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[PWGLF] Update to include DCA cut #12672

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Merged
abmodak merged 6 commits into from
Aug 21, 2025
Merged

[PWGLF] Update to include DCA cut #12672

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2d311e8
Update to include DCA cut
tutripat Aug 21, 2025
72eb665
Please consider the following formatting changes
alibuild Aug 21, 2025
c0826f3
Merge pull request #5 from alibuild/alibot-cleanup-12672
tutripat Aug 21, 2025
659cfd6
Update dndeta-mft-pp.cxx
tutripat Aug 21, 2025
ffdf8a1
Please consider the following formatting changes
alibuild Aug 21, 2025
ee8ee9e
Merge pull request #6 from alibuild/alibot-cleanup-12672
tutripat Aug 21, 2025
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18 changes: 18 additions & 0 deletions PWGLF/Tasks/GlobalEventProperties/dndeta-mft-pp.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,7 @@

#include "TFile.h"

#include <algorithm>
#include <chrono>
#include <cmath>
#include <cstdint>
Expand Down Expand Up @@ -91,6 +92,7 @@
"max allowed Z difference for reconstructed collisions (cm)"};

Configurable<bool> usePhiCut{"usePhiCut", true, "use azimuthal angle cut"};
Configurable<bool> useDCAxyCut{"useDCAxyCut", false, "use DCAxy cut"};
Configurable<float> cfgPhiCut{"cfgPhiCut", 0.1f,
"Cut on azimuthal angle of MFT tracks"};
Configurable<float> cfgPhiCut1{"cfgPhiCut1", 0.0f,
Expand All @@ -108,6 +110,7 @@
Configurable<float> cfgnEta2{"cfgnEta2", -1.0f,
"Cut on eta1"};
Configurable<float> cfgChi2NDFMax{"cfgChi2NDFMax", 2000.0f, "Max allowed chi2/NDF for MFT tracks"};
Configurable<float> maxDCAxy{"maxDCAxy", 2.0f, "Cut on dcaXY"};

HistogramRegistry registry{
"registry",
Expand Down Expand Up @@ -484,13 +487,13 @@
"Collect event sample stats", true);

Partition<aod::MFTTracks> sample =
(aod::fwdtrack::eta < -2.8f) && (aod::fwdtrack::eta > -3.2f);

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

Partition<aod::Tracks> sampleCentral = (nabs(aod::track::eta) < 1.f);

expressions::Filter atrackFilter =
(aod::fwdtrack::bestCollisionId >= 0) && (aod::fwdtrack::eta < -2.0f) &&

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
(aod::fwdtrack::eta > -3.9f) && (nabs(aod::fwdtrack::bestDCAXY) <= 2.f);

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

using CollwEv = soa::Join<aod::Collisions, aod::EvSels>;

Expand Down Expand Up @@ -551,7 +554,7 @@
}
registry.fill(HIST("TracksPhiEta"), phi, track.eta());
registry.fill(HIST("TracksPtEta"), track.pt(), track.eta());
if ((track.eta() < -2.0f) && (track.eta() > -3.9f)) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
registry.fill(HIST("TracksPhiZvtx"), phi, z);
}
}
Expand Down Expand Up @@ -585,9 +588,14 @@
float phi = track.phi();
o2::math_utils::bringTo02Pi(phi);
if (usePhiCut) {
if ((phi <= 0.02) || ((phi >= 3.10) && (phi <= 3.23)) || (phi >= 6.21))

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
continue;
}
float dcaxy_cut = retrack.bestDCAXY();
if (useDCAxyCut) {
if (dcaxy_cut > maxDCAxy)
continue;
}
if ((cfgnEta1 < track.eta()) && (track.eta() < cfgnEta2) && track.nClusters() >= cfgnCluster && retrack.ambDegree() > 0 && chi2ndf < cfgChi2NDFMax && (phi > cfgPhiCut1 && phi < cfgPhiCut2)) {
registry.fill(HIST("Tracks/2Danalysis/EtaZvtx"), track.eta(), z);
}
Expand Down Expand Up @@ -625,9 +633,14 @@
float phi = track.phi();
o2::math_utils::bringTo02Pi(phi);
if (usePhiCut) {
if ((phi <= 0.02) || ((phi >= 3.10) && (phi <= 3.23)) || (phi >= 6.21))

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
continue;
}
float dcaxy_cut = retrack.bestDCAXY();
if (useDCAxyCut) {
if (dcaxy_cut > maxDCAxy)
continue;
}
if ((cfgnEta1 < track.eta()) && (track.eta() < cfgnEta2) && track.nClusters() >= cfgnCluster && retrack.ambDegree() > 0 && chi2ndf < cfgChi2NDFMax && (phi > cfgPhiCut1 && phi < cfgPhiCut2)) {
registry.fill(HIST("Tracks/Control/Chi2NDF"), chi2ndf);
registry.fill(HIST("Tracks/2Danalysis/EtaZvtx_sel8"), track.eta(), z);
Expand All @@ -646,12 +659,17 @@
float ndf = std::max(2.0f * track.nClusters() - 5.0f, 1.0f);
float chi2ndf = track.chi2() / ndf;
float phi = track.phi();
float dcaxy_cut = retrack.bestDCAXY();
o2::math_utils::bringTo02Pi(phi);
if ((cfgnEta1 < track.eta()) && (track.eta() < cfgnEta2) && track.nClusters() >= cfgnCluster && chi2ndf < cfgChi2NDFMax && (phi > cfgPhiCut1 && phi < cfgPhiCut2)) {
if (usePhiCut) {
if ((phi <= 0.02) || ((phi >= 3.10) && (phi <= 3.23)) || (phi >= 6.21))

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
continue;
}
if (useDCAxyCut) {
if (dcaxy_cut > maxDCAxy)
continue;
}
registry.fill(HIST("TracksEtaZvtx"), track.eta(), z);
if (midtracks.size() > 0 && retrack.ambDegree() > 0) {
registry.fill(HIST("Tracks/EtaZvtx_gt0"), track.eta(), z);
Expand All @@ -667,7 +685,7 @@
registry.fill(HIST("Tracks/Control/TrackCount"), 0);
registry.fill(HIST("TracksPhiEta"), phi, track.eta());
registry.fill(HIST("TracksPtEta"), track.pt(), track.eta());
if ((track.eta() < -2.0f) && (track.eta() > -3.9f)) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
registry.fill(HIST("TracksPhiZvtx"), phi, z);
}
if (track.collisionId() > -1 && retrack.ambDegree() == 1) {
Expand Down Expand Up @@ -826,7 +844,7 @@
(aod::mcparticle::flags &
(uint8_t)o2::aod::mcparticle::enums::PhysicalPrimary) ==
(uint8_t)o2::aod::mcparticle::enums::PhysicalPrimary;
Partition<Particles> mcSample = nabs(aod::mcparticle::eta) < 1.1f;

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
Partition<Particles> mcSampleCentral =
nabs(aod::mcparticle::eta) < estimatorEta;

Expand All @@ -848,7 +866,7 @@
if (p != nullptr) {
charge = p->Charge();
}
if (std::abs(charge) < 3.) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
continue;
}
nCharged++;
Expand Down
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