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[PWGLF,PWGMM] Add DCA plots #16827

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aortizve merged 1 commit into from
Jun 26, 2026
+7 −0
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[PWGLF,PWGMM] Add DCA plots #16827

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7 changes: 7 additions & 0 deletions PWGMM/UE/Tasks/uecharged.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -195,7 +195,7 @@
ue.add("hmultTrueGen", "mult true all Gen", HistType::kTH1F, {{200, -0.5, 199.5, " "}});
ue.add("hvtxZmc", "vtxZ mctrue", HistType::kTH1F, {{40, -20.0, 20.0, " "}});
ue.add("hPtLeadingTrue", "true pTleading after physics selection", HistType::kTH1D, {ptAxist});
for (int i = 0; i < 3; ++i) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
ue.add(hPtVsPtLeadingTrue[i].data(), " ", HistType::kTH2D, {{ptAxist}, {ptAxis}});
ue.add(hPtVsPtLeadingTruePS[i].data(), " ", HistType::kTH2D, {{ptAxist}, {ptAxis}});
ue.add(pNumDenTrueAll[i].data(), "", HistType::kTProfile, {ptAxist});
Expand All @@ -205,7 +205,7 @@
ue.add(pNumDenTruePS[i].data(), "", HistType::kTProfile, {ptAxist});
ue.add(pSumPtTruePS[i].data(), "", HistType::kTProfile, {ptAxist});
}
for (int i = 0; i < 3; ++i) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
ue.add(hPhiTrue[i].data(), "all charged true; #Delta#phi; Counts", HistType::kTH1D, {{64, -o2::constants::math::PI / 2.0, 3.0 * o2::constants::math::PI / 2.0, ""}});
}
}
Expand All @@ -230,7 +230,7 @@
h->GetXaxis()->SetBinLabel(6, "posZ passed");
h->GetXaxis()->SetBinLabel(7, "GoodITSLayersAll");

for (int i = 0; i < 3; ++i) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
ue.add(pNumDenMeasuredPS[i].data(), "Number Density; ; #LT #it{N}_{trk} #GT", HistType::kTProfile, {ptAxist});
ue.add(pSumPtMeasuredPS[i].data(), "Total #it{p}_{T}; ; #LT#sum#it{p}_{T}#GT", HistType::kTProfile, {ptAxist});
ue.add(hPhi[i].data(), "all charged; #Delta#phi; Counts", HistType::kTH1D, {{64, -o2::constants::math::PI / 2.0, 3.0 * o2::constants::math::PI / 2.0, ""}});
Expand All @@ -255,6 +255,8 @@
ue.add("hEtaLeadingVsPtLeading", " ", HistType::kTH2D, {{ptAxist}, {50, -2.5, 2.5, "#eta"}});

if (analyzeEvandTracksel) {
ue.add("hPtVsDCAxy", " ", HistType::kTH2D, {{ptAxis}, {225, -0.6, 0.6, "#it{DCA}_{xy} (cm)"}});
ue.add("hPtVsDCAz", " ", HistType::kTH2D, {{ptAxis}, {225, -0.6, 0.6, "#it{DCA}_{z} (cm)"}});
const AxisSpec axisVtxZ{500, -25., 25., ""};
ue.add("hVtxFT0VsVtxCol", " ", HistType::kTH2D, {{axisVtxZ}, {axisVtxZ}});
ue.add("hVtxFT0VsVtxCol_afterSel8", " ", HistType::kTH2D, {{axisVtxZ}, {axisVtxZ}});
Expand Down Expand Up @@ -305,20 +307,20 @@
{
float dphi = -999;
if (phia < 0) {
phia += 2 * o2::constants::math::PI;

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[two-pi-add-subtract] 

Use RecoDecay::constrainAngle to restrict angle to a given range.
} else if (phia > 2 * o2::constants::math::PI) {
phia -= 2 * o2::constants::math::PI;

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[two-pi-add-subtract] 

Use RecoDecay::constrainAngle to restrict angle to a given range.
}
if (phib < 0) {
phib += 2 * o2::constants::math::PI;

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[two-pi-add-subtract] 

Use RecoDecay::constrainAngle to restrict angle to a given range.
} else if (phib > 2 * o2::constants::math::PI) {
phib -= 2 * o2::constants::math::PI;

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[two-pi-add-subtract] 

Use RecoDecay::constrainAngle to restrict angle to a given range.
}
dphi = phib - phia;
if (dphi < rangeMin) {
dphi += 2 * o2::constants::math::PI;

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[two-pi-add-subtract] 

Use RecoDecay::constrainAngle to restrict angle to a given range.
} else if (dphi > rangeMax) {
dphi -= 2 * o2::constants::math::PI;

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[two-pi-add-subtract] 

Use RecoDecay::constrainAngle to restrict angle to a given range.
}
return dphi;
}
Expand Down Expand Up @@ -1169,12 +1171,17 @@

ue.fill(HIST("hvtxZ_after"), collision.posZ());

if (!isMCEventSelected(collision))
return;

int tracks_before = 0;
int tracks_after = 0;

for (auto& track : tracks) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.

if (track.hasITS() && track.hasTPC()) {
ue.fill(HIST("hPtVsDCAxy"), track.pt(), track.dcaXY());
ue.fill(HIST("hPtVsDCAz"), track.pt(), track.dcaZ());
ue.fill(HIST("preselection_track/ITS/itsNCls"), track.itsNCls());
ue.fill(HIST("preselection_track/ITS/itsChi2NCl"), track.itsChi2NCl());
ue.fill(HIST("preselection_track/ITS/itsClusterMap"), track.itsClusterMap());
Expand Down
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