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[PWGCF] added pZDC correlations with ft0c and glb tracks as cent estimators #17928

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[PWGCF] added pZDC correlations with ft0c and glb tracks as cent estimators #17928

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added pZDC correlations with ft0c and glb tracks as cent estimators
Sep 15, 2026
8049292
whitespacce
Sep 15, 2026
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51 changes: 47 additions & 4 deletions PWGCF/Flow/Tasks/flowZdcTask.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,9 @@ using namespace o2::aod::evsel;

struct FlowZdcTask {
SliceCache cache;
Configurable<bool> useFT0M{"useFT0M", true, "FT0M for centrality"};
Configurable<bool> useFT0C{"useFT0C", false, "FT0C for centrality"};
Configurable<bool> useGlbTracks{"useGlbTracks", false, "GlbTracks for centrality"};
Configurable<float> cfgCutVertex{"cfgCutVertex", 10.0, "Accepted z-vertex range"};
Configurable<float> maxZem{"maxZem", 3099.5, "Max ZEM signal"};
// for ZDC info and analysis
Expand All @@ -65,6 +68,8 @@ struct FlowZdcTask {
Configurable<float> maxAmpFT0{"maxAmpFT0", 2500, "Max FT0 amp"};
Configurable<float> maxAmpFT0M{"maxAmpFT0M", 2500, "Max FT0M amp"};
Configurable<int> nBinsAmpFT0M{"nBinsAmpFT0M", 100, "N bins FT0M amp"};
Configurable<int> nBinsAmpFT0C{"nBinsAmpFT0C", 100, "N bins FT0C amp"};
Configurable<int> nBinsGlbTracks{"nBinsGlbTracks", 100, "N bins global tracks"};
Configurable<int> nBinsZDC{"nBinsZDC", 400, "nBinsZDC"};
Configurable<int> nBinsZP{"nBinsZP", 50, "nBinsZP"};
Configurable<int> nBinsZN{"nBinsZN", 50, "nBinsZN"};
Expand Down Expand Up @@ -199,6 +204,18 @@ struct FlowZdcTask {
xAxis->SetBinLabel(16, "Within TDC cut?");

if (doprocessQA) {
if (useFT0M) {
histos.add("ZPAZNAVsFT0M", ";T0A+T0C (#times 1/100);ZPA Amplitude;ZNA Amplitude;", kTH3F, {{{nBinsAmpFT0M, 0., maxAmpFT0M}, {nBinsZP, -0.5, maxZp}, {nBinsZN, -0.5, maxZn}}});
histos.add("ZPCZNCVsFT0M", ";T0A+T0C (#times 1/100);ZPC Amplitude;ZNC Amplitude;", kTH3F, {{{nBinsAmpFT0M, 0., maxAmpFT0M}, {nBinsZP, -0.5, maxZp}, {nBinsZN, -0.5, maxZn}}});
}
if (useFT0C) {
histos.add("ZPAZNAVsFT0C", ";T0C (#times 1/100);ZPA Amplitude;ZNA Amplitude;", kTH3F, {{{nBinsAmpFT0C, 0., maxAmpFT0}, {nBinsZP, -0.5, maxZp}, {nBinsZN, -0.5, maxZn}}});
histos.add("ZPCZNCVsFT0C", ";T0C (#times 1/100);ZPC Amplitude;ZNC Amplitude;", kTH3F, {{{nBinsAmpFT0C, 0., maxAmpFT0}, {nBinsZP, -0.5, maxZp}, {nBinsZN, -0.5, maxZn}}});
}
if (useGlbTracks) {
histos.add("ZPAZNAVsGlbTracks", ";N_{global tracks} (|#eta|<0.8);ZPA Amplitude;ZNA Amplitude;", kTH3F, {{{nBinsGlbTracks, minNch, maxNch}, {nBinsZP, -0.5, maxZp}, {nBinsZN, -0.5, maxZn}}});
histos.add("ZPCZNCVsGlbTracks", ";N_{global tracks} (|#eta|<0.8);ZPC Amplitude;ZNC Amplitude;", kTH3F, {{{nBinsGlbTracks, minNch, maxNch}, {nBinsZP, -0.5, maxZp}, {nBinsZN, -0.5, maxZn}}});
}
histos.add("ZNAVsFT0C", ";T0C (#times 1/100);ZNA Amplitude;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0}, {nBinsZDC, -0.5, maxZn}}});
histos.add("ZNAVsFT0M", ";T0A+T0C (#times 1/100);ZNA Amplitude;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0M}, {nBinsZDC, -0.5, maxZn}}});
histos.add("ZNCVsFT0C", ";T0C (#times 1/100);ZNC Amplitude;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0}, {nBinsZDC, -0.5, maxZn}}});
Expand Down Expand Up @@ -545,12 +562,28 @@ struct FlowZdcTask {
if (((tZNA >= minTdcZn) && (tZNA <= maxTdcZn)) && ((tZPA >= minTdcZp) && (tZPA <= maxTdcZp))) {
histos.fill(HIST("ZNAVsZPA"), zpA, znA);
histos.fill(HIST("CommonZNAVsZPA"), commonSumZpa, commonSumZna);
histos.fill(HIST("ZPAZNAVsFT0M"), (aT0A + aT0C) / 100., zpA, znA);
if (useFT0M) {
histos.fill(HIST("ZPAZNAVsFT0M"), (aT0A + aT0C) / 100., zpA, znA);
}
if (useFT0C) {
histos.fill(HIST("ZPAZNAVsFT0C"), aT0C / 100., zpA, znA);
}
if (useGlbTracks) {
histos.fill(HIST("ZPAZNAVsGlbTracks"), glbTracks, zpA, znA);
}
}
if (((tZNC >= minTdcZn) && (tZNC <= maxTdcZn)) && ((tZPC >= minTdcZp) && (tZPC <= maxTdcZp))) {
histos.fill(HIST("ZNCVsZPC"), zpC, znC);
histos.fill(HIST("CommonZNCVsZPC"), commonSumZpc, commonSumZnc);
histos.fill(HIST("ZPCZNCVsFT0M"), (aT0A + aT0C) / 100., zpC, znC);
if (useFT0M) {
histos.fill(HIST("ZPCZNCVsFT0M"), (aT0A + aT0C) / 100., zpC, znC);
}
if (useFT0C) {
histos.fill(HIST("ZPCZNCVsFT0C"), aT0C / 100., zpC, znC);
}
if (useGlbTracks) {
histos.fill(HIST("ZPCZNCVsGlbTracks"), glbTracks, zpC, znC);
}
}
} else {
histos.fill(HIST("ZNA"), znA);
Expand Down Expand Up @@ -583,8 +616,18 @@ struct FlowZdcTask {
histos.fill(HIST("ZPCVsNch"), glbTracks, zpC);
histos.fill(HIST("ZNCVsNch"), glbTracks, znC);
histos.fill(HIST("ZNAVsNch"), glbTracks, znA);
histos.fill(HIST("ZPAZNAVsFT0M"), (aT0A + aT0C) / 100., zpA, znA);
histos.fill(HIST("ZPCZNCVsFT0M"), (aT0A + aT0C) / 100., zpC, znC);
if (useFT0M) {
histos.fill(HIST("ZPAZNAVsFT0M"), (aT0A + aT0C) / 100., zpA, znA);
histos.fill(HIST("ZPCZNCVsFT0M"), (aT0A + aT0C) / 100., zpC, znC);
}
if (useFT0C) {
histos.fill(HIST("ZPAZNAVsFT0C"), aT0C / 100., zpA, znA);
histos.fill(HIST("ZPCZNCVsFT0C"), aT0C / 100., zpC, znC);
}
if (useGlbTracks) {
histos.fill(HIST("ZPAZNAVsGlbTracks"), glbTracks, zpA, znA);
histos.fill(HIST("ZPCZNCVsGlbTracks"), glbTracks, zpC, znC);
}
}
histos.fill(HIST("ZEM1"), aZEM1);
histos.fill(HIST("ZEM2"), aZEM2);
Expand Down
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