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    Coffea Users Meeting

    → America/Chicago
    Andrzej Novak (RWTH Aachen (DE)), Nick Smith (Fermi National Accelerator Lab. (US))
    Coffea Users Meeting
    Zoom Meeting ID
    67024333015
    Host
    Nick Smith
    Alternative hosts
    Iason Krommydas, Andrzej Novak
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      • 11:00 → 11:05
        News 5m
        Speakers: Andrzej Novak (RWTH Aachen (DE)), Nick Smith (Fermi National Accelerator Lab. (US))

        Notable bug reports:

        • Wrong sign in ThreeVector/LorentzVector subtraction https://github.com/CoffeaTeam/coffea/issues/674
        • Missing $HOME raises exception https://github.com/CoffeaTeam/coffea/issues/690
        • Temporary issue with bad uproot releases (4.2.4, 4.3.0, 4.3.1)
          • Fixed in uproot 4.3.2

        Proposed breaking change:

        • NanoAOD Vertex class: separate .p4 and .pos and no intrinsic vector behavior (currently position behavior) https://github.com/CoffeaTeam/coffea/pull/691

        New features:

        • E alias for 4-vectors
        • Few fixes to lookup tools
      • 11:05 → 11:20
        Roundtable 15m

        Discussion on JEC propagation to MET not closing with nominal MET in NanoAOD. Suspect missing low-pT jet collection "CorrT1METJet" from CorrectedMETFactory

        Discussion on next coffea release (late for June), will work to include PR 685