• KAGRA
• Subgroups
• PEM
• Meeting
• 240322
• Agenda

Weekly PEM meeting

• 2024/03/22(Fri) 17:00-
• Regular meeting

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

General announcement

• SEO PEM budget 2024
  • Maintenance
  • Towards O5
• Several Virgo ENV member have some plan to visit KAGRA about 1 month
  • One month Aug. - 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
• Authorlist 2024
  • If you have an opinion, please let us know.
• O4b
  • ER16 20th Mar.
  • O4b 3rd Apr.
• 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

• Please reserve the hotel in Hokkaido if you plan to join the Autum JPS meeting next time
• JPS (online) 2024/3/18-21

  • https://www.jps.or.jp/activities/meetings/spring/spring_index.php

    • Hoshino (Earthquake)
    • Miyamoto (weather)
    • Sato (Sound)
    • Takatani (Noise subtraction)
• KIW11
  • Taiwan (2024/04/16-20)
  • Yokozawa : Exploring the Mesoscale Meteorology on the KAGRA Gravitational Wave Detector
  • Washimi : Earthquake Effects on KAGRA
  • 4/19 afternoon meeting with deepclean member
• GWADW
  • Australia (2024/05/12-18)
• GWPAW
  • Israel (2024/05/27-31)

• Other meetings url

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

Business travel

• To Kamioka
  • None
• From Kamioka
  • Yokozawa (3/27-29 Kashiwa)
  • Yokozawa (4/13-21 Taiwan)

General issue

• Interferometer recovery
  • IMC
    • Plan
      • Final check : Done
      • vibration check, photo session : today planned
      • Closing : 3/25 -
      • Pumping : 3/26-
  • Type-Bp
    • First contac trial
    • Wait next step (IR alignment after IMC closing)
  • Type-A
    • IX
      • Oplev viewport cleaning
      • Roll realignment
      • Earthquake check oplev path check ??
    • EX
      • Earthquake check oplev path check : Done
      • Health check : Ongoing
      • We found several viewport window cleaning
    • EY
      • BF coil : Done
      • PF cabling : Planned
      • Roll alignment
      • Earthquake check oplev path check ??
    • IY
      • Pick up the information
  • Green alignment recovery
    • Both GRX and GRY reached end
    • Found POP POS table for reflection beam from ETMs
  • Pcal
    • X
      • Final check before closing chamber
    • Y
      • After finalize X
  • TCam
    • Photo taking with major : Done
    • Taking picture with GRX flash
    • End Y cleaning
• Strategy for noise hunting

  • klog26848

• 出張PEM injection (planning form)

Jurnal paper issue

Details are here!

• Micro seismic analysis (Hoshino)
  • Submit to PTEP

  • Overleaf

  • http://arxiv.org/abs/2306.12437

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

Preparation for O4b

• Snow monitor
  • Ongoing
  • First snow detected
• 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
• Hoshino
  • Seismic motion analysis
• Sato
  • Sound source analysis
• Miyamoto
  • Weather analysis
• Takatani
  • Noise subtraction with machine learning
• Kume

  • PR3 line injection klog25670

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

Place for memo

• Line noise list in O3a public data

• Summary page for KAGRA O3 vector dark matter