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[PWGLF] Added has_foundFT0 event selection #15106

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Merged
dmallick2 merged 1 commit into from
Feb 22, 2026
+16 −6
Merged

[PWGLF] Added has_foundFT0 event selection #15106

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22 changes: 16 additions & 6 deletions PWGLF/Tasks/Resonances/kstar892LightIon.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -97,6 +97,8 @@ struct Kstar892LightIon {
Configurable<bool> isVertexITSTPC{"isVertexITSTPC", false, "Vertex ITS TPC"};
Configurable<bool> isVertexTOFMatched{"isVertexTOFMatched", false, "Vertex TOF Matched"};

Configurable<bool> isApplyhasFT0{"isApplyhasFT0", false, "Apply has_foundFT0 event selection"};

// check
Configurable<bool> isApplyMCGenInelgt0{"isApplyMCGenInelgt0", true, "Apply INEL>0 cut in MC Gen Collisions"};
Configurable<bool> isApplyMCGenTVX{"isApplyMCGenTVX", true, "Apply TVX cut in MC Gen Collisions"};
Expand Down Expand Up @@ -156,10 +158,10 @@ struct Kstar892LightIon {
// Fixed variables
float lowPtCutPID = 0.5;

Configurable<bool> selHasFT0{"selHasFT0", true, "Has FT0?"};
Configurable<bool> selHasFT0MC{"selHasFT0MC", true, "Has FT0?"};
Configurable<bool> isZvtxPosSelMC{"isZvtxPosSelMC", true, "Zvtx position selection for MC events?"};
Configurable<bool> selTVXMC{"selTVXMC", true, "apply TVX selection in MC?"};
Configurable<bool> selINELgt0{"selINELgt0", true, "Select INEL > 0?"};
Configurable<bool> selINELgt0MC{"selINELgt0MC", true, "Select INEL > 0?"};
} selectionConfig;

Configurable<bool> calcLikeSign{"calcLikeSign", true, "Calculate Like Sign"};
Expand Down Expand Up @@ -252,7 +254,9 @@ struct Kstar892LightIon {
std::string("kIsGoodZvtxFT0vsPV") + check(selectionConfig.isGoodZvtxFT0vsPV.value),
std::string("isVertexITSTPC") + check(selectionConfig.isVertexITSTPC.value),
std::string("isVertexTOFMatched") + check(selectionConfig.isVertexTOFMatched.value),
std::string("INEL > 0") + check(selectionConfig.isApplyINELgt0.value)};
std::string("INEL > 0") + check(selectionConfig.isApplyINELgt0.value),
std::string("hasFT0") + check(selectionConfig.isApplyhasFT0.value)};

// assign labels
for (size_t i = 0; i < eveCutLabels.size(); ++i) {
hEventSelection.get<TH1>(HIST("hEventCut"))->GetXaxis()->SetBinLabel(i + 1, eveCutLabels[i].c_str());
Expand Down Expand Up @@ -499,6 +503,12 @@ struct Kstar892LightIon {
if (fillHist)
hEventSelection.fill(HIST("hEventCut"), 14);

if (selectionConfig.isApplyhasFT0 && !collision.has_foundFT0()) {
return false;
}
if (fillHist)
hEventSelection.fill(HIST("hEventCut"), 15);

return true;
}

Expand Down Expand Up @@ -2124,7 +2134,7 @@ struct Kstar892LightIon {
//---------------------------
// Only INEL > 0 generated events
//---------------------------
if (selectionConfig.selINELgt0) {
if (selectionConfig.selINELgt0MC) {
if (!(nChMC > ZeroInt)) {
return;
}
Expand Down Expand Up @@ -2157,7 +2167,7 @@ struct Kstar892LightIon {
centrality = collision.centFT0M(); // default
}

if (selectionConfig.selHasFT0 && !collision.has_foundFT0()) {
if (selectionConfig.selHasFT0MC && !collision.has_foundFT0()) {
continue;
}

Expand Down Expand Up @@ -2194,7 +2204,7 @@ struct Kstar892LightIon {
//---------------------------
// Reject collisions if has_foundFT0() returns false
//---------------------------
if (selectionConfig.selHasFT0 && !collision.has_foundFT0()) {
if (selectionConfig.selHasFT0MC && !collision.has_foundFT0()) {
hMC.fill(HIST("MCCheck/CentVsFoundFT0"), centrality, 0.5);
continue;
}
Expand Down
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