== Weekly PEM meeting == * 2023/06/23(Fri) 17:00- * Regular meeting * Zoom2 : https://zoom.us/j/6676627462 ==== General announcement ==== * O4a run finished successfully * 4 weeks run has been finished on 21st June 8:00(JST) * CAL/DET week now * KAGRA visiting plan * If you want to visit Kamioka, please contact to Yokozawa ==== Meeting and Conference issue ==== * ICRC 2023 [[https://amarys-jtb.jp/2023icrc/|url ]] 7/26 - 8/3 * Nagoya * Yokozawa will present about KAGRA PEM (oral) * Washimi will present about Schumann resonance and SGWB (oral) * LVK meeting at Toyama * 11-14 September 2023 * KAGRA F2F meeting on Sep. 15 * JPS meeting (Tohoku U) * 16-19 September 2023 * Presentation about PEM * Yokozawa (Status) * Washimi (Noise hunting) * Hoshino (Seismic forecast) * 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 * Hoshino(planned) * From Kamioka * No ==== General issue ==== * Status * Sensitivity 1.1~1.4 Mpc [[https://dac.icrr.u-tokyo.ac.jp/KAGRA/DAWG/Detchar/klog/klog25188|latest]] * Summary [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/misc/html/|url]] * CAL/DET week * Calibration measurement done : No significant change from previous measurement * Some additional measurement toward O4b Saturday * Noise budget measurement * Interferometer (MICH, PRCL, ISS, CARM, ...) * Suspensions * PEMs * etc. * IPC glitch * The rate didn't change * Need to investigate the reason * Lock loss investigation * Ongoing * Schedule after O4a * CAL/DET week (1 week) * Calibration measurement * Remaining measurement for O4a * Switch to high power laser (1-2 week) * Check the sensitivity * Turned off and on the cryocooler (1 week) * Same timing with switch high power laser * IX, IY, EY. Not perform EX * Open the OMC chamber (1 week) * Set the geophone inside the chamber and evaluate the vibration * Treatment the ghost beam * Commissioning toward 10 Mpc * 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 CQG * [[https://ja.overleaf.com/project/627270d6b67cab411d1c7d32|Overleaf]] * [[http://arxiv.org/abs/2306.12437]] * Acoustic reverberation time paper (Washimi+, Sato?) * Suspend * Re-measurement before O4? * Tonga GIF paper * Published * 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 * Ongoing * Acoustic injection post O4a * OMC * Portable PEM reinstallation [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25673|klog25673]] * PSL room * Next week? * TMSX/TMSY * Prepared today * SR3 * If we have a time * other area? * Any idea? * 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 analysid * 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 * Schumann resonance study [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=15046|JGW-G2315046]] * Yokozawa * Lock loss study O4a * Preparing for the acoustic injection in both end ==== 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]]