== Weekly PEM meeting ==
 * 2021/04/16(Fri) 17:00-
 * Regular meeting
 * Zoom2 : https://zoom.us/j/6676627462

=== Agenda ===

==== Conference issue ====

 * GWADW (online), May 17-21, 2021
  * Registration deadline May 10
   * Rapid registration is recommended
 * 新学術「地下宇宙」領域研究会  (5/19~21, Kobe university)
   * Washimi (& Yokoyama-san) have talk(s) 
 
 * Future conferences
  * 8th KIW (online), KASI, Daejeon, Korea, July 7-9, 2021
  * GWPAW Hannover, Germany, Dec 14th-17th, 2021

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

==== General issue ====

 * Interferometer schedule 
  * VIS upgrade (ongoing)
   * EYC dirty check
   * IX LVDT ACC installation
   * Type-A height check
   * PR checks(Tighten the jigs)
  * IOO commissioning 
   * IMC alignment(done)
   * Type-C suspension commissioning
    * Oplev recovery, characterization and calibration
    * Transfer function check
   * Noise budget
   * Trial of vibration transfer function
  * PMC calibration
   * Noise budget by PEMs

 * SEO budget
  * If you need material, please let me know

 * Schedule
  * Detail discussion in next Monday.
  * [[https://dac.icrr.u-tokyo.ac.jp/attachment/6069bec9f130890061c6136a|figure]]

 * PEM schedule
  * [[https://dacgit.icrr.u-tokyo.ac.jp/projects/kagra/issues/gantt|url]]
  * Magnetic field(Done)
  * Re-installation of PEMs toward O4


==== Jurnal paper issue ====
[[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/PEM/Reports/JurnalPaperIssue|Details are here!]]
  * PTEP (2) : noise budget(K.Yamamoto, Kokeyama, Washimi) [[https://docs.google.com/spreadsheets/d/1Lz5RNxdjOhdZp6CBef-USUUPmyNTrhww9a7u39W7PSI/edit?usp=sharing|Check list]], [[https://gokagra.slack.com/archives/C015M111B5G|slack]] '''<<Writing>>'''
     * NB plot has been finalised
     * PWT is writing the draft for each part
  * Acoustic injection paper (Washimi) '''<<Published>>''' [[https://doi.org/10.1088/1361-6382/abf89a]]

  * Lightening paper (Washimi) '''<<Opened in arXiv>>''' [[https://arxiv.org/abs/2103.06516|arXiv:2103.06516 ]]
    * the English modification service has been finished.

  * Fractal paper (Alessandro) '''<<Submitted to Journal>>''' [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12438|JGW-P2112438]],  [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/PEM/Meeting/Seminar/210128|seminor slide]]

  * Newtonian noise paper (Francesca) '''<<Submit soon>>'''

  * Reverberation time paper (Washimi+) '''<<Start writing>>'''

  * ICA for E-run/O3GK (Kume, Yokoyama) '''<<Analysis ON GOING>>'''

  * Portable PEMs (Yokozawa+) '''<<Start writing>>'''

==== Preparation for O4 ====

  * Global Cabling issue
   * Cleaning the center area
   * Ask company (Candidate SK service)

  * PEM cabling plan
   * BS-IYC cable rack (After golden week)
   * New cable diagram
    * Discussed today
   * Cleaning around IY rack cables(Done)
   * MCF rack ready
   * Cabling schedule will be finalize next week

  * PEM sensors
   * Re-install the ACCs, MICs, MAGs before commissioning start
   * water fluid monitor
   * Magnetometers for Schumann resonance [[https://www.metronix.de/metronixweb/fileadmin/user_upload/Dokumente/Geophysiks/Induction%20Coil%20MFS-06e/FlyerMFS-06e_jap_v35.pdf|MFS-06e]]
    * Connector
    * Position
    * Measurement plan
    * Self noise evaluation

  * Vibration projection
   * Before closing the IMC chambers, IMC vacuum tables
   * Discussion with CAL team about A chamber

  * PEM injection
   * Acoustic injection at X/Y-end
   * Magnetic injection   

 * After O4 
   * RF monitor
   * Tiltmeter
   * RI detector
   * Newtonian noise

 * Discussion with DET members
  * Daily summary page PEM
  * Line identification
   * Yokozawa
   * VIS -> IOO -> MIF

==== Progress report ====
 
 * Investigation of ICA analysis 
  * Task list and todo list
  * How to discuss?
 
 * Yokozawa
  * Cabling plan
  * Infrasound microphone 
  * PSL, PMC issue(With Yamamoto-san)
  
 * Washimi
  * Magnetic field [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12777|JGW-G2112777]]
  * Water fluid monitor

 * Pil-Jong
  * Discussion of O3GK DET

 * Suzuki
  * Water simulation

 * Seismic motion analysis
  * O3GK
  * Microseismic
  * Long term

==== Place for memo ====