Weekly PEM meeting

• 2022/10/14(Fri) 17:00-
• Regular meeting

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

General announcement

• KAGRA visiting plan
  • Welcome to visit KAGRA site
  • Please contact to Ohashi-san
• Important discussion with ET people
  • Magnetic field from infrastructure
  • If you want to join the discussion, please let Yokozawa know.
• Visiting to Virgo site
  • By C2C budget
  • Contact to Virgo people
    • Next year?
  • Washimi will visit Virgo in mid. Nov (NAOJ budget)

Meeting and Conference issue

• 第3回新学術「地下宇宙」若手研究会@つくば国際会議場
  • 2022年11月23日(水)～24日(木)

  • https://www.lowbg.org/ugap/ws/yr2022/index.html

• 第8回極低放射能技術研究@筑波大学
  • 2022年11月24日(木)～26日(土)
• ET annual meeting @ EGO
  • Nov.15-17
• ET symposium in Budapest, Hungary
• The 30th KAGRA Face-to-Face meeting in hybrid style
  • Nov 30-Dec 1, 2022 JST

  • url

  • registration page (Nov. 11th)

  • Please have a presentation for master thesis
• 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
  • 10/16 - 10/26 Kiyota(OMU)
  • 10/19 - Miyamoto(ICRR)
  • 10/23 - 10/29 Fukunaga(OMU)
• From Kamioka

  • 10/18,19 YokozaWashimi (Niigata)

  • Washimi go to Itary
    • 11/8 : Gran Sasso (GSSI, LNGS)
    • 11/10~19 : Virgo

General issue

• Overall schedule
  • 10/04 Start the pumping down
    • After fixing the large leak
    • 2e-5 Pa at BS
    • 2e-4 Pa at IMM
    • Opened the gate valves between BS-IX and BS-IY
      • After investigation of the Qmass measurement
• Interferometer overall
  • FPMI lock succeeded!

    • DARM(AS17), CARM(REFL45), MICH(REFL51->POP17)

    • Latest sensitivity klog22097

    • Calibration evaluation
    • Control filter optimization
    • Interferometer characterization
  • X arm commissioning
    • End X IM 81K
    • We will start the noise budget of the new oplev again
    • OMC ASC using the Xend test mass
  • Y arm commissioning
    • IY duct shield cooling
    • TMSY pumping down started
  • New high power laser
    • PMC locked
  • ISS
    • Characterization is ongoing
  • ASC preparation
    • WFS settings, optics optimization
    • Beam profile measurements
• Schedule

  • attachment

• PEM schedule
  • Re-installation of PEMs toward O4

• 出張PEM injection (planning form)

Jurnal paper issue

Details are here!

• ICA for E-run/O3GK (Kume, Kobayashi)

  • https://arxiv.org/abs/2206.05785

• Micro seismic analysis (Hoshino)
  • writing

  • Overleaf

• Acoustic reverberation time paper (Washimi+)
  • Suspend
  • Re-measurement before O4?

Preparation for O4

• Barometers and infrasound placement underground
  • Set the temperature, humidity and barometer to each station
• Weather station
  • Weather in KAGRA entrance
  • New weather station
  • Calibration
• Investigation of the PEM injection is just started
  • New DAC preparation
  • Acoustic injection at PSL/IMMCS/X/Y-end
  • Magnetic injection
  • Portable PEM injectors
• 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 slide

  • Data quality evaluation
• Suzuki
  • Water simulation
• Hoshino
  • Seismic motion analysis
• Miyamoto
  • Weather analysis
• Kume
  • Report of paper progress
• Fukunaga
  • Schumann resonance
• Kiyota
  • Power line noise investigation
• Nishizawa
  • Water newtonian noise
  • Magnetic field analysis
• Washimi
  • planning for the business travels
• Yokozawa
  • Investigating the MN oplev glitch

Place for memo

• Line noise list in O3a public data

• Summary page for KAGRA O3 vector dark matter