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Editor: TakaakiYokozawa
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 * 2023/07/07(Fri) 17:00-  * 2023/07/14(Fri) 17:00-
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 * [Important] Submission of the O4 pledge
  * Please read the e-mail and process
  * Deadline 21st Jul.
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 * O4a run finished successfully
  * 4 weeks run has been finished on 21st June 8:00(JST)
  * CAL/DET week finished
  * restarted the commissioning toward the O4b
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   * Yokozawa will present about KAGRA PEM (oral)    * Yokozawa will present about KAGRA PEM (oral) [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=14827|proceedings]]
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  * No   * Yokozawa (Nagoya, 7/25 - 8/4)
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 * Status
  * Sensitivity 1.1~1.4 Mpc [[https://dac.icrr.u-tokyo.ac.jp/KAGRA/DAWG/Detchar/klog/klog25188|latest]]
  * Summary [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/misc/html/|url]]

  * Noise budget measurement
  * Interferometer (MICH, PRCL, ISS, CARM, ...)
  * Suspensions
   * PEMs
  * Peak identification
   * etc.
  * Some measurement results		  * Noise budget measurement
  * Interferometer (MICH, PRCL, ISS, CARM, Frequency)
  * Suspensions
  * PEMs
  * Peak identification
  * etc.
  * Some measurement results

Weekly PEM meeting

General announcement

  • [Important] Submission of the O4 pledge
    • Please read the e-mail and process
    • Deadline 21st Jul.
  • Open the registration LVK meeting@Toyama
    • 2023/09/11-15
    • Including the F2F meeting

    • url

    • Welcome the visitor
  • 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) proceedings

    • Washimi will present about Schumann resonance and SGWB (oral)
  • LVK meeting at Toyama
    • 11-14 September 2023
    • KAGRA F2F meeting on Sep. 15
  • 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 (except for conferences)

  • To Kamioka
    • Hoshino(8/8 - 10)
  • From Kamioka
    • Yokozawa (Nagoya, 7/25 - 8/4)

General issue

  • Noise budget measurement
    • Interferometer (MICH, PRCL, ISS, CARM, Frequency)
    • Suspensions
    • PEMs
    • Peak identification
    • etc.
    • Some measurement results
    • Lock loss investigation
      • Ongoing
    • New high power laser replacement
      • Replacing itself was performed, but the laser power was instable
      • Gave up the replacement and backed to the original one
  • Schedule after O4a
    • Open the OMC chamber (1 week)
      • 7/10 - 16
      • Set the geophone inside the chamber and evaluate the vibration
      • Treatment the ghost beam
      • PD noise evaluation
    • Turned off and on the cryocooler (1 week)
      • Turned off (6/30)
        • Turned on the TMP and temperature adjustment
      • Turned on again
    • 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?
  • TCam paper
    • Writing ongoing

Preparation for O4b

  • 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
    • Reported later
  • 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

    • Summary of acoustic injection test post O4a JGWDoc15061

Place for memo

KAGRA/Subgroups/PEM/Meeting/230714/Agenda (last edited 2023-07-14 11:36:36 by TakaakiYokozawa)