Weekly PEM meeting
- 2025/04/25(Fri) 17:00-
- Regular meeting
Zoom2 : https://zoom.us/j/6676627462
General announcement
- Schumann resonance paper review
O4c url
- Now commissioning break, Re-start 4th June end 7th Oct.
- Discussion about the engineering run
- KAGRA will join this with 10 Mpc sensitivity
- Now commissioning break, Re-start 4th June end 7th Oct.
- Bi-weeklky VK PEM meeting
- To discuss the analysis during their measurements
- Monday 17:00-(JST)
- --{ Next 28th Apr., 2025 }--
- 輪読開始します。
- 地震学 井出先生
- 木曜日 10:00 - 11:00(予定)
- 休日シフト募集中
- 三代木さんのメール参照
Meeting and Conference issue
- 4/11 : FS地震学 B02班研究集会 ＠ 地震研
- Washimi will have a presentation
4/23,24 : From QUarks to Neutron Stars * url
- Yokozawa will join the meeting
- 5/9~10 : JGWC研究会 @ JAXA相模原
- 発表申込締切：2025年4月7日（月）
- 参加登録締切：2025年4月21日（月）
5/19~23 : GWADW2025 @ フロリダ url
5/26~27 : KIW12 @ 上海 url
- Yokozawa will join the meeting
5/26~30: ET symposium @ ボローニャ url
- 締切：3/31
Other meetings url
If you have some presentations about PEM related, please contact to me.
Business travel
- To Kamioka
- Obara (4/29 - 5/1)
- Ozaki (5/18-24)
- Kaku+3M1 (5/18-24)
Kyoto U. DPRI & Korea NIMS (5/23)
- From Kamioka
- Washimi (Tokyo 4/11)
- Yokozawa (Tokyo 4/22-24)
- Yokozawa (China 5/25-28)
- Washimi (Sardegna, Middle of June - Middle of July?)
Washimi (Yamaguchi -> Hiroshima -> Kohch -> Okayama, 9/8-9/30?)
Jurnal paper issue
- Non-linear ICA paper
- The playground approved, preparation toward the submit
- Schumann Resonance paper
- Long term observation, seasonal variance
- Amplified inside the mine
- Others
- O4 PEM paper
- Start to investigate the topics
- Microseism with machine learning
- 1 Hz seismic motion paper
- Start the investigation
General issue
- Commissioning
- PRFPMI
- Latest sensitivity ~6.5 Mpc at maximum
- Reducing the RMS of the DARM error
- For the more low power coil driver
- Install the registance to reduce the circuit noise
- CARM noise investigation
- PEM injection test
- Washimi-san will report it
- Noise budget
- PRFPMI
出張PEM injection (planning form)
Preparation for O4b
- Voltmeter preparation
- AC power monitor installation
- DC power monitor installation
Progress report
- Ohashi
- Microseismic noise with machine learning
- Kaku
- Magnetic field
- Murofushi
- Earthquake and GIF noise
- Ozaki
- Nearby earthquake
- Obara
- Earthquake and suspension
- Kume, Ueno
- Noise subtraction
- Nishizawa
- Water newtonian noise
- Magnetic field analysis
- Washimi
- PEM injection
- Yokozawa
- PEM investigation PR3 - PRM