Weekly PEM meeting

• 2022/04/08(Fri) 17:00-
• Regular meeting

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

Meeting and Conference issue

• ILANCE url

  • Workshop with CNRS, France and UTokyo program

  • 4/15(Fri) 15:30-21:00(JST) (Skip PEM meeting)
  • Yokozawa : Detector Characterization KAGRA
  • Washimi : Underground Environment KAGRA

• GWADW 2022 url

  • 5/23 ~ 5/27, online
    • Registration Deadline : 15 May 2022
  • Suzuki? (Water NN)
  • Washimi? (Tonga)
• JpGU 2022 (日本地球惑星科学連合2022年大会)
  • 2022年5月22日(日)～6月3日(金) @ 幕張メッセ

  • 緊急セッション「気象津波の発生を伴ったトンガ海底火山噴火」https://www.jpgu.org/meeting_j2022/program.php#late-breaking_session

    • Washimi JGWDoc14006 (Submitted)

• Other meetings url

If you have some presentation about PEM related, please contact to me.

Business travel

• Depending on the situation of COVID-19
• To Kamioka
  • Hoshino, Ishii (Niigata) (???)
• From Kamioka
  • Washimi (JpGU, Makuhari)

General issue

• Procedure toward X arm commissioning
  • IR recovery
    • Open the IMC and set the mirror
    • Fixed the vacuum leak
• Mid-size baffle
  • SR2 completed
• Y arm commissioning
  • ETMY health check
    • Hardware done, software ongoing
  • Yarm commissioning
    • Green lock succeeded(~1s), need the suspension commissioning
  • ITMY suspension health check : ongoing
  • Oplev preparation : IY, EY done
  • Green laser performance
• Schedule

  • attachment

• PEM schedule
  • Re-installation of PEMs toward O4

• 出張PEM injection (planning form)

  • TAMA300 (May?)
  • TOBA (FY2022?)

Jurnal paper issue

Details are here!

• PTEP (2) : noise budget(K.Yamamoto, Kokeyama, Washimi) JGW-P2113405

  • https://arxiv.org/abs/2203.07011

• Invited review paper (Washimi+) JGW-P2113549

  • Under reviewing
• Tonga signal paper (Washimi+)
  • Writing
  • I would like to open it untill JpGU
• Acoustic reverberation time paper (Washimi+)
  • Suspend
• ICA for E-run/O3GK (Kume, Kobayashi)
  • Writing

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

Preparation for O4

• PEM installation check
  • Electrical box
    • Installed to XY end : Done!
    • Cabling : Mostly done

    • ACO power supply : Thanks to technician, Done! pic

• MN oplev noise investigation
  • Light source
  • Sent to Toyama university and start investigation
    • Temperature dependence
    • Environment?
• New oplev noise budget
  • EX
  • Main work : Wind, vibration and sound injection FFU on/off
  • Prepare to set the PEMs
    • Accelerometers
    • Seismometer (Move from BS)
    • Magnetometer
    • Microphone
    • PEM injection
• Magnetmeters for the Schumann resonance
  • Discussing with technicians (AEL, FCL)

• PEM injection (planning form)

  • Low-frequency sound injectorklog16829

  • Acoustic injection at X/Y-end
  • Magnetic injection

• After O4
  • RF monitor with mokugo
  • Tiltmeter
  • RI detector
  • Newtonian noise
• Discussion with DET members
  • Daily summary page PEM

Progress report

• Yuzurihara
  • Pastavi
  • Data Quality Report
  • Data quality evaluation
• Suzuki
  • Water simulation
• Hoshino
  • Seismic motion analysis
• Kume
  • Report of paper progress
• Fukunaga
  • Schumann resonance
• Kiyota
  • Take over Kobayashi-san's work
• Nishizawa
  • Magnetic field analysis
• Washimi
  • Tonga analysis
    • Infrasound meeting : 4/20 (水) 10:00~11:00

  • Shaker injection @ X PCal https://klog.icrr.u-tokyo.ac.jp/osl/?r=20399

• Yokozawa
  • Report of Aoyama gakuin group

Place for memo

• Line noise list in O3a public data

• Summary page for KAGRA O3 vector dark matter