• KAGRA
• Subgroups
• PEM
• Meeting
• 200320
• Agenda

Weekly PEM meeting

• 2020/03/20(Fri) 14:00-(JST)
• Regular meeting (Japanese)

• Web meeting with Zoom2 (Zoom2)

Agenda

General issue

• Sorry for the meeting at the national holiday.
• Interferometer status
  • Two weeks observation was finished
    • Maximum 594kpc BNS detection range
    • Maximum Lock duration is over 10h
  • 3/10 - commissioning break started
    • Noise projection
    • Hammering test (Sat. and Sun. morning time)
  • Noise budget was (almost) completed

    • klog13600

    • Below 70 Hz : Type-A control noise
    • 70 - 100Hz : Unknown
    • 100 - 200 : Actuator DAC noise(?)
    • 200 - 400 : Acoustic noise around IMM area (?)
    • Above 400 Hz : Shot noise, Laser noise(Intensity, frequency)
• PEM tasks in March

  • task list

  • PRM booth MICを常設にしませんか？ (IOO1 BNC ch11かch12で)

Each progress

• Discussion about the list of the general issue (Yokozawa)
• Acoustic injection and hammering test result (Washimi)

  • Data and Results list : KAGRA/Subgroups/PEM/PEMinjection/O3

  • KAGRA Noise INJection Analizer; NINJA : JGW-T2011564

• Plan of the lock loss study (Fujikawa)