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⇤ ← Revision 2 as of 2023-06-23 07:08:47 →
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Editor: TakaakiYokozawa
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← Revision 3 as of 2023-06-23 16:52:55 → ⇥
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Editor: tatsuki.washimi
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  * 4 weeks run it will finish 21st June 8:00(JST)   * 4 weeks run has been finished on 21st June 8:00(JST)
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 * Kiban S application
  * 高精度レーザーひずみ計観測網の広域展開による地殻活動の時空間マルチスケール観測
  * Yokozawa and Washimi would be co-investigator, about KAGRA environment and strain-mater
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  * ICRC 2023 [[https://amarys-jtb.jp/2023icrc/|url ]]   * ICRC 2023 [[https://amarys-jtb.jp/2023icrc/|url ]] 7/26 - 8/3
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   * Washimi will present about Schumann resonance and SGWB    * Washimi will present about Schumann resonance and SGWB (oral)
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   * Submit to CQG soon    * Submited to CQG
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   * [[http://arxiv.org/abs/2306.12437]]
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  * Acoustic reverberation time paper (Washimi+)   * Acoustic reverberation time paper (Washimi+, Sato?)
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  * Overlap reduction function for Schumann resonance   * Schumann resonance study [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=15046|JGW-G2315046]]

Weekly PEM meeting

General announcement

  • O4a run finished successfully
    • 4 weeks run has been finished on 21st June 8:00(JST)
    • CAL/DET week now
  • KAGRA visiting plan
    • If you want to visit Kamioka, please contact to Yokozawa

Meeting and Conference issue

  • ICRC 2023 url 7/26 - 8/3

    • Nagoya
    • Yokozawa will present about KAGRA PEM (oral)
    • Washimi will present about Schumann resonance and SGWB (oral)
  • LVK meeting at Toyama
    • 11-14 September 2023
    • F2F meeting during this meeting(?)
  • JPS meeting (Tohoku U)
    • 16-19 September 2023
    • Presentation about PEM
      • Yokozawa (Status)
      • Washimi (Noise hunting)
      • Hoshino (Seismic forecast)

  • 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(planned)
  • From Kamioka
    • No

General issue

  • Status

    • Sensitivity 1.1~1.4 Mpc latest

    • Summary url

    • CAL/DET week
      • Calibration measurement done : No significant change from previous measurement
      • Some additional measurement toward O4b Saturday
    • Noise budget measurement
      • Interferometer (MICH, PRCL, ISS, CARM, ...)
      • Suspensions
      • PEMs
      • etc.
    • IPC glitch
      • The rate didn't change
      • Need to investigate the reason
    • Lock loss investigation
      • Ongoing
  • Schedule after O4a
    • CAL/DET week (1 week)
      • Calibration measurement
      • Remaining measurement for O4a
    • Switch to high power laser (1-2 week)
      • Check the sensitivity
    • Turned off and on the cryocooler (1 week)
      • Same timing with switch high power laser
      • IX, IY, EY. Not perform EX
    • Open the OMC chamber (1 week)
      • Set the geophone inside the chamber and evaluate the vibration
      • Treatment the ghost beam
    • Commissioning toward 10 Mpc

  • 出張PEM injection (planning form)

Jurnal paper issue

Details are here!

  • Micro seismic analysis (Hoshino)
  • Acoustic reverberation time paper (Washimi+, Sato?)
    • Suspend
    • Re-measurement before O4?
  • Tonga GIF paper
    • Published
  • TCam paper
    • Writing ongoing

Preparation for O4

  • Check the seismic motion around mozumi area
    • Daytime ground motion
    • It may appeared in DARM sensitivity (SR3?)
  • Schumann resonance measurement
    • Ongoing
  • Acoustic injection post O4a
    • OMC
    • PSL room
      • Next week?
    • TMSX/TMSY
      • Prepared today
    • SR3
      • If we have a time
    • other area?
      • Any idea?
  • Investigation of the PEM injection
    • Magnetic injection
      • After O4a?
  • Voltmeter preparation
    • AC power monitor installation
    • DC power monitor installation
  • 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 slide

    • Data quality evaluation
  • Hoshino
    • Seismic motion analysis
  • Sato
    • Sound source analysid
  • Miyamoto
    • Weather analysis
  • Takatani
    • Applying the deepclean
    • Calculation of Schumann resonance
  • Kume

    • PR3 line injection klog25670

    • Noise subtraction
  • Nishizawa
    • Water newtonian noise
    • Magnetic field analysis
  • Washimi
  • Yokozawa
    • Lock loss study O4a
    • Preparing for the acoustic injection in both end

Place for memo

KAGRA/Subgroups/PEM/Meeting/230623/Agenda (last edited 2023-06-23 17:08:21 by tatsuki.washimi)