== Weekly PEM meeting == * 2023/10/06(Fri) 17:00- * Regular meeting * Zoom2 : https://zoom.us/j/6676627462 ==== General announcement ==== * KAGRA visiting plan * If you want to visit Kamioka, please contact Yokozawa ==== Meeting and Conference issue ==== * ET SCB/SPB/ANM workshop @ Nikhef, December 6-7 * Washimi will attend in person * satellite meeting before/after the workshop? * Gravitational Wave Probes of Physics Beyond Standard Model * Osaka Metropolitan University * 6-9 November 2023 [[https://indico.nitep.osaka-cu.ac.jp/event/130/|url]] * Registration deadline 9th Oct. * 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 (10/4 - 11/3) * From Kamioka * Washimi (10/27-28 Mitaka) * Washimi (10/30 Kanazawa) * Washimi (11/2-4 Kashiwa) * Washimi (11/4-5 Waseda) * Washimi (11/6-9? OMU) * Washimi (12/4-8? Amsteldam) ==== General issue ==== * Cooling down * EX : Warming up for maintain the cooler -> Done * GV opened and started cooling down * IX, IY, EY ongoing : about 85-87 K in IM (2023/09/22) * Temperature change [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/trendMon/finesse.html|url]] * After starting the cooling down after measuring the Q-value of sapphire fiber * New high power laser * Broken, replaced the old FBL * Interferometer operation * PRFPMI lock trial : Ongoing * Alignment sensing and control * OLTF measurements * Preparation towards opening the OMC chamber * New IP control * Ongoing * 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]] * ICRC Proceedings * Acoustic reverberation time paper (Washimi+, Sato?) * Suspend * Re-measurement before O4? * TCam paper * Writing ongoing ==== Preparation for O4b ==== * Check the seismic motion around mozumi area * Daytime ground motion * It may appeared in DARM sensitivity (SR3?) * Schumann resonance measurement * Restart (plan today) * Evaluation of newtonian noise * Investigation of the PEM injection * Magnetic injection * After O4a? * Voltmeter preparation * AC power monitor installation * DC power monitor installation * 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 * Hoshino * Seismic motion analysis *Sato * Sound source analysis * Miyamoto * Weather analysis * Takatani * Applying the deepclean * Calculation of Schumann resonance * 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 * Magnetometer * Yokozawa * Lock loss due to earthquake ==== 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]]