• KAGRA
• Subgroups
• PEM
• Meeting
• 230210
• Agenda

Weekly PEM meeting

• 2023/02/10(Fri) 17:00-
• Regular meeting

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

General announcement

• KAGRA visiting plan
  • Now, the budget of KAGRA is limiting, but if you want to visit Kamioka, please contact to Yokozawa
• SEO budget
  • For maintenance, observation and toward O5

Meeting and Conference issue

• JPS meeting (Online)
  • Registration : Finished
    • Washimi(Schumann resonance)
    • Fukunaga(Schumann resonance)
    • Miyamoto(Weather)
• ICRC 2023
  • Nagoya

  • url

• Deadline abstract submission 20th Feb(?)
• 電離層とシューマン共振スペクトルの時間変動
  • 2/21(Tue) 16:00-
• LVK meeting
  • 13 - 16 Mar

  • url

• ILANCE conference
  • 27 - 30 Mar
  • Kyoto University

  • url

• GWADW 2023
  • 21 - 27 May, Elba, Italy
  • One day could be the day for "KAGRA commissioning support" and "experiences/results in KAGRA" presentation
  • The 3rd generation can be a large topics because ET is now proceeding.
• LVK Meeting
  • 11 - 14 Sep.
  • Toyama, Japan
• 10th KIW

• 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
  • Miyamoto (2/12-18)
  • Fukunaga (2/20-2/24)
• From Kamioka
  • No

General issue

• PRFPMI with AS17 + OMC DC readout done
  • 1.2 W output from IMC (7 W when O3GK)
  • Roll off the MICH and PRCL control
  • Same feed forward for MICH and PRCL from O3GK
  • Future work
    • Check the scattering light
    • Improve the suspension control
    • Alignment sensing and control
    • Interferometer characterization
    • Increased the laser power

• 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?
• Tonga GIF paper
  • Playground application

Preparation for O4

• Investigation of the PEM injection is just started
  • Acoustic injection preparation
    • Portable + SR3 PEM system recovery
  • Magnetic injection
    • After O4a?
• Finalize the PEM installation
  • Accelerometer to C chamber and TMS table
  • Microphone to C chamber
    • Do we need both booth and field?
• Voltmeter preparation
  • We made the PEM channel
    • K1:PEM-VOLT_{PSL,IMCREFL,REFL,ISS,AS}_TABLE_{GND,FLOAT,DIFF}
    • K1:PEM-VOLT_OMC_CHAMBER_{GND,FLOAT,DIFF}
  • AC power monitoring
    • Bought transreducer
• 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
  • VK mag
  • SEM update
  • Microseismic
• Yokozawa
  • Morning interferometer work

Place for memo

• Line noise list in O3a public data

• Summary page for KAGRA O3 vector dark matter