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    * English correction     * English correction : finished
    * Submitted to arXiv(v2) and PTEP

Weekly PEM meeting

General announcement

  • KAGRA visiting plan
    • Welcome to visit KAGRA site
    • Please contact to Ohashi-san
  • Important discussion with ET people
    • Magnetic field
    • Meeting of Seismic noise and infrastructure noise (11th July?)
    • If you want to join the discussion, please let Yokozawa know.
  • Visiting to Virgo site
    • By C2C budget
    • Contact to Virgo people
    • End of October -

Meeting and Conference issue

  • ET underground infrastructure and noise meeting
    • July 11, 11:00am CEST
  • KAGRA F2F meeting
    • August 1-3
    • Hongo campus

    • Registration url

    • Wiki page url

  • LVK meeting
    • 12-15 September
    • Cardiff Unviersity, UK
  • JPS meeting

    • url

    • 2022/9/6-8 Okayama
      • Washimi : Infrasound
      • Hoshino : Seismic and ocean
  • 日本天文学会
    • 9/13-15
    • 新潟大学
  • ET symposium in Budapest, Hungary
  • GR23 in Beijin, China
  • GWPAW2022 in Melbourne Australia
  • GRASS 2022 in Padova, Italy

  • Other meetings url

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

Business travel

  • Depending on the situation of COVID-19
  • To Kamioka
    • Fukunaga (7/3-7/9)
  • From Kamioka
    • F2F related

General issue

  • Overall schedule
    • 7/4 - 7/8 Interferometer commissioning
    • 7/11 - 7/22 Suspension commissioning Type-Bp and Type-B
    • 7/25 - 7/29 Acceptance check ~PR2
    • 8/1 - 8/5 Closing the center area ~PR2
    • 8/8 - 8/19 (Including Obon) Acceptance check ~SRM
    • 8/22 - 8/26 Closing the center area ~SRM
    • 8/29 - 9/2 Leak test
    • Mid size baffle installation partially done (SR3, SRM)
    • SRM replacement (Done)
    • ISS installation (Review 7/19)
    • High power laser installation (Brought to KAGRA site)
  • Procedure toward X arm commissioning
    • Radiation shield cooling Xend
      • IM temperature is ~80 K
      • Finesse is not changed
  • Y arm commissioning
    • EY : Pumping down ongoing
      • Still there are leak 3e-10 Pa level, additional repairing ongoing
    • IY : We will start the duct shield cooling, depending on the pressure level and health check
  • OMC power budget
    • After the interferometer alignment and SRM replacement, power budget ongoing
      • The power loss around OMC is one of the important investigation point at O3GK
    • Beam profile measurement will be planned next week
  • TMSX investigation for ASC
    • Position of QPD for alignment sensing and control
    • Beam shape investigation
  • Fiber noise cancellation
    • Many investigations are ongoing, it became much better
  • Schedule
  • Type-Bp's suspension health check
    • Oplev upgrade
    • Cable check
    • TF measurement
  • PEM schedule
    • Re-installation of PEMs toward O4

  • 出張PEM injection (planning form)

    • TAMA300 (June 22)

Jurnal paper issue

Details are here!

Preparation for O4

  • PEM installation
    • To optical table
  • Barometers and infrasound placement underground
  • Magnetic field underground
    • Magnetic field from Infrastructure
    • Fan, ...
  • Seismic and infrastructure noise
    • Call for analysis person
    • After infrasound microphone installation
  • Magnetmeters for the Schumann resonance
    • Fukunaga-san's report
    • ADU (Washimi)
    • Discussing with technicians (AEL, FCL)
  • Lightening
    • There were many lightening around KAGRA area
  • Weather station
    • Weather in KAGRA entrance
    • New weather station
    • Calibration

  • PEM injection (planning form)

    • Low-frequency sound injectorklog16829

    • Acoustic injection at X/Y-end
    • Magnetic injection (I want to start the preparation soon)
  • After O4
    • RF monitor with mokugo
    • Tiltmeter
    • RI detector
    • Newtonian noise
  • Discussion with DET members
    • Daily summary page PEM

Progress report

  • Yuzurihara
    • Pastavi
    • Data Quality Report
    • Data quality evaluation
  • Suzuki
    • Water simulation
  • Hoshino
    • Seismic motion analysis
  • Kume
    • Report of paper progress
  • Fukunaga
    • Schumann resonance
  • Kiyota
    • Take over Kobayashi-san's work
  • Nishizawa
    • Water newtonian noise
    • Magnetic field analysis
  • Washimi
    • New storage for infrasound measurement at analysis building
    • PEM measurement in CLIO site
  • Yokozawa
    • Investigating the MN oplev glitch

Place for memo

KAGRA/Subgroups/PEM/Meeting/220708/Agenda (last edited 2022-07-08 16:17:33 by tatsuki.washimi)