• KAGRA
• Subgroups
• DET
• PEMinjection
• bKAGRA-phase1
• meeting_20180123

Detchar Meeting 20180123

Participants

Hayama, K. Nagano, Shimoda, Miyazaki, Pil-Jong, H. Tanaka, Shaun

Agenda & Minutes

See also http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/Meet/Agenda20180123

• Report from Extended Chief meeting on Jan. 22nd (Hayama)
  • Experiment after bKAGRA phase1 run will start around the end of April (on Apr. 30th???).
  • 5th and 6th day will be assigned to PEM injection (If the bKAGRA phase1 run finish on Apr. 29th, they are May 4th and 5th.)
• Recent news

  • In bKAGRA phase 1 run, only ETMY will be cryogenic. ETMX will not be cooled down.

  • Following this, how about changing our plan: Injection will be perform in ETMY although original plan is ETMX.

  • Problems
    • Rack
    • TMSとの調整。
• Progress report from Hongo
  • Calibration of the toy pendulum system (injection target in rehearsal) has beed done.
  • We checked two demo-unit of small accelerometer (FG-142 and 2002E).
    • We will buy FG-142 in next fiscal year.
  • Miyazaki-kun, who is a new grad. student of Ando lab., has started to make analog circuits for magnetometer.
  • Magnet wire for large coil (~100 m) arrived. Large wooden bobbin will arrive in the end of Jan. (or the beginning of Feb.)
  • Connector parts for amplifier (QSC RMX5050a) arrived.
  • We obtained power supply connector used in KAGRA. However, we don't have pins.
    • Maybe we will make it in Kamioka on the first day of the rehearsal. Or will anyone who come to Tokyo (e.g. Ochi-kun's master thesis defense) kindly take the pins?
• Progress report from Kamioka
  • Rack preparation.
    • IMC0:
    • IYC:
    • EY0:
    • EY1:
    • By the way, do we have a conversion board for ADC to D-sub from BNC?
  • Software preparation (Pil-Jong)
    • Python environment has been installed to k1det1 successfully.

    • How to use: http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/gwpy

    • Completed.
  • Anything else?
• Communication tool for the PEM injection: Slack (Miyo)
• github for management of the PEM project (Miyo)
  • Can we perform project management only with pure github like this? (Nagano)
  • Is it necessary to do this under detchar repository? (Nagano)

Action items

• 入っていないメンバーをslackに招待する。
• githubのアカウントを取っていない人は取る。

Next meeting

• 2018/01/30 13:00-- Detchar meeting