• KAGRA
• Subgroups
• PEM
• Meeting
• 220114
• Agenda

Weekly PEM meeting

• 2022/01/14(Fri) 17:00-
• Regular meeting

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

Meeting and Conference issue

• 新学術領域「地下宇宙」第8回超新星ニュートリノ研究会 http://www.lowbg.org/ugap/ws/sn2022/index.html

  • 2022年1月6日(木)、7日(金) @ 早稲田+オンライン

    • 鷲見(Noise budget, JGW-G2213555)

• JPS meeting URL

  • 2022年3月15日（火）～3月19日（土）@ 岡山大学
    • 登壇登録 : 11月16日 ~ 12月2日
    • 横澤(Overview)、鈴木(NN)、粂(non-linear ICA)、小林(O3GK ICA)

    • 鷲見(Noise budget, JGW-G2213473)

• Other meetings url

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

Business travel

• KAGRA site is heavy snow now
• Depending on the situation of COVID-19
  • 共同利用の予算がまだありますのでご相談ください。
  • To Kamioka
    • No plan
  • From Kamioka
    • Washimi (Tokyo, New year)

General issue

• Procedure toward X arm commissioning
  • Both IX and EX started pumping down
    • Both ~10^-4 Pa
    • Leak test done
  • IR flash detected
  • IO commissioning
    • IMC ASC
  • Mid size baffle installation
    • After IR alignment
  • Y arm commissioning

    • Green Y alignment SR3->ETMY->POS table

    • ETMY alignment done

    • Oplev preparation->Next week

• 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

• Acoustic reverberation time paper (Washimi+)
  • Washimi will write in the New Year holidays
• ICA for E-run/O3GK (Kume, Yokoyama)

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

Preparation for O4

• New oplev noise budget
  • EX
  • Main work : Wind, vibration and sound injection FFU on/off
  • Prepare to set the PEMs
    • Electrical box
    • 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

Progress report

• Yuzurihara

  • Pastavi k-log 19418

  • Data Quality Report
• Suzuki
  • Water simulation
• Hoshino
  • Seismic motion analysis
• Investigation of ICA analysis
  • Progress
• Nishizawa
  • Magnetic field analysis
• Washimi
  • something
• Yokozawa
  • EX oplev noise budget
• 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