Weekly PEM meeting

• 2022/12/23(Fri) 17:00-
• Regular meeting

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

General announcement

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• 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

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• 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

End of edit conflict

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 url

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

Business travel

• Depending on the situation of COVID-19
• To Kamioka

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• Hoshino, Sato(1/15-18)

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• Hoshino, Sato(1/15-18)

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• From Kamioka

General issue

• FPMI lock
  • Lock enable
  • Silent run sometimes performed
    • 2022/12/28 evening - 2023/01/14 morning
    • Overnight

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• Silent run sometimes performed
  • 2022/12/28 evening - 2023/01/14 morning
  • Overnight

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• 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

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• 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

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• 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

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• ASC implementation
  • Evaluate offset map
  • Trial of the implementation of the ASC loop

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• Repair the leak at OMC area
  • End of January?
  • High power laser : PLL with new laser
    • During the repairing work?

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• Repair the leak at OMC area
  • End of January?
  • High power laser : PLL with new laser
    • During the repairing work?

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• 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?
• Tonga GIF paper

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• Playground application

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• Playground application

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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

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• 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 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

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• Washimi
  • Virgo mag

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• Washimi
  • Virgo mag

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• Yokozawa
  • New PEM preparation

Place for memo

• Line noise list in O3a public data

• Summary page for KAGRA O3 vector dark matter