Minute of PEM meeting

• Date: 2019/7/24 17:00-18:00(JST)
• Attend：Oshino, Yamat, TTanaka, Washimi, Kozakai, Fujikawa, Kaihotsu

Agenda

• General issue
  • KAGRA F2F meeting

    • wiki

    • Yokozawa(Status), Washimi(Reports)
    • Welcome to have many posters
  • Chrome Book project (Portable PEM researcher)

    • http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/PEM/Portable

    • We prepared two PEM Chromebook
  • Magnetometers
    • Two Bartington Mag-13MCL100 in the PEM rack
    • Three high sensitivity mini magnetometer (MI-CB-1DH-S-B, two for magnetic field gradient, one for Yikang study)
  • Task list toward the O3

    • task sheet

    • Please send e-mail to me if you have comments.
  • Kamioka visitors
    • Yikang-san (8/5 - 8/17)
    • Yokoyama-san (8/6)
    • Fujikawa-san and Tanaka-san (8/18 - 8/31)
    • Ueshimi-san (??)
  • PEM injection
    • Shaker injection1 (TTanaka, Yokozawa)
    • Shaker injection2 (Okutomi, Fabian)
    • acoustic injection (TTanaka, Yokozawa)
    • magnetic field injection (Yikang, Yokozawa)
    • RF injection (TTanaka, Washimi)
  • Weekly PEM measurement
    • Friday is weekly PEM measurement
    • Understanding the effect of the instruments, search the origin of noise, and so on
    • Power supply, duct vibration, instruments
      • Cable noise study, Yend Magnetometer install, Clean up the IXC rack(7/26)
      • Cable noise study, IXC vibration study, Xend PCAL RxPD noise budget (8/2)
  • Virgo visiting
    • We will start the discussion to visit Virgo at October
    • Washimi(noise huntung with portable PEM), Miyo(ground motion)

  • English meeting : The third Tuesday of every month 17:00-(JST) 10:00-(CEST)

    • 3rd meeting will be held at 20th Aug.(Tue) 17:00-18:00 URL
  • Weather alert
    • Alert to the IFO
    • Daily weather report
• Each progress
  • Yokozawa
    • Coherent analysis with PEMs
    • Vacuum pump vibration and sound environment and its effect
  • Washimi　
    • Cryochamber characterization
    • Sound reverberation analysis
    • Kaminari monitoring
    • Seismometer vs accelerometer analysis :
  • Kozakai
    • Trigger event identification
    • Yuzu summary page update (Figure image size)
    • PSL noise hunting
  • Miyo
    • Effect the protect shied to the seismometer
    • Ground motion at 7/19 (ダム?)
    • Feedforward progress (This task is not PEM task, but I want to ask you to present a short status if there is)
  • TTanaka
    • Preparing for the PEM injection
    • Analysi of the PEM injection during 2nd engineering run
    • BNC noise evaluation
  • Okutomi
    • Shaker injection
  • Kaihotsu, Mori
    • Reports of the weekly PEM measurements
  • Yuzurihara
    • Yuzu summary page comments
  • etc
• github progress