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[PWGEM] Add the possibility to select electrons with a given PID hypothesis in tracking #15193

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Merged
dsekihat merged 1 commit into from
Feb 27, 2026
+8 −2
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[PWGEM] Add the possibility to select electrons with a given PID hypothesis in tracking #15193

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10 changes: 8 additions & 2 deletions PWGEM/Dilepton/Tasks/createResolutionMap.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -146,6 +146,8 @@ struct CreateResolutionMap {
Configurable<bool> includeITSsa{"includeITSsa", false, "Flag to include ITSsa tracks"};
Configurable<float> maxpt_itssa{"maxpt_itssa", 0.15, "max pt for ITSsa track"};
Configurable<float> maxMeanITSClusterSize{"maxMeanITSClusterSize", 16, "max <ITS cluster size> x cos(lambda)"};
Configurable<bool> checkPIDforTracking{"checkPIDforTracking", false, "check for PID in tracking"};
Configurable<int> PartIdentifier{"PartIdentifier", 2, "Particle identifier for selected particle; 0: electron, 1: muon, 2: pion, 3: kaon, 4: proton, 5: deuteron, 6: triton, 7: helium3, 8: alpha"};
} electroncuts;

struct : ConfigurableGroup {
Expand Down Expand Up @@ -498,6 +500,10 @@ struct CreateResolutionMap {
}
}

if (electroncuts.checkPIDforTracking && track.pidForTracking() != static_cast<unsigned int>(std::abs(electroncuts.PartIdentifier))) {
return false;
}

return true;
}

Expand Down Expand Up @@ -628,8 +634,8 @@ struct CreateResolutionMap {
if constexpr (withMFTCov) {
auto mfttrackcov = mftCovs.rawIteratorAt(map_mfttrackcovs[mfttrack.globalIndex()]);
auto muonAtMP = propagateMuon(mchtrack, mchtrack, collision, propagationPoint::kToMatchingPlane, muoncuts.matchingZ, mBzMFT, 0.0); // propagated to matching plane
o2::track::TrackParCovFwd mftsaAtMP = getTrackParCovFwd(mfttrack, mfttrackcov); // values at innermost update
mftsaAtMP.propagateToZhelix(muoncuts.matchingZ, mBzMFT); // propagated to matching plane
o2::track::TrackParCovFwd mftsaAtMP = getTrackParCovFwd(mfttrack, mfttrackcov); // values at innermost update
mftsaAtMP.propagateToZhelix(muoncuts.matchingZ, mBzMFT); // propagated to matching plane
etaMatchedMFTatMP = mftsaAtMP.getEta();
phiMatchedMFTatMP = mftsaAtMP.getPhi();
etaMatchedMCHMIDatMP = muonAtMP.getEta();
Expand Down
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