Weekly PEM meeting

• 2022/12/09(Fri) 17:00-
• Regular meeting

• Zoom2 : https://zoom.us/j/6676627462

General announcement

• KAGRA visiting plan
  • Welcome to visit KAGRA site
  • Please contact to Ohashi-san
• Important discussion with ET people
  • Magnetic field from infrastructure
  • If you want to join the discussion, please let Yokozawa know.
• Visiting to Virgo site
  • By C2C budget
  • Contact to Virgo people
    • Next year?

Meeting and Conference issue

• 第3回新学術「地下宇宙」若手研究会@つくば国際会議場
  • 2022年11月23日(水)～24日(木)

  • https://www.lowbg.org/ugap/ws/yr2022/index.html

  • 鷲見 JGW-G2214530

• 第8回極低放射能技術研究@つくば国際会議場
  • 2022年11月24日(木)～26日(土)

  • https://www.lowbg.org/ugap/ws/lb2022/index.html

  • 鷲見 JGW-G2214535

• The 30th KAGRA Face-to-Face meeting in hybrid style
  • Nov 30-Dec 1, 2022 JST

  • url

  • registration page (Nov. 11th)

  • Please have a presentation for master thesis

• 第7回 宇宙素粒子若手の会 秋の研究会 https://www.icrr.u-tokyo.ac.jp/YMAP/event/conf2022/index.html

  • 12/9, 10 @ 神岡
  • Registration : 〜11/20
• 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 url

If you have some presentation about PEM related, please contact to me.

Business travel

• Depending on the situation of COVID-19
• To Kamioka
  • Miyamoto(12/12-24)
• From Kamioka

General issue

• Overall schedule
  • OMC : LSC and ASL locked
    • DC readout done
• EYC cooling down
  • Opened the gate valve between EYC and TMSY
  • Started the duct shield cooling down
• Interferometer overall
  • PRMI lock succeeded
  • PRFPMI Lock trial
• FPMI lock succeeded

  • DARM(AS17), CARM(REFL45), MICH(REFL51->POP17)

  • Latest sensitivity klog22097

  • Calibration evaluation
  • Control filter optimization
  • Interferometer characterization
  • X arm commissioning
    • End X IM 86K
  • Y arm commissioning
    • IY, EY duct shield cooling
  • New high power laser
    • PMC locked
    • IMC locked
  • ISS
    • Control loop done
    • Characterization is ongoing
  • ASC preparation
    • Sensing matrix measurements
    • Offset evaluation
• Schedule

  • attachment

• PEM schedule
  • Re-installation of PEMs toward O4

• 出張PEM injection (planning form)

Jurnal paper issue

Details are here!

• ICA for E-run/O3GK (Kume, Kobayashi)

  • https://arxiv.org/abs/2206.05785

• Micro seismic analysis (Hoshino)
  • writing

  • Overleaf

• Acoustic reverberation time paper (Washimi+)
  • Suspend
  • Re-measurement before O4?

Preparation for O4

• Weather station
  • Weather in KAGRA entrance
  • New weather station
  • Calibration
• Investigation of the PEM injection is just started
  • New DAC preparation
  • Acoustic injection at PSL/IMMCS/X/Y-end
  • Magnetic injection (After Washimi-san visiting to Virgo)
  • 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}
  • Need the AC power monitor?
• Schumann resonance outside
  • Measured from end of Aug.
  • Position slightly changed
    • X(to be the angle between X and Y to 90 deg)
    • Z(-10 cm)
  • Prepared the AC power supply and LAN cable
  • Start the measurement of the electric field
• 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 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
  • Report the Virgo/ET visiting
• Yokozawa
  • Discussion in F2F meeting

Place for memo

• Line noise list in O3a public data

• Summary page for KAGRA O3 vector dark matter