== Weekly PEM meeting ==
 * --(2020/05/22(Fri) 16:00- )-- canceled
 * Regular meeting
 * Zoom2 : https://zoom.us/j/6676627462

=== Agenda ===
　
==== General issue ====

 * Interferometer status
  * Now interferometer is "suspend mode"
   * Measurements without interferometer
   * Keep the IMC lock
   * Check the green laser flash
  * Earthquakes at Hida area is serious
   * Large frequency
   * Close from KAGRA. Damage to alignment

 * JPS meeting
  * Online meeting [[https://www.jps.or.jp/activities/meetings/autumn/autumn_index.php|web]]
  * deadline 6/4

 * Tasks for post-commissioning
  * [[https://docs.google.com/spreadsheets/d/1w4q8OvX9E6nkYSgshLYLoZH5yvQXHvGmL1agux8ztx0/edit?usp=sharing|post commissioning]]
   * Scattered light (One of the hammering test)
   * OMC chamber vibration RMS
   * PEM injection
   * Line noise investigation by PEM

 * PEM papers (Writer)
  * KAGRA summary paper(Yokozawa)
   * Part of the KAGRA overview paper
   * PTEP (Overview of KAGRA : (3) Detector characterization, calibration, physical environment, and data quality)[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11664|klog11664]]
    * Installation
    * Technical issue
  * Acoustic injection paper (Washimi)
   * Target journal
   * Request 3+8 hours data taking to commissioning
  * Portable PEMs (Yokozawa)
   * Target journal->to be discussed later
   * Chromebook+USB PEMs, aco power supply+BNC PEMs+KAGRA DAQ
  * Ground motion paper (Yokozawa)
   * Technical note
   * Just for memo(忘備録)
   * If we can summary for special issue, we will start the discussion for journal paper
    * Lock loss study by earthquake
    * Micro-seismic motion
    * Seasonal ground motion
    * Newtonian noise
    * Baseline compensation
    * Human activity and its effect
    * etc.
  * PEM summary note (Yokozawa+)
   * Just for memo, technical note
   * What we did toward the observation
   * If we can summary for special issue, we will start the discussion for journal paper
    * Sound everberation time study(Washimi+)
    * PEM map
    * Lock loss study
    * Scattered light
    * etc.
  * Other topic
   * If you have interested in, please contact to Yokozawa and Washimi first
   * We took many environmental data
    * Magnetic field by five magnetometer(Washimi+)
    * Six Seismometer(Miyo+)
    * Many microphones and accelerometers(Yokozawa+)
    * Weather vs environment
    * Lightening(Washimi+)
    * Temperature vs suspension
    * Non linearity noise study
    * Line noise investigation(Yokozawa+)
    * ICA analysis (Kume, Yokoyama)

==== Place for memo ====