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 * Future meeting
  * 2/12(Fri) Regular
  * 2/19(Fri) VK PEM meeting
  * 2/26(Fri) Regular
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 * Future conferences
  * LVK meetin (online), March 15-19
  * GWADW (online), May 17-21, 2021
  * 8th KIW (online), KASI, Daejeon, Korea, July 7-9, 2021
  * GWPAW Hannover, Germany, Dec 14th-17th, 2021

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 * Interferometer schedule [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12041|JGW12041]]
  * VIS upgrade
  * IMC beam centering
   * Stray beam treatment
 * Interferometer schedule
  * VIS upgrade (ongoing)
  * IMC-IMM commissioning (From March)
   * Suspension commissioning and interferometer commissioning
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  * IYC experience
  * Temperature control

 * Account of the gw-astronomy
  * This account for accessing to LVK wiki, DCC etc.
  * Deadline 8th Feb.
   * Noise budget
   * Trial of vibration transfer function
  * IYC experience (completed)
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  * Please submit the form from [|url]   * Please submit the form from [https://gwcenter.icrr.u-tokyo.ac.jp/co-author-appli|url]
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 * SEO budget for PEM
  * Under discussion
  * (Ondotori maintenance)
  * (Cabling)
  * (Tiltmeter)
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   * March 8-12(?)    * March 8-12

 * Start the discussion about KAGRA seismic motion ([[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/PEM/Meeting/SEIS|URL]])
  * Share the information and discussion using the timeseries and spectrum plots
  * Interesting measurement
  * Tilt meter (Do not need because underground experiment?)

Weekly PEM meeting

Agenda

Conference issue

  • 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)
  • Future conferences
    • LVK meetin (online), March 15-19
    • 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.

General issue

  • Interferometer schedule
    • VIS upgrade (ongoing)
    • IMC-IMM commissioning (From March)
      • Suspension commissioning and interferometer commissioning
      • Type-C suspension commissioning
      • Noise budget
      • Trial of vibration transfer function
    • IYC experience (completed)
  • KAGRA Author list
  • 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
  • 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?)
  • 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/210226/Agenda (last edited 2021-02-26 17:01:58 by tatsuki.washimi)