Weekly PEM meeting

• 2024/06/28(Fri) 17:00-
• Regular meeting

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

General announcement

• Several young researcher workshop around F2F
• Virgo ENV member have some plan to visit KAGRA about 1 month
  • One month around Dec.
  • They are also thinking about visiting LIGO
  • KAGRA would still be commissioning phase
  • Plan
    • Noise hunting (PEM injection)
    • 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

• KAGRA F2F meeting
  • TCU 21st Aug. - 23rd Aug.

  • Registration url (Deadline 17th Jul.)

• 2024 Annual Meeting of the Physical Society of Japan
  • Yokozawa (Seismic noise according to the blasting)
  • Washimi (OMC repairment)
  • Ohashi(TCU) (Seis with ML)

• Other meetings url

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

Business travel

• To Kamioka
  • Aogaku (6/23-6/27)
• From Kamioka

  • Washimi (7/5,6) 学術変革研究会＠阪大

General issue

• Commissioning
  • MICH
    • Calibration

    • Noise budget (klog30120)

    • Scattered noise
  • PRX
    • Ongoing
  • Yarm
    • IR/GR locked
    • Alignment ongoing
    • TMSY
      • Almost ready for closing and pumping down
  • OMC
    • Vibration test after stack fixing
    • OMC lock recovery

• 出張PEM injection (planning form)

Jurnal paper issue

Details are here!

• Micro seismic analysis (Hoshino)
  • Submit to PTEP (2nd submission)

  • Overleaf

  • http://arxiv.org/abs/2306.12437

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

Preparation for O4b

• PEM installation
  • Waiting the timing of TMSX and TMSY
• Evaluation of newtonian noise
  • Anoop and Washimi
• Investigation of the PEM injection
  • Magnetic injection
• Voltmeter preparation
  • AC power monitor installation
  • DC power monitor installation

Progress report

• Yuzurihara
  • Pastavi

  • Data Quality Report slide

  • Data quality evaluation
• Sato
  • Sound source analysis
• Kume

  • PR3 line injection klog25670

  • Noise subtraction
• Nishizawa
  • Water newtonian noise
  • Magnetic field analysis
• Washimi

  • OMC vibration test JGW-T2415862

  • Newtonian noise from trucks
• Yokozawa
  • Shindo sensor and its test

Place for memo

• Line noise list in O3a public data

• Summary page for KAGRA O3 vector dark matter