== Weekly PEM meeting == * 2019/12/17(Tue) 16:00-(JST) * Regular meeting meeting (Japanese) * Web meeting with Zoom2 ([[https://zoom.us/j/6676627462|Zoom2]]) === Agenda ===   ==== General issue ==== * Interferometer status * Detection range is about 40kpc at maximum * There is still some peaks in the lower frequency * Type-A resonant frequency etc... * Mostly AS PD noise at higher frequency * PRFPMI trial at end of this year * Peaks appeared at higher frequency * PEM injection to REFL table * December 17-24 24h engineering run * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/EngineeringRun/ER191217_24/ | wiki]] * We couldn't touch the interferometer during this period * PEM festival * 12/15(Fri) 9:00-15:00 (Done) * Vibration injection to PSL, REFL and AS table * Vibration to IXC and IYC * 12/20(Fri) * No PEM work * 12/24(Tue) * Post engineering run : FFU, cooler, vacuum pump turned off * Conference * JPS (2010/3/16-19 @ Nagoya) * Yokozawa, TTanaka * KIW7 * PEM injection * Shaker injection1 (TTanaka, Yokozawa) * Where is the PZT shaker driver? * Acoustic injection -> Shaker injection * Shaker injection2 (Washimi, Camilla) * Bluetooth shaker + Chromebook * optical table, oplev, ... * acoustic injection (TTanaka, Yokozawa) * PSL, REFL and AS table injection * Analysis is ongoing * magnetic field injection (Niigata Tanaka, Fujikawa, Yokozawa) * Effect of the air cooler magnetic field * AS, REFL table injection * Newtonian noise measurement * Thank you for Virgo PEM member! * Francesca mainly measured the newtonian noise * PEM measurement * Sunday morning : PEM injection * Someday : Effect of the sound to DARM displacement * Someday : Environmental check around BS (including the POP) * Someday : Evaluation of the table cover * Someday : SR2 and SR3 optical lever (Reflection light from SRM?) * Visitors from LV * Camilla (-12/20) ==== Each progress ==== * Yokozawa * Todo list toward joining O3 * Current serious noises * Washimi * Lockloss study * Shaker injection to PSL room (with Camilla) * Kozakai * Trigger analysis with silent run * TTanaka(ICRR) * shaker injection into REFL with FPMI [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11128|pdf]] * Fujikawa * Lock loss study [[attachment:PEMmtg_191217lock.pdf]] * fujimopy [[attachment:PEMmtg_191217fmpy.pdf]] * TTanaka(Niigata) * Magnetic field from air cooler and compressor * Magnetic field injection to AS and REFL table * etc