== Weekly PEM meeting == * 2024/03/08(Fri) 17:00- * Regular meeting * Zoom2 : https://zoom.us/j/6676627462 ==== General announcement ==== * Authorlist 2024 * If you have an opinion, please let us know. * O4b * Break : mid-January - mid-March, 2024 * Virgo : will join in March * KAGRA : Three month during O4b(?) * O4a noise budget paper * If you have a plan to write the paper using O4a data and PEM, please let me know. ==== Meeting and Conference issue ==== * UGAP2024 @ Tohoku U 2024/3/4~6 * https://www.lowbg.org/ugap/ws/am2023/index.html?LangP=JP * international conference of underground experiments * Washimi will have a presentation of lightnings and thunders * 第4回新学術「地下宇宙」若手研究会 @ Tohoku U 2024/3/7~8 * https://www.lowbg.org/ugap/ws/yr2023/index.html * LVK meeting * Louisiana (2024/03/11-14?) * Yokozawa have a talk about NN noise * [[https://dcc.ligo.org/cgi-bin/private/DocDB/DisplayMeeting?sessionid=5440|url]] * 22:00 UTC Monday 11th * Water fluid * Infrasound * Atomospheric NN at TOBA * Snow monitor * Past gravity field measurement * JPS (online) 2024/3/18-21 * [[https://www.jps.or.jp/activities/meetings/spring/spring_index.php]] * Hoshino (Earthquake) * Miyamoto (weather) * Sato (Sound) * Takatani (Noise subtraction) * KIW11 * Taiwan (2024/04/16-17) * Yokozawa and Washimi will join (Contents is not decided) * 4/19 afternoon with deepclean member * GWADW * Australia (2024/05/12-18) * GWPAW * Israel (2024/05/27-31) * 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 (except for conferences) ==== * To Kamioka * Miyamoto (2/26-3/2) * From Kamioka * Washimi (3/3-9 Sendai) * Yokozawa (3/27-29 Kashiwa) ==== General issue ==== * Interferometer recovery * IMC * Cavity check : OK * Alignment : Checked * Remaining work * Jig replacement (Aso) * shield re-instllation * Closing chamber * Type-Bp * Suspension refurbishment : Mostly done * Coil response PR2 : ongoing * Type-A * IX * We found the viewports for MN oplev have some frosting and something * EX * Height adjustment : Done * NAB, TMSX : OK * PCal alignment : ongoing * EY * NAB, TCam, TMSY : not yet * IY * Open the chamber today * Green alignment recovery * GRY not find : need to check SR3 and POS table * Strategy for noise hunting * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=26848|klog26848]] * 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!]] * Micro seismic analysis (Hoshino) * Submited to Physica Scripta * [[https://ja.overleaf.com/project/627270d6b67cab411d1c7d32|Overleaf]] * [[http://arxiv.org/abs/2306.12437]] * Acoustic reverberation time paper (Washimi+, Sato?) * Suspend * Re-measurement before O4? * TCam paper * Writing ongoing ==== Preparation for O4b ==== * Snow monitor * Ongoing * First snow detected * PEM installation * Waiting the timing of TMSX and TMSY * Evaluation of newtonian noise * Anoop and Washimi * Investigation of the PEM injection * Magnetic injection * Voltmeter preparation * AC power monitor installation * DC power monitor installation ==== Progress report ==== * Yuzurihara * Pastavi * Data Quality Report [[https://dcc.ligo.org/G2201168|slide]] * Data quality evaluation * Hoshino * Seismic motion analysis *Sato * Sound source analysis * Miyamoto * Weather analysis * Takatani * Noise subtraction with machine learning * Kume * PR3 line injection [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25670|klog25670]] * Noise subtraction * Nishizawa * Water newtonian noise * Magnetic field analysis * Washimi * * Yokozawa * TCam ==== 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]]