Weekly PEM meeting
- 2023/10/27(Fri) 17:00-
- Regular meeting
Zoom2 : https://zoom.us/j/6676627462
General announcement
- O4b
- Break : mid-January - mid-March, 2024
- Virgo : will join in March
- KAGRA : Three month observation around here
- O4a noise budget paper
- If you have a plan to write the paper using O4a data and PEM, please let me know.
- KAGRA visiting plan
- If you want to visit Kamioka, please contact 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?
- Gravitational Wave Probes of Physics Beyond Standard Model
- Osaka Metropolitan University
6-9 November 2023 url
- Registration deadline 9th Oct.
Other meetings url
If you have some presentation about PEM related, please contact to me.
Business travel (except for conferences)
- To Kamioka
- 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 : Radiation shield cooling down : 140 K
- EY : Started the maintenance
- Last weekend, need maintenance
- IX, IY ongoing : about 85-87 K in IM (2023/10/27)
Temperature change url
- After starting the cooling down after measuring the Q-value of sapphire fiber
- Interferometer operation
- PRFPMI lock trial : Ongoing
- Alignment sensing and control
- Resonant frequency damping
- MN oplev control to reduce the sensor noise
- OMC lock stable
- Preparation towards opening the OMC chamber
- Started pumping down
- Some leak at OMC area
- New IP control
- Ongoing
- Strategy for noise hunting
出張PEM injection (planning form)
Jurnal paper issue
- Micro seismic analysis (Hoshino)
- Submited to Physica Scripta
- ICRC Proceedings
- Acoustic reverberation time paper (Washimi+, Sato?)
- Suspend
- Re-measurement before O4?
- TCam paper
- Writing ongoing
Preparation for O4b
- Schumann resonance measurement
- Setting the magnetometer : Done
- Prepare for winter season : Ongoing
- Data taking : Started
- Evaluation of newtonian noise
- Anoop and Washimi
- PEM installation
- Start planning
- 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
- Magnetic field analysis
- Yokozawa
- PEM injection OMC area