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[PWGCF] adjusted zdc correction factor #14405

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Merged
victor-gonzalez merged 1 commit into from
Jan 6, 2026
+5 −3
Merged

[PWGCF] adjusted zdc correction factor #14405

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8 changes: 5 additions & 3 deletions PWGCF/Flow/Tasks/flowZdcTask.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -78,7 +78,8 @@ struct FlowZdcTask {
Configurable<float> maxTdcZp{"maxTdcZp", -4.0, "maximum TDC for ZP"};
Configurable<float> cfgCollisionEnergy{"cfgCollisionEnergy", 2.68, "cfgCollisionEnergy"};
Configurable<bool> applyZdcCorrection{"applyZdcCorrection", false, "Apply ZP correction?"};
Configurable<float> zdcCoeff{"zdcCoeff", 0.021f, "Coefficient b in zdc correction"};
Configurable<float> zpaCoeff{"zpaCoeff", 0.021f, "Coefficient a in zpa correction"};
Configurable<float> zpcCoeff{"zpcCoeff", 0.021f, "Coefficient b in zpc correction"};
// event selection
Configurable<bool> isNoCollInTimeRangeStrict{"isNoCollInTimeRangeStrict", true, "isNoCollInTimeRangeStrict?"};
Configurable<bool> isNoCollInTimeRangeStandard{"isNoCollInTimeRangeStandard", false, "isNoCollInTimeRangeStandard?"};
Expand Down Expand Up @@ -467,8 +468,9 @@ struct FlowZdcTask {
float zpA = zdc.amplitudeZPA() / cfgCollisionEnergy;
float zpC = zdc.amplitudeZPC() / cfgCollisionEnergy;
if (applyZdcCorrection) {
const float b = zdcCoeff;
zpA = zpA - b * znA;
const float a = zpaCoeff;
const float b = zpcCoeff;
zpA = zpA - a * znA;
zpC = zpC - b * znC;
}
float commonSumZnc = zdc.energyCommonZNC() / cfgCollisionEnergy;
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