Skip to content

Commit 69de705

Browse files
Oussama3030Oussama3030
committed
Some additional histograms and added TPC selection
1 parent f8b07da commit 69de705

2 files changed

Lines changed: 67 additions & 4 deletions

File tree

‎PWGLF/TableProducer/Strangeness/sigma0builder.cxx‎

Lines changed: 10 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -286,6 +286,7 @@ struct sigma0builder {
286286
Configurable<bool> KShortRejectPosITSafterburner{"KShortRejectPosITSafterburner", false, "reject positive track formed out of afterburner ITS tracks"};
287287
Configurable<bool> KShortRejectNegITSafterburner{"KShortRejectNegITSafterburner", false, "reject negative track formed out of afterburner ITS tracks"};
288288
Configurable<float> KShortArmenterosCoefficient{"KShortArmenterosCoefficient", 0.2, "Armenteros-Podolanski coefficient to reject lambdas"};
289+
Configurable<float> KShortMaxTPCNSigmas{"KShortMaxTPCNSigmas", 1e+9, "Max |TPC NSigma| (pion hypothesis) for K0S daughters"};
289290
} kshortSelections;
290291

291292
// KStar criteria:
@@ -477,8 +478,9 @@ struct sigma0builder {
477478
histos.get<TH1>(HIST("PhotonSel/hSelectionStatistics"))->GetXaxis()->SetBinLabel(9, "Z");
478479
histos.get<TH1>(HIST("PhotonSel/hSelectionStatistics"))->GetXaxis()->SetBinLabel(10, "CosPA");
479480
histos.get<TH1>(HIST("PhotonSel/hSelectionStatistics"))->GetXaxis()->SetBinLabel(11, "Phi");
480-
histos.get<TH1>(HIST("PhotonSel/hSelectionStatistics"))->GetXaxis()->SetBinLabel(12, "TPCCR");
481-
histos.get<TH1>(HIST("PhotonSel/hSelectionStatistics"))->GetXaxis()->SetBinLabel(13, "TPC NSigma");
481+
histos.get<TH1>(HIST("PhotonSel/hSelectionStatistics"))->GetXaxis()->SetBinLabel(12, "Armenteros");
482+
histos.get<TH1>(HIST("PhotonSel/hSelectionStatistics"))->GetXaxis()->SetBinLabel(13, "TPCCR");
483+
histos.get<TH1>(HIST("PhotonSel/hSelectionStatistics"))->GetXaxis()->SetBinLabel(14, "TPC NSigma");
482484

483485
if (doprocessPCMVsEMCalQA) {
484486
histos.add("EMCalPhotonSel/hSelectionStatistics", "hSelectionStatistics", kTH1D, {axisConfig.axisCandSel});
@@ -545,6 +547,7 @@ struct sigma0builder {
545547
histos.get<TH1>(HIST("KShortSel/hSelectionStatistics"))->GetXaxis()->SetBinLabel(12, "TPCCR");
546548
histos.get<TH1>(HIST("KShortSel/hSelectionStatistics"))->GetXaxis()->SetBinLabel(13, "ITSNCls");
547549
histos.get<TH1>(HIST("KShortSel/hSelectionStatistics"))->GetXaxis()->SetBinLabel(14, "Lifetime");
550+
histos.get<TH1>(HIST("KShortSel/hSelectionStatistics"))->GetXaxis()->SetBinLabel(15, "TPC NSigma");
548551

549552
if (doprocessRealData || doprocessRealDataWithTOF || doprocessRealDataWithEMCal || doprocessMonteCarlo || doprocessMonteCarloWithTOF || doprocessMonteCarloWithEMCal) {
550553
histos.add("SigmaSel/hSigma0DauDeltaIndex", "hSigma0DauDeltaIndex", kTH1F, {{100, -49.5f, 50.5f}});
@@ -2206,6 +2209,11 @@ struct sigma0builder {
22062209
return false;
22072210

22082211
histos.fill(HIST("KShortSel/hSelectionStatistics"), 14.);
2212+
if (((TMath::Abs(posTrackKShort.tpcNSigmaPi()) > kshortSelections.KShortMaxTPCNSigmas) ||
2213+
(TMath::Abs(negTrackKShort.tpcNSigmaPi()) > kshortSelections.KShortMaxTPCNSigmas)))
2214+
return false;
2215+
2216+
histos.fill(HIST("KShortSel/hSelectionStatistics"), 15.);
22092217
}
22102218
return true;
22112219
}

‎PWGLF/Tasks/Resonances/k892hadronphotonBkg.cxx‎

Lines changed: 57 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -62,6 +62,13 @@ using std::array;
6262
using dauTracks = soa::Join<aod::DauTrackExtras, aod::DauTrackTPCPIDs>;
6363
using V0StandardDerivedDatas = soa::Join<aod::V0Cores, aod::V0CollRefs, aod::V0Extras, aod::V0LambdaMLScores, aod::V0AntiLambdaMLScores, aod::V0GammaMLScores>;
6464

65+
static const std::vector<std::string> photonSels = {"No Sel", "Mass", "Y", "Neg Eta", "Pos Eta",
66+
"DCAToPV", "DCADau", "Radius", "Z", "CosPA",
67+
"Phi", "Qt", "Alpha", "TPCCR", "TPC NSigma"};
68+
static const std::vector<std::string> kshortSels = {"No Sel", "Mass", "Y", "Neg Eta", "Pos Eta",
69+
"DCAToPV", "Radius", "Z", "DCADau", "Armenteros",
70+
"CosPA", "TPCCR", "ITSNCls", "Lifetime", "TPC NSigma"};
71+
6572
struct k892hadronphotonBkg {
6673
Service<o2::ccdb::BasicCCDBManager> ccdb;
6774
ctpRateFetcher rateFetcher;
@@ -175,6 +182,7 @@ struct k892hadronphotonBkg {
175182
Configurable<bool> kshortRejectPosITSafterburner{"kshortRejectPosITSafterburner", false, "reject positive track formed out of afterburner ITS tracks"};
176183
Configurable<bool> kshortRejectNegITSafterburner{"kshortRejectNegITSafterburner", false, "reject negative track formed out of afterburner ITS tracks"};
177184
Configurable<float> kshortArmenterosCoefficient{"kshortArmenterosCoefficient", 0.2, "Armenteros-Podolanski coefficient to reject lambdas"};
185+
Configurable<float> kshortMaxTPCNSigmas{"kshortMaxTPCNSigmas", 1e+9, "Max |TPC NSigma| (pion hypothesis) for K0S daughters"};
178186
} kshortSelections;
179187

180188
struct : ConfigurableGroup {
@@ -184,6 +192,7 @@ struct k892hadronphotonBkg {
184192
ConfigurableAxis axisCentrality{"axisCentrality", {VARIABLE_WIDTH, 0.0f, 5.0f, 10.0f, 20.0f, 30.0f, 40.0f, 50.0f, 60.0f, 70.0f, 80.0f, 90.0f, 100.0f, 110.0f}, "Centrality"};
185193
ConfigurableAxis axisKStarMass{"axisKStarMass", {500, 0.6f, 1.6f}, "M_{K^{*}} (GeV/c^{2})"};
186194
ConfigurableAxis axisIRBinning{"axisIRBinning", {151, -10, 1500}, "Binning for the interaction rate (kHz)"};
195+
ConfigurableAxis axisCandSel{"axisCandSel", {15, 0.5f, +15.5f}, "Candidate Selection"};
187196
} axisConfig;
188197

189198
void init(InitContext const&)
@@ -230,6 +239,15 @@ struct k892hadronphotonBkg {
230239
}
231240
}
232241

242+
// Single-particle selection
243+
histos.add("PhotonSel/hSelectionStatistics", "hSelectionStatistics", kTH1D, {axisConfig.axisCandSel});
244+
for (size_t i = 0; i < photonSels.size(); ++i)
245+
histos.get<TH1>(HIST("PhotonSel/hSelectionStatistics"))->GetXaxis()->SetBinLabel(i + 1, photonSels[i].c_str());
246+
247+
histos.add("KShortSel/hSelectionStatistics", "hSelectionStatistics", kTH1D, {axisConfig.axisCandSel});
248+
for (size_t i = 0; i < kshortSels.size(); ++i)
249+
histos.get<TH1>(HIST("KShortSel/hSelectionStatistics"))->GetXaxis()->SetBinLabel(i + 1, kshortSels[i].c_str());
250+
233251
if (kstarBkgConfig.doSameEvtRotation || kstarBkgConfig.doEvtMixing) {
234252
histos.add("KStarBkg/hDeltaCollision", "hDeltaCollision", kTH1D, {{2000, -1000.f, 1000.f}});
235253
histos.add("KStarBkg/h2dCentralityCollPair", "h2dCentralityCollPair", kTH2D, {axisConfig.axisCentrality, axisConfig.axisCentrality});
@@ -385,7 +403,7 @@ struct k892hadronphotonBkg {
385403
}
386404

387405
//_______________________________________________
388-
// Process v0 photon candidate (data only, no QA fills)
406+
// Process v0 photon candidate
389407
template <typename TV0Object>
390408
bool processPhotonCandidate(TV0Object const& gamma)
391409
{
@@ -402,61 +420,77 @@ struct k892hadronphotonBkg {
402420
} else {
403421
// Standard selection
404422
// Gamma basic selection criteria:
423+
histos.fill(HIST("PhotonSel/hSelectionStatistics"), 1.);
405424
if ((gamma.mGamma() < 0) || (gamma.mGamma() > photonSelections.photonMaxMass))
406425
return false;
407426

427+
histos.fill(HIST("PhotonSel/hSelectionStatistics"), 2.);
408428
if ((photonY < photonSelections.photonMinRapidity) || (photonY > photonSelections.photonMaxRapidity))
409429
return false;
410430

431+
histos.fill(HIST("PhotonSel/hSelectionStatistics"), 3.);
411432
if (gamma.negativeeta() < photonSelections.photonDauEtaMin || gamma.negativeeta() > photonSelections.photonDauEtaMax)
412433
return false;
413434

435+
histos.fill(HIST("PhotonSel/hSelectionStatistics"), 4.);
414436
if (gamma.positiveeta() < photonSelections.photonDauEtaMin || gamma.positiveeta() > photonSelections.photonDauEtaMax)
415437
return false;
416438

439+
histos.fill(HIST("PhotonSel/hSelectionStatistics"), 5.);
417440
if ((TMath::Abs(gamma.dcapostopv()) < photonSelections.photonMinDCADauToPv) || (TMath::Abs(gamma.dcanegtopv()) < photonSelections.photonMinDCADauToPv))
418441
return false;
419442

443+
histos.fill(HIST("PhotonSel/hSelectionStatistics"), 6.);
420444
if (TMath::Abs(gamma.dcaV0daughters()) > photonSelections.photonMaxDCAV0Dau)
421445
return false;
422446

447+
histos.fill(HIST("PhotonSel/hSelectionStatistics"), 7.);
423448
if ((gamma.v0radius() < photonSelections.photonMinRadius) || (gamma.v0radius() > photonSelections.photonMaxRadius))
424449
return false;
425450

451+
histos.fill(HIST("PhotonSel/hSelectionStatistics"), 8.);
426452
if ((gamma.z() < photonSelections.photonMinZ) || (gamma.z() > photonSelections.photonMaxZ))
427453
return false;
428454

455+
histos.fill(HIST("PhotonSel/hSelectionStatistics"), 9.);
429456
if (gamma.v0cosPA() < photonSelections.photonMinV0cospa)
430457
return false;
431458

459+
histos.fill(HIST("PhotonSel/hSelectionStatistics"), 10.);
432460
float photonPhi = RecoDecay::phi(gamma.px(), gamma.py());
433461
if ((((photonPhi > photonSelections.photonPhiMin1) && (photonPhi < photonSelections.photonPhiMax1)) || ((photonPhi > photonSelections.photonPhiMin2) && (photonPhi < photonSelections.photonPhiMax2))) && ((photonSelections.photonPhiMin1 != -1) && (photonSelections.photonPhiMax1 != -1) && (photonSelections.photonPhiMin2 != -1) && (photonSelections.photonPhiMax2 != -1)))
434462
return false;
435463

464+
histos.fill(HIST("PhotonSel/hSelectionStatistics"), 11.);
436465
if (gamma.qtarm() > photonSelections.photonMaxQt)
437466
return false;
438467

468+
histos.fill(HIST("PhotonSel/hSelectionStatistics"), 12.);
439469
if (TMath::Abs(gamma.alpha()) > photonSelections.photonMaxAlpha)
440470
return false;
441471

442472
auto posTrackGamma = gamma.template posTrackExtra_as<dauTracks>();
443473
auto negTrackGamma = gamma.template negTrackExtra_as<dauTracks>();
444474

475+
histos.fill(HIST("PhotonSel/hSelectionStatistics"), 13.);
445476
if ((posTrackGamma.tpcCrossedRows() < photonSelections.photonMinTPCCrossedRows) || (negTrackGamma.tpcCrossedRows() < photonSelections.photonMinTPCCrossedRows))
446477
return false;
447478

479+
histos.fill(HIST("PhotonSel/hSelectionStatistics"), 14.);
448480
if (((posTrackGamma.tpcNSigmaEl() < photonSelections.photonMinTPCNSigmas) || (posTrackGamma.tpcNSigmaEl() > photonSelections.photonMaxTPCNSigmas)))
449481
return false;
450482

451483
if (((negTrackGamma.tpcNSigmaEl() < photonSelections.photonMinTPCNSigmas) || (negTrackGamma.tpcNSigmaEl() > photonSelections.photonMaxTPCNSigmas)))
452484
return false;
485+
486+
histos.fill(HIST("PhotonSel/hSelectionStatistics"), 15.);
453487
}
454488

455489
return true;
456490
}
457491

458492
//_______________________________________________
459-
// Process K0Short candidate (data only, no QA fills)
493+
// Process K0Short candidate
460494
template <typename TV0Object, typename TCollision>
461495
bool processKShortCandidate(TV0Object const& kshort, TCollision const& collision)
462496
{
@@ -470,54 +504,75 @@ struct k892hadronphotonBkg {
470504

471505
} else {
472506
// KShort basic selection criteria:
507+
histos.fill(HIST("KShortSel/hSelectionStatistics"), 1.);
473508
if ((TMath::Abs(kshort.mK0Short() - o2::constants::physics::MassK0Short) > kshortSelections.kshortWindow) && kshortSelections.kshortWindow > 0)
474509
return false;
475510

511+
histos.fill(HIST("KShortSel/hSelectionStatistics"), 2.);
476512
if ((kshort.yK0Short() < kshortSelections.kshortMinRapidity) || (kshort.yK0Short() > kshortSelections.kshortMaxRapidity))
477513
return false;
478514

515+
histos.fill(HIST("KShortSel/hSelectionStatistics"), 3.);
479516
if ((kshort.negativeeta() < kshortSelections.kshortDauEtaMin) || (kshort.negativeeta() > kshortSelections.kshortDauEtaMax))
480517
return false;
481518

519+
histos.fill(HIST("KShortSel/hSelectionStatistics"), 4.);
482520
if ((kshort.positiveeta() < kshortSelections.kshortDauEtaMin) || (kshort.positiveeta() > kshortSelections.kshortDauEtaMax))
483521
return false;
484522

523+
histos.fill(HIST("KShortSel/hSelectionStatistics"), 5.);
485524
if ((TMath::Abs(kshort.dcapostopv()) < kshortSelections.kshortMinDCAPosToPv) || (TMath::Abs(kshort.dcanegtopv()) < kshortSelections.kshortMinDCANegToPv))
486525
return false;
487526

527+
histos.fill(HIST("KShortSel/hSelectionStatistics"), 6.);
488528
if ((kshort.v0radius() < kshortSelections.kshortMinv0radius) || (kshort.v0radius() > kshortSelections.kshortMaxv0radius))
489529
return false;
490530

531+
histos.fill(HIST("KShortSel/hSelectionStatistics"), 7.);
491532
if ((kshort.z() < kshortSelections.kshortMinZ) || (kshort.z() > kshortSelections.kshortMaxZ))
492533
return false;
493534

535+
histos.fill(HIST("KShortSel/hSelectionStatistics"), 8.);
494536
if (TMath::Abs(kshort.dcaV0daughters()) > kshortSelections.kshortMaxDCAV0Dau)
495537
return false;
496538

539+
histos.fill(HIST("KShortSel/hSelectionStatistics"), 9.);
497540
if (kshort.qtarm() < kshortSelections.kshortArmenterosCoefficient * TMath::Abs(kshort.alpha()))
498541
return false;
499542

543+
histos.fill(HIST("KShortSel/hSelectionStatistics"), 10.);
500544
if (kshort.v0cosPA() < kshortSelections.kshortMinv0cospa)
501545
return false;
502546

503547
auto posTrackKShort = kshort.template posTrackExtra_as<dauTracks>();
504548
auto negTrackKShort = kshort.template negTrackExtra_as<dauTracks>();
505549

550+
histos.fill(HIST("KShortSel/hSelectionStatistics"), 11.);
506551
if ((posTrackKShort.tpcCrossedRows() < kshortSelections.kshortMinTPCCrossedRows) || (negTrackKShort.tpcCrossedRows() < kshortSelections.kshortMinTPCCrossedRows))
507552
return false;
508553

509554
// MinITSCls
510555
bool posIsFromAfterburner = posTrackKShort.itsChi2PerNcl() < 0;
511556
bool negIsFromAfterburner = negTrackKShort.itsChi2PerNcl() < 0;
512557

558+
histos.fill(HIST("KShortSel/hSelectionStatistics"), 12.);
513559
if (posTrackKShort.itsNCls() < kshortSelections.kshortMinITSclusters && (!kshortSelections.kshortRejectPosITSafterburner || posIsFromAfterburner))
514560
return false;
515561
if (negTrackKShort.itsNCls() < kshortSelections.kshortMinITSclusters && (!kshortSelections.kshortRejectNegITSafterburner || negIsFromAfterburner))
516562
return false;
517563

564+
histos.fill(HIST("KShortSel/hSelectionStatistics"), 13.);
518565
float fKShortLifeTime = kshort.distovertotmom(collision.posX(), collision.posY(), collision.posZ()) * o2::constants::physics::MassK0Short;
519566
if (fKShortLifeTime > kshortSelections.kshortMaxLifeTime)
520567
return false;
568+
569+
histos.fill(HIST("KShortSel/hSelectionStatistics"), 14.);
570+
// TPC PID selection on the K0S pion daughters (same convention as posTrackKShort.tpcNSigmaPi())
571+
if (((TMath::Abs(posTrackKShort.tpcNSigmaPi()) > kshortSelections.kshortMaxTPCNSigmas) ||
572+
(TMath::Abs(negTrackKShort.tpcNSigmaPi()) > kshortSelections.kshortMaxTPCNSigmas)))
573+
return false;
574+
575+
histos.fill(HIST("KShortSel/hSelectionStatistics"), 15.);
521576
}
522577
return true;
523578
}

0 commit comments

Comments
 (0)