Weekly PEM meeting

• 2020/11/13(Fri) 17:30-
• Regular meeting

• Zoom2 : https://zoom.us/j/6676627462

After this meeting

• Fujikawa meeting

Agenda

Conference issue

• KIW7
  • The 7th KAGRA International Workshop (National Central U., Taiwan), Dec. 18-20, 2020 (F2F meeting on Dec. 17-18)
  • Abstract deadline : 20th Nov.
  • plenary sessions of "O3GK reports" (commissioning, calibration, PEM, detchar, etc), and "Toward O4" (instruments, designs, analysis, etc)
  • For thesis presentations: Please prepare your presentation as a poster in F2F (poster award will be held). Please contribute also as an oral talk in the parallel sessions in KIW7, if the contents are not confidential.
• F2F meeting
• (Next JPS meeting is also online-meeting)　

General issue

• Interferometer status
  • DGS upgrade
    • Give up because of hardware part. Continuously discussion.

• Interferometer schedule JGW12041

  • Open chambers
  • Please contact us if you will work inside the chamber(take pictures)
• C20 offline calibration data was relesed
• Author list for O3b was opened

  • DCC

• Contribution to PEM for joining the author list
  • KAGRA Environmental study (Including (future) newtonian noise measurement)
  • Noise evaluation using PEMs (Including lock loss study)
  • Setting monitors (Cabling, making monitor, ondotory maintenance)
  • Others

Discussion item

• Start the investigation for measurement of the newtonian noise
  • Requested to publish (at least 1 year) seismometer data summary from many directions...
  • Timeline for Francesca analysis
  • Water fluid issue
  • Simulation
  • TOBA
• Spectram of the lightening

Jurnal paper issue

Details are here!

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

  • Results of the environmental noise in the PTEP02 JGWDoc12129

• PTEP (3) : CAL, DET, PEM, GIF (Yokozawa) <<Submitted>>

• Acoustic injection paper (Washimi) <<1st DRAFT CIRCULATION>> JGW-P2012122-v1

  • Latest meeting : 11/12 17:30~, up to §4
  • Next meeting : 11/19 17:30~

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

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

Preparation for O4

• PEM tasks for O4 will be discussed after this meeting with SEO
  • GND issue
  • Cabling issue
  • Cleaning the center area

  • water fluid (github207)

    • Plan reported in the Chief meeting : JGW-G2012217

    • Rental portable fluidmeter : 11/25~12/9

  • read out of the lightning sensor (github182)

  • Infrasound monitor @ Atotsu, Mozumi, tunnel (+ Toyama?)
    • if accepted

• After O4
  • 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?
  • Newtonian noise
    • Accelerometer for wall
    • Relative temperature monitor
    • Many seismometers
    • Superconducting Gravimeter
    • TOBA

Progress report

• Yokozawa
  • Preparing the materials for portable PEMs
  • Rack ground GND
• Washimi
  • Lightening
• Kume
  • ICA analysis related with PEM

Place for memo