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[PWGCF] Added a number of track selection configurable parameters #15135

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Merged
victor-gonzalez merged 3 commits into from
Feb 24, 2026
+12 −2
Merged

[PWGCF] Added a number of track selection configurable parameters #15135

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10a1fea
Added a number of track selection configurable parameters
JStaa Feb 24, 2026
1fe3fa3
Please consider the following formatting changes
alibuild Feb 24, 2026
b012972
Merge pull request #51 from alibuild/alibot-cleanup-15135
JStaa Feb 24, 2026
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14 changes: 12 additions & 2 deletions PWGCF/MultiparticleCorrelations/Tasks/threeParticleCorrelations.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,9 @@ struct ThreeParticleCorrelations {
float pionPtMid1 = 1.6, pionPtMid2 = 2.0, kaonPtMid1 = 1.5, kaonPtMid2 = 2.0, protonPtMid = 2.3;
struct : ConfigurableGroup {
std::string prefix = "TrackSelection";
Configurable<float> chi2PerClusterTPC{"chi2PerClusterTPC", 4.0, "Maximum TPC goodness-of-fit Chi2 per cluster"};
Configurable<float> chi2PerClusterITS{"chi2PerClusterITS", 36.0, "Maximum ITS goodness-of-fit Chi2 per cluster"};
Configurable<float> dcaZ{"dcaZ", 2.0, "Maximum longitudinal DCA (cm)"};
Configurable<float> nSigmaTPCvar{"nSigmaTPCvar", 0.0, "Variation in the TPC nSigma"};
Configurable<float> nSigmaTOFvar{"nSigmaTOFvar", 0.0, "Variation in the TOF nSigma"};
} trackSelGroup;
Expand Down Expand Up @@ -117,7 +120,7 @@ struct ThreeParticleCorrelations {
// Table aliases - Data
using MyFilteredCollisions = soa::Filtered<soa::Join<aod::Collisions, aod::CentFT0Cs, aod::EvSels>>;
using MyFilteredCollision = MyFilteredCollisions::iterator;
using MyFilteredTracks = soa::Filtered<soa::Join<aod::Tracks, aod::TracksExtra, aod::TrackSelection,
using MyFilteredTracks = soa::Filtered<soa::Join<aod::Tracks, aod::TracksExtra, aod::TracksDCA, aod::TrackSelection,
aod::pidTPCPi, aod::pidTPCKa, aod::pidTPCPr,
aod::pidTOFFullPi, aod::pidTOFFullKa, aod::pidTOFFullPr, aod::pidTOFbeta>>;

Expand All @@ -130,7 +133,7 @@ struct ThreeParticleCorrelations {
using MCRecCollisions = soa::Join<aod::Collisions, aod::CentFT0Cs, aod::EvSels, aod::McCollisionLabels>;
using MyFilteredMCRecCollisions = soa::Filtered<MCRecCollisions>;
using MyMCV0s = soa::Join<aod::V0Datas, aod::McV0Labels>;
using MyFilteredMCTracks = soa::Filtered<soa::Join<aod::Tracks, aod::TracksExtra, aod::TrackSelection, aod::McTrackLabels,
using MyFilteredMCTracks = soa::Filtered<soa::Join<aod::Tracks, aod::TracksExtra, aod::TracksDCA, aod::TrackSelection, aod::McTrackLabels,
aod::pidTPCPi, aod::pidTPCKa, aod::pidTPCPr,
aod::pidTOFFullPi, aod::pidTOFFullKa, aod::pidTOFFullPr, aod::pidTOFbeta>>;

Expand Down Expand Up @@ -1108,6 +1111,13 @@ struct ThreeParticleCorrelations {
bool trackFilters(const TrackCand& track) // Track filter
{

if (track.tpcChi2NCl() > trackSelGroup.chi2PerClusterTPC || track.itsChi2NCl() > trackSelGroup.chi2PerClusterITS) {
return false;
}
if (track.dcaZ() > trackSelGroup.dcaZ) {
return false;
}

if (!track.hasTOF()) {
return false;
}
Expand Down
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