Minute of KAGRA ERun1 summary meeting

• Date: 2019/6/11 15:00~16:00
• Attendance: Miyakawa, Stefan, Aso, Nakano, Enomoto, Kozakai, Miyo, Yokozawa, Darkhan, Sugimoto, Yamada, Ushiba, Tomura
• Zoom: Miyoki, Eleonora, Takahashi, Ryujin Kwak, Sawada, Oshino, Yamamoto, Hiro, Fujii, Uchiyama, Suzuki

Over all summary

• X arm lock
• Stable
• PR3 troubles for the first 30 min, probably due to temperature.
• PMC drift due to the temperature change

  • temperature

• First Sensitivity monitor

Parallel works during Run

• ETMY installation work
• DAQ trouble

Data

• Segment

• Lock flag, Science mode, effective data
• Duty cycle
• Data rate
• Yokozawa will collect necessary data.

Action Items

• Long term temperature investigation
• Calibration for Mass lock
• Limited by ADC noise. Needs whitening filters.
• Noise hunting for frequency noise
• Needs MICH calibration.
• Gardian for DAQ
• Real time camera
• COM team should take a rest during Run.
• Needs shift ASAP

Next Run

• With LIGO commissioners.
• Saturday or Friday?
• 7/12 or 13.
  • ITMY trouble?

Others