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[PWGEM/PhotonMeson] Add multiplicity cut for HNM analysis #10963

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Merged
mhemmer-cern merged 3 commits into from
Apr 24, 2025
Merged

[PWGEM/PhotonMeson] Add multiplicity cut for HNM analysis #10963

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f49b391
[PWGEM/PhotonMeson] Add multiplicity cut for HNM analysis
Apr 23, 2025
a7eac44
Please consider the following formatting changes
alibuild Apr 23, 2025
14dd1c5
Merge pull request #18 from alibuild/alibot-cleanup-10963
nstrangm Apr 23, 2025
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4 changes: 4 additions & 0 deletions PWGEM/PhotonMeson/Tasks/HeavyNeutralMeson.cxx
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Original file line number Diff line number Diff line change
@@ -1,3 +1,3 @@
// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
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Configurable<LabeledArray<float>> cfgMassWindowOmega{"cfgMassWindowOmega", {DefaultMassWindows[0], 4, {"pi0_min", "pi0_max", "omega_min", "omega_max"}}, "Mass window for selected omegas and their decay pi0"};
Configurable<LabeledArray<float>> cfgMassWindowEtaPrime{"cfgMassWindowEtaPrime", {DefaultMassWindows[1], 4, {"eta_min", "eta_max", "etaprime_min", "etaprime_max"}}, "Mass window for selected eta' and their decay eta"};

Configurable<float> cfgMaxMultiplicity{"cfgMaxMultiplicity", 5000, "Maximum number of tracks in a collision (can be used to increase the S/B -> Very experimental)"};
Configurable<float> cfgMinGGPtOverHNMPt{"cfgMinGGPtOverHNMPt", 0., "Minimum ratio of the pT of the gamma gamma pair over the pT of the HNM (can be used to increase the S/B)"};

HistogramRegistry mHistManager{"HeavyNeutralMesonHistograms", {}, OutputObjHandlingPolicy::AnalysisObject};
Expand Down Expand Up @@ -210,6 +211,9 @@
if (confEvtRequireSel8 && !col.sel8()) {
return false;
}
if (col.multNTracksPV() > cfgMaxMultiplicity) {
return false;
}
return true;
}

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