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 * Date: 2019/7/16 17:00-18:00(JST) 10:00-11:00(CEST)  * Date: 2019/8/20 17:00-18:00(JST) 10:00-11:00(CEST)
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 * Join : Yokozawa, Oshino, Terrence, Fabian, Washimi, Kozakai, Miyo, Federico, Jan, TTanaka, Irene, Okawa, Fujikawa, Mori, Kaihotsu, controls, Yuzurihara, Yamamoto, Takahashi  * Join : Yokozawa, Kokeyama, Washimi, Kozakai, Fujikawa, TTanaka, Irene, Federico, Mori, Yuzurihara, Oshino, Ohkawa
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 * General issue
  * KAGRA detector status & Update of the KAGRA PEM from last meeting (Yokozawa)
  * Virgo status & PEM working plan on Octover (Federico, Irene)
   * Apr. 52Mpc -> Now 44Mpc
   * alignment and so on, switch on/off, inj, shaking
   * Scattered noise at low frequency, chillar or ground
   * 50Hz noise
    * w¥switching loads
    * comparing path ground fixing
    * vench shaking acoustic injection HVAC system, search the correlation
   * fast unlock IMC unkock
   * PEM injection
  * Plan to visit Virgo (Washimi)

 * each member progress
  * Washimi 
   * Sound reverberation time analysis [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=10551|Slide]]

Minute of PEM meeting


  • Date: 2019/8/20 17:00-18:00(JST) 10:00-11:00(CEST)
  • Attendance:
  • English meeting
  • Join : Yokozawa, Kokeyama, Washimi, Kozakai, Fujikawa, TTanaka, Irene, Federico, Mori, Yuzurihara, Oshino, Ohkawa

=== Agenda ===

  • General issue
    • KAGRA detector status & Update of the KAGRA PEM from last meeting (Yokozawa)

    • Virgo status & PEM working plan on Octover (Federico, Irene)

      • Apr. 52Mpc -> Now 44Mpc

      • alignment and so on, switch on/off, inj, shaking
      • Scattered noise at low frequency, chillar or ground
      • 50Hz noise
        • w¥switching loads
        • comparing path ground fixing
        • vench shaking acoustic injection HVAC system, search the correlation
      • fast unlock IMC unkock
      • PEM injection
    • Plan to visit Virgo (Washimi)
  • each member progress
    • Washimi 
      • Sound reverberation time analysis Slide

KAGRA/Subgroups/PEM/Meeting/190820/Minute (last edited 2019-08-29 11:41:33 by TakaakiYokozawa)