Weekly PEM meeting

• 2020/02/18(Tue) 16:00-(JST)
• Regular meeting meeting (Japanese)

• Web meeting with Zoom2 (Zoom2)

Agenda

General issue

• Interferometer status
  • The noise improvement for the 1Mpc sensitivity is ongoing
    • CARM noise improved
    • MICH and PRCL feedforward
    • Suspension control
    • Higher power laser
    • etc
  • Engineering run from evening of the 20th(Thu.)
• PEM plan remaining two weeks
  • PEM injection
    • Shaker and Acoustic injection
      • PSL, REFL and AS table injection again
  • Hammering test

    • 20/01/21 Minute

    • Hammering test @ Y-end : around 2/15 (JGW-G2011419)

  • Discussion about the PEM flags
  • Turning off the instruments was completed
    • Check the sensitivity when we turned on the FFU
    • Microphone spectrum comparison
  • Set portable PEMs to the some point for the O3 run
    • Yend chamber?
    • Around OMC, AS table?
• Conference

  • 地下宇宙若手研究会@茂住 (2020/2/22-24)

  • JPS (2020/3/16-19 @ Nagoya)
    • Yokozawa, TTanaka

  • F2F (2020/4/17-20 @ Kashiwa) wiki

  • Core to core application
• Application of the author list
  • [kagra 03345] from Somiya-san e-mail
  • Deadline : 29th Feb.
  • エフォート率など相談がありましたら横澤までご連絡ください。
• PEM meeting
  • Tuesday may be a maintenance day
  • I want to move PEM meeting to Friday and discuss what should we do during maintenance day.

Each progress

• Yokozawa
  • What should we do this week
  • Tuned off the FFUs and vacuum pumps
    • Temperature and GAS drift
• Washimi

  • Infrasound measurements klog13004, klog12859

  • SEM updateshttps://www.icrr.u-tokyo.ac.jp/~washimi/KAGRA/SEM/

  • PEM MAP update https://www.icrr.u-tokyo.ac.jp/~washimi/KAGRA/PEM/PEMmap/

• etc