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[PWGLF] Fix Kshort selection #15527

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Merged
dmallick2 merged 1 commit into from
Mar 27, 2026
+12 −11
Merged

[PWGLF] Fix Kshort selection #15527

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23 changes: 12 additions & 11 deletions PWGLF/Tasks/Resonances/chargedkstaranalysis.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -185,6 +185,7 @@ struct Chargedkstaranalysis {
Configurable<bool> confincludeCentralityMC{"confincludeCentralityMC", false, "Include centrality in MC"};
Configurable<bool> confEvtCollInTimeRangeStandard{"confEvtCollInTimeRangeStandard", true, "Evt sel: apply NoCollInTimeRangeStandard"};
Configurable<bool> confEvtCollInTimeRangeNarrow{"confEvtCollInTimeRangeNarrow", false, "Evt sel: apply NoCollInTimeRangeNarrow"};

Configurable<bool> confEvtCollInTimeRangeStrict{"confEvtCollInTimeRangeStrict", false, "Evt sel: apply NoCollInTimeRangeStrict"};
Configurable<bool> confEvtNoCollInRofStandard{"confEvtNoCollInRofStandard", false, "Evt sel: apply NoCollInRofStandard"};
Configurable<bool> confEvtNoCollInRofStrict{"confEvtNoCollInRofStrict", false, "Evt sel: apply NoCollInRofStrict"};
Expand Down Expand Up @@ -295,9 +296,7 @@ struct Chargedkstaranalysis {
{
centrality = -999;

rctCut.rctChecker.init(rctCut.cfgEvtRCTFlagCheckerLabel, rctCut.cfgEvtRCTFlagCheckerZDCCheck, rctCut.cfgEvtRCTFlagCheckerLimitAcceptAsBad);

colCuts.setCuts(eventCutCfgs.confEvtZvtx, eventCutCfgs.confEvtTriggerCheck, eventCutCfgs.confEvtOfflineCheck, /*checkRun3*/ true, /*triggerTVXsel*/ false, eventCutCfgs.confEvtOccupancyInTimeRangeMax, eventCutCfgs.confEvtOccupancyInTimeRangeMin);
colCuts.setCuts(eventCutCfgs.confEvtZvtx, eventCutCfgs.confEvtTriggerCheck, eventCutCfgs.confEvtOfflineCheck, /*checkRun3*/ true, eventCutCfgs.confEvtTriggerTVXSel, eventCutCfgs.confEvtOccupancyInTimeRangeMax, eventCutCfgs.confEvtOccupancyInTimeRangeMin);
colCuts.init(&histos);
colCuts.setTriggerTVX(eventCutCfgs.confEvtTriggerTVXSel);
colCuts.setApplyTFBorderCut(eventCutCfgs.confEvtTFBorderCut);
Expand All @@ -318,6 +317,8 @@ struct Chargedkstaranalysis {
colCuts.setApplyBBT0A(eventCutCfgs.confEvtBBT0A);
colCuts.setApplyBBT0C(eventCutCfgs.confEvtBBT0C);

rctCut.rctChecker.init(rctCut.cfgEvtRCTFlagCheckerLabel, rctCut.cfgEvtRCTFlagCheckerZDCCheck, rctCut.cfgEvtRCTFlagCheckerLimitAcceptAsBad);

AxisSpec centAxis = {axisCfgs.cfgBinsCent, "T0M (%)"};
AxisSpec vtxzAxis = {axisCfgs.cfgBinsVtxZ, "Z Vertex (cm)"};
AxisSpec ptAxis = {axisCfgs.cfgBinsPt, "#it{p}_{T} (GeV/#it{c})"};
Expand All @@ -329,7 +330,7 @@ struct Chargedkstaranalysis {
AxisSpec dcaxyAxis = {200, 0, 2, "DCA_{#it{xy}} (cm)"};
AxisSpec dcazAxis = {200, 0, 2, "DCA_{#it{z}} (cm)"};
AxisSpec yAxis = {100, -1, 1, "Rapidity"};
AxisSpec invMassAxisK0s = {400 / cNbinsDiv, 0.3, 0.7, "Invariant Mass (GeV/#it{c}^2)"}; // K0s ~497.611
AxisSpec invMassAxisK0s = {800 / cNbinsDiv, 0.46, 0.54, "Invariant Mass (GeV/#it{c}^2)"}; // K0s ~497.611
AxisSpec invMassAxisReso = {900 / cNbinsDiv, 0.5f, 1.4f, "Invariant Mass (GeV/#it{c}^2)"}; // chK(892) ~892
AxisSpec invMassAxisScan = {150, 0, 1.5, "Invariant Mass (GeV/#it{c}^2)"}; // For selection
AxisSpec pidQAAxis = {130, -6.5, 6.5};
Expand Down Expand Up @@ -702,13 +703,13 @@ struct Chargedkstaranalysis {
bool selectionK0s(CollisionType const& collision, K0sType const& candidate)
{
int ibin = 1;
auto dauDCA = candidate.dcaV0daughters();
auto dauPosDCAtoPV = candidate.dcapostopv();
auto dauNegDCAtoPV = candidate.dcanegtopv();
auto dauDCA = std::fabs(candidate.dcaV0daughters());
auto dauPosDCAtoPV = std::fabs(candidate.dcapostopv());
auto dauNegDCAtoPV = std::fabs(candidate.dcanegtopv());
auto pT = candidate.pt();
auto rapidity = candidate.yK0Short();
auto v0Radius = candidate.v0radius();
auto dcaToPV = candidate.dcav0topv();
auto dcaToPV = std::fabs(candidate.dcav0topv());
auto cosPA = candidate.v0cosPA();
auto propTauK0s = candidate.distovertotmom(collision.posX(), collision.posY(), collision.posZ()) * massK0s;
auto mK0s = candidate.mK0Short();
Expand All @@ -717,20 +718,20 @@ struct Chargedkstaranalysis {

bool returnFlag = true;
histos.fill(HIST("QA/K0sCutCheck"), ibin);
if (dauDCA > secondaryCutsCfgs.cSecondaryDauDCAMax) {
if (std::fabs(dauDCA) > secondaryCutsCfgs.cSecondaryDauDCAMax) {
returnFlag = false;
}
ibin++;
if (returnFlag == true)
histos.fill(HIST("QA/K0sCutCheck"), ibin);
if (dauPosDCAtoPV < secondaryCutsCfgs.cSecondaryDauPosDCAtoPVMin) {
if (std::fabs(dauPosDCAtoPV) < secondaryCutsCfgs.cSecondaryDauPosDCAtoPVMin) {
returnFlag = false;
}
ibin++;
if (returnFlag == true)
histos.fill(HIST("QA/K0sCutCheck"), ibin);

if (dauNegDCAtoPV < secondaryCutsCfgs.cSecondaryDauNegDCAtoPVMin) {
if (std::fabs(dauNegDCAtoPV) < secondaryCutsCfgs.cSecondaryDauNegDCAtoPVMin) {
returnFlag = false;
}
ibin++;
Expand Down
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