== Weekly PEM meeting ==
 * 2023/07/07(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 

 * O4a run finished successfully 
  * 4 weeks run has been finished on 21st June 8:00(JST)
  * CAL/DET week finished
  * restarted the commissioning toward the O4b

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

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

  * ICRC 2023  [[https://amarys-jtb.jp/2023icrc/|url ]] 7/26 - 8/3
   * Nagoya
   * Yokozawa will present about KAGRA PEM (oral)
   * Washimi will present about Schumann resonance and SGWB (oral)

  * LVK meeting at Toyama
   * 11-14 September 2023
   * 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
  * Hoshino(8/8 - 10)
 * From Kamioka
  * No
  
==== General issue ====

 * Status 
  * Sensitivity 1.1~1.4 Mpc [[https://dac.icrr.u-tokyo.ac.jp/KAGRA/DAWG/Detchar/klog/klog25188|latest]]
  * Summary [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/misc/html/|url]]

  * Noise budget measurement
   * Interferometer (MICH, PRCL, ISS, CARM, ...)
   * Suspensions
   * PEMs
   * Peak identification
   * etc.
   * Some measurement results
    * Dark noise and shot noise [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25787|klog25787]]
    * DARM sensitive noises [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25784|klog25784]]
    * Acoustic injection [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=15061|JGWDoc15061]]

  * Lock loss investigation
   * Ongoing

  * New high power laser replacement
   * Replacing itself was performed, but the laser power was instable
   * Gave up the replacement and backed to the original one

 * Schedule after O4a

  * Open the OMC chamber (1 week)
   * 7/10 - 16
   * Set the geophone inside the chamber and evaluate the vibration
   * Treatment the ghost beam
   * PD noise evaluation

  * Turned off and on the cryocooler (1 week)
   * Turned off (6/30)
    * Turned on the TMP and temperature adjustment
   * Turned on again 

  * Commissioning toward 10 Mpc

 * 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]]

  * 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

 * Acoustic injection post O4a
  * Reported later

 * 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

 *Sato
  * Sound source analysid

 * 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 
  * Schumann resonance study [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=15046|JGW-G2315046]]

 * Yokozawa 
  * Lock loss study O4a
  * Summary of acoustic injection test post O4a [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=15061|JGWDoc15061]]

==== 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]]