Weekly PEM meeting

• 2021/01/15(Fri) 17:30-
• Regular meeting

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

After this meeting

• 12/11 Regular meeting
  • After this meeting, we will have a practice of KIW7 by Fujikawa-san
• 12/18 18:00 - 19:00 VK PEM meeting (After KIW7)
• 12/22 10:00 - 12:00 Newtonian noise meeting (Prelininary)

Agenda

Conference issue

• KIW7

  • The 7th KAGRA International Workshop (National Central U., Taiwan), Dec. 18-20, 2020 (F2F meeting on Dec. 17-18)
  • For students, oral presentation at KIW7 and poster presentation at F2F meeting
  • Presentation

    • Yokozawa (KIW:Plenary session PEM)

    • Washimi (KIW:Acoustic inj+sound reverberation time+NN)

    • Kume (KIW:ICA analysis)

    • Fujikawa (KIW+F2F:Lock loss study for thesis)
• If you have some presentation about PEM related, please contact to me.

General issue

• Interferometer schedule JGW12041

  • VIS upgrade
  • IMM upgrade
  • IYC experience
  • Temperature control
  • AC noise at Xend
  • Please contact us if you will work inside the chamber(take pictures)
• 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
  • Seismic NN
    • Requested to publish (at least 1 year) seismometer data summary from many directions
    • Fractal analysis
    • Timeline for Francesca analysis
    • Many seismometers
    • Accelerometers for wall
  • Water fluid NN
    • Fluid meter
    • Simulation
  • Atomospheric NN
    • Relative temperature monitor
    • Infrasound
  • Gravity monitor
    • TOBA
    • Superconducting Gravimeter
• We will have a NN meeting in the final week of this December.

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) <<2nd DRAFT CIRCULATION>> JGW-P2012122-v1

  • posted to CPC (12/7), circulated on 12/9 [kagra 03888]
  • No comments yet

• Seismic NN paper (with Virgo) <<DRAFT CIRCULATION>>

  • Playground data application is necessary

• Fractal paper (with Virgo) <<DRAFT CIRCULATION>>

  • Playground data application is necessary (Yokozawa)

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

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

• Virgo O3 break paper <<PUBLISHED>>

  • https://www.mdpi.com/2075-4434/8/4/82

Preparation for O4

• PEM table
  • k1ctr plan
  • DELL PC
• Cabling issue
  • Cleaning the center area
  • PEM cabling plan
  • New cable rack
• Noise mitigation / Environment stability
  • GND issue
  • Temperature control
• PEM sensors
  • Re-install the ACCs, MICs, MAGs until commissioning start
  • water fluid monitor
  • read out of the lightning sensor
  • Infrasound monitor @ Atotsu, Mozumi, tunnel (+ Toyama?)
• PEM injection
  • Acoustic injection at X/Y-end
  • Magnetic injection

• After O4
  • RF monitor
  • Tiltmeter
  • RI detector
  • Newtonian noise

Progress report

• Yokozawa
  • Rack ground GND
• Washimi

  • Water fluid JGW-G2012311

• Kume
  • ICA analysis related with PEM

Place for memo