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[PWGLF] Storing signed pt to output histograms #14396

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maciacco merged 1 commit into from
Jan 8, 2026
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[PWGLF] Storing signed pt to output histograms #14396

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14 changes: 7 additions & 7 deletions PWGLF/TableProducer/Nuspex/he3HadronFemto.cxx
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// Copyright 2019-2020 CERN and copyright holders of ALICE O2.

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[name/workflow-file] 

Name of a workflow file must match the name of the main struct in it (without the PWG prefix). (Class implementation files should be in "Core" directories.)
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
Expand Down Expand Up @@ -49,7 +49,7 @@
#include "Framework/runDataProcessing.h"
#include "ReconstructionDataFormats/Track.h"

#include <TDatabasePDG.h>

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[pdg/database] 

Do not use TDatabasePDG directly. Use o2::constants::physics::Mass... or Service<o2::framework::O2DatabasePDG> instead.
#include <TDirectory.h>
#include <TFile.h>
#include <TH1F.h>
Expand Down Expand Up @@ -480,7 +480,7 @@
template <typename Ttrack>
float correctPtHe3TrackedAsTriton(const Ttrack& candidate)
{
if (candidate.pt() < 2.5 && candidate.pidForTracking() == o2::track::PID::Triton)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
return candidate.pt() * 2. * (1. - kHePidTrkParams[0] - kHePidTrkParams[1] * candidate.pt() * 2.);

return candidate.pt() * 2.;
Expand Down Expand Up @@ -648,7 +648,7 @@
std::array<float, 3> collisionVertex = getCollisionVertex(collisions, collIdx);
const auto& pca = mFitter.getPCACandidate();
float distance = defaultTodistance;
for (int i = 0; i < 3; i++) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
distance += (pca[i] - collisionVertex[i]) * (pca[i] - collisionVertex[i]);
}
if (distanceMin < 0 || distance < distanceMin) {
Expand All @@ -670,7 +670,7 @@
std::array<float, 3> collisionVertex = getCollisionVertex(collisions, he3Hadcand.collisionID);

he3Hadcand.momHe3 = std::array{trackHe3.px(), trackHe3.py(), trackHe3.pz()};
for (int i = 0; i < 3; i++)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
he3Hadcand.momHe3[i] = he3Hadcand.momHe3[i] * 2;
he3Hadcand.momHad = std::array{trackHad.px(), trackHad.py(), trackHad.pz()};
float invMass = CommonInite;
Expand Down Expand Up @@ -1335,19 +1335,19 @@
continue;

const float itsNSigmaHad = settingHadPDGCode == PDG_t::kProton ? mResponseITS.nSigmaITS<o2::track::PID::Proton>(track.itsClusterSizes(), track.p(), track.eta()) : mResponseITS.nSigmaITS<o2::track::PID::Pion>(track.itsClusterSizes(), track.p(), track.eta());
mQaRegistry.fill(HIST("Had/h2NsigmaHadronITS_preselection"), track.pt(), itsNSigmaHad);
mQaRegistry.fill(HIST("Had/h2NsigmaHadronITS_preselection"), track.sign() * track.pt(), itsNSigmaHad);

if (selectDcaNsigmaCut(track, Species::kHad) && (itsNSigmaHad > settingCutNsigmaITSHad)) {

mQaRegistry.fill(HIST("Had/hHadronPt"), track.pt());
mQaRegistry.fill(HIST("Had/h2NsigmaHadronITS"), track.pt(), itsNSigmaHad);
mQaRegistry.fill(HIST("Had/hHadronPt"), track.sign() * track.pt());
mQaRegistry.fill(HIST("Had/h2NsigmaHadronITS"), track.sign() * track.pt(), itsNSigmaHad);

const float tpcNSigmaHad = computeTPCNSigmaHadron(track);
mQaRegistry.fill(HIST("Had/h2NsigmaHadronTPC_preselection"), track.pt(), tpcNSigmaHad);
mQaRegistry.fill(HIST("Had/h2NsigmaHadronTPC_preselection"), track.sign() * track.pt(), tpcNSigmaHad);

if (track.hasTOF()) {
const float tofNSigmaHad = computeTOFNSigmaHadron(track);
mQaRegistry.fill(HIST("Had/h2NsigmaHadronTOF_preselection"), track.pt(), tofNSigmaHad);
mQaRegistry.fill(HIST("Had/h2NsigmaHadronTOF_preselection"), track.sign() * track.pt(), tofNSigmaHad);
}
}

Expand All @@ -1358,10 +1358,10 @@
if (!selectTrack(track, Species::kHe3) || !selectDcaNsigmaCut(track, Species::kHe3) || (itsNSigmaHe3 < settingCutNsigmaITSHe3))
continue;

mQaRegistry.fill(HIST("He3/hHe3Pt"), ptHe3Corrected);
mQaRegistry.fill(HIST("He3/hHe3Pt"), track.sign() * ptHe3Corrected);
mQaRegistry.fill(HIST("He3/hDCAxyHe3"), track.dcaXY());
mQaRegistry.fill(HIST("He3/hDCAzHe3"), track.dcaZ());
mQaRegistry.fill(HIST("He3/h2NsigmaHe3ITS"), ptHe3Corrected, itsNSigmaHe3);
mQaRegistry.fill(HIST("He3/h2NsigmaHe3ITS"), track.sign() * ptHe3Corrected, itsNSigmaHe3);

bool heliumPID = track.pidForTracking() == o2::track::PID::Helium3 || track.pidForTracking() == o2::track::PID::Alpha;
float correctedTPCinnerParam = (heliumPID && settingCompensatePIDinTracking) ? track.tpcInnerParam() / 2.f : track.tpcInnerParam();
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