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    Key4hep Discussion

    → Europe/Zurich
    32/S-C22 (CERN)

    32/S-C22

    CERN

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    CERN Key4hep Discussion
    ===


    Attendees: Mateusz, Andre, Katerina, Giulia, Leonhard, 

    Apologies: Juan, Swathi,

    Date: August 20, 2024

    ## News

    ## Round The Table

    ### Giulia

    * Electron Reconstruction, hits are not found, or rejected by the reconstruction.
        * Need to investigate where hits get lost, in particular in barrel / endcap overlap region.
        * ConformalTracking? TrackFit

    ### Katerina

    * Ported DDCaloDigi is running
        * Steeringfile update with all the properties 
        * Comparing now with K4MarlinWrapped implementation

    ### Mateusz

    * k4FWCore PRs with the metadatasvc
        * Could not access Metadata from the input file
        * Reads only one of the trees, and not all of the metadata trees
        * Does it need to read all of them?
    * EventHeaderCreator
        * Not multi-threading safe
        * Could give same event number to different events
    * `EventContext` contains information about events seen by scheduler
        * Complicated to make this available to the functional algorithm operator()
        * Should be used, but cannot fill this information from algorithm, need to implement our own `EventLoop`
        * `EventContext` Used in logging information
        * Issue opened in key4hep
    * Julia:
        * Opened issue in Dagger to save execution graph as dot.file instead of picture

    ### Andre

    * Looked at CLD Tracking Efficiency reported in [FCC Full Sim Meeting](https://indico.cern.ch/event/1441999/#53-ml-based-tracking-for-idea)
        * Doubling slopeZRange did not have any effect

    ### Leonhard

    * TrackerBarrelDriver_o1_v06: all surfaces are at the same positions as before, pointing in the right directions
        * Reconstruction works now, exactly same results as before
        * --> Make v07 detector model
        * TrackerRegion: Change definition to include beampipe area
        * Ran into Root URI issue
    * Passive Surfaces have all ID 0
        * Names?
        * Add layerID for passing them to ACTS geometry
    *  Literature review for the fit of the triple-gauge couplings
        *  Template fit with parameterised cross-section / couplings

    ## AOB

    ### ECFA H/E/T

    ## Summerstudents

    * Dates:
        * Katerina Kostova: 01/07 to 27/09
        * Giulia Gianoli: 01/07 to 27/09

    ## Next Meeting

    August 27, 2024

    ## TODO

    There are minutes attached to this event. Show them.
      • 13:00 → 13:55
        Round The Table 55m
        Speakers: Andre Sailer (CERN), Benedikt Hegner (CERN), Carsten Hensel (CBPF - Brazilian Center for Physics Research (BR)), Juan Miguel Carceller (CERN), Leonhard Reichenbach (University of Bonn (DE)), Mateusz Jakub Fila (CERN), Swathi Sasikumar (CERN)
        Key4hep_2008-1.pdf