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    * Some formalities (copy right, etc.) are finished.
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    * the English modification service has been finished.

Weekly PEM meeting

Agenda

Conference issue

  • 「第七回極低放射能技術」研究会 URL

    • 落雷磁場を利用した神岡地下水分量の長期観測(鷲見, 3/25)
  • Newtonian noise paper seminar
    • 30th Mar. 2021 17:00-(JST), 9:00-(CET)
    • Presentators : Francesca, Jan
  • Future conferences
    • GWADW (online), May 17-21, 2021
    • 8th KIW (online), KASI, Daejeon, Korea, July 7-9, 2021
    • GWPAW Hannover, Germany, Dec 14th-17th, 2021

If you have some presentation about PEM related, please contact to me.

  • Future meetings
    • next VK PEM meeting : 3/26
    • next seismic meeting with JAMSTEC : To be discussed

General issue

  • Interferometer schedule
    • VIS upgrade (ongoing)
    • IMC commissioning
      • Suspension commissioning and interferometer commissioning
      • Type-C suspension commissioning
        • Oplev recovery and calibration
      • Noise budget
      • Trial of vibration transfer function
    • InputX suspension commissioning
      • After installing new ACC
      • After IMC commissioning

Discussion item

  • Start the investigation for measurement of the newtonian noise : NN meeting (URL)

    • Portable water fluid monitor
    • Simulation
    • Infrasound monitors
  • Start the discussion about KAGRA seismic motion (URL)

    • Share the information and discussion using the timeseries and spectrum plots
    • Interesting measurement
    • Tilt meter (Do not need because underground experiment?)
    • Share the information between Tilt meter measurement at SK area
    • Trun over seismometer analysis from Fujikawa-san
  • Magnetic field
    • Arrived four magnetometers at 17th Mar.
    • First data taking at end of March with GERD
  • New collaboration about KAGRA PEM
    • We are investigating this issue
    • Also, discussed previous PEM meeting
    • Call the collaboration(Both KAGRA collaboration and just the collaboration)
    • If you know the interesting laboratories, please contact to us.

Jurnal paper issue

Details are here!

  • PTEP (2) : noise budget(K.Yamamoto, Kokeyama, Washimi) Check list, slack <<Writing>>

    • NB plot has been finalised
    • PWT is writing the draft for each part
  • Acoustic injection paper (Washimi) <<2nd submission>> arXiv:2012.09294

    • modified version was submitted (3/5)
    • Some formalities (copy right, etc.) are finished.
    • Now we are waiting the reply from referees.
  • Lightening paper (Washimi) <<Opened in arXiv>> arXiv:2103.06516

    • the English modification service has been finished.
  • Fractal paper (Alessandro) <<Submitted to Journal>> JGW-P2112438, seminor slide

  • Seismic NN paper (Fransisca) <<Submitted to CPC>>

    • Microphone data -> confirmed

  • Reverberation time paper (Washimi+) <<Start writing>>

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

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

Preparation for O4

  • Global Cabling issue
    • Cleaning the center area
      • Cable diagram for IOO, ALS, ISC were done by M.Nakano
      • GND investigation for electric rack was done by T.Yokozawa
      • Combination of two progress
    • Ask company (Candidate SK service)
  • PEM cabling plan
    • BS-IYC cable rack (April)
    • New cable diagram
      • Discussed later
    • IMC PEM rack will be ready
  • PEM sensors
    • Re-install the ACCs, MICs, MAGs before commissioning start
      • Some temporal PEMs for IMC-IMM commissioning (Using ADC in IOO1 rack?)
    • water fluid monitor
    • Magnetometers for Schumann resonance MFS-06e

      • Connector
      • Position
      • Measurement plan
      • Self noise evaluation
    • Infrasound monitor @ Atotsu, Mozumi, tunnel (+ Toyama?)
    • Infrasound microphone (ACO4152NHA, 0.05 - 8000 Hz)
  • Vibration projection
    • Before closing the IMC chambers, IMC vacuum tables
    • Discussion with CAL team about A chamber
  • PEM injection
    • Acoustic injection at X/Y-end
    • Magnetic injection
  • After O4
    • RF monitor
    • Tiltmeter
    • RI detector
    • Newtonian noise
  • Discussion with DET members
    • Daily summary page PEM
    • Line identification
      • Yokozawa
      • VIS -> IOO -> MIF

Progress report

  • Yokozawa
    • Cabling plan
  • Washimi
    • Water fluid monitor
  • Kume
    • ICA analysis related with PEM

Place for memo

KAGRA/Subgroups/PEM/Meeting/210319/Agenda (last edited 2021-03-19 09:17:05 by tatsuki.washimi)