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[PWGLF] NucleiTask - Add deuteron ITS cuts #12067

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Merged
maciacco merged 5 commits into from
Jul 16, 2025
Merged

[PWGLF] NucleiTask - Add deuteron ITS cuts #12067

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8fd1532
NucleiTask - Add deuteron ITS cuts
giovannimalfattore Jul 15, 2025
03bffcc
Merge branch 'master' of https://github.com/AliceO2Group/O2Physics
giovannimalfattore Jul 15, 2025
3243ce0
NucleiTask - Fix typo
giovannimalfattore Jul 15, 2025
05e724c
Merge branch 'master' of https://github.com/AliceO2Group/O2Physics
giovannimalfattore Jul 16, 2025
ce48e4d
NucleiTask - Remove unused variable
giovannimalfattore Jul 16, 2025
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4 changes: 4 additions & 0 deletions PWGLF/DataModel/LFNucleiTables.h
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@@ -1,4 +1,4 @@
// Copyright 2019-2020 CERN and copyright holders of ALICE O2.

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[doc/file] 

Provide mandatory file documentation.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
Expand All @@ -13,7 +13,7 @@
/// \file LFNucleiTables.h
///
/// \author Rutuparna Rath <rutuparna.rath@cern.ch> and Giovanni Malfattore <giovanni.malfattore@cern.ch>
///

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[doc/file] 

Documentation for \brief is missing, incorrect or misplaced.

#include "Common/CCDB/EventSelectionParams.h"
#include "Framework/AnalysisDataModel.h"
Expand All @@ -30,7 +30,7 @@
DECLARE_SOA_COLUMN(RunNumber, runNumber, int);
DECLARE_SOA_COLUMN(CentFV0M, centFV0M, float);
DECLARE_SOA_COLUMN(CentFT0M, centFT0M, float);
DECLARE_SOA_DYNAMIC_COLUMN(Selection_Bit, selection_bit, //! Dummy

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[name/o2-column] 

Use UpperCamelCase for names of O2 columns and matching lowerCamelCase names for their getters.
[](o2::aod::evsel::EventSelectionFlags /*v*/) -> bool { return true; });
} // namespace fullEvent
DECLARE_SOA_TABLE(LfNuclEvents, "AOD", "LFNUCLEvent",
Expand All @@ -50,20 +50,22 @@
{
DECLARE_SOA_INDEX_COLUMN(LfNuclEvent, lfNuclEvent);
DECLARE_SOA_COLUMN(Pt, pt, float);
DECLARE_SOA_DYNAMIC_COLUMN(P, p, [](float pt, float eta) -> float { return pt * cosh(eta); });

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[std-prefix] 

Use std:: prefix for names from the std namespace.
DECLARE_SOA_COLUMN(Eta, eta, float);
DECLARE_SOA_COLUMN(Sign, sign, int16_t);
DECLARE_SOA_COLUMN(Phi, phi, float);
DECLARE_SOA_COLUMN(IsPVContributor, isPVContributor, bool);
DECLARE_SOA_DYNAMIC_COLUMN(Rapidity, rapidity,
[](float pt, float eta, float mass) -> float {
const auto p = pt * cosh(eta);

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[std-prefix] 

Use std:: prefix for names from the std namespace.
const auto pz = pt * sinh(eta);

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[std-prefix] 

Use std:: prefix for names from the std namespace.
const auto energy = sqrt(p * p + mass * mass);

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[std-prefix] 

Use std:: prefix for names from the std namespace.
return 0.5f * log((energy + pz) / (energy - pz));

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[std-prefix] 

Use std:: prefix for names from the std namespace.
});
// ITS
DECLARE_SOA_COLUMN(ITSClusterSizes, itsClusterSizes, uint32_t); //! ITS cluster sizes per layer

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[name/o2-column] 

Use UpperCamelCase for names of O2 columns and matching lowerCamelCase names for their getters.
// TPC
DECLARE_SOA_COLUMN(TPCNSigmaPi, tpcNSigmaPi, float);

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[name/o2-column] 

Use UpperCamelCase for names of O2 columns and matching lowerCamelCase names for their getters.
DECLARE_SOA_COLUMN(TPCNSigmaKa, tpcNSigmaKa, float);
DECLARE_SOA_COLUMN(TPCNSigmaPr, tpcNSigmaPr, float);
DECLARE_SOA_COLUMN(TPCNSigmaDe, tpcNSigmaDe, float);
Expand Down Expand Up @@ -181,6 +183,7 @@
full::IsPVContributor,
full::P<full::Pt, full::Eta>,
full::Rapidity<full::Pt, full::Eta>,
full::ITSClusterSizes,
track::TPCNClsFound<track::TPCNClsFindable, track::TPCNClsFindableMinusFound>,
track::TPCNClsCrossedRows<track::TPCNClsFindable, track::TPCNClsFindableMinusCrossedRows>,
track::TPCCrossedRowsOverFindableCls<track::TPCNClsFindable, track::TPCNClsFindableMinusCrossedRows>,
Expand Down Expand Up @@ -211,6 +214,7 @@
track::ITSClusterMap,
full::IsPVContributor,
full::P<full::Pt, full::Eta>,
full::ITSClusterSizes,
dummy::TPCNSigmaPi<full::HasTOF>, dummy::TPCNSigmaKa<full::HasTOF>, dummy::TPCNSigmaPr<full::HasTOF>,
dummy::TPCNSigmaTr<full::HasTOF>, dummy::TPCNSigmaAl<full::HasTOF>,
dummy::TOFNSigmaPi<full::HasTOF>, dummy::TOFNSigmaKa<full::HasTOF>, dummy::TOFNSigmaPr<full::HasTOF>,
Expand Down
32 changes: 17 additions & 15 deletions PWGLF/TableProducer/Nuspex/LFTreeCreatorNuclei.cxx
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Expand Up @@ -20,26 +20,27 @@

#include "PWGLF/DataModel/LFNucleiTables.h"
#include "PWGLF/DataModel/LFParticleIdentification.h"
#include <TLorentzVector.h>
#include <TMath.h>
#include <TObjArray.h>

#include "ReconstructionDataFormats/Track.h"
#include "Framework/runDataProcessing.h"
#include "Framework/AnalysisTask.h"
#include "Framework/AnalysisDataModel.h"
#include "Framework/ASoAHelpers.h"
#include "Framework/HistogramRegistry.h"

#include "Common/DataModel/PIDResponse.h"
#include "Common/DataModel/EventSelection.h"
#include "Common/DataModel/Centrality.h"
#include "Common/DataModel/Multiplicity.h"
#include "Common/DataModel/TrackSelectionTables.h"
#include "Common/CCDB/EventSelectionParams.h"
#include "Common/Core/TrackSelection.h"
#include "Common/Core/TrackSelectionDefaults.h"
#include "Common/Core/trackUtilities.h"
#include "Common/DataModel/Centrality.h"
#include "Common/DataModel/EventSelection.h"
#include "Common/DataModel/Multiplicity.h"
#include "Common/DataModel/PIDResponse.h"
#include "Common/DataModel/TrackSelectionTables.h"

#include "Framework/ASoAHelpers.h"
#include "Framework/AnalysisDataModel.h"
#include "Framework/AnalysisTask.h"
#include "Framework/HistogramRegistry.h"
#include "Framework/runDataProcessing.h"
#include "ReconstructionDataFormats/Track.h"

#include <TLorentzVector.h>
#include <TMath.h>
#include <TObjArray.h>

// #include <cmath>

Expand Down Expand Up @@ -249,6 +250,7 @@ struct LfTreeCreatorNuclei {
track.tpcSignal(),
track.pt(), track.eta(), track.phi(),
track.sign(),
track.itsClusterSizes(),
track.itsNCls(),
track.tpcNClsFindable(),
track.tpcNClsFindableMinusFound(),
Expand Down
58 changes: 45 additions & 13 deletions PWGLF/Tasks/Nuspex/LFNucleiBATask.cxx
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Expand Up @@ -126,7 +126,9 @@ struct LFNucleiBATask {
} nsigmaTPCvar;

struct : ConfigurableGroup {
Configurable<bool> useITSDeCut{"useITSDeCut", false, "Select Deuteron if compatible with deuteron hypothesis (via SigmaITS)"};
Configurable<bool> useITSHeCut{"useITSHeCut", false, "Select Helium if compatible with helium hypothesis (via SigmaITS)"};
Configurable<float> nsigmaITSDe{"nsigmaITSDe", -1.f, "Value of the Nsigma ITS cut for deuteron ( > nSigmaITSHe)"};
Configurable<float> nsigmaITSHe{"nsigmaITSHe", -1.f, "Value of the Nsigma ITS cut for helium-3 ( > nSigmaITSHe)"};
Configurable<bool> showAverageClusterSize{"showAverageClusterSize", false, "Show average cluster size"};
} nsigmaITSvar;
Expand Down Expand Up @@ -604,20 +606,20 @@ struct LFNucleiBATask {
histos.add<TH1>("tracks/triton/h1antiTritonSpectra", "#it{p}_{T} (#bar{t})", HistType::kTH1F, {ptAxis});
}
if (enableHe) {
histos.add<TH1>("tracks/helium/h1HeliumSpectra", "#it{p}_{T}/z (He)", HistType::kTH1F, {ptZHeAxis});
histos.add<TH1>("tracks/helium/h1antiHeliumSpectra", "#it{p}_{T}/z (#bar{He})", HistType::kTH1F, {ptZHeAxis});
// histos.add<TH1>("tracks/helium/h1HeliumSpectra", "#it{p}_{T}/z (He)", HistType::kTH1F, {ptZHeAxis});
// histos.add<TH1>("tracks/helium/h1antiHeliumSpectra", "#it{p}_{T}/z (#bar{He})", HistType::kTH1F, {ptZHeAxis});

histos.add<TH2>("tracks/helium/h2HeliumYvsPt", "#it{y} vs #it{p}_{T}/z (He)", HistType::kTH2F, {{96, -1.2, 1.2}, {ptZHeAxis}});
// histos.add<TH2>("tracks/helium/h2HeliumYvsPt", "#it{y} vs #it{p}_{T}/z (He)", HistType::kTH2F, {{96, -1.2, 1.2}, {ptZHeAxis}});
histos.add<TH2>("tracks/helium/h2HeliumYvsPt_Z2", "#it{y} vs #it{p}_{T} (He)", HistType::kTH2F, {{96, -1.2, 1.2}, {ptHeAxis}});
histos.add<TH2>("tracks/helium/h2HeliumEtavsPt", "#it{#eta} vs #it{p}_{T}/z (He)", HistType::kTH2F, {{96, -1.2, 1.2}, {ptZHeAxis}});
// histos.add<TH2>("tracks/helium/h2HeliumEtavsPt", "#it{#eta} vs #it{p}_{T}/z (He)", HistType::kTH2F, {{96, -1.2, 1.2}, {ptZHeAxis}});
histos.add<TH2>("tracks/helium/h2HeliumEtavsPt_Z2", "#it{#eta} vs #it{p}_{T} (He)", HistType::kTH2F, {{96, -1.2, 1.2}, {ptHeAxis}});

histos.add<TH1>("tracks/helium/h1HeliumSpectra_Z2", "#it{p}_{T} (He)", HistType::kTH1F, {ptHeAxis});
histos.add<TH1>("tracks/helium/h1antiHeliumSpectra_Z2", "#it{p}_{T} (#bar{He})", HistType::kTH1F, {ptHeAxis});

histos.add<TH2>("tracks/helium/h2antiHeliumYvsPt", "#it{y} vs #it{p}_{T}/z (#bar{He})", HistType::kTH2F, {{96, -1.2, 1.2}, {ptZHeAxis}});
// histos.add<TH2>("tracks/helium/h2antiHeliumYvsPt", "#it{y} vs #it{p}_{T}/z (#bar{He})", HistType::kTH2F, {{96, -1.2, 1.2}, {ptZHeAxis}});
histos.add<TH2>("tracks/helium/h2antiHeliumYvsPt_Z2", "#it{y} vs #it{p}_{T} (#bar{He})", HistType::kTH2F, {{96, -1.2, 1.2}, {ptHeAxis}});
histos.add<TH2>("tracks/helium/h2antiHeliumEtavsPt", "#it{#eta} vs #it{p}_{T}/z (#bar{He})", HistType::kTH2F, {{96, -1.2, 1.2}, {ptZHeAxis}});
// histos.add<TH2>("tracks/helium/h2antiHeliumEtavsPt", "#it{#eta} vs #it{p}_{T}/z (#bar{He})", HistType::kTH2F, {{96, -1.2, 1.2}, {ptZHeAxis}});
histos.add<TH2>("tracks/helium/h2antiHeliumEtavsPt_Z2", "#it{#eta} vs #it{p}_{T} (#bar{He})", HistType::kTH2F, {{96, -1.2, 1.2}, {ptHeAxis}});
}
if (enableAl) {
Expand Down Expand Up @@ -1518,6 +1520,7 @@ struct LFNucleiBATask {

// Bethe-Bloch TPC distribution and Beta vs pT TOF distribution
if (nsigmaITSvar.showAverageClusterSize && outFlagOptions.enablePIDplot) {
histos.add<TH3>("tracks/avgClusterSizePerCoslInvVsITSlayers", "", HistType::kTH3F, {{pZAxis}, {avClsEffAxis}, {8, -0.5, 7.5}});
histos.add<TH2>("tracks/averageClusterSize", "", HistType::kTH2F, {{pZAxis}, {avClsAxis}});
histos.add<TH2>("tracks/averageClusterSizePerCoslInv", "", HistType::kTH2F, {{pZAxis}, {avClsEffAxis}});
}
Expand Down Expand Up @@ -1590,6 +1593,11 @@ struct LFNucleiBATask {
histos.add<TH2>("tracks/proton/h2antiProtonVspTNSigmaTPC", "NSigmaTPC(#bar{p}) vs pT; #it{p}_{T} (GeV/#it{c}); NSigmaTPC", HistType::kTH2F, {{ptAxis}, {sigmaTPCAxis}});
}
if (enableDe) {
histos.add<TH2>("tracks/deuteron/h2DeuteronVspNSigmaITSDe", "NSigmaITS(d) vs p/z; #it{p}/z (GeV/#it{c}); NSigmaITS(d)", HistType::kTH2F, {{pZAxis}, {sigmaITSAxis}});
histos.add<TH2>("tracks/deuteron/h2antiDeuteronVspNSigmaITSDe", "NSigmaITS(#bar{d}) vs p/z; #it{p}/z (GeV/#it{c}); NSigmaITS(#bar{d})", HistType::kTH2F, {{pZAxis}, {sigmaITSAxis}});
histos.add<TH2>("tracks/deuteron/h2DeuteronVspNSigmaITSDe_wTPCpid", "NSigmaITS(d) vs p/z; #it{p}/z (GeV/#it{c}); NSigmaITS(d)", HistType::kTH2F, {{pZAxis}, {sigmaITSAxis}});
histos.add<TH2>("tracks/deuteron/h2antiDeuteronVspNSigmaITSDe_wTPCpid", "NSigmaITS(#bar{d}) vs p/z; #it{p}/z (GeV/#it{c}); NSigmaITS(#bar{d})", HistType::kTH2F, {{pZAxis}, {sigmaITSAxis}});

if (enableCentrality) {
histos.add<TH3>("tracks/deuteron/h3DeuteronVspTNSigmaTPCVsMult", "NSigmaTPC(d) vs pT; #it{p}_{T} (GeV/#it{c}) vs mult; NSigmaTPC", HistType::kTH3F, {{ptAxis}, {sigmaTPCAxis}, {binsPercentile}});
histos.add<TH3>("tracks/deuteron/h3antiDeuteronVspTNSigmaTPCVsMult", "NSigmaTPC(#bar{d}) vs pT; #it{p}_{T} (GeV/#it{c}) vs mult; NSigmaTPC", HistType::kTH3F, {{ptAxis}, {sigmaTPCAxis}, {binsPercentile}});
Expand Down Expand Up @@ -2179,6 +2187,7 @@ struct LFNucleiBATask {
}

auto tracksWithITS = soa::Attach<TracksType,
aod::pidits::ITSNSigmaDe,
aod::pidits::ITSNSigmaTr,
aod::pidits::ITSNSigmaHe>(tracks);
if (tracksWithITS.size() != tracks.size()) {
Expand All @@ -2194,6 +2203,12 @@ struct LFNucleiBATask {
}
}
std::bitset<8> itsClusterMap = track.itsClusterMap();

if constexpr (!IsFilteredData) {
if (nsigmaITSvar.showAverageClusterSize && outFlagOptions.enablePIDplot)
histos.fill(HIST("tracks/avgClusterSizePerCoslInvVsITSlayers"), track.p(), averageClusterSizePerCoslInv(track), track.itsNCls());
}

if (track.itsNCls() < trkqcOptions.cfgCutITSClusters)
continue;
if (track.tpcNClsCrossedRows() < trkqcOptions.cfgCutTPCXRows)
Expand Down Expand Up @@ -2293,9 +2308,14 @@ struct LFNucleiBATask {
break;
}

// float nITSDe_Table = 99.f;
float nITSDe = 99.f;
float nITSTr = 99.f;
float nITSHe = 99.f;
// o2::aod::ITSResponse itsResponse;

if (!IsFilteredData) {
nITSDe = track.itsNSigmaDe();
nITSTr = track.itsNSigmaTr();
nITSHe = track.itsNSigmaHe();
}
Expand Down Expand Up @@ -2457,6 +2477,10 @@ struct LFNucleiBATask {
isAntiDe = isDeuteron && track.sign() < 0;

// nSigmaITSHe cut
if (nsigmaITSvar.useITSDeCut && (nITSDe <= nsigmaITSvar.nsigmaITSDe)) {
continue;
}

if (nsigmaITSvar.useITSHeCut && (nITSHe <= nsigmaITSvar.nsigmaITSHe)) {
continue;
}
Expand Down Expand Up @@ -4190,6 +4214,8 @@ struct LFNucleiBATask {
if (outFlagOptions.enableExpSignalTPC)
histos.fill(HIST("tracks/deuteron/h2DeuteronTPCExpSignalDiffVsPt"), DPt, track.tpcExpSignalDiffDe());

histos.fill(HIST("tracks/deuteron/h2DeuteronVspNSigmaITSDe"), track.p(), nITSDe);

switch (useHasTRDConfig) {
case 0:
if (enableCentrality)
Expand All @@ -4213,6 +4239,8 @@ struct LFNucleiBATask {
if (outFlagOptions.enableExpSignalTPC)
histos.fill(HIST("tracks/deuteron/h2antiDeuteronTPCExpSignalDiffVsPt"), antiDPt, track.tpcExpSignalDiffDe());

histos.fill(HIST("tracks/deuteron/h2antiDeuteronVspNSigmaITSDe"), track.p(), nITSDe);

switch (useHasTRDConfig) {
case 0:
if (enableCentrality)
Expand Down Expand Up @@ -4487,6 +4515,8 @@ struct LFNucleiBATask {
}
histos.fill(HIST("tracks/deuteron/h1DeuteronSpectra"), DPt);
histos.fill(HIST("tracks/deuteron/h2DeuteronYvsPt"), track.rapidity(o2::track::PID::getMass2Z(o2::track::PID::Deuteron)), DPt);
histos.fill(HIST("tracks/deuteron/h2DeuteronVspNSigmaITSDe_wTPCpid"), track.p(), nITSDe);

if (outFlagOptions.enablePIDplot)
histos.fill(HIST("tracks/deuteron/h2TPCsignVsTPCmomentumDeuteron"), track.tpcInnerParam(), track.tpcSignal());
}
Expand All @@ -4497,6 +4527,8 @@ struct LFNucleiBATask {
}
histos.fill(HIST("tracks/deuteron/h1antiDeuteronSpectra"), antiDPt);
histos.fill(HIST("tracks/deuteron/h2antiDeuteronYvsPt"), track.rapidity(o2::track::PID::getMass2Z(o2::track::PID::Deuteron)), antiDPt);
histos.fill(HIST("tracks/deuteron/h2antiDeuteronVspNSigmaITSDe_wTPCpid"), track.p(), nITSDe);

if (outFlagOptions.enablePIDplot)
histos.fill(HIST("tracks/deuteron/h2TPCsignVsTPCmomentumantiDeuteron"), track.tpcInnerParam(), track.tpcSignal());
}
Expand All @@ -4505,11 +4537,11 @@ struct LFNucleiBATask {
histos.fill(HIST("tracks/eff/helium/hPtHe"), 2 * hePt);
histos.fill(HIST("tracks/eff/helium/h2pVsTPCmomentumHe"), heTPCmomentum, heP);
}
histos.fill(HIST("tracks/helium/h1HeliumSpectra"), hePt);
// histos.fill(HIST("tracks/helium/h1HeliumSpectra"), hePt);
histos.fill(HIST("tracks/helium/h1HeliumSpectra_Z2"), 2 * hePt);
histos.fill(HIST("tracks/helium/h2HeliumYvsPt"), track.rapidity(o2::track::PID::getMass2Z(o2::track::PID::Helium3)), hePt);
// histos.fill(HIST("tracks/helium/h2HeliumYvsPt"), track.rapidity(o2::track::PID::getMass2Z(o2::track::PID::Helium3)), hePt);
histos.fill(HIST("tracks/helium/h2HeliumYvsPt_Z2"), track.rapidity(o2::track::PID::getMass2Z(o2::track::PID::Helium3)), 2 * hePt);
histos.fill(HIST("tracks/helium/h2HeliumEtavsPt"), track.eta(), hePt);
// histos.fill(HIST("tracks/helium/h2HeliumEtavsPt"), track.eta(), hePt);
histos.fill(HIST("tracks/helium/h2HeliumEtavsPt_Z2"), track.eta(), 2 * hePt);
if (outFlagOptions.enablePIDplot)
histos.fill(HIST("tracks/helium/h2TPCsignVsTPCmomentumHelium"), heTPCmomentum, track.tpcSignal());
Expand All @@ -4519,11 +4551,11 @@ struct LFNucleiBATask {
histos.fill(HIST("tracks/eff/helium/hPtantiHe"), 2 * antihePt);
histos.fill(HIST("tracks/eff/helium/h2pVsTPCmomentumantiHe"), antiheTPCmomentum, antiheP);
}
histos.fill(HIST("tracks/helium/h1antiHeliumSpectra"), antihePt);
// histos.fill(HIST("tracks/helium/h1antiHeliumSpectra"), antihePt);
histos.fill(HIST("tracks/helium/h1antiHeliumSpectra_Z2"), 2 * antihePt);
histos.fill(HIST("tracks/helium/h2antiHeliumYvsPt"), track.rapidity(o2::track::PID::getMass2Z(o2::track::PID::Helium3)), antihePt);
// histos.fill(HIST("tracks/helium/h2antiHeliumYvsPt"), track.rapidity(o2::track::PID::getMass2Z(o2::track::PID::Helium3)), antihePt);
histos.fill(HIST("tracks/helium/h2antiHeliumYvsPt_Z2"), track.rapidity(o2::track::PID::getMass2Z(o2::track::PID::Helium3)), 2 * antihePt);
histos.fill(HIST("tracks/helium/h2antiHeliumEtavsPt"), track.eta(), antihePt);
// histos.fill(HIST("tracks/helium/h2antiHeliumEtavsPt"), track.eta(), antihePt);
histos.fill(HIST("tracks/helium/h2antiHeliumEtavsPt_Z2"), track.eta(), 2 * antihePt);
if (outFlagOptions.enablePIDplot)
histos.fill(HIST("tracks/helium/h2TPCsignVsTPCmomentumantiHelium"), antiheTPCmomentum, track.tpcSignal());
Expand Down Expand Up @@ -5692,7 +5724,7 @@ struct LFNucleiBATask {
using EventCandidates = soa::Join<aod::Collisions, aod::EvSels, aod::CentFT0Ms, aod::CentFV0As, aod::CentFT0Cs>;
using EventCandidatesMC = soa::Join<EventCandidates, aod::McCollisionLabels>;

using TrackCandidates0 = soa::Join<aod::Tracks, aod::TracksExtra, aod::TracksDCA, aod::TrackSelection, aod::TrackSelectionExtension,
using TrackCandidates0 = soa::Join<aod::Tracks, aod::TracksIU, aod::TracksExtra, aod::TracksDCA, aod::TrackSelection, aod::TrackSelectionExtension,
aod::pidTOFbeta, aod::TOFSignal, aod::pidEvTimeFlags,
aod::pidTPCFullPi, aod::pidTOFFullPi,
aod::pidTPCFullKa, aod::pidTOFFullKa,
Expand Down
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