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 * 2023/12/01(Fri) 17:00-  * 2023/12/22(Fri) 17:00-
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 * 2023年も大変お世話になりました。
  * PEM subsystemは今年もたくさんの結果を残すことができました。ありがとうございます。
  * 2024年もよろしくお願いします。
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  * VK PEM meeting   * VK PEM meeting (Postponed)
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    * January next year.
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   * Washimi will attend in person
   * satellite meeting before/after the workshop?
      * discussing with poland group
   * https://indico.nikhef.nl/event/4820/
   * Washimi attended in person
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   * 一般講演申込(※早期参加登録/概要集申込、原稿送信含む) 11月21日(9時)〜12月6日(14時)    * 一般講演申込(※早期参加登録/概要集申込、原稿送信含む)
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    * Sato? (Sound)
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    * Takatani? (Noise subtraction)     * Sato (Sound)
* Takatani (Noise subtraction)
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  * Miyamoto(- 12/8)   * Hoshino (February?)
  * Sato (Febryary?)
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  * 12/2-10 Washimi (Nikhef@Amsteldam)
  * 12/13-15 YokozaWashimi (F2F@Hongo)
  * No plan
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  * Strategy ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=15522|JGWDoc15522]])
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   * EX : Radiation shield cooling down : 87 K    * IX,EX,EY : Radiation shield cooling down : 84-88 K
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    * 273 K     * 200 K
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   * IX, IY ongoing : about 85-87 K in IM
 
* Temperature change [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/trendMon/finesse.html|url]]
    * After starting the cooling down after measuring the Q-value of sapphire fiber
   * Temperature change [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/trendMon/finesse.html|url]]
   * After starting the cooling down after measuring the Q-value of sapphire fiber
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   * PRFPMI DC readout Succeeded :
   * Several Alignment sensing and control
   * Reducing the RMS of DARM (Deducing the fluctuation of suspension)
   * Treatment for large micro-seismic
   * PRFPMI DC readout Succeeded
    * Need to reuducing the DARM RMS to be stable operation
     * Resonant frequency measurement
     * Wideband ASC
     * Treatment for large micro-seismic

   * Initial alignment procedure
    * Touch the alignment of GRX and GRY
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   * Mirror Q value measurement at IX    * Mirror Q value measurement at IX, EX, EY
    * Current summary : [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=15445|JGWDoc15445]]
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 * Snow monitor
  * Ongoing
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 * PEM maintenance
  * Checked the response for CS PEMs
  * Status of IX and IY PEMs
  * Prepared the TMSX and TMSY ACC and MIC
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  * Start planning   * Waiting the timing of TMSX and TMSY
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  * Barometer   * Snow monitor
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  * About OMC area   * Noise budget in current IFO

Weekly PEM meeting

General announcement

  • 2023年も大変お世話になりました。
    • PEM subsystemは今年もたくさんの結果を残すことができました。ありがとうございます。
    • 2024年もよろしくお願いします。
  • Kamioka visiting plan
    • Yokozawa and Washimi-san have several budgets (共同利用)
    • So we want to call not only PEM members but also KAGRA members who are interested in onsite.
    • If you want to visit Kamioka, please contact Yokozawa
  • O4b
    • Break : mid-January - mid-March, 2024
    • Virgo : will join in March
    • KAGRA : Three-month observation around here
  • O4a noise budget paper
    • If you have a plan to write the paper using O4a data and PEM, please let me know.

Meeting and Conference issue

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

Business travel (except for conferences)

  • To Kamioka
    • Hoshino (February?)
    • Sato (Febryary?)
  • From Kamioka
    • No plan

General issue

  • Strategy (JGWDoc15522)

  • Cooling down
    • IX,EX,EY : Radiation shield cooling down : 84-88 K
    • EY : Started the cooling down duct shield
      • 200 K
    • Temperature change url

    • After starting the cooling down after measuring the Q-value of sapphire fiber
  • Interferometer operation
    • PRFPMI DC readout Succeeded
      • Need to reuducing the DARM RMS to be stable operation
        • Resonant frequency measurement
        • Wideband ASC
        • Treatment for large micro-seismic
    • Initial alignment procedure
      • Touch the alignment of GRX and GRY
  • Q value measurement
    • Mirror Q value measurement at IX, EX, EY
    • Suspension (violin) Q value measurement
  • New IP control
    • Ongoing
  • Strategy for noise hunting

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

  • Snow monitor
    • Ongoing
  • PEM installation
    • Waiting the timing of TMSX and TMSY
  • Evaluation of newtonian noise
    • Anoop and Washimi
  • Investigation of the PEM injection
    • Magnetic injection
  • Voltmeter preparation
    • AC power monitor installation
    • DC power monitor installation

Progress report

  • Yuzurihara
    • Pastavi
    • Data Quality Report slide

    • Data quality evaluation
  • Hoshino
    • Seismic motion analysis
  • Sato
    • Sound source analysis
  • Miyamoto
    • Weather analysis
  • Takatani
    • Noise subtraction with machine learning
  • Kume
    • PR3 line injection klog25670

    • Noise subtraction
  • Nishizawa
    • Water newtonian noise
    • Magnetic field analysis
  • Washimi
    • Magnetic field analysis
    • Snow monitor
  • Yokozawa
    • Noise budget in current IFO

Place for memo

KAGRA/Subgroups/PEM/Meeting/231222/Agenda (last edited 2023-12-22 17:07:42 by tatsuki.washimi)