== Weekly PEM meeting ==
 * 2025/11/14(Fri) 17:00-
 * Regular meeting
 * Zoom2 : https://zoom.us/j/6676627462

==== General announcement ====

 * O4c [[https://observing.docs.ligo.org/plan/|url]]
  * Now commissioning break, Re-start --(4th June)-- 11th June end --(7th Oct.)-- 18th Nov.

==== Meeting and Conference issue ====

  * 2025 ENIGMA Collaboration Workshop on Astrophysics and Geophysics
   * [[https://indico.kgwg.org/event/147/|url]]
   * 9th Nov. - 13th Nov.
   * Yokozawa and Washimi-san will join

  * KAGRA F2F meeting
   * 12/15-17 @ South Korea
   * [[https://dac.icrr.u-tokyo.ac.jp/KAGRA/KSC/f2f/2025%20December|url]]

  * KIW13  
   * 12/18,19(+20)
   * [[https://indico.kgwg.org/event/173/|url]]

  * Other meetings [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/DAWG/conferences|url]]

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

==== Business travel ====

 * To Kamioka
  * Kaku and Abe (11/16-21)

 * From Kamioka
  * Yokozawa, Washimi (South Korea, 11/8-11/14)

==== Jurnal paper issue ====
[[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/PEM/Reports/JurnalPaperIssue|Details are here!]]

 * Non-linear ICA paper
  * SEO agreed
  * arXiv submission 
  * Submission to PTEP

 * Schumann Resonance paper
  * Long term observation, seasonal variance
  * Amplified inside the mine
  * Others

 * O4(a+c) PEM paper
  * Start to investigate the topics

 * Microseism with machine learning

 * 1 Hz seismic motion paper
  * Sunil-san's result?

==== General issue ====

 * Commissioning
  * IFO
   * Suspension tuning 
    * Some GAS filter control oscillating, fixed it
   * Calibration work ongoing
    * After finishing them, we will start observation run again
  * Post commissioning O4c
   * Calibration
   * Noise budget 
    * TF measurements for each control
    * PEM injection
     * At least for the TMSX, TMSY for the in-vac PD schedule
  * Schedule
   * December : warming up, Finesse, laser characterization
   * January : commissioning with high power
   * 4th March Scheduled black put
    * Prepare for the several PEM measurements
   * March : SRM replacements
   * April - : RSE commissioning

==== Progress report ====
 
 * Nishizawa, Taruya, Himemoto
  * Water Newtonian noise
  * Schumann Resonance
 
 * Kaku
  * Magnetic field analysis

 * Abe
  * Parameter estimation of the schumann resonance

 * Murofushi
  * Earthquake and GIF analysis

 * Obara
  * Earthquake and suspension

 * Ohashi
  * Microseismic noise with machine learning

 * Kume, Ueno
  * Noise subtraction

 * Yokozawa 
  * Lightening and blasting list up 
  * Ground motion

 * Washimi 
  * Newtonian noise

==== Place for memo ====
 * [[https://www.gw-openscience.org/O3/o3aspeclines/|Line noise list in O3a public data]]
 * [[https://pubplan.ligo.org/CW/KAGRA_VectorDM.html|Summary page for KAGRA O3 vector dark matter]]