== Weekly PEM meeting == * 2021/03/12(Fri) 17:00- * Regular meeting * Zoom2 : https://zoom.us/j/6676627462 === Agenda === ==== Conference issue ==== * 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) * Future conferences * LVK meetin (online), March 15-19 * GWADW (online), May 17-21, 2021 * 8th KIW (online), KASI, Daejeon, Korea, July 7-9, 2021 * GWPAW Hannover, Germany, Dec 14th-17th, 2021 If you have some presentation about PEM related, please contact to me. * Future meetings * next VK PEM meeting : 3/19 or 3/26 * next seismic meeting with JAMSTEC : ? ==== General issue ==== * Interferometer schedule * VIS upgrade (ongoing) * IMC commissioning * Suspension commissioning and interferometer commissioning * PSL recovery after black out (IMC flash detected) * Type-C suspension commissioning * Oplev recovery and calibration * Noise budget * Trial of vibration transfer function * InputX suspension commissioning * After installing new ACC * After IMC commissioning * Sudden blackout occurred at 4th Mar. * Mostly recovered(DGS, vacuum and so on) * Need the check of circuit, PD, PEM(?) and so on * GND report * Yokozawa reported (8th Mar. 16:00-17:00) * kagra04074 ==== Discussion item ==== * 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 * Cabling : 9th March * Installation : 11-12 March with company * Report later * Start the discussion about KAGRA seismic motion ([[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/PEM/Meeting/SEIS|URL]]) * Share the information and discussion using the timeseries and spectrum plots * Interesting measurement * Tilt meter (Do not need because underground experiment?) * Share the information between Tilt meter measurement at SK area * Trun over seismometer analysis from Fujikawa-san * Magnetic field * Check them after arriving new magnetometer * Arrive at end of March(?) * Call for PEM tasks * This is under discussing * Call the todo list to KAGRA collaborator * New collaboration about KAGRA PEM * We are investigating this issue * Also, discussed previous PEM meeting * Call the collaboration(Both KAGRA collaboration and just the collaboration) * If you know the interesting laboratories, please contact to us. * 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 * Acoustic injection paper (Washimi) '''<<2nd submission>>''' [[https://arxiv.org/abs/2012.09294|arXiv:2012.09294]] * modified version was submitted (3/5) * Lightening paper (Washimi) '''<>''' [[https://arxiv.org/abs/2103.06516|arXiv:2103.06516 ]] * 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]] * Seismic NN paper (Fransisca) '''<>''' * Microphone data -> confirmed * Reverberation time paper (Washimi+) '''<>''' * ICA for E-run/O3GK (Kume, Yokoyama) '''<>''' * Portable PEMs (Yokozawa+) '''<>''' ==== Preparation for O4 ==== * Global Cabling issue * Cleaning the center area * Cable diagram for IOO, ALS, ISC were done by M.Nakano * GND investigation for electric rack was done by T.Yokozawa * Combination of two progress * Ask company (Candidate SK service) * PEM cabling plan * BS-IYC cable rack (April) * New cable diagram * How many ADCs will be prepared? Whitening chassis? * Set the electric boxes for portable/permanent PEMs * Noise mitigation / Environment stability * Raise topics after starting IMC commissioning * PEM sensors * Re-install the ACCs, MICs, MAGs before commissioning start * Some temporal PEMs for IMC-IMM commissioning (Using ADC in IOO1 rack?) * 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]] * Connector * 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 ==== Progress report ==== * Yokozawa * Take over Fujikawa-san's analysis * Washimi * Water fluid monitor * RI monitor * Kume * ICA analysis related with PEM ==== Place for memo ====