• KAGRA
• Subgroups
• PEM
• Meeting
• 230929
• Agenda

Weekly PEM meeting

• 2023/09/29(Fri) 17:00-
• Regular meeting

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

General announcement

• VK PEM meeting

  • url

  • Next 19th Oct.(Thu)
• KAGRA visiting plan
  • If you want to visit Kamioka, please contact with Yokozawa

Meeting and Conference issue

• ET SCB/SPB/ANM workshop @ Nikhef, December 6-7
  • Washimi will attend in person
  • satellite meeting before/after the workshop?

• Other meetings url

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

Business travel (except for conferences)

• To Kamioka

  • Chou & Yeh (9/10 + LVK + 9/16-23, 28)

  • Miyamoto (10/4 - 11/3)
• From Kamioka
  • Washimi (10/27-28 Mitaka)
  • Washimi (10/30 Kanazawa)
  • Washimi (11/2-4 Kashiwa)
  • Washimi (11/4-5 Waseda)
  • Washimi (11/6-9? OMU)
  • Washimi (12/4-8? Amsteldam)

General issue

• Cooling down

  • EX : Warming up for maintain the cooler -> Done

    • GV opened and started cooling down
  • GVs around EXC closed
    • VAC trouble X-27
      • The reason unknown, shutdown the vacuum pump
  • IX, IY, EY ongoing : about 85-87 K in IM (2023/09/22)

    • Temperature change url

    • After starting the cooling down after measuring the Q-value of sapphire fiber
• New high power laser
  • Broken, replaced the old FBL
• Interferometer operation
  • PRFPMI lock trial : Ongoing
• New IP control
  • Ongoing
• Strategy for noise hunting

  • klog26848

• 出張PEM injection (planning form)

Jurnal paper issue

Details are here!

• Micro seismic analysis (Hoshino)
  • Submited to CQG

  • Overleaf

  • http://arxiv.org/abs/2306.12437

• ICRC Proceedings
• Acoustic reverberation time paper (Washimi+, Sato?)
  • Suspend
  • Re-measurement before O4?
• TCam paper
  • Writing ongoing

Preparation for O4b

• Check the seismic motion around mozumi area
  • Daytime ground motion
  • It may appeared in DARM sensitivity (SR3?)
• Schumann resonance measurement
  • Restart (plan today)
• Evaluation of newtonian noise
• Investigation of the PEM injection
  • Magnetic injection
    • After O4a?
• Voltmeter preparation
  • AC power monitor installation
  • DC power monitor installation
• 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
• Hoshino
  • Seismic motion analysis
• Sato
  • Sound source analysis
• Miyamoto
  • Weather analysis
• Takatani
  • Applying the deepclean
  • Calculation of Schumann resonance
• Kume

  • PR3 line injection klog25670

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

  • seismometer klog26958, klog26960

  • Magnetometer
  • SGWB + Schumann resonance
  • Acoustic NN estimation
• Yokozawa
  • Lock loss due to earthquake

Place for memo

• Line noise list in O3a public data

• Summary page for KAGRA O3 vector dark matter