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  * Make brief summary   * Need more time for interferometer evaluation
   * Coupling with environmental noise
   * Eigen frequencies
   * Seismic, water flow
  * About noise budget (PEM???)
   * Take care for interferometer configuration, calibration
   * Pick up information
   * Overplotting
  * PEM circuits
   * Reducing orignal circuits
  * PEM cabling
   * Now considering the new cable diagram

Weekly PEM meeting

Agenda

Conference issue

  • Future meeting
    • 2/12(Fri) Regular
    • 2/19(Fri) VK PEM meeting
    • 2/26(Fri) Regular
  • JPS meeting URL

    • オフライン解析によるKAGRAデータの雑音除去(Kume)
  • 「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)

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

General issue

  • Interferometer schedule JGW12041

    • VIS upgrade
    • IMC beam centering
      • Stray beam treatment
      • Type-C suspension commissioning
    • IYC experience
    • Temperature control
  • Account of the gw-astronomy
    • This account for accessing to LVK wiki, DCC etc.
    • Deadline 8th Feb.
  • KAGRA Author list
    • Please submit the form from [|url]
    • Please contact to me if you cannot decide the effort
    • Please submit your contribution even if you will graduate this year
  • SEO budget for PEM
    • Under discussion
    • (Ondotori maintenance)
    • (Cabling)
    • (Tiltmeter)
  • Evaluation meeting URL

    • Need more time for interferometer evaluation
      • Coupling with environmental noise
      • Eigen frequencies
      • Seismic, water flow
    • About noise budget (PEM???)
      • Take care for interferometer configuration, calibration
      • Pick up information
      • Overplotting
    • PEM circuits
      • Reducing orignal circuits
    • PEM cabling
      • Now considering the new cable diagram

Discussion item

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

    • Portable water fluid monitor
    • Permanent water fluid monitor at Yend
      • March 8-12(?)
  • Discussion for particle counters JGW-G2112501

    • ISO class1 measurable particle counter at the entrance of PSL room
      • Before measurement, we need to measure with other particle counter
    • Effect of KOACH filter
    • Floor measurement
    • Discussion 1/29 memo

  • Start the discussion about KAGRA tilt measurement
    • under construction
  • Contribution to PEM for joining the author list Working list

    • KAGRA Environmental study (Including (future) newtonian noise measurement)
    • Noise evaluation using PEMs (Including lock loss study and offline subtraction)
    • Setting monitors (Cabling, making monitor, ondotori maintenance)
    • Others

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
  • PTEP (3) : CAL, DET, PEM, GIF (Yokozawa) <<Accepted by PTEP>> JGW-P2011664

  • Acoustic injection paper (Washimi) <<1ts iteration>> JGW-P2012122

    • dead line : Mar. 9
  • Lightening paper (Washimi) <<Submitted to CPC>> JGW-P2112426, JGW-G2112504

    • playground data application.
  • Fractal paper (Alessandro) <<Submitted to Journal>> JGW-P2112438, seminor slide

  • Seismic NN paper (Fransisca) <<DRAFT CIRCULATION>>

    • 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

  • Cabling issue
    • Cleaning the center area
    • PEM cabling plan
      • BS-IYC cabling (March or April?)
    • New cable rack
      • cabling, moving from IX0
    • Set the electric boxes for portable/permanent PEMs
  • Noise mitigation / Environment stability
    • Temperature control
      • IYC dry air, temperature is good now
  • PEM sensors
    • Re-install the ACCs, MICs, MAGs before commissioning start
    • water fluid monitor
    • Magnetometers for Schumann resonance MFS-06e

      • Position?
      • Measurement plan
      • Self noise evaluation
    • Infrasound monitor @ Atotsu, Mozumi, tunnel (+ Toyama?)
    • Infrasound microphone (ACO4152NHA, 0.05 - 8000 Hz)
  • Tilt meter
    • Just start the discussion
  • 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

Memo for working list in this physical year

  • Find time when Yokozawa and Washimi-san can work
    • Measurement by particle counter
      • Plan is ongoing
    • Transfer function from vacuum chamber leg to table
      • If possible
  • PEM rack MCF
  • Cable diagram for IOO
    • Yokozawa and Nakano-san

Progress report

  • Yokozawa
    • Temperature control
  • Washimi
    • no reports
  • Kume
    • ICA analysis related with PEM
  • Fujikawa
    • Master thesis

Place for memo

KAGRA/Subgroups/PEM/Meeting/210212/Agenda (last edited 2021-02-12 10:14:51 by TakaakiYokozawa)