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[PWGLF] hStrangeCorrelationFilter.cxx and hStrangeCorrelation.cxx :fill correlation hist with mass and add some cuts #16779

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Merged
romainschotter merged 2 commits into from
Jun 23, 2026
Merged

[PWGLF] hStrangeCorrelationFilter.cxx and hStrangeCorrelation.cxx :fill correlation hist with mass and add some cuts #16779

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17 changes: 15 additions & 2 deletions PWGLF/TableProducer/Strangeness/hStrangeCorrelationFilter.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -123,6 +123,8 @@
Configurable<bool> assocRequireITS{"assocRequireITS", true, "require ITS signal in assoc tracks"};
Configurable<int> triggerMaxTPCSharedClusters{"triggerMaxTPCSharedClusters", 200, "maximum number of shared TPC clusters (inclusive)"};
Configurable<bool> triggerRequireL0{"triggerRequireL0", false, "require ITS L0 cluster for trigger"};
Configurable<bool> requireClusterInITS{"requireClusterInITS", false, "require cluster in ITS for V0 and cascade daughter tracks"};
Configurable<int> minITSClustersForDaughterTracks{"minITSClustersForDaughterTracks", 1, "Minimum number of ITS clusters for V0 daughter tracks"};

// Associated pion identification
Configurable<float> pionMinBayesProb{"pionMinBayesProb", 0.95, "minimal Bayesian probability for pion ID"};
Expand All @@ -143,6 +145,7 @@
Configurable<float> dcaPostopv{"dcaPostopv", 0.06, "DCA Pos To PV"};
Configurable<float> dcaBaryonToPV{"dcaBaryonToPV", 0.2, "DCA of baryon daughter track To PV"};
Configurable<float> dcaMesonToPV{"dcaMesonToPV", 0.05, "DCA of meson daughter track To PV"};
Configurable<float> dcaDaugToPVForK0s{"dcaDaugToPVForK0s", 0, "DCA of K0s daughter tracks To PV"};
Configurable<float> v0RadiusMin{"v0RadiusMin", 0.5, "v0radius"};
Configurable<float> v0RadiusMax{"v0RadiusMax", 200, "v0radius"};

Expand Down Expand Up @@ -229,7 +232,7 @@
Configurable<std::vector<float>> massParsK0Mean{"massParsK0Mean", {0.495967, 0.000095, 0.001120, 0.800000}, "pars in [0]+[1]*x+[2]*std::exp(-[3]*x)"};
Configurable<std::vector<float>> massParsK0Width{"massParsK0Width", {0.002324, 0.000600, 0.005076, 1.644687}, "pars in [0]+[1]*x+[2]*std::exp(-[3]*x)"};

Configurable<std::vector<float>> massParsLambdaMean{"massParsLambdaMean", {1.115554, 0.000002, -0.000311, 1.303969}, "pars in [0]+[1]*x+[2]*std::exp(-[3]*x)"};

Check failure on line 235 in PWGLF/TableProducer/Strangeness/hStrangeCorrelationFilter.cxx

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[pdg/explicit-mass] 

Avoid hard-coded particle masses. Use o2::constants::physics::Mass... instead.
Configurable<std::vector<float>> massParsLambdaWidth{"massParsLambdaWidth", {0.001066, 0.000168, 0.001893, 1.407199}, "pars in [0]+[1]*x+[2]*std::exp(-[3]*x)"};

Configurable<std::vector<float>> massParsCascadeMean{"massParsCascadeMean", {1.322150, -0.000087, -0.000761, 0.316391}, "pars in [0]+[1]*x+[2]*std::exp(-[3]*x)"};
Expand Down Expand Up @@ -764,9 +767,12 @@
continue;
if (posdau.tpcNClsCrossedRows() < trackSelections.minTPCNCrossedRows)
continue;
if (trackSelections.requireClusterInITS && (posdau.itsNCls() < trackSelections.minITSClustersForDaughterTracks || negdau.itsNCls() < trackSelections.minITSClustersForDaughterTracks))
continue;

float dcaDauCutForK0s = v0Selection.dcaDaugToPVForK0s == 0 ? v0Selection.dcaMesonToPV : v0Selection.dcaDaugToPVForK0s;
bool isGoodK0Short = (v0.distovertotmom(collision.posX(), collision.posY(), collision.posZ()) * o2::constants::physics::MassK0Short < v0Selection.lifetimecutK0S &&
std::abs(v0.dcapostopv()) > v0Selection.dcaMesonToPV && std::abs(v0.dcanegtopv()) > v0Selection.dcaMesonToPV &&
std::abs(v0.dcapostopv()) > dcaDauCutForK0s && std::abs(v0.dcanegtopv()) > dcaDauCutForK0s &&
v0.qtarm() * v0Selection.armPodCut > std::abs(v0.alpha()));
bool isGoodLambda = (v0.distovertotmom(collision.posX(), collision.posY(), collision.posZ()) * o2::constants::physics::MassLambda0 < v0Selection.lifetimecutLambda &&
std::abs(v0.dcapostopv()) > v0Selection.dcaBaryonToPV && std::abs(v0.dcanegtopv()) > v0Selection.dcaMesonToPV);
Expand Down Expand Up @@ -890,9 +896,12 @@
continue;
if (posdau.tpcNClsCrossedRows() < trackSelections.minTPCNCrossedRows)
continue;
if (trackSelections.requireClusterInITS && (posdau.itsNCls() < trackSelections.minITSClustersForDaughterTracks || negdau.itsNCls() < trackSelections.minITSClustersForDaughterTracks))
continue;

float dcaDauCutForK0s = v0Selection.dcaDaugToPVForK0s == 0 ? v0Selection.dcaMesonToPV : v0Selection.dcaDaugToPVForK0s;
bool isGoodK0Short = v0.distovertotmom(collision.posX(), collision.posY(), collision.posZ()) * o2::constants::physics::MassK0Short < v0Selection.lifetimecutK0S &&
std::abs(v0.dcapostopv()) > v0Selection.dcaMesonToPV && std::abs(v0.dcanegtopv()) > v0Selection.dcaMesonToPV &&
std::abs(v0.dcapostopv()) > dcaDauCutForK0s && std::abs(v0.dcanegtopv()) > dcaDauCutForK0s &&
v0.qtarm() * v0Selection.armPodCut > std::abs(v0.alpha());
bool isGoodLambda = v0.distovertotmom(collision.posX(), collision.posY(), collision.posZ()) * o2::constants::physics::MassLambda0 < v0Selection.lifetimecutLambda &&
std::abs(v0.dcapostopv()) > v0Selection.dcaBaryonToPV && std::abs(v0.dcanegtopv()) > v0Selection.dcaMesonToPV;
Expand Down Expand Up @@ -1035,6 +1044,8 @@
continue;
if (!doPPAnalysis && !cascadeSelectedPbPb(casc, collision.posX(), collision.posY(), collision.posZ()))
continue;
if (trackSelections.requireClusterInITS && (posTrackCast.itsNCls() < trackSelections.minITSClustersForDaughterTracks || negTrackCast.itsNCls() < trackSelections.minITSClustersForDaughterTracks || bachTrackCast.itsNCls() < trackSelections.minITSClustersForDaughterTracks))
continue;

bool isGoodNegCascadePbPb = std::abs(casc.dcabachtopv()) > cascSelection.dcaBachToPV && std::abs(casc.dcapostopv()) > cascSelection.cascDcaBaryonToPV &&
std::abs(casc.dcanegtopv()) > cascSelection.cascDcaMesonToPV;
Expand Down Expand Up @@ -1192,6 +1203,8 @@
continue;
if (!doPPAnalysis && !cascadeSelectedPbPb(casc, collision.posX(), collision.posY(), collision.posZ()))
continue;
if (trackSelections.requireClusterInITS && (posTrackCast.itsNCls() < trackSelections.minITSClustersForDaughterTracks || negTrackCast.itsNCls() < trackSelections.minITSClustersForDaughterTracks || bachTrackCast.itsNCls() < trackSelections.minITSClustersForDaughterTracks))
continue;
bool isGoodNegCascadePbPb = (std::abs(casc.dcabachtopv()) > cascSelection.dcaBachToPV && std::abs(casc.dcapostopv()) > cascSelection.cascDcaBaryonToPV &&
std::abs(casc.dcanegtopv()) > cascSelection.cascDcaMesonToPV);
bool isGoodPosCascadePbPb = (std::abs(casc.dcabachtopv()) > cascSelection.dcaBachToPV && std::abs(casc.dcapostopv()) > cascSelection.cascDcaMesonToPV &&
Expand Down
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