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[PWGHF] add pT(p) axes to THnSparse in dataCreatorHiddenCharm #16270

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Merged
apalasciano merged 3 commits into from
May 16, 2026
+9 −4
Merged

[PWGHF] add pT(p) axes to THnSparse in dataCreatorHiddenCharm #16270

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794afd3
[PWGHF] add pT axis to THnSparse
apalasciano May 16, 2026
63f8f49
Please consider the following formatting changes
alibuild May 16, 2026
7258b80
Merge pull request #22 from alibuild/alibot-cleanup-16270
apalasciano May 16, 2026
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13 changes: 9 additions & 4 deletions PWGHF/D2H/TableProducer/dataCreatorHiddenCharmReduced.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -147,6 +147,7 @@ struct HfDataCreatorHiddenCharmReduced {

if (config.fillHistograms) {
const AxisSpec axisPt{360, 0., 36., "#it{p}_{T}^{proton} (GeV/#it{c})"};
const AxisSpec axisPtEtaC{100, 0., 10., "#it{p}_{T}^{#eta_{c}} (GeV/#it{c})"};
const AxisSpec axisEta{100, -1., 1., "#eta"};
const AxisSpec axisDca{400, -2., 2., "DCA_{xy} to primary vertex (cm)"};
const AxisSpec axisNSigmaTPC{100, -5., 5., "n#sigma_{TPC}"};
Expand All @@ -169,10 +170,9 @@ struct HfDataCreatorHiddenCharmReduced {
registry.add("hTpcChi2NCl", "Selected proton tracks;#it{p}_{T}^{track} (GeV/#it{c}); TpcChi2NCl", {HistType::kTH2D, {axisPt, {10, 0., 10, "TpcChi2NCl"}}});
registry.add("hItsNCls", "Selected proton tracks;#it{p}_{T}^{track} (GeV/#it{c});ItsNCls", {HistType::kTH2D, {axisPt, {7, 0, 7, "ItsNCls"}}});
registry.add("hItsChi2NCl", "Selected proton tracks;#it{p}_{T}^{track} (GeV/#it{c}); ItsChi2NCl", {HistType::kTH2D, {axisPt, {10, 0., 10, "ItsChi2NCl"}}});
registry.add("hInvMass", "Invariant mass of selected proton with all other tracks in the event;#it{p}_{T}^{proton} (GeV/#it{c});", {HistType::kTH2D, {axisPt, axisMass}});
registry.add("hInvMassSparse", "Invariant mass of selected proton with all other tracks in the event;#it{p}_{T}^{proton} (GeV/#it{c});", {HistType::kTH2D, {axisPt, axisMass}});
registry.add("hInvMass", "Invariant mass of selected protons pairs;#it{p}_{T}^{#eta_{c}} (GeV/#it{c});", {HistType::kTH2D, {axisPtEtaC, axisMass}});
registry.add("hDeDxTPCProton", "Selected proton tracks;#it{p}_{T}^{track} (GeV/#it{c});TPC dE/dx (a.u.)", {HistType::kTH2D, {axisPt, AxisSpec{100, 0., 200., "TPC dE/dx (a.u.)"}}});
registry.add("hMassPtCutVars", "Charmonia candidates;#it{M} (p#overline{p}) (GeV/#it{c}^{2});#it{p}_{T}(cc) (GeV/#it{c}); n#sigma_{TPC}^{p1}; n#sigma_{TOF}^{p1}; dca_{xy}^{p1}; n#sigma_{TPC}^{p2}; n#sigma_{TOF}^{p2}; dca_{xy}^{p2}", {HistType::kTHnSparseF, {axisMass, axisPt, axisNSigmaTPC, axisNSigmaTOF, axisDca, axisNSigmaTPC, axisNSigmaTOF, axisDca}});
registry.add("hMassPtCutVars", "Charmonia candidates;#it{M} (p#overline{p}) (GeV/#it{c}^{2});#it{p}_{T}(cc) (GeV/#it{c}); p_{T}^{p}; n#sigma_{TPC}^{p}; n#sigma_{TOF}^{p}; dca_{xy}^{p}; p_{T}^{#overline{p}}; n#sigma_{TPC}^{#overline{p}}; n#sigma_{TOF}^{#overline{p}}; dca_{xy}^{#overline{p}}", {HistType::kTHnSparseF, {axisMass, axisPtEtaC, axisPt, axisNSigmaTPC, axisNSigmaTOF, axisDca, axisPt, axisNSigmaTPC, axisNSigmaTOF, axisDca}});
}

// init HF event selection helper
Expand Down Expand Up @@ -340,6 +340,7 @@ struct HfDataCreatorHiddenCharmReduced {
registry.fill(HIST("hTpcChi2NCl"), trk.pt(), trk.tpcChi2NCl());
registry.fill(HIST("hItsNCls"), trk.pt(), trk.itsNCls());
registry.fill(HIST("hItsChi2NCl"), trk.pt(), trk.itsChi2NCl());
registry.fill(HIST("hDeDxTPCProton"), trk.pt(), trk.tpcSignal());
}
}
// skip event if not at least a pair of tracks skimming selection
Expand Down Expand Up @@ -368,7 +369,11 @@ struct HfDataCreatorHiddenCharmReduced {
float ptEtac = RecoDecay::pt(RecoDecay::sumOfVec(pVec1, pVec2));
registry.fill(HIST("hInvMass"), ptEtac, invMass);
if (config.fillSparses.value) {
registry.fill(HIST("hMassPtCutVars"), invMass, ptEtac, t1.tpcNSigmaPr(), t1.tofNSigmaPr(), t1.dcaXY(), t2.tpcNSigmaPr(), t2.tofNSigmaPr(), t2.dcaXY());
if (t1.sign() > 0) {
registry.fill(HIST("hMassPtCutVars"), invMass, ptEtac, t1.pt(), t1.tpcNSigmaPr(), t1.tofNSigmaPr(), t1.dcaXY(), t2.pt(), t2.tpcNSigmaPr(), t2.tofNSigmaPr(), t2.dcaXY());
} else {
registry.fill(HIST("hMassPtCutVars"), invMass, ptEtac, t2.pt(), t2.tpcNSigmaPr(), t2.tofNSigmaPr(), t2.dcaXY(), t1.pt(), t1.tpcNSigmaPr(), t1.tofNSigmaPr(), t1.dcaXY());
}
}
}
}
Expand Down
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