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[PWGCF] adding track selection and correction #15023

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Merged
victor-gonzalez merged 4 commits into from
Feb 18, 2026
+23 −4
Merged

[PWGCF] adding track selection and correction #15023

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a61dcdf
adding track selection and correction
jikim1290 Feb 18, 2026
10e3770
adding track selection and correction
jikim1290 Feb 18, 2026
f32a0d0
adding track selection and correction
jikim1290 Feb 18, 2026
fb994ea
adding track selection and correction
jikim1290 Feb 18, 2026
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27 changes: 23 additions & 4 deletions PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -249,6 +249,11 @@ struct jEPFlowAnalysis {
return;
}

if (cfgEffCor) {
auto bc = coll.bc_as<aod::BCsWithTimestamps>();
effMap = ccdb->getForTimeStamp<THnT<float>>(cfgEffCorDir, bc.timestamp());
}

float cent = coll.cent();
epFlowHistograms.fill(HIST("hCentrality"), cent);
epFlowHistograms.fill(HIST("hVertex"), coll.posZ());
Expand Down Expand Up @@ -287,6 +292,13 @@ struct jEPFlowAnalysis {

float weight = 1.0;

qx_shifted[0] = coll.qvecRe()[4 * detId + harmInd];
qy_shifted[0] = coll.qvecIm()[4 * detId + harmInd];
qx_shifted[1] = coll.qvecRe()[4 * refAId + harmInd];
qy_shifted[1] = coll.qvecIm()[4 * refAId + harmInd];
qx_shifted[2] = coll.qvecRe()[4 * refBId + harmInd];
qy_shifted[2] = coll.qvecIm()[4 * refBId + harmInd];

if (cfgManShiftCorr) {
constexpr int kShiftBins = 10;
for (int ishift = 1; ishift <= kShiftBins; ishift++) {
Expand Down Expand Up @@ -334,14 +346,21 @@ struct jEPFlowAnalysis {
epFlowHistograms.fill(HIST("EpResQvecRefARefBxy"), i + 2, cent, qx_shifted[2] * qy_shifted[1] - qx_shifted[1] * qy_shifted[2]);

for (const auto& track : tracks) {
if (trackSel(track))
continue;

if (cfgEffCor) {
weight /= getEfficiencyCorrection(effMap, track.eta(), track.pt(), cent, coll.posZ());
}

float vn = std::cos((i + 2) * (track.phi() - eps[0]));
float vnSin = std::sin((i + 2) * (track.phi() - eps[0]));

epFlowHistograms.fill(HIST("vncos"), i + 2, cent, track.pt(), vn * weight);
epFlowHistograms.fill(HIST("vnsin"), i + 2, cent, track.pt(), vnSin * weight);
epFlowHistograms.fill(HIST("vncos"), i + 2, cent, track.pt(), vn, weight);
epFlowHistograms.fill(HIST("vnsin"), i + 2, cent, track.pt(), vnSin, weight);

epFlowHistograms.fill(HIST("SPvnxx"), i + 2, cent, track.pt(), (std::cos(track.phi() * static_cast<float>(i + 2)) * qx_shifted[0] + std::sin(track.phi() * static_cast<float>(i + 2)) * qy_shifted[0]) * weight);
epFlowHistograms.fill(HIST("SPvnxy"), i + 2, cent, track.pt(), (std::sin(track.phi() * static_cast<float>(i + 2)) * qx_shifted[0] - std::cos(track.phi() * static_cast<float>(i + 2)) * qy_shifted[0]) * weight);
epFlowHistograms.fill(HIST("SPvnxx"), i + 2, cent, track.pt(), (std::cos(track.phi() * static_cast<float>(i + 2)) * qx_shifted[0] + std::sin(track.phi() * static_cast<float>(i + 2)) * qy_shifted[0]), weight);
epFlowHistograms.fill(HIST("SPvnxy"), i + 2, cent, track.pt(), (std::sin(track.phi() * static_cast<float>(i + 2)) * qx_shifted[0] - std::cos(track.phi() * static_cast<float>(i + 2)) * qy_shifted[0]), weight);
}
}
}
Expand Down
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