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[PWGCF] jEPFlowAnalysis.cxx: add q2 selection from ccdb #16758

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Merged
wenyaCern merged 3 commits into from
Jun 22, 2026
+46 −4
Merged

[PWGCF] jEPFlowAnalysis.cxx: add q2 selection from ccdb #16758

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8dba04c
add q2 selection from ccdb
jikim1290 Jun 22, 2026
7411a04
Please consider the following formatting changes
alibuild Jun 22, 2026
95997ef
Merge pull request #197 from alibuild/alibot-cleanup-16758
jikim1290 Jun 22, 2026
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50 changes: 46 additions & 4 deletions PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -134,14 +134,18 @@
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<int> cfgq2analysis{"cfgq2analysis", 0, "ese analysis selection mode"};
Configurable<std::vector<float>> cfgMultq2SelBin{"cfgMultq2SelBin", {0, 5, 10, 20, 30, 40, 50, 60, 70, 80, 100}, ""};
Configurable<std::vector<float>> cfgMultq2high{"cfgMultq2high", {}, ""};
Configurable<std::vector<float>> cfgMultq2low{"cfgMultq2low", {}, ""};
Configurable<float> cfgQ2SelFrac{"cfgQ2SelFrac", 0.5, "ese analysis q2 selection with cfgq2analysis=2"};

Configurable<int> cfgJetSubEvtSel{"cfgJetSubEvtSel", 0, "0: none, 1: Ratio, 2: relative ratio"};
Configurable<std::vector<float>> cfgJetSubEvlSelVar{"cfgJetSubEvlSelVar", {}, ""};

Configurable<std::string> cfgQselHistPath{"cfgQselHistPath", "", "CCDB path for q2 histogram"};
Configurable<bool> cfgEventQAonly{"cfgEventQAonly", false, "event loop only"};

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 Down Expand Up @@ -187,6 +191,9 @@
std::string fullCCDBShiftCorrPath;

THn* effMap = nullptr;
TH3F* q2Map = nullptr;
float q2selHigh = 100.;
float q2selLow = 0.;

std::vector<float> ft0RelGainConst{};
std::vector<float> fv0RelGainConst{};
Expand Down Expand Up @@ -399,6 +406,11 @@

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

if (cfgq2analysis == 2) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
q2selHigh = q2Map->GetBinContent(q2Map->GetXaxis()->FindBin(i + 2), q2Map->GetYaxis()->FindBin(cent), q2Map->GetZaxis()->FindBin(cfgQ2SelFrac));
q2selLow = q2Map->GetBinContent(q2Map->GetXaxis()->FindBin(i + 2), q2Map->GetYaxis()->FindBin(cent), q2Map->GetZaxis()->FindBin(1. - cfgQ2SelFrac));
}

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 @@ -419,10 +431,10 @@
if (cfgJetSubEvtSel) {
epFlowHistograms.fill(HIST("EpResQvecEvslDetRefAxx"), i + 2, cent, qx_shifted[0] * qx_shifted[1] + qy_shifted[0] * qy_shifted[1]);
epFlowHistograms.fill(HIST("EpResQvecEvslDetRefBxx"), i + 2, cent, qx_shifted[0] * qx_shifted[2] + qy_shifted[0] * qy_shifted[2]);
epFlowHistograms.fill(HIST("EpResQvecEvslRefARefBxy"), i + 2, cent, qx_shifted[2] * qy_shifted[1] - qx_shifted[1] * qy_shifted[2]);
epFlowHistograms.fill(HIST("EpResQvecEvslRefARefBxx"), i + 2, cent, qx_shifted[1] * qx_shifted[2] + qy_shifted[1] * qy_shifted[2]);
}

if (cfgq2analysis) {
if (cfgq2analysis == 1) {
if (q2sel(q2Mag, true)) {
epFlowHistograms.fill(HIST("EpResQvecDetRefAxx_q2high"), i + 2, cent, qx_shifted[0] * qx_shifted[1] + qy_shifted[0] * qy_shifted[1]);
epFlowHistograms.fill(HIST("EpResQvecDetRefBxx_q2high"), i + 2, cent, qx_shifted[0] * qx_shifted[2] + qy_shifted[0] * qy_shifted[2]);
Expand All @@ -432,6 +444,20 @@
epFlowHistograms.fill(HIST("EpResQvecDetRefBxx_q2low"), i + 2, cent, qx_shifted[0] * qx_shifted[2] + qy_shifted[0] * qy_shifted[2]);
epFlowHistograms.fill(HIST("EpResQvecRefARefBxx_q2low"), i + 2, cent, qx_shifted[1] * qx_shifted[2] + qy_shifted[1] * qy_shifted[2]);
}
} else if (cfgq2analysis == 2) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
if (q2Mag > q2selHigh) {
epFlowHistograms.fill(HIST("EpResQvecDetRefAxx_q2high"), i + 2, cent, qx_shifted[0] * qx_shifted[1] + qy_shifted[0] * qy_shifted[1]);
epFlowHistograms.fill(HIST("EpResQvecDetRefBxx_q2high"), i + 2, cent, qx_shifted[0] * qx_shifted[2] + qy_shifted[0] * qy_shifted[2]);
epFlowHistograms.fill(HIST("EpResQvecRefARefBxx_q2high"), i + 2, cent, qx_shifted[1] * qx_shifted[2] + qy_shifted[1] * qy_shifted[2]);
} else if (q2Mag < q2selLow) {
epFlowHistograms.fill(HIST("EpResQvecDetRefAxx_q2low"), i + 2, cent, qx_shifted[0] * qx_shifted[1] + qy_shifted[0] * qy_shifted[1]);
epFlowHistograms.fill(HIST("EpResQvecDetRefBxx_q2low"), i + 2, cent, qx_shifted[0] * qx_shifted[2] + qy_shifted[0] * qy_shifted[2]);
epFlowHistograms.fill(HIST("EpResQvecRefARefBxx_q2low"), i + 2, cent, qx_shifted[1] * qx_shifted[2] + qy_shifted[1] * qy_shifted[2]);
}
}

if (cfgEventQAonly) {
continue;
}

highestPt = 0.0;
Expand All @@ -458,12 +484,18 @@
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 (cfgq2analysis == 1) {
if (q2sel(q2Mag, true)) {
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 (q2sel(q2Mag, false)) {
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);
}
} else if (cfgq2analysis == 2) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
if (q2Mag > q2selHigh) {
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 < q2selLow) {
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);
}
}
}
if (i == 0) { // second harmonic only
Expand Down Expand Up @@ -642,6 +674,16 @@
}
}

if (cfgq2analysis == 2) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
auto bc = coll.bc_as<aod::BCsWithTimestamps>();
currentRunNumber = bc.runNumber();
if (currentRunNumber != lastRunNumber) {
std::string fullPath;
fullPath = cfgQselHistPath;
q2Map = ccdb->getForTimeStamp<TH3F>(cfgQselHistPath, bc.timestamp());
}
}

cent = coll.cent();
epFlowHistograms.fill(HIST("hCentrality"), cent);
epFlowHistograms.fill(HIST("hVertex"), coll.posZ());
Expand Down
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