== Weekly PEM meeting ==
 * 2025/05/23(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 end 7th Oct.
   * Discussion about the engineering run
  * KAGRA will join this with 10 Mpc sensitivity

 * Bi-weeklky VK PEM meeting 
  * To discuss the analysis during their measurements
  * Monday 17:00-(JST)
  * ET cryo meeting 24th June

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

  * 5/26~27 : KIW12 @ 上海    [[https://kiw12.casconf.cn/page/1878817789607809024|url]]
   * Registration 15th May.
   * Yokozawa will join the meeting

  * 5/26~30: ET symposium @ ボローニャ    [[https://indico.ego-gw.it/event/819/|url]]
   * 締切：3/31

  * 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
  * Aogaku Yamazaki+ (5/16-20)
  * OMU Kaku + 3 M1 (5/18-24)
  * Kyoto U. DPRI & Korea NIMS (5/23)

 * From Kamioka
  * Yokozawa (China 5/25-28)
  * Washimi (Itary, 6/7 - 7/13)
   * 6/9 - 6/11 : Virgo
   * 6/3 : Roma
   * 6/16 - 7/9 ET SPB work at Sardegna
   * 7/11 : Padova
  * Washimi (Yamaguchi -> Hiroshima -> Kohch -> Okayama, 9/8-9/30?)

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

 * Non-linear ICA paper 
  * The playground approved, preparation toward the submit

 * 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
  * Start the investigation

==== General issue ====

 * Commissioning

  * PRFPMI
   * Latest sensitivity 6.9 Mpc by adjusting the alignment offset
    * Reducing the RMS of the DARM error 
    * Several peaks investigation
    * Cooling down the suspension
    * Noise budget

  * Trouble of the ITMX
   * It was fixed by stopping the cryocooler at IX and heat up.
    * IX : 100 K
    * IY : 45 K
    * EX : 42 K
    * EY : 46 K
   * PRFPMI DC reaadout recovered

==== Progress report ====
 
 * Report from OMU member this week
  * Schumann resonance
  * Suspension glitch investigation

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

 * Murofushi
  * Earthquake and GIF analysis

 * Obara
  * Earthquake and suspension

 * Ohashi
  * Microseismic noise with machine learning

 * Kume, Ueno
  * Noise subtraction

 * Yokozawa 
  * Noise investigation

 * Washimi 
  * PEM injection

==== 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]]