Weekly PEM meeting

• 2022/03/18(Fri) 17:00-
• JPS practice focusing meeting

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

Report

• C2C program request
  • 1) participate in the international conferences related GW researches (in Japan and abroad),
  • 2) stay for the collaboration work in the counter part countries (UK, USA, Australia, Italy, Gernamy, France, China, Korea, Taiwan, India, VIetnam) .
  • 3) participate KAGRA F2F if it will be held onsite.

Meeting and Conference issue

• JPS meeting URL

  • 2022年3月15日（火）～3月19日（土） program

    • オンライン開催(2/19情報url)

    • 横澤(Overview)、鈴木(NN)、粂(non-linear ICA)、小林(O3GK ICA)

    • 鷲見(Noise budget, JGW-G2213473)

• LVK meeting URL

  • Online
  • Mar 14-17
• 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

    • 緊急セッションの投稿開始は3月を予定しております．

• 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
    • Aoyama gakuin member
  • From Kamioka
    • No

General issue

• Procedure toward X arm commissioning
  • IR cavity lock succeeded
    • Recovery of alignment after Fukushima earthquake
  • TMSX commissioning
    • Trial of the pumping down
  • Lock loss study
    • PLL, signal mis-connection, control linear range
  • Time series check
  • TCam check
    • Script to find the edge of the sapphire mirror
• IO commissioning
  • IMC ASC
• Y arm commissioning
  • ITMY alignment : Done
  • Yarm commissioning
    • Green lock succeeded(~1s), need the suspension commissioning
  • ITMY suspension : ongoing
  • PCal finalize : ongoing
  • Oplev preparation : EY done, IY will start
  • BS alignment
  • Green laser performance
• Schedule

  • figure

• PEM schedule
  • Re-installation of PEMs toward O4

Jurnal paper issue

Details are here!

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

  • Collaborator circulation (~1/7)

• Invited review paper (Washimi+) JGW-P2113549

• Tonga signal paper (Washimi+)
  • Writing
• Acoustic reverberation time paper (Washimi+)
  • Suspend
• ICA for E-run/O3GK (Kume, Kobayashi)
  • Start writing

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

Preparation for O4

• New seismometer arrived
• PEM installation check
  • Electrical box
    • Installed to XY end
    • Cabling
    • ACO power supply
• MN oplev noise investigation
  • Light source
• 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
• New PEM
  • PSL room with Cryocon
  • TEAC710
  • 電界計 (EFM; electric field mill)
  • ACO power supply with low frequency
• Magnetmeters for the Schumann resonance
  • Discussing with technicians (AEL, FCL)
• PEM injection

  • 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

Practice for JPS meeting

• Yokozawa (Just showed the slide)
• Suzuki
• Kobayashi
• Kume (Just showed the slide)

Progress report

• Yuzurihara
  • Pastavi
  • Data Quality Report
  • Data quality evaluation
• Suzuki
  • Water simulation
• Hoshino
  • Seismic motion analysis
• Investigation of ICA analysis
  • Progress
• Nishizawa
  • Magnetic field analysis
• Washimi
  • Tonga analysis
• Yokozawa
  • Report of Aoyama gakuin group
• Seismic motion analysis
  • O3GK
  • Microseismic
  • Long term

Place for memo

• Line noise list in O3a public data

• Summary page for KAGRA O3 vector dark matter