Detchar Meeting 20180123

Participants

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

Agenda & Minutes

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