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Suggestions for neutrino data on ObsCore note #1

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@YouSchnabel

After a first walk through the ObsCore standard and the HEIG extension we put together the following input to the note:

  • a table of the ObsCore fields and their interpretation for neutrino data here in the Wiki

  • An implementation of the first use case in a containerized version of our DACHS server, with container and implementation available here.

  • on the UCD discussion, the following open issues were added: #42, #41, #44, #45

From this, we will make suggestions on the update of the HEIG note before creating a pull request. This issue serves to collect notes on suggested changes.

UCDs

  • Particles: phys.particle.muon, phys.particle.tau, phys.particle.neutrino, phys.particle.pdgid

Activity

  1. shallmann commented on Apr 24, 2026

    @shallmann
    Collaborator

    As pointed out in the call, phys.particle.neutrino already exists in the standart UCDs. I put a link here for completeness:
    https://ivoa.net/documents/UCD1+/

    From the discussion:
    phys.particle.pdgid actually would make sense for us, at least for sims (IRFs)

  2. added a commit that references this issue on May 15, 2026
  3. loumir commented on May 20, 2026

    @loumir

    I have read the definition of PGDID from: https://github.com/scikit-hep/particle

    " PDG ID literals provide (PDGID class) aliases for all particles loaded, with easily recognisable names. "
    if you need to describe a variable ( or column) with a PDGID, the corresponding UCD will be "meta.id;phys.particle" . I suppose that your column name or variable name will already mention it is a pgdid .
    A naïve question from a non-expert :
    Is the "pgdid" used as a standard in the whole domain of particle physics ?

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