== Weekly PEM meeting == * 2021/02/05(Fri) 17:30- * Regular meeting * Zoom2 : https://zoom.us/j/6676627462 === Agenda === ==== Conference issue ==== * Future meeting * 2/5(Fri) Fujikawa practice after this meeting * 2/12(Fri) Regular * 2/19(Fri) VK PEM meeting * 2/26(Fri) Regular * JPS meeting [[https://www.jps.or.jp/activities/meetings/annual/annual-index.php|URL]] * オフライン解析によるKAGRAデータの雑音除去(Kume) * 「第七回極低放射能技術」研究会 [[https://www.lowbg.org/ugap/ws/lb2021/index.html|URL]] * 落雷磁場を利用した神岡地下水分量の長期観測(鷲見, 3/25) * If you have some presentation about PEM related, please contact to me. ==== General issue ==== * Interferometer schedule [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12041|JGW12041]] * VIS upgrade * IMC beam centering * Stray beam treatment * Type-C suspension commissioning * IYC experience * Temperature control * Account of the gw-astronomy * This account for accessing to LVK wiki, DCC etc. * Deadline 8th Feb. * KAGRA Author list * Process will start this month * SEO budget for PEM * Under discussion * (Ondotori maintenance) * (Cabling) * (Tiltmeter) * Evaluation meeting [[https://dac.icrr.u-tokyo.ac.jp/KAGRA/ChiefMeeting/2021-01-12%20Evaluation%20Meeting|URL]] * Make brief summary ==== Discussion item ==== * Call candidate for seismometer data analysis person * Seismic motion during O3GK * Turn over Fujikawa-san's analysis * Detail analysis for micro-seismic motion * Earthquake information * Some human activity(1-10 Hz) behavior * Self noise evaluation * About 3month for postdoc or doctor student, half year for master(2nd) student? * Start the investigation for measurement of the newtonian noise : NN meeting ([[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/PEM/Meeting/201222|URL]]) * Portable water fluid monitor * Permanent water fluid monitor at Yend * March 8-12(?) * Discussion for particle counters [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12501|JGW-G2112501]] * ISO class1 measurable particle counter at the entrance of PSL room * Before measurement, we need to measure with other particle counter * Effect of KOACH filter * Floor measurement * Discussion 1/29 [[KAGRA/Subgroups/PEM/Meeting/210129/PCounter|memo]] * Contribution to PEM for joining the author list [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12435|Working list]] * KAGRA Environmental study (Including (future) newtonian noise measurement) * Noise evaluation using PEMs (Including lock loss study and offline subtraction) * Setting monitors (Cabling, making monitor, ondotori maintenance) * Others ==== Jurnal paper issue ==== [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/PEM/Reports/JurnalPaperIssue|Details are here!]] * PTEP (2) : noise budget(K.Yamamoto, Kokeyama, Washimi) [[https://docs.google.com/spreadsheets/d/1Lz5RNxdjOhdZp6CBef-USUUPmyNTrhww9a7u39W7PSI/edit?usp=sharing|Check list]], [[https://gokagra.slack.com/archives/C015M111B5G|slack]] '''<>''' * NB plot has been finalised * PWT is writing the draft for each part * PTEP (3) : CAL, DET, PEM, GIF (Yokozawa) '''<<3rd Submitted done>>''' [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11664|JGW-P2011664]] * Acoustic injection paper (Washimi) '''<>''' [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12122|JGW-P2012122]] * Status : "Awaiting Decision" * Lightening paper (Washimi) '''<>''' [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12426|JGW-P2112426]] * Washimi plan to hold a seminar in the next week. [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12504|JGW-G2112504]] * Fractal paper (Alessandro) '''<>''' [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12438|JGW-P2112438]], [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/PEM/Meeting/Seminar/210128|seminor slide]] * No objection for playground data. * Seismic NN paper (Fransisca) '''<>''' * Microphone data -> confirmed * Reverberation time paper (Washimi+) '''<>''' * ICA for E-run/O3GK (Kume, Yokoyama) '''<>''' * Portable PEMs (Yokozawa+) '''<>''' ==== Preparation for O4 ==== * PEM table * k1ctr plan * Cabling, DELL PC update * Cabling issue * Cleaning the center area * PEM cabling plan * BS-IYC cabling (March or April?) * New cable rack * cabling, moving from IX0 * Set the electric boxes for portable/permanent PEMs * Noise mitigation / Environment stability * Temperature control * IYC dry air, temperature is good now * PEM sensors * Re-install the ACCs, MICs, MAGs before commissioning start * water fluid monitor * Magnetometers for Schumann resonance [[https://www.metronix.de/metronixweb/fileadmin/user_upload/Dokumente/Geophysiks/Induction%20Coil%20MFS-06e/FlyerMFS-06e_jap_v35.pdf|MFS-06e]] * Position? * Measurement plan * Self noise evaluation * Infrasound monitor @ Atotsu, Mozumi, tunnel (+ Toyama?) * Infrasound microphone (ACO4152NHA, 0.05 - 8000 Hz) * Vibration projection * Before closing the IMC chambers, IMC vacuum tables * Discussion with CAL team about A chamber * PEM injection * Acoustic injection at X/Y-end * Magnetic injection * After O4 * RF monitor * Tiltmeter * RI detector * Newtonian noise * Discussion with DET members * Daily summary page PEM * Line identification * Yokozawa * VIS -> IOO -> MIF ==== Memo for working list in this physical year ==== * Find time when Yokozawa and Washimi-san can work * Bird watching * Completed [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12520|JGW-T2112520]] * Change battery operation to AC power supply operation (We bought 20 AC taps) * Measurement by particle counter * Plan is ongoing * Transfer function from vacuum chamber leg to table * If possible * PEM rack MCF * Cable diagram for IOO * Yokozawa and Nakano-san ==== Progress report ==== * Yokozawa * Temperature control * Washimi * no reports * Kume * ICA analysis related with PEM * Fujikawa * Master thesis ==== Place for memo ====