fPidHF->GetnSigmaTPC(bachelor,4,nTPCsigmas);
676 trackIDByTOF = ( (tofID==1) && ( (bachelor->P()>=fLowPtCut && bachelor->P()<fHighPtCut && TMath::Abs(nTOFsigmas)<3) ||
677 (bachelor->P()>=fHighPtCut && nTOFsigmas>-2 && nTOFsigmas<3) ) );
678 trackIDByTPC = ( (tpcID==1) && ( (bachelor->P()<fLowPtCut && TMath::Abs(nTPCsigmas)<2) ||
679 (bachelor->P()>=fLowPtCut && TMath::Abs(nTPCsigmas)<3) ) );
680 isBachelorID1 = (bachelor->P()<fLowPtCut && trackIDByTPC) || (bachelor->P()>=fLowPtCut && trackIDByTPC && trackIDByTOF); // K0S case
683 tofID = fPidHF->GetnSigmaTOF(bachelor,2,nTOFsigmas);
685 tpcID = fPidHF->GetnSigmaTPC(bachelor,2,nTPCsigmas);
686 trackIDByTOF = ( (tofID==1) && ( (bachelor->P()>=fLowPtCut && bachelor->P()<fHighPtCut && TMath::Abs(nTOFsigmas)<3) ||
687 (bachelor->P()>=fHighPtCut && nTOFsigmas>-2 && nTOFsigmas<3) ) );
688 trackIDByTPC = ( (tpcID==1) && ( (bachelor->P()<fLowPtCut && TMath::Abs(nTPCsigmas)<2) ||
689 (bachelor->P()>=fLowPtCut && TMath::Abs(nTPCsigmas)<3) ) );
690 isBachelorID2 = (bachelor->P()<fLowPtCut && trackIDByTPC) || (bachelor->P()>=fLowPtCut && trackIDByTPC && trackIDByTOF); // LambdaBar case
692 isBachelorID4 = isBachelorID2; // Lambda case
700 tofID = fPidHF->GetnSigmaTOF(bachelor,4,nTOFsigmas);
702 tpcID = fPidHF->GetnSigmaTPC(bachelor,4,nTPCsigmas);
703 trackIDByTOF = ( (tofID==1) && ( (bachelor->P()>=fLowPtCut && bachelor->P()<fHighPtCut && TMath::Abs(nTOFsigmas)<3) ||
704 (bachelor->P()>=fHighPtCut && nTOFsigmas>-2 && nTOFsigmas<3) ) );
705 trackIDByTPC = ( (tpcID==1) && ( (bachelor->P()<fLowPtCut && TMath::Abs(nTPCsigmas)<2) ||
706 (bachelor->P()>=fLowPtCut && bachelor->P()<fHighPtCut && TMath::Abs(nTPCsigmas)<3) ||
707 (bachelor->P()>=fHighPtCut && nTPCsigmas>-3 && nTPCsigmas<2) ) );
708 isBachelorID1 = (bachelor->P()<fLowPtCut && trackIDByTPC) || (bachelor->P()>=fLowPtCut && trackIDByTPC && trackIDByTOF); // K0S case
711 tofID = fPidHF->GetnSigmaTOF(bachelor,2,nTOFsigmas);
713 tpcID = fPidHF->GetnSigmaTPC(bachelor,2,nTPCsigmas);
714 trackIDByTOF = ( (tofID==1) && ( (bachelor->P()>=fLowPtCut && bachelor->P()<fHighPtCut && TMath::Abs(nTOFsigmas)<3) ||
715 (bachelor->P()>=fHighPtCut && nTOFsigmas>-2 && nTOFsigmas<3) ) );
716 trackIDByTPC = ( (tpcID==1) && ( (bachelor->P()<fLowPtCut && TMath::Abs(nTPCsigmas)<2) ||
717 (bachelor->P()>=fLowPtCut && bachelor->P()<fHighPtCut && TMath::Abs(nTPCsigmas)<3) ||
718 (bachelor->P()>=fHighPtCut && nTPCsigmas>-3 && nTPCsigmas<2) ) );
719 isBachelorID2 = (bachelor->P()<fLowPtCut && trackIDByTPC) || (bachelor->P()>=fLowPtCut && trackIDByTPC && trackIDByTOF); // LambdaBar case
721 isBachelorID4 = isBachelorID2; // Lambda case
729 tofID = fPidHF->GetnSigmaTOF(bachelor,4,nTOFsigmas);
731 tpcID = fPidHF->GetnSigmaTPC(bachelor,4,nTPCsigmas);
732 trackIDByTOF = ( (tofID==1) && ( (bachelor->P()>=fLowPtCut && bachelor->P()<fHighPtCut && TMath::Abs(nTOFsigmas)<3) ||
733 (bachelor->P()>=fHighPtCut && nTOFsigmas>-2 && nTOFsigmas<3) ) );
734 trackIDByTPC = ( (tpcID==1) && (TMath::Abs(nTPCsigmas)<2) );
735 isBachelorID1 = ( (bachelor->P()<fLowPtCut && trackIDByTPC) || (bachelor->P()>=fLowPtCut && trackIDByTOF) ); // K0S case
738 tofID = fPidHF->GetnSigmaTOF(bachelor,2,nTOFsigmas);
740 tpcID = fPidHF->GetnSigmaTPC(bachelor,2,nTPCsigmas);
741 trackIDByTOF = ( (tofID==1) && ( (bachelor->P()>=fLowPtCut && bachelor->P()<fHighPtCut && TMath::Abs(nTOFsigmas)<3) ||
742 (bachelor->P()>=fHighPtCut && nTOFsigmas>-2 && nTOFsigmas<3) ) );
743 trackIDByTPC = ( (tpcID==1) && (TMath::Abs(nTPCsigmas)<2) );
744 isBachelorID2 = ( (bachelor->P()<fLowPtCut && trackIDByTPC) || (bachelor->P()>=fLowPtCut && trackIDByTOF) ); // LambdaBar case
746 isBachelorID4 = isBachelorID2; // Lambda case
754 tofID = fPidHF->GetnSigmaTOF(bachelor,4,nTOFsigmas);
756 tpcID = fPidHF->GetnSigmaTPC(bachelor,4,nTPCsigmas);
757 trackIDByTOF = ( (tofID==1) && ( (bachelor->P()>=fLowPtCut && bachelor->P()<fHighPtCut && TMath::Abs(nTOFsigmas)<3) ||
758 (bachelor->P()>=fHighPtCut && nTOFsigmas>-2 && nTOFsigmas<3) ) );
759 trackIDByTPC = ( (tpcID==1) && ( (bachelor->P()<fLowPtCut && TMath::Abs(nTPCsigmas)<2) || (bachelor->P()>=fHighPtCut && !trackIDByTOF && TMath::Abs(nTPCsigmas)<3) ) );
760 isBachelorID1 = (bachelor->P()<fLowPtCut && trackIDByTPC) || (bachelor->P()>=fLowPtCut && bachelor->P()<fHighPtCut && trackIDByTOF) || (bachelor->P()>=fHighPtCut && (trackIDByTOF || trackIDByTPC) ); // K0S case
763 tofID = fPidHF->GetnSigmaTOF(bachelor,2,nTOFsigmas);
765 tpcID = fPidHF->GetnSigmaTPC(bachelor,2,nTPCsigmas);
766 trackIDByTOF = ( (tofID==1) && ( (bachelor->P()>=fLowPtCut && bachelor->P()<fHighPtCut && TMath::Abs(nTOFsigmas)<3) ||
767 (bachelor->P()>=fHighPtCut && nTOFsigmas>-2 && nTOFsigmas<3) ) );
768 trackIDByTPC = ( (tpcID==1) && ( (bachelor->P()<fLowPtCut && TMath::Abs(nTPCsigmas)<2) || (bachelor->P()>=fHighPtCut && !trackIDByTOF && TMath::Abs(nTPCsigmas)<3) ) );
769 isBachelorID2 = (bachelor->P()<fLowPtCut && trackIDByTPC) || (bachelor->P()>=fLowPtCut && bachelor->P()<fHighPtCut && trackIDByTOF) || (bachelor->P()>=fHighPtCut && (trackIDByTOF || trackIDByTPC) ); // LambdaBar case
771 isBachelorID4 = isBachelorID2; // Lambda case
778 Int_t AliRDHFCutsLctoV0::CombineCuts(Int_t returnvalueTrack, Int_t returnvalue, Int_t returnvaluePID) const {
780 // combine track selection, topological cuts and PID
783 Int_t returnvalueTot=returnvalueTrack&returnvalue;
784 returnvalueTot=returnvalueTot&returnvaluePID;
786 return returnvalueTot;
789 //----------------------------------
790 Int_t AliRDHFCutsLctoV0::IsSelectedSingleCut(TObject* obj, Int_t selectionLevel, Int_t cutIndex) {
792 // Apply selection on single cut
796 AliDebug(2,"Cut matrice not inizialized. Exit...");
800 AliAODRecoCascadeHF* d = (AliAODRecoCascadeHF*)obj;
802 AliDebug(2,"AliAODRecoCascadeHF null");
806 if (!d->GetSecondaryVtx()) {
807 AliDebug(2,"No secondary vertex for cascade");
811 if (d->GetNDaughters()!=2) {
812 AliDebug(2,Form("No 2 daughters for current cascade (nDaughters=%d)",d->GetNDaughters()));
816 AliAODv0 * v0 = dynamic_cast<AliAODv0*>(d->Getv0());
817 AliAODTrack * bachelorTrack = dynamic_cast<AliAODTrack*>(d->GetBachelor());
818 if (!v0 || !bachelorTrack) {
819 AliDebug(2,"No V0 or no bachelor for current cascade");
823 if (bachelorTrack->GetID()<0) {
824 AliDebug(2,Form("Bachelor has negative ID %d",bachelorTrack->GetID()));
828 if (!v0->GetSecondaryVtx()) {
829 AliDebug(2,"No secondary vertex for V0 by cascade");
833 if (v0->GetNDaughters()!=2) {
834 AliDebug(2,Form("No 2 daughters for V0 of current cascade (onTheFly=%d, nDaughters=%d)",v0->GetOnFlyStatus(),v0->GetNDaughters()));
839 // Get the V0 daughter tracks
840 AliAODTrack *v0positiveTrack = dynamic_cast<AliAODTrack*>(d->Getv0PositiveTrack());
841 AliAODTrack *v0negativeTrack = dynamic_cast<AliAODTrack*>(d->Getv0NegativeTrack());
842 if (!v0positiveTrack || !v0negativeTrack ) {
843 AliDebug(2,"No V0 daughters' objects");
847 if (v0positiveTrack->GetID()<0 || v0negativeTrack->GetID()<0) {
848 AliDebug(2,Form("At least one of V0 daughters has negative ID %d %d",v0positiveTrack->GetID(),v0negativeTrack->GetID()));
852 //if(fUseTrackSelectionWithFilterBits && d->HasBadDaughters()) return 0;
853 if ( fUseTrackSelectionWithFilterBits && !(bachelorTrack->TestFilterMask(BIT(4))) ) {
854 AliDebug(2,"Check on the bachelor FilterBit: no BIT(4). Candidate rejected.");
859 // selection on daughter tracks
860 if (selectionLevel==AliRDHFCuts::kAll ||
861 selectionLevel==AliRDHFCuts::kTracks) {
863 if (!AreLctoV0DaughtersSelected(d)) return 0;
867 Bool_t okLck0sp=kFALSE, okLcLpi=kFALSE, okLcLBarpi=kFALSE;
869 // selection on candidate
870 if (selectionLevel==AliRDHFCuts::kAll ||
871 selectionLevel==AliRDHFCuts::kCandidate) {
873 Double_t pt = d->Pt();
874 Int_t ptbin = PtBin(pt);
876 Double_t mLcPDG = TDatabasePDG::Instance()->GetParticle(4122)->Mass();
877 Double_t mk0sPDG = TDatabasePDG::Instance()->GetParticle(310)->Mass();
878 Double_t mLPDG = TDatabasePDG::Instance()->GetParticle(3122)->Mass();
881 Double_t mk0s = v0->MassK0Short();
882 Double_t mLck0sp = d->InvMassLctoK0sP();
885 Double_t mlambda = v0->MassLambda();
886 Double_t malambda = v0->MassAntiLambda();
887 Double_t mLcLpi = d->InvMassLctoLambdaPi();
891 // cut on Lc mass with K0S+p hypothesis
892 okLck0sp = TMath::Abs(mLck0sp-mLcPDG)<=fCutsRD[GetGlobalIndex(0,ptbin)];
897 // cut on Lc mass with Lambda+pi hypothesis
899 okLcLpi = TMath::Abs(mLcLpi-mLcPDG)<=fCutsRD[GetGlobalIndex(1,ptbin)];
900 okLcLBarpi = okLcLpi;
903 // cuts on the V0 mass: K0S case
904 okLck0sp = TMath::Abs(mk0s-mk0sPDG)<=fCutsRD[GetGlobalIndex(2,ptbin)];
909 // cuts on the V0 mass: Lambda/LambdaBar case
911 okLcLpi = TMath::Abs(mlambda-mLPDG)<=fCutsRD[GetGlobalIndex(3,ptbin)];
912 //okLcLpi = okLcLpi && (bachelorTrack->Charge()==+1);
913 okLcLBarpi = TMath::Abs(malambda-mLPDG)<=fCutsRD[GetGlobalIndex(3,ptbin)];
914 //okLcLBarpi = okLcLBarpi && (bachelorTrack->Charge()==-1);
917 // cuts on the minimum pt of bachelor
918 okLck0sp = TMath::Abs(bachelorTrack->Pt())>=fCutsRD[GetGlobalIndex(4,ptbin)];
920 okLcLBarpi = okLck0sp;
923 // cuts on the minimum pt of positive V0daughter
924 okLck0sp = TMath::Abs(v0positiveTrack->Pt())>=fCutsRD[GetGlobalIndex(5,ptbin)];
926 okLcLBarpi = okLck0sp;
929 // cuts on the minimum pt of negative V0daughter
930 okLck0sp = TMath::Abs(v0negativeTrack->Pt())>=fCutsRD[GetGlobalIndex(6,ptbin)];
932 okLcLBarpi = okLck0sp;
935 // cut on cascade dca
936 okLck0sp = TMath::Abs(d->GetDCA())<=fCutsRD[GetGlobalIndex(7,ptbin)];
938 okLcLBarpi = okLck0sp;
942 okLck0sp = TMath::Abs(v0->GetDCA())<=fCutsRD[GetGlobalIndex(8,ptbin)];
944 okLcLBarpi = okLck0sp;
947 // cut on V0 cosine of pointing angle wrt PV
948 okLck0sp = d->CosV0PointingAngle()>=fCutsRD[GetGlobalIndex(9,ptbin)];
950 okLcLBarpi = okLck0sp;
953 // cut on bachelor transverse impact parameter wrt PV
954 okLck0sp = TMath::Abs(d->Getd0Prong(0))<=fCutsRD[GetGlobalIndex(10,ptbin)];
956 okLcLBarpi = okLck0sp;
959 // cut on V0 transverse impact parameter wrt PV
960 okLck0sp = TMath::Abs(d->Getd0Prong(1))<=fCutsRD[GetGlobalIndex(11,ptbin)];
962 okLcLBarpi = okLck0sp;
965 // cut on K0S invariant mass veto
966 okLcLpi = TMath::Abs(mk0s-mk0sPDG)>=fCutsRD[GetGlobalIndex(12,ptbin)];
967 okLcLBarpi = TMath::Abs(mk0s-mk0sPDG)>=fCutsRD[GetGlobalIndex(12,ptbin)];
970 // cut on Lambda/LambdaBar invariant mass veto
971 okLck0sp = (TMath::Abs(mlambda-mLPDG)>=fCutsRD[GetGlobalIndex(13,ptbin)] &&
972 TMath::Abs(malambda-mLPDG)>=fCutsRD[GetGlobalIndex(13,ptbin)]);
975 // cut on gamma invariant mass veto
976 okLck0sp = v0->InvMass2Prongs(0,1,11,11)>=fCutsRD[GetGlobalIndex(14,ptbin)];
978 okLcLBarpi = okLck0sp;
982 okLck0sp = v0->Pt()>=fCutsRD[GetGlobalIndex(15,ptbin)];
984 okLcLBarpi = okLck0sp;
989 Int_t returnvalue = okLck0sp+2*okLcLBarpi+4*okLcLpi;
994 3 Lc->K0S + p AND Lc->LambdaBar + pi
996 5 Lc->K0S + p AND Lc->Lambda + pi
997 6 Lc->LambdaBar + pi AND Lc->Lambda + pi
998 7 Lc->K0S + p AND Lc->LambdaBar + pi AND Lc->Lambda + pi
1003 Int_t returnvaluePID = 7;
1006 if (selectionLevel==AliRDHFCuts::kAll ||
1007 selectionLevel==AliRDHFCuts::kCandidate ||
1008 selectionLevel==AliRDHFCuts::kPID )
1009 returnvaluePID = IsSelectedPID(d);
1012 Int_t returnvalueTot = 0;
1014 //returnvalueTot = CombineCuts(returnvalue,returnvaluePID);
1016 returnvalueTot = returnvalue;
1018 return returnvalueTot;
1021 //----------------------------------
1022 void AliRDHFCutsLctoV0::SetStandardCutsPP2010() {
1024 SetName("LctoV0ProductionCuts");
1025 SetTitle("Production cuts for Lc->V0+bachelor analysis");
1027 AliESDtrackCuts* esdTrackCuts=new AliESDtrackCuts();
1028 esdTrackCuts->SetRequireSigmaToVertex(kFALSE);
1030 esdTrackCuts->SetRequireTPCRefit(kTRUE);
1031 esdTrackCuts->SetRequireITSRefit(kTRUE);
1032 esdTrackCuts->SetMinNClustersITS(0);//(4); // default is 5
1033 esdTrackCuts->SetMinNClustersTPC(70);
1034 //esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
1035 // AliESDtrackCuts::kAny);
1036 // default is kBoth, otherwise kAny
1037 esdTrackCuts->SetMinDCAToVertexXY(0.);
1038 esdTrackCuts->SetPtRange(0.3,1.e10);
1039 //esdTrackCuts->SetEtaRange(-0.8,+0.8);
1040 esdTrackCuts->SetAcceptKinkDaughters(kFALSE);
1041 AddTrackCuts(esdTrackCuts);
1042 delete esdTrackCuts;
1046 AliESDtrackCuts* esdTrackCutsV0daughters=new AliESDtrackCuts();
1047 esdTrackCutsV0daughters->SetRequireSigmaToVertex(kFALSE);
1049 esdTrackCutsV0daughters->SetRequireTPCRefit(kTRUE);
1050 esdTrackCutsV0daughters->SetRequireITSRefit(kFALSE);//(kTRUE);
1051 esdTrackCutsV0daughters->SetMinNClustersITS(0);//(4); // default is 5
1052 esdTrackCutsV0daughters->SetMinNClustersTPC(70);
1053 //esdTrackCutsV0daughters->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
1054 // AliESDtrackCuts::kAny);
1055 // default is kBoth, otherwise kAny
1056 esdTrackCutsV0daughters->SetMinDCAToVertexXY(0.);
1057 esdTrackCutsV0daughters->SetPtRange(0.,1.e10);
1058 esdTrackCutsV0daughters->SetAcceptKinkDaughters(kFALSE);
1059 AddTrackCutsV0daughters(esdTrackCutsV0daughters);
1060 delete esdTrackCutsV0daughters;
1061 esdTrackCutsV0daughters=NULL;
1063 const Int_t nptbins=1;
1065 ptbins=new Float_t[nptbins+1];
1067 ptbins[1]=99999999.;
1069 SetPtBins(nptbins+1,ptbins);
1070 SetPtBins(nptbins+1,ptbins);
1072 const Int_t nvars=17;
1074 Float_t** prodcutsval;
1075 prodcutsval=new Float_t*[nvars];
1076 for(Int_t ic=0;ic<nvars;ic++){prodcutsval[ic]=new Float_t[nptbins];}
1077 for(Int_t ipt2=0;ipt2<nptbins;ipt2++){
1078 prodcutsval[0][ipt2]=1.; // inv. mass if K0S [GeV/c2]
1079 prodcutsval[1][ipt2]=1.; // inv. mass if Lambda [GeV/c2]
1080 prodcutsval[2][ipt2]=0.05; // inv. mass V0 if K0S [GeV/c2]
1081 prodcutsval[3][ipt2]=0.05; // inv. mass V0 if Lambda [GeV/c2]
1082 prodcutsval[4][ipt2]=0.3; // pT min bachelor track [GeV/c] // AOD by construction
1083 prodcutsval[5][ipt2]=0.; // pT min V0-positive track [GeV/c]
1084 prodcutsval[6][ipt2]=0.; // pT min V0-negative track [GeV/c]
1085 prodcutsval[7][ipt2]=1000.; // dca cascade cut [cm]
1086 prodcutsval[8][ipt2]=1.5; // dca V0 cut [nSigma] // it's 1.5 x offline V0s
1087 prodcutsval[9][ipt2]=-1.; // cosPA V0 cut // it's 0.90 x offline V0s at reconstruction level, 0.99 at filtering level
1088 prodcutsval[10][ipt2]=3.; // d0 max bachelor wrt PV [cm]
1089 prodcutsval[11][ipt2]=1000.;// d0 max V0 wrt PV [cm]
1090 prodcutsval[12][ipt2]=0.; // mass K0S veto [GeV/c2]
1091 prodcutsval[13][ipt2]=0.; // mass Lambda/LambdaBar veto [GeV/c2]
1092 prodcutsval[14][ipt2]=0.; // mass Gamma veto [GeV/c2]
1093 prodcutsval[15][ipt2]=0.; // pT min V0 track [GeV/c]
1094 prodcutsval[16][ipt2]=0.; // V0 type cut
1096 SetCuts(nvars,nptbins,prodcutsval);
1098 SetGlobalIndex(nvars,nptbins);
1099 SetPtBins(nptbins+1,ptbins);
1103 //1. bachelor: default one
1104 AliAODPidHF* pidObjBachelor = new AliAODPidHF();
1105 Double_t sigmasBac[5]={3.,1.,1.,3.,3.}; // 0, 1(A), 2(A) -> TPC; 3 -> TOF; 4 -> ITS
1106 pidObjBachelor->SetSigma(sigmasBac);
1107 pidObjBachelor->SetAsym(kFALSE);
1108 pidObjBachelor->SetMatch(1);
1109 pidObjBachelor->SetTPC(kTRUE);
1110 pidObjBachelor->SetTOF(kTRUE);
1111 pidObjBachelor->SetTOFdecide(kFALSE);
1112 SetPidHF(pidObjBachelor);
1114 SetUsePID(kFALSE);//(kTRUE);
1118 for(Int_t iiv=0;iiv<nvars;iiv++){
1119 delete [] prodcutsval[iiv];
1121 delete [] prodcutsval;
1127 delete pidObjBachelor;
1128 pidObjBachelor=NULL;
1132 //------------------
1133 void AliRDHFCutsLctoV0::SetStandardCutsPbPb2010() {
1135 SetName("LctoV0ProductionCuts");
1136 SetTitle("Production cuts for Lc->V0+bachelor analysis");
1138 SetStandardCutsPP2010();
1142 //------------------
1143 void AliRDHFCutsLctoV0::SetStandardCutsPbPb2011() {
1145 // Default 2010 PbPb cut object
1146 SetStandardCutsPbPb2010();
1149 // Enable all 2011 PbPb run triggers
1151 SetTriggerClass("");
1152 ResetMaskAndEnableMBTrigger();
1153 EnableCentralTrigger();
1154 EnableSemiCentralTrigger();
1157 //-----------------------
1158 Int_t AliRDHFCutsLctoV0::GetV0Type(){
1160 const Int_t nvars = this->GetNVars() ;
1161 //Float_t *vArray =GetCuts();
1162 //fV0Type = vArray[nvars-1];
1163 fV0Type = (this->GetCuts())[nvars-1];
1164 //this->GetCuts(vArray);
1165 TString *sVarNames=GetVarNames();
1167 if(sVarNames[nvars-1].Contains("V0 type")) return (Int_t)fV0Type;
1168 else {AliInfo("AliRDHFCutsLctoV0 Last variable is not the V0 type!!!"); return -999;}
1171 //---------------------------------------------------------------------------
1172 void AliRDHFCutsLctoV0::PrintAll() const {
1174 // print all cuts values
1177 printf("Minimum vtx type %d\n",fMinVtxType);
1178 printf("Minimum vtx contr %d\n",fMinVtxContr);
1179 printf("Max vtx red chi2 %f\n",fMaxVtxRedChi2);
1180 printf("Min SPD mult %d\n",fMinSPDMultiplicity);
1181 printf("Use PID %d (PID selection flag = %d) OldPid=%d\n",(Int_t)fUsePID,(Int_t)fPidSelectionFlag,fPidHF ? fPidHF->GetOldPid() : -1);
1182 printf("High value for pT %f\n",fHighPtCut);
1183 printf("Low and high values for pT cuts: %f %f\n",fLowPtCut,fHighPtCut);
1184 printf("Remove daughters from vtx %d\n",(Int_t)fRemoveDaughtersFromPrimary);
1185 printf("Recompute primary vertex %d\n",(Int_t)fRecomputePrimVertex);
1186 printf("Physics selection: %s\n",fUsePhysicsSelection ? "Yes" : "No");
1187 printf("Pileup rejection: %s\n",(fOptPileup > 0) ? "Yes" : "No");
1188 printf("UseTrackSelectionWithFilterBits: %s\n",fUseTrackSelectionWithFilterBits ? "Yes" : "No");
1189 printf("Reject kink: %s\n",fKinkReject ? "Yes" : "No");
1190 if(fOptPileup==1) printf(" -- Reject pileup event");
1191 if(fOptPileup==2) printf(" -- Reject tracks from pileup vtx");
1192 if(fUseCentrality>0) {
1193 TString estimator="";
1194 if(fUseCentrality==1) estimator = "V0";
1195 if(fUseCentrality==2) estimator = "Tracks";
1196 if(fUseCentrality==3) estimator = "Tracklets";
1197 if(fUseCentrality==4) estimator = "SPD clusters outer";
1198 printf("Centrality class considered: %.1f-%.1f, estimated with %s",fMinCentrality,fMaxCentrality,estimator.Data());
1200 if(fIsCandTrackSPDFirst) printf("Check for candidates with pt < %2.2f, that daughters fullfill kFirst criteria\n",fMaxPtCandTrackSPDFirst);
1203 cout<<"Array of variables"<<endl;
1204 for(Int_t iv=0;iv<fnVars;iv++){
1205 cout<<fVarNames[iv]<<"\t";
1210 cout<<"Array of optimization"<<endl;
1211 for(Int_t iv=0;iv<fnVars;iv++){
1212 cout<<fVarsForOpt[iv]<<"\t";
1217 cout<<"Array of upper/lower cut"<<endl;
1218 for(Int_t iv=0;iv<fnVars;iv++){
1219 cout<<fIsUpperCut[iv]<<"\t";
1224 cout<<"Array of ptbin limits"<<endl;
1225 for(Int_t ib=0;ib<fnPtBinLimits;ib++){
1226 cout<<fPtBinLimits[ib]<<"\t";
1231 cout<<"Matrix of cuts"<<endl;
1232 for(Int_t iv=0;iv<fnVars;iv++){
1233 for(Int_t ib=0;ib<fnPtBins;ib++){
1234 cout<<"fCutsRD["<<iv<<"]["<<ib<<"] = "<<fCutsRD[GetGlobalIndex(iv,ib)]<<"\t";
1242 Float_t eta1=0, eta2=0; fTrackCuts->GetEtaRange(eta1,eta2);
1243 cout << " etaRange for Bachelor: [" << eta1 << "," << eta2 << "]\n";
1245 if (fV0daughtersCuts) {
1246 Float_t eta3=0, eta4=0; fV0daughtersCuts->GetEtaRange(eta3,eta4);
1247 cout << " etaRange for V0daughters: [" << eta3 << "," << eta4 << "]\n";
1253 //-------------------------
1254 Bool_t AliRDHFCutsLctoV0::IsInFiducialAcceptance(Double_t pt, Double_t y) const
1258 // Checking if Lc is in fiducial acceptance region
1262 if(fMaxRapidityCand>-998.){
1263 if(TMath::Abs(y) > fMaxRapidityCand) return kFALSE;
1268 // applying cut for pt > 5 GeV
1269 AliDebug(2,Form("pt of Lambda_c = %f (> 5), cutting at |y| < 0.8",pt));
1270 if (TMath::Abs(y) > 0.8) return kFALSE;
1273 // appliying smooth cut for pt < 5 GeV
1274 Double_t maxFiducialY = -0.2/15*pt*pt+1.9/15*pt+0.5;
1275 Double_t minFiducialY = 0.2/15*pt*pt-1.9/15*pt-0.5;
1276 AliDebug(2,Form("pt of Lambda_c = %f (< 5), cutting according to the fiducial zone [%f, %f]\n",pt,minFiducialY,maxFiducialY));
1277 if (y < minFiducialY || y > maxFiducialY) return kFALSE;
1282 //---------------------------------------------------------------------------
1283 Bool_t AliRDHFCutsLctoV0::AreLctoV0DaughtersSelected(AliAODRecoDecayHF *dd) const{
1285 // Daughter tracks selection
1288 AliAODRecoCascadeHF* d = (AliAODRecoCascadeHF*)dd;
1290 AliDebug(2,"AliAODRecoCascadeHF null");
1295 AliFatal("Cut object is not defined for bachelor. Candidate accepted.");
1299 AliAODTrack * bachelorTrack = dynamic_cast<AliAODTrack*>(d->GetBachelor());
1300 if (!bachelorTrack) return kFALSE;
1302 if (fIsCandTrackSPDFirst && d->Pt()<fMaxPtCandTrackSPDFirst) {
1303 if(!bachelorTrack->HasPointOnITSLayer(0)) return kFALSE;
1306 if (fKinkReject != (!(fTrackCuts->GetAcceptKinkDaughters())) ) {
1307 AliError(Form("Not compatible setting: fKinkReject=%1d - fTrackCuts->GetAcceptKinkDaughters()=%1d",fKinkReject, fTrackCuts->GetAcceptKinkDaughters()));
1311 AliAODVertex *vAOD = d->GetPrimaryVtx();
1312 Double_t pos[3]; vAOD->GetXYZ(pos);
1313 Double_t cov[6]; vAOD->GetCovarianceMatrix(cov);
1314 const AliESDVertex vESD(pos,cov,100.,100);
1316 if (!IsDaughterSelected(bachelorTrack,&vESD,fTrackCuts)) return kFALSE;
1318 if (!fV0daughtersCuts) {
1319 AliFatal("Cut object is not defined for V0daughters. Candidate accepted.");
1323 AliAODv0 * v0 = dynamic_cast<AliAODv0*>(d->Getv0());
1324 if (!v0) return kFALSE;
1325 AliAODTrack *v0positiveTrack = dynamic_cast<AliAODTrack*>(d->Getv0PositiveTrack());
1326 if (!v0positiveTrack) return kFALSE;
1327 AliAODTrack *v0negativeTrack = dynamic_cast<AliAODTrack*>(d->Getv0NegativeTrack());
1328 if (!v0negativeTrack) return kFALSE;
1331 Float_t etaMin=0, etaMax=0; fV0daughtersCuts->GetEtaRange(etaMin,etaMax);
1332 if ( (v0positiveTrack->Eta()<=etaMin || v0positiveTrack->Eta()>=etaMax) ||
1333 (v0negativeTrack->Eta()<=etaMin || v0negativeTrack->Eta()>=etaMax) ) return kFALSE;
1334 Float_t ptMin=0, ptMax=0; fV0daughtersCuts->GetPtRange(ptMin,ptMax);
1335 if ( (v0positiveTrack->Pt()<=ptMin || v0positiveTrack->Pt()>=ptMax) ||
1336 (v0negativeTrack->Pt()<=ptMin || v0negativeTrack->Pt()>=ptMax) ) return kFALSE;
1338 // Condition on nTPCclusters
1339 if (fV0daughtersCuts->GetMinNClusterTPC()>0) {
1340 if ( ( ( v0positiveTrack->GetTPCClusterInfo(2,1) ) < fV0daughtersCuts->GetMinNClusterTPC() ) ||
1341 ( ( v0negativeTrack->GetTPCClusterInfo(2,1) ) < fV0daughtersCuts->GetMinNClusterTPC() ) ) return kFALSE;
1345 if (v0->GetOnFlyStatus()==kFALSE) { // only for offline V0s
1346 if (fV0daughtersCuts->GetRequireTPCRefit()) {
1347 if( !(v0positiveTrack->GetStatus() & AliESDtrack::kTPCrefit)) return kFALSE;
1348 if( !(v0negativeTrack->GetStatus() & AliESDtrack::kTPCrefit)) return kFALSE;
1352 if (!fV0daughtersCuts->GetAcceptKinkDaughters()) {
1353 AliAODVertex *maybeKinkPos = (AliAODVertex*)v0positiveTrack->GetProdVertex();
1354 AliAODVertex *maybeKinkNeg = (AliAODVertex*)v0negativeTrack->GetProdVertex();
1355 if (maybeKinkPos->GetType()==AliAODVertex::kKink ||
1356 maybeKinkNeg->GetType()==AliAODVertex::kKink) return kFALSE;
1358 // Findable clusters > 0 condition - from V0 analysis
1359 //if( v0positiveTrack->GetTPCNclsF()<=0 || v0negativeTrack->GetTPCNclsF()<=0 ) return kFALSE;
1361 Float_t lPosTrackCrossedRows = v0positiveTrack->GetTPCClusterInfo(2,1);
1362 Float_t lNegTrackCrossedRows = v0positiveTrack->GetTPCClusterInfo(2,1);
1363 fTreeVariableLeastNbrCrossedRows = (Int_t) lPosTrackCrossedRows;
1364 if( lNegTrackCrossedRows < fTreeVariableLeastNbrCrossedRows )
1365 fTreeVariableLeastNbrCrossedRows = (Int_t) lNegTrackCrossedRows;
1366 //Compute ratio Crossed Rows / Findable clusters
1367 //Note: above test avoids division by zero!
1368 Float_t lPosTrackCrossedRowsOverFindable = lPosTrackCrossedRows / ((double)(pTrack->GetTPCNclsF()));
1369 Float_t lNegTrackCrossedRowsOverFindable = lNegTrackCrossedRows / ((double)(nTrack->GetTPCNclsF()));
1370 fTreeVariableLeastRatioCrossedRowsOverFindable = lPosTrackCrossedRowsOverFindable;
1371 if( lNegTrackCrossedRowsOverFindable < fTreeVariableLeastRatioCrossedRowsOverFindable )
1372 fTreeVariableLeastRatioCrossedRowsOverFindable = lNegTrackCrossedRowsOverFindable;
1373 //Lowest Cut Level for Ratio Crossed Rows / Findable = 0.8, set here
1374 if ( fTreeVariableLeastRatioCrossedRowsOverFindable < 0.8 ) return kFALSE;