== Weekly PEM meeting == * 2022/12/23(Fri) 17:00- * Regular meeting * Zoom2 : https://zoom.us/j/6676627462 ==== General announcement ==== * Task list generation 2023 * Posted * KAGRA visiting plan * Now, the budget of KAGRA is limiting, but if you want to visit Kamioka, please contact to Yokozawa ==== Meeting and Conference issue ==== * JPS meeting (Online) * Registration : Finished * Washimi(Schumann resonance) * Fulunaga(Schumann resonance) * Miyamoto(Weather) * GR23 in Beijin, China * GWPAW2022 in Melbourne Australia (5-9 December) * 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 * Hoshino, Sato(1/15-18) * From Kamioka * ==== General issue ==== * FPMI lock * Lock enable * Silent run sometimes performed * 2022/12/28 evening - 2023/01/14 morning * Overnight * Silent run sometimes performed * 2022/12/28 evening - 2023/01/14 morning * Overnight * Trial for DC readout with ISS control * ALS CARM/DARM tuning * PRFPMI lock trial * PRMI lock stable * Establish the initial alignment * Bottle neck is the noise level of ALS * It made difficult to hand over from GR to IR * Implementation of the PNC(Phase Noise Cancellation) to reduce the 0.4Hz resonant peak * In vac optical table and put the steering mirror on it * Reducing the air disturbance * ASC implementation * Evaluate offset map * Trial of the implementation of the ASC loop * Repair the leak at OMC area * End of January? * High power laser : PLL with new laser * During the repairing work? * 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!]] * ICA for E-run/O3GK (Kume, Kobayashi) * [[https://arxiv.org/abs/2206.05785]] * Micro seismic analysis (Hoshino) * writing * [[https://ja.overleaf.com/project/627270d6b67cab411d1c7d32|Overleaf]] * Acoustic reverberation time paper (Washimi+) * Suspend * Re-measurement before O4? * Tonga GIF paper * Playground application ==== Preparation for O4 ==== * Weather station * 2nd weather station installed * Rain and snow * Investigation of the PEM injection is just started * Preparing the function generator * Acoustic injection preparation * Magnetic injection * Portable PEM injectors * Voltmeter preparation * We made the PEM channel * K1:PEM-VOLT_{PSL,IMCREFL,REFL,ISS,AS}_TABLE_{GND,FLOAT,DIFF} * K1:PEM-VOLT_OMC_CHAMBER_{GND,FLOAT,DIFF} * AC power monitoring * Bought transreducer * Schumann resonance outside * Measured from end of Aug. (Now finished) * 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 * Suzuki * Water simulation * Hoshino * Seismic motion analysis * Miyamoto * Weather analysis * Kume * Report of paper progress * Fukunaga * Schumann resonance * Kiyota * Power line noise investigation * Nishizawa * Water newtonian noise * Magnetic field analysis * Washimi * Virgo mag * SEM update * Yokozawa * New PEM preparation ==== 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]]