• KAGRA
• Subgroups
• PEM
• Meeting
• 241011
• Agenda

Weekly PEM meeting

• 2024/10/11(Fri) 17:00-
• Regular meeting

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

General announcement

• Virgo ENV member have some plan to visit KAGRA about 1 month
  • Jan., Feb. or Mar. one month
  • Plan
    • Noise hunting (PEM injection) toward the 10 Mpc would be first priority
    • Power supply operation
    • Magnetic injection
    • Additional NN measurement
    • Other
• O4a noise budget paper
  • If you have a plan to write the paper using O4a data and PEM, please let me know.

Meeting and Conference issue

• Other meetings url

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

Business travel

• To Kamioka
  • No
• From Kamioka

  • YokozaWashimi (10/24-25 Osaka)

  • Washimi (NAOJ)

General issue

• Commissioning
  • PRFPMI
    • Recovered the O4a situation
      • Kept more than 11 hours last night

    • Some frequency improved (Sensitivity)

      • OMC repair work(?)
      • Improved the suspension control
    • Calibration check is ongoing
  • Schedule
    • OMC commissioning with Komori-san (-10/17)
    • OMC repairing (10/17-25)
    • Cooling down

• 出張PEM injection (planning form)

Jurnal paper issue

Details are here!

Preparation for O4b

• Coil preparation for magnetic injection
• Voltmeter preparation
  • AC power monitor installation
  • DC power monitor installation

Progress report

• Yuzurihara
  • Pastavi

  • Data Quality Report slide

  • Data quality evaluation
• Sato
  • Acoustic injection analysis
• Ohashi
  • Microseismic noise with machine learning
• Kume
  • Noise subtraction
• Nishizawa
  • Water newtonian noise
  • Magnetic field analysis
• Washimi
  • OMC test at NAOJ
  • Preparation of the large coil
• Yokozawa
  • Noise hunting

Place for memo

• Line noise list in O3a public data

• Summary page for KAGRA O3 vector dark matter