Weekly PEM meeting

• 2022/02/04(Fri) 17:00-
• Regular meeting

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

Meeting and Conference issue

• 「素粒子と重力波」研究会 @ OCU

  • https://indico.nitep.osaka-cu.ac.jp/event/92/

  • 2022-02-22

  • Yokoyama & Washimi

• JPS meeting URL

  • 2022年3月15日（火）～3月19日（土）@ 岡山大学 program

    • 2月中旬に現地開催判断？
    • 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

• Depending on the situation of COVID-19
  • To Kamioka
    • No plan
  • From Kamioka
    • Washimi : to OCU (2/22)

General issue

• Tonga volcano

  • Uploading to KAGRA HP https://gwcenter.icrr.u-tokyo.ac.jp/tonga-20220115

• Procedure toward X arm commissioning
  • IR cavity lock succeeded
• IO commissioning
  • IMC ASC
• Mid size baffle installation
  • After IR alignment
• Y arm commissioning

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

  • ETMY alignment done
  • PCal finalize
  • Oplev preparation : ongoing
• 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

• PEM installation check
  • Electrical box
    • Cabling plan Xend
  • 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

Progress report

• Yuzurihara
  • Pastavi : No update
  • Data Quality Report

    • 1/25~27 DQR Hackathon

    • 1st day : basic lecture about DQR by Joe and Derek
    • 2nd day : started to develop concrete code for DQR tasks
    • 3rd day : (same as 2nd day) Yuzurihara contributed to develop the task for computing the inspiral range

    • dqr-tasks git repo

  • Data quality evaluation

    • slide for proposal

    • Added the band limited RMS for magnetmeter, microphone, and accelerometer on PEM models

• Suzuki
  • Water simulation
• Hoshino
  • Seismic motion analysis
• Investigation of ICA analysis
  • Progress
• Nishizawa
  • Magnetic field analysis
• Washimi
  • Tonga
• 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