== Weekly PEM meeting ==
 * 2023/09/08(Fri) 17:00-
 * Regular meeting
 * Zoom2 : https://zoom.us/j/6676627462

==== General announcement ====

 * Open the registration LVK meeting@Toyama
  * 2023/09/11-15
  * Including the F2F meeting
  * [[https://www.resceu.s.u-tokyo.ac.jp/symposium/LVK2023toyama/index.php|url]]
  * Welcome the visitor 
   * Deep Clean member 
   * Kamiel and Anoop
  * Discussion with Deep Clean member
   * Afternoon 10th Sep.
   * Near the Toyama station (10th Sep. 13:00 - 16:00 [[https://www.wohlfahrt-toyama.co.jp/company#map|url]])

 * KAGRA visiting plan
  * If you want to visit Kamioka, please contact with Yokozawa

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

  * LVK meeting at Toyama
   * 11-14 September 2023
    * Yokozawa will prepare the poster about introduction of the KAGRA PEM
    * Yokozawa will have a parallel session in IS(12th morning)
   * 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 [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/DAWG/conferences|url]]

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

==== Business travel (except for conferences) ====

 * To Kamioka
  * Miyamoto (8/30 - 9/9)
  * Anoop (9/3-10 + LVK)
  * Chou & Yeh (9/10 + LVK + 9/16-23?)
  * Takatani (LVK + 9/10)
 * From Kamioka
  * Yokozawa (9/11-15 LVK, 9/16-20 JPS)
  * Washimi (9/11-15 LVK, 9/16-19 JPS)
  * Washimi (10/11-14? Amsteldam)
  * Washimi (10/28 Mitaka)
  * Washimi (10/30 Kanazawa)
  * Washimi (11/2-4 Kashiwa)
  * Washimi (11/6-9? OMU)
  
==== General issue ====

  * Cooling down
   * EX : Keep 30 K in IM
   * For the cooler maintenance, we will start warm up EX from today.

   * IX, IY, EY ongoing : about 88 K in IM (2023/09/01)
    * Temperature change [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/trendMon/finesse.html|url]]
    * Discussing when we start the cooling down of mirror
     * Q measurement was performed for IY mirror : Start the cooling down today

  * New high power laser replacement
   * IMC characterization

  * Interferometer operation
   * PRFPMI lock trial : Ongoing
   * But, for the warming up in EX (Close the gate valve)

  * New IP control
   * Ongoing

  * PEM tasks
   * Washimi-san and Anoop-san performed 
    * The first result will appear in next VK PEM meeting

 * 出張PEM injection ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=14016|planning form]])
  * 

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

  * Micro seismic analysis (Hoshino)
   * Submited to CQG
   * [[https://ja.overleaf.com/project/627270d6b67cab411d1c7d32|Overleaf]]
   * [[http://arxiv.org/abs/2306.12437]]

  * ICRC Proceedings

  * 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

 * 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 [[https://dcc.ligo.org/G2201168|slide]]
  * Data quality evaluation

 * Hoshino
  * Seismic motion analysis
  * Question from media

 *Sato
  * Activity this week
  * Sound source analysis

 * Miyamoto
  * Weather analysis

 * Takatani
  * Applying the deepclean
  * Calculation of Schumann resonance

 * Kume
  * PR3 line injection [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25670|klog25670]]
  * Noise subtraction

 * Nishizawa
  * Water newtonian noise
  * Magnetic field analysis

 * Washimi 
  * Air pressure at various places
  * Portable seismometer measurement

 * Yokozawa 
  * Mirror height check

==== 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]]