Skip to content

[PWGCF] Add DCAz cut for charge particles #14568

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
victor-gonzalez merged 1 commit into from
Jan 21, 2026
+34 −39
Merged

[PWGCF] Add DCAz cut for charge particles #14568

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
73 changes: 34 additions & 39 deletions PWGCF/Flow/Tasks/flowGfwOmegaXi.cxx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -147,8 +147,10 @@ struct FlowGfwOmegaXi {
O2_DEFINE_CONFIGURABLE(cfgCutPtPIDbachMin, float, 0.15f, "Minimal pT for daughter PID")
O2_DEFINE_CONFIGURABLE(cfgCutPtPIDdauLaPrMin, float, 0.15f, "Minimal pT for daughter PID")
O2_DEFINE_CONFIGURABLE(cfgCutPtPIDdauLaPiMin, float, 0.15f, "Minimal pT for daughter PID")
O2_DEFINE_CONFIGURABLE(cfgCutDCAz, float, 2.0f, "Minimal pT for daughter PID")
// track quality selections for daughter track
O2_DEFINE_CONFIGURABLE(cfgITSNCls, int, 5, "check minimum number of ITS clusters")
O2_DEFINE_CONFIGURABLE(cfgITSNCls, int, 3, "check minimum number of ITS clusters")
O2_DEFINE_CONFIGURABLE(cfgChITSNCls, int, 5, "check minimum number of ITS clusters")
O2_DEFINE_CONFIGURABLE(cfgTPCNCls, int, 50, "check minimum number of TPC hits")
O2_DEFINE_CONFIGURABLE(cfgTPCCrossedRows, int, 70, "check minimum number of TPC crossed rows")
O2_DEFINE_CONFIGURABLE(cfgCheckGlobalTrack, bool, false, "check global track")
Expand All @@ -164,6 +166,7 @@ struct FlowGfwOmegaXi {
O2_DEFINE_CONFIGURABLE(cfgDoNoCollInTimeRangeStandard, bool, true, "check kNoCollInTimeRangeStandard")
O2_DEFINE_CONFIGURABLE(cfgDoIsGoodITSLayersAll, bool, true, "check kIsGoodITSLayersAll")
O2_DEFINE_CONFIGURABLE(cfgCutOccupancyHigh, int, 500, "High cut on TPC occupancy")
O2_DEFINE_CONFIGURABLE(cfgDoZResAndNumContribCut, bool, true, "check kNoTimeFrameBorder")
O2_DEFINE_CONFIGURABLE(cfgDoMultPVCut, bool, true, "do multNTracksPV vs cent cut")
O2_DEFINE_CONFIGURABLE(cfgMultPVCut, std::vector<float>, (std::vector<float>{3074.43, -106.192, 1.46176, -0.00968364, 2.61923e-05, 182.128, -7.43492, 0.193901, -0.00256715, 1.22594e-05}), "Used MultPVCut function parameter")
O2_DEFINE_CONFIGURABLE(cfgDoV0AT0Acut, bool, true, "do V0A-T0A cut")
Expand Down Expand Up @@ -211,11 +214,11 @@ struct FlowGfwOmegaXi {
AxisSpec axisMultiplicity{{0, 5, 10, 20, 30, 40, 50, 60, 70, 80, 90}, "Centrality (%)"};

Filter collisionFilter = nabs(aod::collision::posZ) < cfgCutVertex;
Filter trackFilter = (nabs(aod::track::eta) < trkQualityOpts.cfgCutEta.value) && (aod::track::pt > trkQualityOpts.cfgCutPtPOIMin.value) && (aod::track::pt < trkQualityOpts.cfgCutPtPOIMax.value) && ((requireGlobalTrackInFilter()) || (aod::track::isGlobalTrackSDD == (uint8_t) true)) && (aod::track::tpcChi2NCl < cfgCutChi2prTPCcls);
Filter trackFilter = (nabs(aod::track::eta) < trkQualityOpts.cfgCutEta.value) && (aod::track::pt > trkQualityOpts.cfgCutPtPOIMin.value) && (aod::track::pt < trkQualityOpts.cfgCutPtPOIMax.value) && ((requireGlobalTrackInFilter()) || (aod::track::isGlobalTrackSDD == (uint8_t) true)) && (aod::track::tpcChi2NCl < cfgCutChi2prTPCcls) && (nabs(aod::track::dcaZ) < trkQualityOpts.cfgCutDCAz.value);

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::CentFT0Ms, aod::MultsRun3>>; // collisions filter
using AodTracks = soa::Filtered<soa::Join<aod::Tracks, aod::TrackSelection, o2::aod::TrackSelectionExtension, aod::TracksExtra, TracksPID, aod::TracksIU, aod::TracksDCA>>; // tracks filter
using AodCollisions = soa::Filtered<soa::Join<aod::Collisions, aod::EvSels, aod::CentFT0Cs, aod::CentFT0Ms, 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 @@ -363,15 +366,12 @@ struct FlowGfwOmegaXi {
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("hNTracksPVvsCentrality", "", {HistType::kTH2D, {{5000, 0, 5000}, axisMultiplicity}});
registry.add("hNTracksPVvsCentrality", "", {HistType::kTH2D, {{5000, 0, 5000}, {100, 0, 100}}});
registry.add("hmultFV0AvsmultFT0A", "", {HistType::kTH2D, {{5000, 0, 5000}, {5000, 0, 5000}}});
registry.add("hPt", "", {HistType::kTH1D, {cfgaxisPt}});

runNumbers = cfgRunNumbers;
if (cfgOutputrunbyrun) {
runNumbers = cfgRunNumbers;
for (const auto& runNumber : runNumbers) {
if (cfgOutputQA) {
std::vector<std::shared_ptr<TH1>> histosPhi(kCount_TH1Names);
Expand Down Expand Up @@ -957,21 +957,23 @@ struct FlowGfwOmegaXi {
return 0;
}
registry.fill(HIST("hEventCount"), 8.5);
float vtxz = -999;
if (collision.numContrib() > 1) {
vtxz = collision.posZ();
float zRes = std::sqrt(collision.covZZ());
double zResMin = 0.25;
int numContMax = 20;
if (zRes > zResMin && collision.numContrib() < numContMax)
vtxz = -999;
}
auto multNTracksPV = collision.multNTracksPV();
auto occupancy = collision.trackOccupancyInTimeRange();

float vtxz = collision.posZ();
if (evtSeleOpts.cfgDoZResAndNumContribCut.value) {
if (collision.numContrib() > 1) {
float zRes = std::sqrt(collision.covZZ());
double zResMin = 0.25;
int numContMax = 20;
if (zRes > zResMin && collision.numContrib() < numContMax)
vtxz = -999;
}
}
if (std::fabs(vtxz) > cfgCutVertex)
return false;

auto multNTracksPV = collision.multNTracksPV();
auto occupancy = collision.trackOccupancyInTimeRange();

registry.fill(HIST("hNTracksPVvsCentrality"), multNTracksPV, centrality);
if (evtSeleOpts.cfgDoMultPVCut.value) {
if (multNTracksPV < fMultPVCutLow->Eval(centrality))
Expand All @@ -987,6 +989,7 @@ struct FlowGfwOmegaXi {
registry.fill(HIST("hEventCount"), 10.5);

// V0A T0A 5 sigma cut
registry.fill(HIST("hmultFV0AvsmultFT0A"), collision.multFV0A(), collision.multFT0A());
if (evtSeleOpts.cfgDoV0AT0Acut.value) {
int nsigma = 5;
if (std::fabs(collision.multFV0A() - fT0AV0AMean->Eval(collision.multFT0A())) > nsigma * fT0AV0ASigma->Eval(collision.multFT0A()))
Expand Down Expand Up @@ -1028,14 +1031,16 @@ struct FlowGfwOmegaXi {
if (!eventSelected(collision, cent, interactionRate))
return;
int matchedPosition = -1;
for (uint64_t idxPosition = 0; idxPosition < this->runNumbers.size(); idxPosition++) {
if (this->runNumbers[idxPosition] == runNumber) {
matchedPosition = idxPosition;
break;
if (cfgOutputrunbyrun) {
for (uint64_t idxPosition = 0; idxPosition < this->runNumbers.size(); idxPosition++) {
if (this->runNumbers[idxPosition] == runNumber) {
matchedPosition = idxPosition;
break;
}
}
if (matchedPosition == -1) {
return;
}
}
if (matchedPosition == -1) {
return;
}

TH1D* hLocalDensity = new TH1D("hphi", "hphi", 400, -constants::math::TwoPI, constants::math::TwoPI);
Expand All @@ -1056,7 +1061,7 @@ struct FlowGfwOmegaXi {
if (!setCurrentParticleWeights(weff, wacc, track, vtxz, 0))
continue;
}
if ((track.tpcNClsFound() <= trkQualityOpts.cfgTPCNCls.value) || (track.tpcNClsCrossedRows() <= trkQualityOpts.cfgTPCCrossedRows.value) || (track.itsNCls() <= trkQualityOpts.cfgITSNCls.value))
if ((track.tpcNClsFound() <= trkQualityOpts.cfgTPCNCls.value) || (track.tpcNClsCrossedRows() <= trkQualityOpts.cfgTPCCrossedRows.value) || (track.itsNCls() <= trkQualityOpts.cfgChITSNCls.value))
continue;
registry.fill(HIST("hPhi"), track.phi());
registry.fill(HIST("hPhicorr"), track.phi(), wacc);
Expand Down Expand Up @@ -1085,10 +1090,6 @@ struct FlowGfwOmegaXi {
registry.fill(HIST("correction/hRunNumberPhiEtaVertex"), matchedPosition, track.phi(), track.eta(), vtxz);
}
}
if (cfgDoLocDenCorr) {
registry.fill(HIST("hCentvsNch"), cent, nch);
registry.fill(HIST("hCentvsMultTPC"), cent, nMultTPC);
}
// fill GFW of V0 flow
double lowpt = trkQualityOpts.cfgCutPtPIDDauMin.value;
double bachPtcut = trkQualityOpts.cfgCutPtPIDbachMin.value;
Expand Down Expand Up @@ -1580,7 +1581,6 @@ struct FlowGfwOmegaXi {
return;
cent = collision.centFT0C();
nMultTPC = collision.multTPC();
registry.fill(HIST("MC/hCentvsMultTPCMC"), cent, nMultTPC);
}
if (cent < 0)
return;
Expand Down Expand Up @@ -1613,7 +1613,6 @@ struct FlowGfwOmegaXi {
}
}
}
registry.fill(HIST("MC/hCentvsNchMC"), cent, nch);

for (const auto& straGen : tracksGen) {
if (!straGen.isPhysicalPrimary())
Expand Down Expand Up @@ -1738,10 +1737,6 @@ struct FlowGfwOmegaXi {
}
}

if (cfgDoLocDenCorr) {
registry.fill(HIST("hCentvsNch"), cent, nch);
}

for (const auto& casc : Cascades) {
if (!casc.has_mcParticle())
continue;
Expand Down
Loading