== Weekly PEM meeting ==
 * 2023/04/14(Fri) 17:00-
 * Regular meeting
 * Zoom2 : https://zoom.us/j/6676627462

==== General announcement ====

 * If you or your student/stuff have interested in the new PEM activity, please contact to me

 * O4a run will start from 24th May
  * 4 weeks run it will finish 21st Junne
  * Mostly onsite and Mitaka member will have a shift for observation
   * Not disagree that offsite member come KAGRA during run
  * CAL/DET week from 17th May
   * We will stop the innterferometer update

 * SEO budget to PEM is limiting

 * KAGRA visiting plan
  * Now, the budget of KAGRA is limiting, but if you want to visit Kamioka, please contact to Yokozawa

 * RRT shift
  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=14891|JGWDoc14891]]

==== Meeting and Conference issue ====
  *  XIII Einstein Telescope Symposium [[https://indico.ego-gw.it/event/562/abstracts/]]
   * May 8–12, in Cagliari Italy 
   * Washimi (online) : Schumann resonance amprification
   * Somiya (online) : Water NN
   
  * GWADW 2023
   * 21 - 27 May, Elba, Italy
   * One day could be the day for "KAGRA commissioning support" and "experiences/results in KAGRA" presentation
   * The 3rd generation can be a large topics because ET is now proceeding.

  * 10th KIW
   * 29,30th May
   * C2C support possible, if you have interested in having the presentation about PEM, please contact to me
   * Washimi (SOC)
   * Hoshino

  * ICRC 2023  [[https://amarys-jtb.jp/2023icrc/|url ]]
   * Nagoya
   * Deadline 2/20
   * Yokozawa will present about KAGRA PEM (oral)
   * Washimi will present about Schumann resonance and SGWB

  * JPS meeting (Tohoku U)
   * Limiting hotel

  * 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 ====

 * Depending on the situation of COVID-19
 * To Kamioka
  * No
 * From Kamioka
  * No
  
==== General issue ====

 * PRFPMI locked
  * 1.2 W output from IMC (7 W when O3GK)
   * Best 1.0 Mpc (?)
  * Activities this week 
   * ASC using wave front sensors and ADS, BPC and so on
    * BPC at center area
    * Problem of the discrepancy between green and IR
    * Problem of how to align to the OMC after ASC performing
   * MICH and PRCL feed forward implementation
    * To find the time

  * (Future) Interferometer characterization
   * Increasing the power at REFL table
   * MICH controls investigation
    * POP table to REFL table
    * Simulation
   * Alignment sensing and controls
   * Control filter optimization
   * Suspension control
    * Now evaluating the suspension control noise
   * Increased the laser power
  
 * 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)
   * writing
   * [[https://ja.overleaf.com/project/627270d6b67cab411d1c7d32|Overleaf]]

  * Acoustic reverberation time paper (Washimi+) 
    * Suspend
    * Re-measurement before O4?

  * Tonga GIF paper
     * Referee comments

==== Preparation for O4 ====

 * Discussion of the portable PEM channels
  * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=24621|klog24621]]
  * Still under investigation with the results of the tapping test

 * Finalize the PEM installation
  * Accelerometer to C chamber and TMS table (Maybe postpone after O4a, lower priority)
  * Microphone to C chamber (Maybe postpone after O4a, lower priority)

 * Investigation of the PEM injection is just started
  * Tapping test is higher priority
  * Acoustic injection preparation
   * Output sound smaller compared from O3GK's
  * Magnetic injection 
   * After O4a?

 * Voltmeter preparation
  * We made the PEM channel
   * K1:PEM-VOLT_{PSL,IMCREFL,REFL,ISS,AS}_TABLE_{GND,FLOAT,DIFF}
   * K1:PEM-VOLT_OMC_CHAMBER_{GND,FLOAT,DIFF}
  * AC power monitoring
   * Bought transreducer
   * Prepared
  * DC power monitoring
   * Arrived at Kamioka

 * 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

 * Kume
  * Noise subtraction

 * Nishizawa
  * Water newtonian noise
  * Magnetic field analysis

 * Washimi 
  * 
 
 * Yokozawa 
  * Morning silent run
  * Oplev glitch investigation


==== 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]]