== Weekly PEM meeting == * 2022/07/07(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 * 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 - ==== 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 * Fukunaga (7/3-7/9) * From Kamioka * F2F related ==== General issue ==== * Overall schedule * 7/4 - 7/8 Interferometer commissioning * 7/11 - 7/22 Suspension commissioning Type-Bp and Type-B * 7/25 - 7/29 Acceptance check ~PR2 * 8/1 - 8/5 Closing the center area ~PR2 * 8/8 - 8/19 (Including Obon) Acceptance check ~SRM * 8/22 - 8/26 Closing the center area ~SRM * 8/29 - 9/2 Leak test * Mid size baffle installation partially done (SR3, SRM) * SRM replacement (Done) * ISS installation (Review 7/19) * High power laser installation (Brought to KAGRA site) * Procedure toward X arm commissioning * Radiation shield cooling Xend * IM temperature is ~80 K * Finesse is not changed * Y arm commissioning * EY : Pumping down ongoing * Still there are leak 3e-10 Pa level, additional repairing ongoing * IY : We will start the duct shield cooling, depending on the pressure level and health check * OMC power budget * After the interferometer alignment and SRM replacement, power budget ongoing * The power loss around OMC is one of the important investigation point at O3GK * Beam profile measurement will be planned next week * TMSX investigation for ASC * Position of QPD for alignment sensing and control * Beam shape investigation * Fiber noise cancellation * Many investigations are ongoing, it became much better * Schedule * [[attachment:Schedule_220325.pdf|attachment]] * Type-Bp's suspension health check * Oplev upgrade * Cable check * TF measurement * 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!]] * ICA for E-run/O3GK (Kume, Kobayashi) * [[https://arxiv.org/abs/2206.05785]] * Tonga paper (Washimi+) * [[https://arxiv.org/abs/2206.14396]] * English correction : finished * Submitted to arXiv(v2) and PTEP * 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 ==== * PEM installation * To optical table * Barometers and infrasound placement underground * Magnetic field underground * Magnetic field from Infrastructure * Fan, ... * Seismic and infrastructure noise * Call for analysis person * After infrasound microphone installation * Magnetmeters for the Schumann resonance * Fukunaga-san's report * ADU (Washimi) * Discussing with technicians (AEL, FCL) * Lightening * There were many lightening around KAGRA area * Weather station * Weather in KAGRA entrance * New weather station * Calibration * 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 * Suzuki * Water simulation * Hoshino * Seismic motion analysis * Kume * Report of paper progress * Fukunaga * Schumann resonance * Kiyota * Take over Kobayashi-san's work * Nishizawa * Water newtonian noise * Magnetic field analysis * Washimi * Small hut for infrasound measurement at analysis building [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=21296|klog21296]] * PEM measurement in CLIO site [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=21399|klog21399]] * Yokozawa * Investigating the MN oplev glitch ==== 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]]