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    Key4hep Discussion

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

    32/S-C22

    CERN

    17
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    SFT/Key4hep Meeting
    ===

    Attendees:  Carsten, Annika, Juan, Mateusz, Swathi, Andre, Leonhard,

    Apologies:

    Date: October 24, 2023

    ## News

    * Call to sign up as a Science Gateway guide, apparently only 20% of shifts filled

    * EP RnD Annual and Close out Report: contributions for 2023 see email for overleaf link

    ## Round The Table

    #### Carsten

    * New project student from Netzwerk Teilchenwelt: Annika
       * Cut based analysis for higgs to invisible with HZ->Z->MuMu
       * Have to add FastJet configuration, to be provided by Leonhard
    * k4ProjectTemplate mentions the release, which is currently not working with


    #### Juan

    * Spack bump, solved somes with Geant4 and glib, 
       * some tests are failing now because environment variables are not "forward" populated
    * On ubuntu the concretizer fails to concretize impossible requirements
    * Start investigating builds with c++20, allowing some packages to be build with this standard
    * Preparing new release of Key4hep stack, many open PRs in HEP-FCC, timeline for them to be understood 
    * Digitisation algorithm DDPlanarDigi converted to Gaudi, using GaudiHistogram Service

    * Next step: Overlay

    * genGonf needed to be done at all?
       * What is genConf used for?

    * multithreading in Gaudi: To be discussed with Marco

    #### Mateusz

    * Reading Gaudi source code

    #### Swathi

    * Trying to use the LAr digitiser with help from Juraj
    * Started k4GaudiPandora, merged DDMarlinPandora to k4ProjectTemplate based repo
    * Writing paper on lowPT gg to hadron generator with Mikael, Jenny (and Tim Barklow)

    #### Andre

    * NTR

    #### Leonhard

    * Fix for surfaces in OpenDataDetector
    * CLDConfig: test with EDM4hep added, simulation test added
    * CLDConfig: adding tracking only flag, disable clustering

    * CLDConfig: using EDM4hep input, are relations between PFOs and clusters/tracks working ?
       * Good to know before we make the release

    ## AOB


    ### Key4hep Documentation

    - [ ] Should remove references to starterkit


    ## Next Meeting
    October 31, 2023

    ## TODO

    * CLD Reco
       * [x] CLDConfig Repository
       * [x] Save history from ClicPerformance of FCCConfig
       * [x] Add test with EDM4hep input
     

    There are minutes attached to this event. Show them.
      • 13:00 → 13:55
        Round The Table 55m
        Speakers: Andre Sailer (CERN), Benedikt Hegner (CERN), Juan Miguel Carceller (CERN), Leonhard Reichenbach (University of Bonn (DE)), Swathi Sasikumar (CERN)