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[PWGCF] jEPFlowAnalysis.cxx: adding q2 analysis #16238

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Merged
wenyaCern merged 2 commits into from
May 13, 2026
+26 −0
Merged

[PWGCF] jEPFlowAnalysis.cxx: adding q2 analysis #16238

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8905bc8
adding q2 analysis
jikim1290 May 13, 2026
a67c5c2
o-linter fix
jikim1290 May 13, 2026
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26 changes: 26 additions & 0 deletions PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -111,6 +111,10 @@ struct JEPFlowAnalysis {
Configurable<std::string> cfgShiftPath{"cfgShiftPath", "Users/j/junlee/Qvector/QvecCalib/Shift", "Path for Shift"};
Configurable<float> cfgVertexZ{"cfgVertexZ", 10.0, "Maximum vertex Z selection"};

Configurable<bool> cfgq2analysis{"cfgq2analysis", false, "ese analysis flag"};
Configurable<float> cfgq2high{"cfgq2high", 10.0, "high q2 selection"};
Configurable<float> cfgq2low{"cfgq2low", 0.0, "low q2 selection"};

Configurable<std::string> cfgDetName{"cfgDetName", "FT0C", "The name of detector to be analyzed"};
Configurable<std::string> cfgRefAName{"cfgRefAName", "TPCPos", "The name of detector for reference A"};
Configurable<std::string> cfgRefBName{"cfgRefBName", "TPCNeg", "The name of detector for reference B"};
Expand All @@ -120,6 +124,7 @@ struct JEPFlowAnalysis {
ConfigurableAxis cfgAxisEta{"cfgAxisEta", {20, -1, 1}, ""};
ConfigurableAxis cfgAxisCos{"cfgAxisCos", {102, -1.02, 1.02}, ""};
ConfigurableAxis cfgAxisQvec{"cfgAxisQvec", {200, -5.0, 5.0}, ""};
ConfigurableAxis cfgAxisQ2{"cfgAxisQ2", {100, 0, 10}, ""};

ConfigurableAxis cfgAxisCentMC{"cfgAxisCentMC", {5, 0, 100}, ""};
ConfigurableAxis cfgAxisVtxZMC{"cfgAxisVtxZMC", {20, -10, 10}, ""};
Expand All @@ -141,6 +146,8 @@ struct JEPFlowAnalysis {

float minQvecAmp = 1e-5;
float minChg = 0.1;
float q2Mag;

std::vector<TProfile3D*> shiftprofile{};
std::string fullCCDBShiftCorrPath;

Expand Down Expand Up @@ -284,6 +291,8 @@ struct JEPFlowAnalysis {
float resNumB = helperEP.GetResolution(eps[0], eps[2], i + 2);
float resDenom = helperEP.GetResolution(eps[1], eps[2], i + 2);

q2Mag = std::sqrt(std::pow(qx_shifted[0], 2) + std::pow(qy_shifted[0], 2));

epFlowHistograms.fill(HIST("EpDet"), i + 2, cent, eps[0]);
epFlowHistograms.fill(HIST("EpRefA"), i + 2, cent, eps[1]);
epFlowHistograms.fill(HIST("EpRefB"), i + 2, cent, eps[2]);
Expand All @@ -292,6 +301,8 @@ struct JEPFlowAnalysis {
epFlowHistograms.fill(HIST("EpResDetRefB"), i + 2, cent, resNumB);
epFlowHistograms.fill(HIST("EpResRefARefB"), i + 2, cent, resDenom);

epFlowHistograms.fill(HIST("hQ2"), i + 2, cent, q2Mag);

epFlowHistograms.fill(HIST("EpResQvecDetRefAxx"), i + 2, cent, qx_shifted[0] * qx_shifted[1] + qy_shifted[0] * qy_shifted[1]);
epFlowHistograms.fill(HIST("EpResQvecDetRefAxy"), i + 2, cent, qx_shifted[1] * qy_shifted[0] - qx_shifted[0] * qy_shifted[1]);
epFlowHistograms.fill(HIST("EpResQvecDetRefBxx"), i + 2, cent, qx_shifted[0] * qx_shifted[2] + qy_shifted[0] * qy_shifted[2]);
Expand All @@ -315,6 +326,14 @@ struct JEPFlowAnalysis {

epFlowHistograms.fill(HIST("SPvnxx"), i + 2, cent, track.pt(), track.eta(), (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(), track.eta(), (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);

if (cfgq2analysis) {
if (q2Mag > cfgq2high) {
epFlowHistograms.fill(HIST("SPvnxx_q2high"), i + 2, cent, track.pt(), track.eta(), (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);
} else if (q2Mag < cfgq2low) {
epFlowHistograms.fill(HIST("SPvnxx_q2low"), i + 2, cent, track.pt(), track.eta(), (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);
}
}
}
}
}
Expand Down Expand Up @@ -351,6 +370,7 @@ struct JEPFlowAnalysis {
AxisSpec axisEta{cfgAxisEta, "eta"};
AxisSpec axisCos{cfgAxisCos, "cos"};
AxisSpec axisQvec{cfgAxisQvec, "Qvec"};
AxisSpec axisQ2{cfgAxisQ2, "Q2"};

AxisSpec axisCentMC{cfgAxisCentMC, "cent"};
AxisSpec axisVtxZMC{cfgAxisVtxZMC, "vtxz"};
Expand All @@ -366,6 +386,8 @@ struct JEPFlowAnalysis {
epFlowHistograms.add("EpResDetRefB", "", {HistType::kTH3F, {axisMod, axisCent, axisEvtPl}});
epFlowHistograms.add("EpResRefARefB", "", {HistType::kTH3F, {axisMod, axisCent, axisEvtPl}});

epFlowHistograms.add("hQ2", "", {HistType::kTH3F, {axisMod, axisCent, axisQ2}});

epFlowHistograms.add("vncos", "", {HistType::kTHnSparseF, {axisMod, axisCent, axisPt, axisCos}});
epFlowHistograms.add("vnsin", "", {HistType::kTHnSparseF, {axisMod, axisCent, axisPt, axisCos}});

Expand All @@ -378,6 +400,10 @@ struct JEPFlowAnalysis {

epFlowHistograms.add("SPvnxx", "", {HistType::kTHnSparseF, {axisMod, axisCent, axisPt, axisEta, axisQvec}});
epFlowHistograms.add("SPvnxy", "", {HistType::kTHnSparseF, {axisMod, axisCent, axisPt, axisEta, axisQvec}});
if (cfgq2analysis) {
epFlowHistograms.add("SPvnxx_q2high", "", {HistType::kTHnSparseF, {axisMod, axisCent, axisPt, axisEta, axisQvec}});
epFlowHistograms.add("SPvnxx_q2low", "", {HistType::kTHnSparseF, {axisMod, axisCent, axisPt, axisEta, axisQvec}});
}

epFlowHistograms.add("hCentrality", "", {HistType::kTH1F, {axisCent}});
epFlowHistograms.add("hVertex", "", {HistType::kTH1F, {axisVertex}});
Expand Down
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