• KAGRA
• Subgroups
• PEM
• Meeting
• 200522
• Agenda

Weekly PEM meeting

• 2020/05/22(Fri) 16:00- canceled

• Regular meeting

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

Agenda

General issue

• Interferometer status
  • Now interferometer is "suspend mode"
    • Measurements without interferometer
    • Keep the IMC lock
    • Check the green laser flash
  • Earthquakes at Hida area is serious
    • Large frequency
    • Close from KAGRA. Damage to alignment
• JPS meeting

  • Online meeting web

  • deadline 6/4
• Tasks for post-commissioning

  • post commissioning

    • Scattered light (One of the hammering test)
    • OMC chamber vibration RMS
    • PEM injection
    • Line noise investigation by PEM
• PEM papers (Writer)
  • KAGRA summary paper(Yokozawa)
    • Part of the KAGRA overview paper

    • PTEP (Overview of KAGRA : (3) Detector characterization, calibration, physical environment, and data quality)klog11664

      • Installation
      • Technical issue
  • Acoustic injection paper (Washimi)
    • Target journal
    • Request 3+8 hours data taking to commissioning
  • Portable PEMs (Yokozawa)

    • Target journal->to be discussed later

    • Chromebook+USB PEMs, aco power supply+BNC PEMs+KAGRA DAQ
  • Ground motion paper (Yokozawa)
    • Technical note
    • Just for memo(忘備録)
    • If we can summary for special issue, we will start the discussion for journal paper
      • Lock loss study by earthquake
      • Micro-seismic motion
      • Seasonal ground motion
      • Newtonian noise
      • Baseline compensation
      • Human activity and its effect
      • etc.
  • PEM summary note (Yokozawa+)
    • Just for memo, technical note
    • What we did toward the observation
    • If we can summary for special issue, we will start the discussion for journal paper
      • Sound everberation time study(Washimi+)
      • PEM map
      • Lock loss study
      • Scattered light
      • etc.
  • Other topic
    • If you have interested in, please contact to Yokozawa and Washimi first
    • We took many environmental data
      • Magnetic field by five magnetometer(Washimi+)
      • Six Seismometer(Miyo+)
      • Many microphones and accelerometers(Yokozawa+)
      • Weather vs environment
      • Lightening(Washimi+)
      • Temperature vs suspension
      • Non linearity noise study
      • Line noise investigation(Yokozawa+)
      • ICA analysis (Kume, Yokoyama)

Place for memo