== Weekly PEM meeting ==
 * 2020/12/11(Fri) 17:30-
 * Regular meeting
 * Zoom2 : https://zoom.us/j/6676627462

=== After this meeting ===
 * 12/11 Regular meeting
  * After this meeting, we will have a practice of KIW7 by Fujikawa-san
 * 12/18 18:00 - 19:00 VK PEM meeting (After KIW7)
 * 12/22 10:00 - 12:00 Newtonian noise meeting (Prelininary)

=== Agenda ===

==== Conference issue ====
  
 *[[https://indico.phys.sinica.edu.tw/event/16/|KIW7]]
  * The 7th KAGRA International Workshop (National Central U., Taiwan), Dec. 18-20, 2020  (F2F meeting on Dec. 17-18)
  * For students, oral presentation at KIW7 and poster presentation at F2F meeting 
  * Presentation
   * Yokozawa (KIW:Plenary session PEM)
   * Washimi (KIW:Acoustic inj+sound reverberation time+NN)
   * Kume (KIW:ICA analysis)
   * Fujikawa (KIW+F2F:Lock loss study for thesis)

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

==== General issue ====

 * Interferometer schedule [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12041|JGW12041]]
  * VIS upgrade
  * IMM upgrade
  * IYC experience
  * Temperature control
  * AC noise at Xend
  * Please contact us if you will work inside the chamber(take pictures)

 * Author list for O3b was opened
  * [[https://dcc.ligo.org/M2000263-v1|DCC]]

 * Contribution to PEM for joining the author list
  * KAGRA Environmental study (Including (future) newtonian noise measurement)
  * Noise evaluation using PEMs (Including lock loss study)
  * Setting monitors (Cabling, making monitor, ondotory maintenance)
  * Others

==== Discussion item ====

 * Start the investigation for measurement of the newtonian noise
  * Seismic NN
   * Requested to publish (at least 1 year) seismometer data summary from many directions
   * Fractal analysis
   * Timeline for Francesca analysis
   * Many seismometers
   * Accelerometers for wall
  * Water fluid NN
   * Fluid meter
   * Simulation
  * Atomospheric NN
   * Relative temperature monitor
   * Infrasound
  * Gravity monitor
   * TOBA
   * Superconducting Gravimeter
  
 * We will have a NN meeting in the final week of this December.
  
==== 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) [[https://docs.google.com/spreadsheets/d/1Lz5RNxdjOhdZp6CBef-USUUPmyNTrhww9a7u39W7PSI/edit?usp=sharing|Check list]], [[https://gokagra.slack.com/archives/C015M111B5G|slack]] '''<<Analysis is ongoing>>'''
   * Results of the environmental noise in the PTEP02 [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12129|JGWDoc12129]]
  * PTEP (3) : CAL, DET, PEM, GIF (Yokozawa) '''<<Submitted>>'''
  * Acoustic injection paper (Washimi) '''<<2nd DRAFT CIRCULATION>>''' [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12122|JGW-P2012122-v1]]
    * posted to CPC (12/7), circulated on 12/9 [kagra 03888]  
    * No comments yet
  * Seismic NN paper (with Virgo) '''<<DRAFT CIRCULATION>>'''
    * Playground data application is necessary 
  * Fractal paper (with Virgo) '''<<DRAFT CIRCULATION>>'''
    * Playground data application is necessary (Yokozawa)
  * ICA for E-run/O3GK (Kume, Yokoyama) '''<<Analysis ON GOING>>'''
  * Portable PEMs (Yokozawa+) '''<<Start writing>>'''

  * Virgo O3 break paper  '''<<PUBLISHED>>'''
   * [[https://www.mdpi.com/2075-4434/8/4/82]]

==== Preparation for O4 ====
 

  * PEM table
   * k1ctr plan
   * DELL PC
  * Cabling issue
   * Cleaning the center area
   * PEM cabling plan
   * New cable rack
  * Noise mitigation / Environment stability
   * GND issue 
   * Temperature control
  * PEM sensors
   * Re-install the ACCs, MICs, MAGs until commissioning start
   * water fluid monitor
   * read out of the lightning sensor 
   * Infrasound monitor @ Atotsu, Mozumi, tunnel (+ Toyama?) 
  * PEM injection
   * Acoustic injection at X/Y-end
   * Magnetic injection   


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


==== Progress report ====
 * Yokozawa
  * Rack ground GND 

 * Washimi
  * Water fluid [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12311|JGW-G2012311]]

 * Kume
   * ICA analysis related with PEM


==== Place for memo ====