== Weekly PEM meeting == * 2025/02/14(Fri) 17:00- * Regular meeting * Zoom2 : https://zoom.us/j/6676627462 ==== General announcement ==== * Author list 2025 * Start the effort for the Authorship * Virgo ENV member visiting * KAGRA 2/21 - 3/13 * Workshop Hongo 3/14,3/15 * TOBA and Gravity Gradient Noise * Kashiwa 3/17-3/19 * Measurement of the coldbox in Kashiwa campus ==== Meeting and Conference issue ==== * TOBA and Gravity Gradient Workshop * Ready for circulation * 3/14 p.m. - 3/15 a.m. * JPS meeting * Online * Ohashi * Estimation of the microseismic motion at the KAGRA site using neural networks (II) * Sato * 重力波望遠鏡KAGRAにおける音響雑音 * 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 ==== * To Kamioka * Virgo member (2/21 - 3/13) * Sato Niigata.U (2/12 - 21) * Ohashi (2/16 - 3/1) * From Kamioka * Yokozawa (Tokyo 2/25,26) * Yokozawa (Kanto 3/14-20) ==== General issue ==== * Commissioning * PRFPMI * Stable operation PRFPMI RF lock 10 W * Stable operation PRFPMI OMC DC readout 1.3 W * Change the DCPD circuit for OMC protection * Plan * IFI chamber commissioning * OMC chamber commissioning * PRFPMI OMC DC readout 10 W * Noise budget and hunting * Schedule * OMC DCPD replacement, shroud installation (2/25 - 3/5) * Noise budget and noise hunting * IFI open (?) (3/17 - ) * 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!]] * O4 PEM paper * Start to investigate the topics * Schumann Resonance paper * Todo list work * 1 Hz seismic motion paper * Start the investigation ==== Preparation for O4b ==== * Coil preparation for magnetic injection * Voltmeter preparation * AC power monitor installation * DC power monitor installation ==== Progress report ==== * Sato * Acoustic injection analysis * Ohashi * Microseismic noise with machine learning * Kume, Ueno * Noise subtraction * Nishizawa * Water newtonian noise * Magnetic field analysis * Washimi * Preparation for the PEM injection * Yokozawa * Noise hunting ==== 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]]