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* 24Hz noise (100V AC + AA?) | |
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* Coherent with ITMX MN YAW * Coherence with ITMY TM PIT |
* ACC ground loop problem * New accelerometers for noise search * Lock state vs EXC magnetometer |
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* Summary of coherence study between PEMs and DARM displacement ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10923|pdf]]) * Washimi, Yamada, TTanaka * IXC vibration Yamada ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10925|pdf]]) |
* IXC Air compressor (+TNTanaka) * IXV chamber characterization (+Yamada, TNTanaka) * 100V AC monitor * Kamiokaminari * PEM map |
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* TTanaka(ICRR), Washimi, TTanaka(Niigata), Yamada * Acoustic injection with FPMI |
* TTanaka(ICRR) * Acoustic injection with FPMI (+ Washimi, Yamada, TNTanaka) |
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* Vacuum pump vibration[[attachment:StopVacuumePump.pdf]] | * Vacuum pump vibration |
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* fujimopy [[attachment:PEMmtg_191105fmpy.pdf]] | * fujimopy |
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* Fujikawa, Washimi * Lock loss study [[attachment:PEMmtg_191105lock.pdf]] |
* Fujikawa * Lock loss study (+Washimi) |
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* 24Hz noise situation | * IXC compressor study * Yamamoto, Yuzu, Andrew * Pastavi |
Weekly PEM meeting
- 2019/11/12(Tue) 17:00-(JST)
- Regular meeting meeting
Web meeting with Zoom2 (Zoom2)
Agenda
- General issue
- PTEP paper
- [kagra 03133]
- KAGRA Overview papers
- Overview of KAGRA : (3) Detchar, calibration, physical environment, data quality
- Next F2F meeting
- RESCEU
- 4th and 5th Dec., 2019
- 1 slot Washimi-san will have a talk
- If you plan to write master/doctor thesis, please let me know
- TTanaka
- Chrome Book project (Portable PEM researcher)
http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/PEM/Portable
- We prepared two PEM Chromebook
- Start writing paper (PTEP?)
- PEM injection
- Shaker injection1 (TTanaka, Yokozawa)
- acoustic injection (TTanaka, Yokozawa)
- magnetic field injection (Niigata Tanaka, Fujikawa, Yokozawa)
- Weekly PEM measurement
- Friday (+every morning) is weekly PEM measurement
- Understanding the effect of the instruments, search the origin of noise, and so on
- Tentative : 18V DC noise(24Hz), Cryochamber vibration, Air compressors, FFU, Cooler, Noise search
- Database for the KAGRA characteristic lines
- Fixed bugs
- Visitors from LV
- Anamaria from Livingston : 18 - 29 Nov.
- Federico, Irene, Camilla (input optics) + Francesca from Virgo : 11/26-12/7 (2 weeks@KAGRA, 1 weeks@NAOJ)
- Fujikawa, TNTanaka 11/24-12/3
- Each progress
- Yokozawa
- Current serious noises
- MICH control noise
- ACC ground loop problem
- New accelerometers for noise search
- Lock state vs EXC magnetometer
- Daily summary page
- Current serious noises
- Washimi
- IXC Air compressor (+TNTanaka)
- IXV chamber characterization (+Yamada, TNTanaka)
- 100V AC monitor
- Kamiokaminari
- PEM map
- Kozakai
- Trigger analysis with silent run
- TTanaka(ICRR)
- Acoustic injection with FPMI (+ Washimi, Yamada, TNTanaka)
- Mori
- Vacuum pump vibration
- Fujikawa, Mori
- fujimopy
- Line amplitude web page
- Fujikawa
- Lock loss study (+Washimi)
- TTanaka(Niigata)
- Preparation of the coil
- IXC compressor study
- Yamamoto, Yuzu, Andrew
- Pastavi
- etc
- Yokozawa