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[PWGEM/Dilepton] fix isBestMatch for global muons #14527

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Merged
dsekihat merged 2 commits into from
Jan 16, 2026
Merged

[PWGEM/Dilepton] fix isBestMatch for global muons #14527

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881c5a4
PWGEM/Dilepton: fix isBestMatch for global muons
dsekihat Jan 16, 2026
79a349c
Refactor global muon index storage logic
dsekihat Jan 16, 2026
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5 changes: 4 additions & 1 deletion PWGEM/Dilepton/Utils/EMTrackUtilities.h
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Original file line number Diff line number Diff line change
Expand Up @@ -138,7 +138,10 @@ bool isBestMatch(TTrack const& track, TCut const& cut, TTracks const& tracks)
}
}
}
if (map_chi2MCHMFT.begin()->first == track.globalIndex()) { // search for minimum matching-chi2

auto it = std::min_element(map_chi2MCHMFT.begin(), map_chi2MCHMFT.end(), [](decltype(map_chi2MCHMFT)::value_type& l, decltype(map_chi2MCHMFT)::value_type& r) -> bool { return l.second < r.second; }); // search for minimum matching-chi2

if (it->first == track.globalIndex()) {
map_chi2MCHMFT.clear();
return true;
} else {
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