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   * Parallel session (experimental or data analysis)
    * Yokozawa : Summary of O3GK PEM
    * Washimi : Acoustic injection analysis
   * Parallel session (experimental --(or)-- and data analysis)
    * Yokozawa : Summary of O3GK PEM and future prospect (Experimental)
    * Washimi : Acoustic injection analysis (Data analysis)
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    * PTEP(3) : Yokozawa ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11664|JGW11664]])
    * Publication plan : Washimi ([[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/PEM/Reports/JurnalPaperIssue|info]])
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    * Yokozawa (Results of the hammering test, line noise investigation and seismic motion analysis)

Weekly PEM meeting

Agenda

Conference issue

  • F2F meeting
    • 20-22 August
    • Wiki : https://dac.icrr.u-tokyo.ac.jp/KAGRA/KSC/f2f/2020August

    • Discussion issue
      • Parallel session (experimental or and data analysis)

        • Yokozawa : Summary of O3GK PEM and future prospect (Experimental)
        • Washimi : Acoustic injection analysis (Data analysis)
      • Paper plan session
        • PTEP(3) : Yokozawa (JGW11664)

        • Publication plan : Washimi (info)

      • Poster session
        • Yokozawa (Results of the hammering test, line noise investigation and seismic motion analysis)
      • KSC session
        • Washimi : klog protection issue
  • JPS meeting
    • Online meeting web

    • Yokozawa will present about the PEM activity
  • KIW7
    • The 7th KAGRA International Workshop (National Central U., Taiwan), Dec. 18-20, 2020 (F2F meeting on Dec. 17-18)
    • Yokozawa is supported by C2C program
    • If you have interested in, please contact to Yokozawa

General issue

  • Interferometer status
    • RSE lock trial
      • PRFPMI lock recovery trial
      • New suspension damping (modal damping)
      • - 11th Sep.
    • Occasional day
      • 12th - 16th Sep.
    • Preparation for O4 work
  • Working style (COVID-19 related)
    • Situation is unclear, I will explain in this meeting.
    • Limitting the mine work
    • Some collaborator came to Kamioka. Please contact to Yokozawa if you plan to go to Kamioka.
  • Useful management tools
    • Easy communication : Slack
      • We want to start using the slack by communication. I will send the message to candidate
    • Task management : GitHub

    • Software management : GitHub

    • Papers : Overleaf
    • Street view : Holobuilder

Jurnal paper issue

Details are here!

  • PTEP (2) : noise budget(K.Yamamoto) Check list, slack <<Analysis ON GOING>>

    • Environmental part
      • Acoustic noise : on going (PEM injection analysis, Washimi)
      • Seismic noise : summarise the actual seismic nois during O3GK? (who?)
      • OMC leg vibration : 12th - 16th Sep. ?
      • AC power lines : Coherence analysis is done (http://klog.icrr.u-tokyo.ac.jp/osl/?r=14848, Washimi])

      • Magnetic noise : skipped in this paper?
      • Newtonian : seismic newtonian -> from PTEP1 (or Francisca?) / water fluid newtonian -> skipped / air density -> skipped

    • Line noise investigation
  • PTEP (3) : CAL, DET, PEM, GIF (Yokozawa) <<Referee comments>>

  • Acoustic injection paper (Washimi) <<Analysis Almost DONE>>

  • ICA for E-run/O3GK (Kume, Yokoyama) <<Analysis ON GOING>>

  • Portable PEMs (Yokozawa+) <<Start investigation>>

Preparation for O4

  • Clean up the experimental area
    • Material control
    • Clean cabling
      • Most PEMs were recovered.
      • Buy new PEMs
  • PEM tasks for O4 will be discussed after this meeting with SEO
    • GND issue
    • Cabling issue
  • Temperature control
  • New PEMs
    • ACO microphone and power supply
      • New plastic box
  • for O4 preparation
    • GND issue

      • We found new ground in the center area
      • We started the rack design with AEL people
    • cabling (github204)

    • ondotori (github205)

    • water fluid (github207)

      • Discussion with Furuta-san & a company is started

    • read out of the lightning sensor (github182)

    • Infrasound monitor @ Atotsu, Mozumi, (+ Toyama?)
    • RF monitor
    • tiltmeter
    • RI detector
      • Rn : contact person -> Guillaume Pronostさん (ICRR, SK)

      • cosmic-ray : plastic scintillator?
      • gamma/neutron : 新学術地下宇宙
      • start from a geiger counter?
    • gravity gradient (Newtonian noise)
      • Superconducting Gravimeter
      • TOBA
  • PEM injection for O4
    • Large speaker @ End station
    • Magnetic injection by large coil

Analysis report

  • Washimi
  • Fujikawa
    • Lock loss study
  • Progress of the ICA analysis
  • Omicron and hveto study(Someone)

Place for memo

KAGRA/Subgroups/PEM/Meeting/200814/Agenda (last edited 2020-08-14 15:02:24 by TakaakiYokozawa)