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 * Re-organize the section (SH) => Done  * Re-organize the white paper sections(SH) => Done

FPC Meeting on 2019/02/05 15:00 - 16:10 (JST)

Participants: Eleonora Capocasa, Kentaro Komori, Matteo Leonardi, Yuta Michimura, Atsushi Nishizawa, Kentaro Somiya, SH

Zoom meeting(2): https://zoom.us/j/6676627462

  • Next meeting will be around end/Feb (doodle poll will be circulated).

  • Back to FPC page

Action Items

  • Re-organize the white paper sections(SH) => Done

  • Collecting the science part (Coordinated by Nishizawa, ... )
  • Fill-up the remaining part in Technology Survey coordinated by
    • Matteo : squeezing and filter cavity
    • Michimura : Low frequency related
    • Haino : Cryogenic and mirrors based on inputs
  • KAGRA sensitivity code update and merging with GWINC and other codes
    • Review of KAGRA code with GWINC (SH - with some help by others - also for the OSP issues)
    • Review and check the squeezing parts (Matteo, Eleonora, ...)
  • Talks
    • KIW5 slides to be circulated in FPC (SH), talk request already submitted to CPC
    • LVC meeting, talk request already submitted to CPC

Minutes

  • Frequency dependent squeezing in KAGRA by Eleonora and Matteo

    • ~100m scale filter cavity seems necessary but not much improvement above ~300m
    • Code unification (NAOJ-Matlab(Kwee paper), GWINC, KAGRA-Matlab) will be necessary to produce the "official" plots and discussions
    • The first step of the white paper is to make some suggestions on the filter cavity (VS physics merits) and input to SEO for more practical consideration

  • KIW5 at Perugia

    • Michimura, Eleonora, SH will join from FPC
    • SH will give FPC overview talk (slides to be circulated to FPC and CPC), Eleonora will give the FD-squeezing talk (chaired by Michimura)
    • Listing-up possible collaboration works between KAGRA and ET and asking for their response (e.g. detailed PI calculation)

  • LVC meeting

    • Matteo commented that it is very good to get comments from LV
    • SH contacted Brian Lantz and Stefan Hild and got encouragement. SH will submit a request to CPC
  • White paper
    • A bit of re-organization of sections
    • Sections for (Current and new) noise sources and technology survey
    • We should have up-to-date KAGRA Technical Design Report, TDR (either in white paper or in a separate document)
    • The facility limitation should be discussed anyway in addition to KAGRA TDR
    • Interface control documents exist but seem to be too old (2013

Agenda

  • Slides

  • Current progress of the white paper

    • Current version

    • Science still waiting; at least highlights can be shared/reminded inside FPC
    • Survey of technologies in progress
    • Squeezing and filter cavity (E. Capocasa)
    • Facility limitations/subsystem summary (good contribution from Akutsu-san)

  • Talk from FPC (by Michimura-san or SH) at KIW5

  • Talk from FPC at LVC meeting

    • Positive response from the organizer; possible talk either at Joint Instrument Science session on Tuesday afternoon or the Plenary session on Thursday)

KAGRA/KSC/FPC/Meetings/190205 (last edited 2019-02-06 04:16:23 by SadakazuHaino)