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[Trigger,PWGHF] Add pidITS and remove unused includes #14784

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Merged
fgrosa merged 1 commit into from
Feb 3, 2026
+42 −22
Merged

[Trigger,PWGHF] Add pidITS and remove unused includes #14784

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64 changes: 42 additions & 22 deletions EventFiltering/PWGHF/H2fromLbFilter.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -16,21 +16,18 @@

#include "../filterTables.h"

#include "PWGLF/DataModel/LFParticleIdentification.h"

#include "Common/Core/RecoDecay.h"
#include "Common/Core/TrackSelection.h"
#include "Common/Core/trackUtilities.h"
#include "Common/DataModel/Centrality.h"
#include "Common/DataModel/CollisionAssociationTables.h"
#include "Common/DataModel/EventSelection.h"
#include "Common/DataModel/Multiplicity.h"
#include "Common/DataModel/PIDResponseITS.h"
#include "Common/DataModel/PIDResponseTOF.h"
#include "Common/DataModel/PIDResponseTPC.h"
#include "Common/DataModel/TrackSelectionTables.h"

#include "CCDB/BasicCCDBManager.h"
#include "CommonConstants/PhysicsConstants.h"
#include "DCAFitter/DCAFitterN.h"
#include "DataFormatsParameters/GRPMagField.h"
#include "DataFormatsParameters/GRPObject.h"
#include "DetectorsBase/Propagator.h"
Expand Down Expand Up @@ -69,14 +66,16 @@ struct H2fromLbFilter {
o2::framework::Configurable<bool> isNoITSROFrameBorder{"isNoITSROFrameBorder", true, "isNoITSROFrameBorder event selection"};
o2::framework::Configurable<float> cfgTPCNsigma{"cfgTPCNsigma", 4.0f, "TPC n sigma for deuteron PID"};
o2::framework::Configurable<float> cfgTOFNsigma{"cfgTOFNsigma", 4.0f, "TOF n sigma for deuteron PID"};
o2::framework::Configurable<float> cfgITSNsigma{"cfgITSNsigma", -2.0f, "ITS n sigma for deuteron PID"};
o2::framework::Configurable<float> cfgEta{"cfgEta", 0.8f, "Track eta selection"};
o2::framework::Configurable<int> cfgTPCNclsFound{"cfgTPCNclsFound", 100, "Minimum TPC clusters found"};
o2::framework::Configurable<float> cfgTPCChi2Ncl{"cfgTPCChi2Ncl", 4.0f, "Maximum TPC chi2 per N clusters"};
o2::framework::Configurable<float> cfgITSChi2Ncl{"cfgITSChi2Ncl", 36.0f, "Maximum ITS chi2 per N clusters"};
o2::framework::Configurable<int> cfgITScls{"cfgITScls", 2, "Minimum ITS clusters"};
o2::framework::Configurable<float> cfgMaxPt{"cfgMaxPt", 5.0f, "Maximum pT cut"};
o2::framework::Configurable<float> cfgMinPt{"cfgMinPt", 1.0f, "Maximum pT cut"};
o2::framework::Configurable<float> cfgMinPt{"cfgMinPt", 0.5f, "Minimum pT cut"};
o2::framework::Configurable<float> cfgDCAcut{"cfgDCAcut", 0.003f, "DCA cut for non prompt deuteron"};
o2::framework::Configurable<float> ptThresholdPid{"ptThresholdPid", 1.0f, "pT threshold to switch between ITS and TOF PID"};

o2::framework::Service<o2::ccdb::BasicCCDBManager> ccdb;

Expand All @@ -95,6 +94,7 @@ struct H2fromLbFilter {
QAHistos.add("hDCAzVsPt", "DCAz #bar{d} vs p_{T}", {o2::framework::HistType::kTH2D, {pTAxis, DCAzAxis}});
QAHistos.add("hnSigmaTPCVsPt", "n#sigma TPC vs p_{T} for #bar{d} hypothesis; p_{T} (GeV/c); n#sigma TPC", {o2::framework::HistType::kTH2D, {pTAxis, nSigmaAxis}});
QAHistos.add("hnSigmaTOFVsPt", "n#sigma TOF vs p_{T} for #bar{d} hypothesis; p_{T} (GeV/c); n#sigma TOF", {o2::framework::HistType::kTH2D, {pTAxis, nSigmaAxis}});
QAHistos.add("hnSigmaITSVsPt", "n#sigma ITS vs p_{T} for #bar{d} hypothesis; p_{T} (GeV/c); n#sigma ITS", {o2::framework::HistType::kTH2D, {pTAxis, nSigmaAxis}});
QAHistos.add("ptAntiDeuteron", "ptAntiDeuteron", {o2::framework::HistType::kTH1F, {ptAxis}});
QAHistos.add("etaAntideuteron", "etaAntideuteron", {o2::framework::HistType::kTH1F, {{100, -1.0f, 1.0f, "eta #bar{d}"}}});
QAHistos.add("hDCAxyVsPt-pre_selection", "DCAxy #bar{d} vs p_{T}", {o2::framework::HistType::kTH2D, {pTAxis, DCAxyAxis}});
Expand Down Expand Up @@ -193,10 +193,11 @@ struct H2fromLbFilter {

// Loop over tracks
const auto& trackIdsThisCollision = trackIndices.sliceBy(trackIndicesPerCollision, collision.globalIndex());
auto tracksWithItsPid = o2::soa::Attach<TrackCandidates, o2::aod::pidits::ITSNSigmaDe>(tracks);

for (const auto& trackId : trackIdsThisCollision) { // start loop over tracks

const auto& track = tracks.rawIteratorAt(trackId.trackId());
const auto& track = tracksWithItsPid.rawIteratorAt(trackId.trackId());

std::array<float, 2> dca{track.dcaXY(), track.dcaZ()};
std::array<float, 3> pVec = track.pVector();
Expand All @@ -213,23 +214,42 @@ struct H2fromLbFilter {

const bool isTOFDe = std::abs(track.tofNSigmaDe()) < cfgTOFNsigma;
const bool isTPCDe = std::abs(track.tpcNSigmaDe()) < cfgTPCNsigma;

if (isTPCDe && isTOFDe) {

QAHistos.fill(HIST("hDCAxyVsPt-pre_selection"), track.pt(), dca[0]);
QAHistos.fill(HIST("hDCAzVsPt-pre-selection"), track.pt(), dca[1]);
if (std::abs(dca[0]) < cfgDCAcut) {
continue;
const bool isITSDe = track.itsNSigmaDe() > cfgITSNsigma;

if (track.pt() < ptThresholdPid) {
if (isTPCDe && isITSDe) {
QAHistos.fill(HIST("hDCAxyVsPt-pre_selection"), track.pt(), dca[0]);
QAHistos.fill(HIST("hDCAzVsPt-pre-selection"), track.pt(), dca[1]);
if (std::abs(dca[0]) < cfgDCAcut) {
continue;
}
keepEvent[0] = true;
QAHistos.fill(HIST("ptAntiDeuteron"), track.pt());
QAHistos.fill(HIST("etaAntideuteron"), track.eta());
QAHistos.fill(HIST("hDCAxyVsPt"), track.pt(), dca[0]);
QAHistos.fill(HIST("hDCAzVsPt"), track.pt(), dca[1]);
QAHistos.fill(HIST("hnSigmaTPCVsPt"), track.pt(), track.tpcNSigmaDe());
QAHistos.fill(HIST("hnSigmaTOFVsPt"), track.pt(), track.tofNSigmaDe());
QAHistos.fill(HIST("hnSigmaITSVsPt"), track.pt(), track.itsNSigmaDe());
}
} else {
if (isTPCDe && isTOFDe) {

QAHistos.fill(HIST("hDCAxyVsPt-pre_selection"), track.pt(), dca[0]);
QAHistos.fill(HIST("hDCAzVsPt-pre-selection"), track.pt(), dca[1]);
if (std::abs(dca[0]) < cfgDCAcut) {
continue;
}
keepEvent[0] = true;
QAHistos.fill(HIST("ptAntiDeuteron"), track.pt());
QAHistos.fill(HIST("etaAntideuteron"), track.eta());
QAHistos.fill(HIST("hDCAxyVsPt"), track.pt(), dca[0]);
QAHistos.fill(HIST("hDCAzVsPt"), track.pt(), dca[1]);
QAHistos.fill(HIST("hnSigmaTPCVsPt"), track.pt(), track.tpcNSigmaDe());
QAHistos.fill(HIST("hnSigmaTOFVsPt"), track.pt(), track.tofNSigmaDe());
QAHistos.fill(HIST("hnSigmaITSVsPt"), track.pt(), track.itsNSigmaDe());
}
keepEvent[0] = true;
QAHistos.fill(HIST("ptAntiDeuteron"), track.pt());
QAHistos.fill(HIST("etaAntideuteron"), track.eta());
QAHistos.fill(HIST("hDCAxyVsPt"), track.pt(), dca[0]);
QAHistos.fill(HIST("hDCAzVsPt"), track.pt(), dca[1]);
QAHistos.fill(HIST("hnSigmaTPCVsPt"), track.pt(), track.tpcNSigmaDe());
QAHistos.fill(HIST("hnSigmaTOFVsPt"), track.pt(), track.tofNSigmaDe());
}

} // end track loop
if (keepEvent[0]) {
hProcessedEvents->Fill(5.5);
Expand Down
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