• KAGRA
• Subgroups
• PEM
• Meeting
• 220722
• Agenda

Weekly PEM meeting

• 2022/07/22(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
  • Meeting of Seismic noise and infrastructure noise (11th July)
  • If you want to join the discussion, please let Yokozawa know.
• LVK Newtonian noise
  • Presentation at LVK meeting?
• Visiting to Virgo site
  • By C2C budget
  • Contact to Virgo people
  • End of October -

Meeting and Conference issue

• KAGRA F2F meeting
  • August 1-3
  • Hongo campus

  • 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
  • 7/25, 26 : Araya-san, Takamori-san (ERI, GIF)
  • 7/27 : Narita-san and his student (SIT, Lightning)
• From Kamioka
  • F2F related (8/1~3, UT Hongo)

General issue

• Overall schedule
  • 7/11 - 8/12 Suspension commissioning Type-B
  • 8/1 - 8/5 Acceptance check PRM~PR2
  • 8/22 - 8/26 Closing the center area ~PR2
  • 8/13 - 8/19 Acceptance check ~SRM
  • 8/29 - 9/2 Closing the center area ~SRM
  • 9/5 - 9/9 Leak test
• Additional information
• Some delay from
  • Beam dump around IFI
  • SR3, SRM mid-size baffle final check
• X arm commissioning
  • End X IM 83K
  • Investigation of the noise in the new oplev light source
  • Investigation of the TMSX beam shape
  • Investigation of the ADC noise
• Y arm commissioning
  • Pumping down ongoing
• Center area commissioning
  • Mid-size baffle SRM : Partially done, need to move to final position
  • Study for installation of the new laser
    • Set inside the PSL room
• TMSX investigation for ASC
  • Position of QPD for alignment sensing and control
  • Beam shape investigation
• REFL table investigation
  • Check power budget
• Beam dump around IFI
  • Many ghost beam
  • beam dumper from reflection beam of the PRM
• ALS CARM/DARM
  • Just started the investigation
• Schedule

  • attachment

• PEM schedule
  • Re-installation of PEMs toward O4

• 出張PEM injection (planning form)

  • TAMA300 (Before or after F2F meeting?)

Jurnal paper issue

Details are here!

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

  • https://arxiv.org/abs/2206.05785

• Tonga paper (Washimi+)

  • https://arxiv.org/abs/2206.14396

  • English correction : finished
  • Submitted to arXiv(v2) and PTEP
• Micro seismic analysis (Hoshino)
  • writing

  • Overleaf

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

Preparation for O4

• PEM installation
  • IMMT1 trans ACC
  • MIC for CRY room and near the IXC air compressor
• Barometers and infrasound placement underground
  • We will discuss with GIF group next Tuesday
• Magnetic field underground
  • Magnetic field from Infrastructure
  • Plan : Close the permanent magnetometer close to beam duct
• 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)
• 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

  • Vibration test of grooving work klog21546

  • PEM MAP update https://www.icrr.u-tokyo.ac.jp/~washimi/KAGRA/PEM/PEMmap/

  • Infrasound monitoring update klog21573

• Yokozawa
  • Investigating the MN oplev glitch
  • Investigating the IMMT oplev glitch

Place for memo

• Line noise list in O3a public data

• Summary page for KAGRA O3 vector dark matter