== Weekly PEM meeting == * 2022/06/24(Fri) 17:00- * Regular meeting * Zoom2 : https://zoom.us/j/6676627462 ==== General announcement ==== *(LVK inner information) O4 will start from March 2023 * Important discussion with ET people * Magnetic field * Meeting of Seismic noise and infrastructure noise (11th July?) * If you want to join the discussion, please let Yokozawa know. * Visiting to Virgo site * By C2C budget * Contact to Virgo people * End of October - * Task list 2022 * Author list committee ask us to make task list 2022 * Deadline Jun.4. * Task list 2021 [[attachment:authorlisttasklist_PEM.pdf|pdf]] * If you have question or comments, please let Yokozawa know. ==== Meeting and Conference issue ==== * ET underground infrastructure and noise meeting * July 11, 11:00am CEST * KAGRA F2F meeting * August 1-3 * Hongo campus * Registration [[https://forms.office.com/r/FTYUC2TGEr|url]] * Wiki page [[https://dac.icrr.u-tokyo.ac.jp/KAGRA/KSC/f2f/2022August|url]] * LVK meeting * 12-15 September * Cardiff Unviersity, UK * JPS meeting * [[https://www.jps.or.jp/activities/meetings/autumn/autumn_index.php|url]] * 2022/9/6-8 Okayama * Washimi : Infrasound * Hoshino : Seismic and ocean * 日本天文学会 * 9/13-15 * 新潟大学 * ET symposium in Budapest, Hungary * GR23 in Beijin, China * GWPAW2022 in Melbourne Australia * GRASS 2022 in Padova, Italy * 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 * No * From Kamioka * No ==== General issue ==== * Overall schedule * 6/20 - 6/24 Leak of End Y * 6/27 - Repair the leak point and start the pumping down * 6/20 - 7/1 Suspension commissioning Type-Bp * 7/4 - 7/8 Interferometer commissioning * 7/11 - 7/22 Suspension commissioning Type-B * 7/25 - 7/29 Acceptance check * 8/1 - Closing the center area * Mid size baffle installation * ISS installation * High power laser installation * Procedure toward X arm commissioning * Radiation shield cooling Xend * IM temperature is ~90 K * Finesse is not changed * Mid-size baffle * First contact -> Suspension health check -> Mid size baffle install * PR2 -> Done * SR2 -> Done * PRM -> Done * BS -> Done * PR3 -> Done * SR3 -> First contact * SRM -> Disassembling -> First contact * Y arm commissioning * EY leak done : Repair the leak next Monday * IY : We will start the duct shield cooling, depending on the pressure level and health check * Schedule * [[attachment:Schedule_220325.pdf|attachment]] * Type-Bp's suspension health check * 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]]) * TAMA300 (June 22) ==== 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://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13405|JGW-P2113405]] * [[https://arxiv.org/abs/2203.07011]] * It has been accepted * ICA for E-run/O3GK (Kume, Kobayashi) * Sibmitted to CPC * Tonga paper (Washimi+) * [[https://ja.overleaf.com/project/62726f72b67cab13741c54b3|Overleaf]], [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=14043|JGW-P2214043]] * CPC circuration has been closed (6/21) * Many comments from Yokoyama-san (mainly English corrections) * 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 ==== * MEDM screen script * Just by preparing the channel list, it can reconstruct easily * Re-rolating the PEMs * IY0 re-location * Combination of MAG + barometer * Combination of SEIS + barometer * Minor change of End PEM channel * Barometers and infrasound placement underground * Magnetic field underground * Discuss with Virgo member next week * Fan, ... * Seismic and infrastructure noise * Magnetmeters for the Schumann resonance * ADU (Washimi) * Discussing with technicians (AEL, FCL) * PEM injection ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=14016|planning form]]) * Low-frequency sound injector[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=16829|klog16829]] * Acoustic injection at X/Y-end * Magnetic injection (I want to start the preparation soon) * 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 * Data quality evaluation * No special report * Suzuki * Water simulation * Hoshino * Seismic motion analysis * Kume * Report of paper progress * Fukunaga * Schumann resonance * Kiyota * Take over Kobayashi-san's work * Nishizawa * Magnetic field analysis * Washimi * Rain fall and Water drain * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=14145|JGW-T2214145]] * PEM works at TAMA300 * Seismic and acoustic measurements [[http://www2.nao.ac.jp/~gw-elog/osl/?r=2993]] * hammering test [[http://www2.nao.ac.jp/~gw-elog/osl/?r=2996]] * Yokozawa * Investigating the MN oplev glitch [[ https://klog.icrr.u-tokyo.ac.jp/osl/?r=21153|klog21153]], [[ https://klog.icrr.u-tokyo.ac.jp/osl/?r=21161|klog21161]] ==== 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]]