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[PWGHF] Add TPC nSigma vs P #12780

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Merged
jpxrk merged 6 commits into from
Aug 29, 2025
Merged

[PWGHF] Add TPC nSigma vs P #12780

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8b56286
Change variable names
jpxrk Aug 13, 2025
5bbb7c5
Change enumeration names
jpxrk Aug 14, 2025
c5a777b
Add ITS chi2 requirement, TPC and ITS refit conditions
jpxrk Aug 18, 2025
d943cc3
Add TPC nSigma vs P plots
jpxrk Aug 29, 2025
dace993
Merge branch 'AliceO2Group:master' into master
jpxrk Aug 29, 2025
9cdbc67
Merge branch 'master' of github.com:jpxrk/O2Physics
jpxrk Aug 29, 2025
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6 changes: 6 additions & 0 deletions PWGHF/HFL/Tasks/taskSingleElectron.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,7 @@ struct HfTaskSingleElectron {
Configurable<float> tpcNSigmaMin{"tpcNSigmaMin", -1., "min of tpc nsigma"};
Configurable<float> tpcNSigmaMax{"tpcNSigmaMax", 3., "max of tpc nsigma"};

Configurable<int> nBinsP{"nBinsP", 1500, "number of bins of particle momentum"};
Configurable<int> nBinsPt{"nBinsPt", 100, "N bins in pT histo"};

// SliceCache
Expand All @@ -112,6 +113,7 @@ struct HfTaskSingleElectron {
const AxisSpec axisNCont{100, 0., 100., "nCont"};
const AxisSpec axisPosZ{600, -30., 30., "Z_{pos}"};
const AxisSpec axisEta{30, -1.5, +1.5, "#eta"};
const AxisSpec axisP{nBinsP, 0., 15., "p_{T}"};
const AxisSpec axisPt{nBinsPt, 0., 15., "p_{T}"};
const AxisSpec axisNsig{800, -20., 20.};
const AxisSpec axisTrackIp{4000, -0.2, 0.2, "dca"};
Expand Down Expand Up @@ -139,7 +141,9 @@ struct HfTaskSingleElectron {
// pid
histos.add("tofNSigPt", "", kTH2D, {{axisPtEl}, {axisNsig}});
histos.add("tofNSigPtQA", "", kTH2D, {{axisPtEl}, {axisNsig}});
histos.add("tpcNSigP", "", kTH2D, {{axisP}, {axisNsig}});
histos.add("tpcNSigPt", "", kTH2D, {{axisPtEl}, {axisNsig}});
histos.add("tpcNSigPAfterTofCut", "", kTH2D, {{axisP}, {axisNsig}});
histos.add("tpcNSigPtAfterTofCut", "", kTH2D, {{axisPtEl}, {axisNsig}});
histos.add("tpcNSigPtQA", "", kTH2D, {{axisPtEl}, {axisNsig}});

Expand Down Expand Up @@ -430,12 +434,14 @@ struct HfTaskSingleElectron {
histos.fill(HIST("dcaZTrack"), track.dcaZ());

histos.fill(HIST("tofNSigPt"), track.pt(), track.tofNSigmaEl());
histos.fill(HIST("tpcNSigP"), track.p(), track.tpcNSigmaEl());
histos.fill(HIST("tpcNSigPt"), track.pt(), track.tpcNSigmaEl());

if (std::abs(track.tofNSigmaEl()) > tofNSigmaMax) {
continue;
}
histos.fill(HIST("tofNSigPtQA"), track.pt(), track.tofNSigmaEl());
histos.fill(HIST("tpcNSigPAfterTofCut"), track.p(), track.tpcNSigmaEl());
histos.fill(HIST("tpcNSigPtAfterTofCut"), track.pt(), track.tpcNSigmaEl());

if (track.tpcNSigmaEl() < tpcNSigmaMin || track.tpcNSigmaEl() > tpcNSigmaMax) {
Expand Down
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