== Weekly PEM meeting == * 2022/11/18(Fri) 17:00- * Regular meeting * Zoom2 : https://zoom.us/j/6676627462 ==== General announcement ==== * KAGRA visiting plan * Welcome to visit KAGRA site * Please contact to Ohashi-san * Important discussion with ET people * Magnetic field from infrastructure * If you want to join the discussion, please let Yokozawa know. * Visiting to Virgo site * By C2C budget * Contact to Virgo people * Next year? * Washimi will visit Virgo in mid. Nov (NAOJ budget) ==== Meeting and Conference issue ==== * 第3回新学術「地下宇宙」若手研究会@つくば国際会議場 * 2022年11月23日(水)~24日(木) * [[https://www.lowbg.org/ugap/ws/yr2022/index.html]] * 第8回極低放射能技術研究@つくば国際会議場 * 2022年11月24日(木)~26日(土) * [[https://www.lowbg.org/ugap/ws/lb2022/index.html]] * ET annual meeting @ EGO * Nov.15-17 * The 30th KAGRA Face-to-Face meeting in hybrid style * Nov 30-Dec 1, 2022 JST * [[https://dac.icrr.u-tokyo.ac.jp/KAGRA/KSC/f2f/2022December|url]] * [[https://forms.office.com/pages/responsepage.aspx?id=3sqHADRb2kSC3zViN2lm-Qxdx-mGai5CtvjART1bt8BURUxBRDEwUkNORVU5RTg5QjZJQVpRUzRRNy4u|registration page]] (Nov. 11th) * Please have a presentation for master thesis * 第7回 宇宙素粒子若手の会 秋の研究会 [[https://www.icrr.u-tokyo.ac.jp/YMAP/event/conf2022/index.html]] * 12/9, 10 @ 神岡 * Registration : 〜11/20 * JPS meeting (Online) * Registration : 11/15〜12/1 * GR23 in Beijin, China * GWPAW2022 in Melbourne Australia (5-9 December) * Other meetings [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/DAWG/conferences|url]] If you have some presentation about PEM related, please contact to me. ==== Business travel ==== * Depending on the situation of COVID-19 * To Kamioka * 11/13-11/23 Kiyota * From Kamioka * Washimi go to Itary * 11/8 : Gran Sasso (GSSI, LNGS) * 11/10~19 : Virgo ==== General issue ==== * Overall schedule * OMC : All task before closing the chamber is completed * Review for beacom and pumping down * TMSY : In vac, leak test done, opened the gate valve after 22nd Nov. * Interferometer overall * Initial alignment experiment * 16:00- everyday * Suspension * Implemented the IP filter * PRMI lock trial * Search the good alignment * ADS engaged and alignment of the IMMT1,2 and PRM * FPMI lock succeeded * DARM(AS17), CARM(REFL45), MICH(REFL51->POP17) * Latest sensitivity [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=22097|klog22097]] * Calibration evaluation * Control filter optimization * Interferometer characterization * X arm commissioning * End X IM 85K * We will start the noise budget of the new oplev again * OMC ASC using the Xend test mass * Signal was detected in OMC PD * Y arm commissioning * IY duct shield cooling * New high power laser * PMC locked * ISS * Control loop done * Characterization is ongoing * ASC preparation * Sensing matrix measurements * Offset evaluation * OMC * First contact applied * Magnet recovery * Alignment * OMC locked * Schedule * [[attachment:Schedule_220325.pdf|attachment]] * PEM schedule * Re-installation of PEMs toward O4 * 出張PEM injection ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=14016|planning form]]) * ==== Jurnal paper issue ==== [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/PEM/Reports/JurnalPaperIssue|Details are here!]] * ICA for E-run/O3GK (Kume, Kobayashi) * [[https://arxiv.org/abs/2206.05785]] * Micro seismic analysis (Hoshino) * writing * [[https://ja.overleaf.com/project/627270d6b67cab411d1c7d32|Overleaf]] * Acoustic reverberation time paper (Washimi+) * Suspend * Re-measurement before O4? ==== Preparation for O4 ==== * Weather station * Weather in KAGRA entrance * New weather station * Calibration * Investigation of the PEM injection is just started * New DAC preparation * Acoustic injection at PSL/IMMCS/X/Y-end * Magnetic injection (After Washimi-san visiting to Virgo) * Portable PEM injectors * Voltmeter preparation * We made the PEM channel * K1:PEM-VOLT_{PSL,IMCREFL,REFL,ISS,AS}_TABLE_{GND,FLOAT,DIFF} * K1:PEM-VOLT_OMC_CHAMBER_{GND,FLOAT,DIFF} * Need the AC power monitor? * Schumann resonance outside * Measured from end of Aug. * Position slightly changed * X(to be the angle between X and Y to 90 deg) * Z(-10 cm) * Prepared the AC power supply and LAN cable * Start the measurement of the electric field * After O4 * RF monitor with mokugo * Tiltmeter * RI detector * Newtonian noise * Discussion with DET members * Daily summary page PEM ==== Progress report ==== * Yuzurihara * Pastavi * Data Quality Report [[https://dcc.ligo.org/G2201168|slide]] * Data quality evaluation * Suzuki * Water simulation * Hoshino * Seismic motion analysis * Miyamoto * Weather analysis * Kume * Report of paper progress * Fukunaga * Schumann resonance * Kiyota * Power line noise investigation * Nishizawa * Water newtonian noise * Magnetic field analysis * Washimi * Virgo visiting * Yokozawa * ==== Place for memo ==== * [[https://www.gw-openscience.org/O3/o3aspeclines/|Line noise list in O3a public data]] * [[https://pubplan.ligo.org/CW/KAGRA_VectorDM.html|Summary page for KAGRA O3 vector dark matter]]