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[PWGCF] Add multTPC for density efficiency in flowGfwOmegaXi.cxx #13798

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Merged
victor-gonzalez merged 2 commits into from
Nov 13, 2025
Merged

[PWGCF] Add multTPC for density efficiency in flowGfwOmegaXi.cxx #13798

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[PWGCF]: Add multTPC for density efficiency in flowGfwOmegaXi.cxx
fuchuncui Nov 12, 2025
a163dfe
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fuchuncui Nov 12, 2025
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74 changes: 55 additions & 19 deletions PWGCF/Flow/Tasks/flowGfwOmegaXi.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -212,7 +212,7 @@ struct FlowGfwOmegaXi {

using TracksPID = soa::Join<aod::pidTPCPi, aod::pidTPCKa, aod::pidTPCPr, aod::pidTOFPi, aod::pidTOFKa, aod::pidTOFPr>;
using AodTracks = soa::Filtered<soa::Join<aod::Tracks, aod::TrackSelection, o2::aod::TrackSelectionExtension, aod::TracksExtra, TracksPID, aod::TracksIU>>; // tracks filter
using AodCollisions = soa::Filtered<soa::Join<aod::Collisions, aod::EvSels, aod::CentFT0Cs, aod::Mults>>; // collisions filter
using AodCollisions = soa::Filtered<soa::Join<aod::Collisions, aod::EvSels, aod::CentFT0Cs, aod::MultsRun3>>; // collisions filter
using DaughterTracks = soa::Join<aod::Tracks, aod::TracksExtra, aod::TracksDCA, TracksPID, aod::TrackSelection, o2::aod::TrackSelectionExtension>;

// Connect to ccdb
Expand Down Expand Up @@ -356,9 +356,12 @@ struct FlowGfwOmegaXi {
registry.add("hEta", "", {HistType::kTH1D, {cfgaxisEta}});
registry.add("hVtxZ", "", {HistType::kTH1D, {cfgaxisVertex}});
registry.add("hMult", "", {HistType::kTH1D, {cfgaxisNch}});
registry.add("hMultTPC", "", {HistType::kTH1D, {cfgaxisNch}});
registry.add("hCent", "", {HistType::kTH1D, {{90, 0, 90}}});
registry.add("hCentvsNch", "", {HistType::kTH2D, {{18, 0, 90}, cfgaxisNch}});
registry.add("MC/hCentvsNchMC", "", {HistType::kTH2D, {{18, 0, 90}, cfgaxisNch}});
registry.add("hCentvsMultTPC", "", {HistType::kTH2D, {{18, 0, 90}, cfgaxisNch}});
registry.add("MC/hCentvsMultTPCMC", "", {HistType::kTH2D, {{18, 0, 90}, cfgaxisNch}});
registry.add("hPt", "", {HistType::kTH1D, {cfgaxisPt}});
registry.add("hEtaPhiVtxzREF", "", {HistType::kTH3D, {cfgaxisPhi, cfgaxisEta, {20, -10, 10}}});
registry.add("hEtaPhiVtxzPOIXi", "", {HistType::kTH3D, {cfgaxisPhi, cfgaxisEta, {20, -10, 10}}});
Expand Down Expand Up @@ -531,15 +534,26 @@ struct FlowGfwOmegaXi {
registry.add("InvMassLambda_all", "", {HistType::kTHnSparseF, {cfgaxisPtLambda, axisLambdaMass, cfgaxisEta, axisMultiplicity}});
registry.add("InvMassK0s", "", {HistType::kTHnSparseF, {cfgaxisPtK0s, axisK0sMass, cfgaxisEta, axisMultiplicity}});
registry.add("InvMassLambda", "", {HistType::kTHnSparseF, {cfgaxisPtLambda, axisLambdaMass, cfgaxisEta, axisMultiplicity}});
// for local density correlation
registry.add("MC/densityMCGenK0s", "", {HistType::kTH3D, {cfgaxisPtK0s, cfgaxisNch, cfgaxisLocalDensity}});
registry.add("MC/densityMCGenLambda", "", {HistType::kTH3D, {cfgaxisPtLambda, cfgaxisNch, cfgaxisLocalDensity}});
registry.add("MC/densityMCGenXi", "", {HistType::kTH3D, {cfgaxisPtXi, cfgaxisNch, cfgaxisLocalDensity}});
registry.add("MC/densityMCGenOmega", "", {HistType::kTH3D, {cfgaxisPtOmega, cfgaxisNch, cfgaxisLocalDensity}});
registry.add("MC/densityMCRecK0s", "", {HistType::kTHnSparseF, {cfgaxisPtK0s, cfgaxisNch, cfgaxisLocalDensity, axisK0sMass}});
registry.add("MC/densityMCRecLambda", "", {HistType::kTHnSparseF, {cfgaxisPtLambda, cfgaxisNch, cfgaxisLocalDensity, axisLambdaMass}});
registry.add("MC/densityMCRecXi", "", {HistType::kTHnSparseF, {cfgaxisPtXi, cfgaxisNch, cfgaxisLocalDensity, axisXiMass}});
registry.add("MC/densityMCRecOmega", "", {HistType::kTHnSparseF, {cfgaxisPtOmega, cfgaxisNch, cfgaxisLocalDensity, axisOmegaMass}});
// for local density correction
if (cfgOutputLocDenWeights) {
registry.add("MC/densityMCGenK0s", "", {HistType::kTH3D, {cfgaxisPtK0s, cfgaxisNch, cfgaxisLocalDensity}});
registry.add("MC/densityMCGenLambda", "", {HistType::kTH3D, {cfgaxisPtLambda, cfgaxisNch, cfgaxisLocalDensity}});
registry.add("MC/densityMCGenXi", "", {HistType::kTH3D, {cfgaxisPtXi, cfgaxisNch, cfgaxisLocalDensity}});
registry.add("MC/densityMCGenOmega", "", {HistType::kTH3D, {cfgaxisPtOmega, cfgaxisNch, cfgaxisLocalDensity}});
registry.add("MC/densityMCRecK0s", "", {HistType::kTHnSparseF, {cfgaxisPtK0s, cfgaxisNch, cfgaxisLocalDensity, axisK0sMass}});
registry.add("MC/densityMCRecLambda", "", {HistType::kTHnSparseF, {cfgaxisPtLambda, cfgaxisNch, cfgaxisLocalDensity, axisLambdaMass}});
registry.add("MC/densityMCRecXi", "", {HistType::kTHnSparseF, {cfgaxisPtXi, cfgaxisNch, cfgaxisLocalDensity, axisXiMass}});
registry.add("MC/densityMCRecOmega", "", {HistType::kTHnSparseF, {cfgaxisPtOmega, cfgaxisNch, cfgaxisLocalDensity, axisOmegaMass}});

registry.add("MC/densityMCGenK0sMultTPC", "", {HistType::kTH3D, {cfgaxisPtK0s, cfgaxisNch, cfgaxisLocalDensity}});
registry.add("MC/densityMCGenLambdaMultTPC", "", {HistType::kTH3D, {cfgaxisPtLambda, cfgaxisNch, cfgaxisLocalDensity}});
registry.add("MC/densityMCGenXiMultTPC", "", {HistType::kTH3D, {cfgaxisPtXi, cfgaxisNch, cfgaxisLocalDensity}});
registry.add("MC/densityMCGenOmegaMultTPC", "", {HistType::kTH3D, {cfgaxisPtOmega, cfgaxisNch, cfgaxisLocalDensity}});
registry.add("MC/densityMCRecK0sMultTPC", "", {HistType::kTHnSparseF, {cfgaxisPtK0s, cfgaxisNch, cfgaxisLocalDensity, axisK0sMass}});
registry.add("MC/densityMCRecLambdaMultTPC", "", {HistType::kTHnSparseF, {cfgaxisPtLambda, cfgaxisNch, cfgaxisLocalDensity, axisLambdaMass}});
registry.add("MC/densityMCRecXiMultTPC", "", {HistType::kTHnSparseF, {cfgaxisPtXi, cfgaxisNch, cfgaxisLocalDensity, axisXiMass}});
registry.add("MC/densityMCRecOmegaMultTPC", "", {HistType::kTHnSparseF, {cfgaxisPtOmega, cfgaxisNch, cfgaxisLocalDensity, axisOmegaMass}});
}

// Data
fGFW->AddRegion("reffull", -0.8, 0.8, 1, 1); // ("name", etamin, etamax, ptbinnum, bitmask)eta region -0.8 to 0.8
Expand Down Expand Up @@ -990,6 +1004,7 @@ struct FlowGfwOmegaXi {
{
o2::aod::ITSResponse itsResponse;
int nTot = tracks.size();
float nMultTPC = collision.multTPC();
auto bc = collision.bc_as<aod::BCsWithTimestamps>();
int runNumber = bc.runNumber();
double interactionRate = rateFetcher.fetch(ccdb.service, bc.timestamp(), runNumber, "ZNC hadronic") * 1.e-3;
Expand All @@ -1009,6 +1024,7 @@ struct FlowGfwOmegaXi {
float vtxz = collision.posZ();
registry.fill(HIST("hVtxZ"), vtxz);
registry.fill(HIST("hMult"), nTot);
registry.fill(HIST("hMultTPC"), nMultTPC);
registry.fill(HIST("hCent"), cent);

float weff = 1;
Expand Down Expand Up @@ -1049,6 +1065,7 @@ struct FlowGfwOmegaXi {
}
if (cfgDoLocDenCorr) {
registry.fill(HIST("hCentvsNch"), cent, nch);
registry.fill(HIST("hCentvsMultTPC"), cent, nMultTPC);
}
// fill GFW of V0 flow
double lowpt = trkQualityOpts.cfgCutPtPIDDauMin.value;
Expand Down Expand Up @@ -1164,8 +1181,10 @@ struct FlowGfwOmegaXi {
phibin = hLocalDensity->FindBin(RecoDecay::constrainAngle(v0.phi(), -constants::math::PI));
double density = hLocalDensity->Integral(phibin - cfgDeltaPhiLocDen, phibin + cfgDeltaPhiLocDen);
setCurrentLocalDensityWeights(wloc, v0, density, 1);
if (cfgOutputLocDenWeights)
if (cfgOutputLocDenWeights) {
registry.fill(HIST("MC/densityMCRecK0s"), v0.pt(), nch, density, v0.mK0Short());
registry.fill(HIST("MC/densityMCRecK0sMultTPC"), v0.pt(), nMultTPC, density, v0.mK0Short());
}
}
registry.fill(HIST("InvMassK0s"), v0.pt(), v0.mK0Short(), v0.eta(), cent);
registry.fill(HIST("hEtaPhiVtxzPOIK0s"), v0.phi(), v0.eta(), vtxz, wacc);
Expand All @@ -1188,8 +1207,10 @@ struct FlowGfwOmegaXi {
phibin = hLocalDensity->FindBin(RecoDecay::constrainAngle(v0.phi(), -constants::math::PI));
double density = hLocalDensity->Integral(phibin - cfgDeltaPhiLocDen, phibin + cfgDeltaPhiLocDen);
setCurrentLocalDensityWeights(wloc, v0, density, 2);
if (cfgOutputLocDenWeights)
if (cfgOutputLocDenWeights) {
registry.fill(HIST("MC/densityMCRecLambda"), v0.pt(), nch, density, v0.mLambda());
registry.fill(HIST("MC/densityMCRecLambdaMultTPC"), v0.pt(), nMultTPC, density, v0.mLambda());
}
}
registry.fill(HIST("InvMassLambda"), v0.pt(), v0.mLambda(), v0.eta(), cent);
registry.fill(HIST("hEtaPhiVtxzPOILambda"), v0.phi(), v0.eta(), vtxz, wacc);
Expand Down Expand Up @@ -1361,8 +1382,10 @@ struct FlowGfwOmegaXi {
phibin = hLocalDensity->FindBin(RecoDecay::constrainAngle(casc.phi(), -constants::math::PI));
double density = hLocalDensity->Integral(phibin - cfgDeltaPhiLocDen, phibin + cfgDeltaPhiLocDen);
setCurrentLocalDensityWeights(wloc, casc, density, 4);
if (cfgOutputLocDenWeights)
if (cfgOutputLocDenWeights) {
registry.fill(HIST("MC/densityMCRecOmega"), casc.pt(), nch, density, casc.mOmega());
registry.fill(HIST("MC/densityMCRecOmegaMultTPC"), casc.pt(), nMultTPC, density, casc.mOmega());
}
}
registry.fill(HIST("hEtaPhiVtxzPOIOmega"), casc.phi(), casc.eta(), vtxz, wacc);
registry.fill(HIST("hPhiOmega"), casc.phi());
Expand All @@ -1387,8 +1410,10 @@ struct FlowGfwOmegaXi {
phibin = hLocalDensity->FindBin(RecoDecay::constrainAngle(casc.phi(), -constants::math::PI));
double density = hLocalDensity->Integral(phibin - cfgDeltaPhiLocDen, phibin + cfgDeltaPhiLocDen);
setCurrentLocalDensityWeights(wloc, casc, density, 3);
if (cfgOutputLocDenWeights)
if (cfgOutputLocDenWeights) {
registry.fill(HIST("MC/densityMCRecXi"), casc.pt(), nch, density, casc.mXi());
registry.fill(HIST("MC/densityMCRecXiMultTPC"), casc.pt(), nMultTPC, density, casc.mXi());
}
}
registry.fill(HIST("hEtaPhiVtxzPOIXi"), casc.phi(), casc.eta(), vtxz, wacc);
registry.fill(HIST("hPhiXi"), casc.phi());
Expand Down Expand Up @@ -1518,14 +1543,17 @@ struct FlowGfwOmegaXi {
{
fGFW->Clear();
int nch = 0;
float nMultTPC = 0;
double cent = -1;
TH1D* hLocalDensity = new TH1D("hphi", "hphi", 400, -constants::math::TwoPI, constants::math::TwoPI);
for (const auto& collision : collisionsRec) {
if (!collision.sel8())
return;
if (eventSelected(collision, cent))
if (!eventSelected(collision, cent))
return;
cent = collision.centFT0C();
nMultTPC = collision.multTPC();
registry.fill(HIST("MC/hCentvsMultTPCMC"), cent, nMultTPC);
}
if (cent < 0)
return;
Expand Down Expand Up @@ -1572,30 +1600,38 @@ struct FlowGfwOmegaXi {
if (pdgCode == PDG_t::kXiMinus) {
int phibin = hLocalDensity->FindBin(RecoDecay::constrainAngle(straGen.phi(), -constants::math::PI));
double density = hLocalDensity->Integral(phibin - cfgDeltaPhiLocDen, phibin + cfgDeltaPhiLocDen);
if (cfgOutputLocDenWeights)
if (cfgOutputLocDenWeights) {
registry.fill(HIST("MC/densityMCGenXi"), straGen.pt(), nch, density);
registry.fill(HIST("MC/densityMCGenXiMultTPC"), straGen.pt(), nMultTPC, density);
}
fGFW->Fill(straGen.eta(), fXiPtAxis->FindBin(straGen.pt()) - 1, straGen.phi(), 1, 128);
}
if (pdgCode == PDG_t::kOmegaMinus) {
int phibin = hLocalDensity->FindBin(RecoDecay::constrainAngle(straGen.phi(), -constants::math::PI));
double density = hLocalDensity->Integral(phibin - cfgDeltaPhiLocDen, phibin + cfgDeltaPhiLocDen);
if (cfgOutputLocDenWeights)
if (cfgOutputLocDenWeights) {
registry.fill(HIST("MC/densityMCGenOmega"), straGen.pt(), nch, density);
registry.fill(HIST("MC/densityMCGenOmegaMultTPC"), straGen.pt(), nMultTPC, density);
}
fGFW->Fill(straGen.eta(), fOmegaPtAxis->FindBin(straGen.pt()) - 1, straGen.phi(), 1, 256);
}

if (pdgCode == PDG_t::kK0Short) {
int phibin = hLocalDensity->FindBin(RecoDecay::constrainAngle(straGen.phi(), -constants::math::PI));
double density = hLocalDensity->Integral(phibin - cfgDeltaPhiLocDen, phibin + cfgDeltaPhiLocDen);
if (cfgOutputLocDenWeights)
if (cfgOutputLocDenWeights) {
registry.fill(HIST("MC/densityMCGenK0s"), straGen.pt(), nch, density);
registry.fill(HIST("MC/densityMCGenK0sMultTPC"), straGen.pt(), nMultTPC, density);
}
fGFW->Fill(straGen.eta(), fK0sPtAxis->FindBin(straGen.pt()) - 1, straGen.phi(), 1, 512);
}
if (pdgCode == PDG_t::kLambda0) {
int phibin = hLocalDensity->FindBin(RecoDecay::constrainAngle(straGen.phi(), -constants::math::PI));
double density = hLocalDensity->Integral(phibin - cfgDeltaPhiLocDen, phibin + cfgDeltaPhiLocDen);
if (cfgOutputLocDenWeights)
if (cfgOutputLocDenWeights) {
registry.fill(HIST("MC/densityMCGenLambda"), straGen.pt(), nch, density);
registry.fill(HIST("MC/densityMCGenLambdaMultTPC"), straGen.pt(), nMultTPC, density);
}
fGFW->Fill(straGen.eta(), fLambdaPtAxis->FindBin(straGen.pt()) - 1, straGen.phi(), 1, 1024);
}
}
Expand Down
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