• KAGRA
• Subgroups
• PEM
• Meeting
• 201009
• Agenda

Weekly PEM meeting

• 2020/10/09(Fri) 17:30-
• Regular meeting

• Zoom2 : https://zoom.us/j/6676627462

Agenda

Conference issue

• KIW7
  • The 7th KAGRA International Workshop (National Central U., Taiwan), Dec. 18-20, 2020 (F2F meeting on Dec. 17-18)
• (Next JPS meeting is also online-meeting)　

General issue

• Interferometer status
  • RSE lock trial
    • Continued to 12th Oct. at maximum
    • New suspension damping (modal damping)
    • DRMI lock
    • More stable DRMI operation than before.

• Interferometer schedule JGW12041

  • - 12th Oct. RSE lock trial
  • 5th Oct. - 19th Oct. Start the cleaning
  • 15th Oct. - 21st Oct. Warming up cryogenic ducts(IX, IY, EY)
  • 14th Oct. blackout (13th, 15th working date for blackout)
  • 19th Oct. - 23rd Oct. Clean work by company
  • 22nd Oct. - 25th Oct. break vacuum
  • 26th Oct. - Open chambers

Discussion item

• PEM measurement during blackout

  • Discussion in the report by Washimi JGW-G2012095

  • Prepare the DAQ during blackout
  • Seismometer + magnetometer + Infrasound microphone + GND

  • Preparation : GitHub213

• If you have new idea or discussion item, please write here

Jurnal paper issue

Details are here!

• PTEP (2) : noise budget(K.Yamamoto) Check list, slack <<Analysis is ongoing>>

  • Next week, Washimi-san and Yokozawa will discuss with writing team. After that I will summarize again

• PTEP (3) : CAL, DET, PEM, GIF (Yokozawa) <<Submitted>>

• Acoustic injection paper (Washimi) <<1st DRAFT CIRCULATION>>

• ICA for E-run/O3GK (Kume, Yokoyama) <<Analysis ON GOING>>

• Portable PEMs (Yokozawa+) <<Start writing>>

Preparation for O4

• PEM tasks for O4 will be discussed after this meeting with SEO
  • GND issue
  • Cabling issue
  • Cleaning the center area

• water fluid (github207)

  • Discussion with Furuta-san & a company is started

    • meeting with company persons : 10/7 13:00~ (DONE)

  • read out of the lightning sensor (github182)

• Infrasound monitor @ Atotsu, Mozumi, tunnel (+ Toyama?)
  • if accepted

• After O4
  • RF monitor
  • Tiltmeter
  • RI detector

    • Rn : contact person -> Guillaume Pronostさん (ICRR, SK)

    • cosmic-ray : plastic scintillator?
    • gamma/neutron : 新学術地下宇宙
    • start from a geiger counter?
  • Newtonian noise
    • Accelerometer for wall
    • Relative temperature monitor
    • Many seismometers
    • Superconducting Gravimeter
    • TOBA

Progress report

• Yokozawa

  • Preparation for blackout GitHub214

  • Blasting at the atotsu area.
  • Suspension health check during drill work(Next week)
• Washimi

  • Aacoustic injection paper overleaf

    • 1st draft circulation : JGW-P2012122

    • paper meeting : in the 4th week of October?
• Kume
  • ICA analysis related with PEM

Place for memo