ATF2 weekly meeting

Wednesday 12 Aug 2009, 14:30 → 16:30 Asia/Tokyo

Minutes ( draft, 8/15 ) d090812.html

14:30 → 15:30 International phone/webex meeting

14:30 Installation status of the HLS system

Speaker: Dr Mika Masuzawa (KEK)

Slides HLS1stlook.pdf HLS1stlook.pptx

14:50 Schedule plan of machine studies in October to December

Speakers: Philip Bambade (Laboratoire de l''Accelerateur Lineaire (LAL) (IN2P3) (LAL)), Dr Toshiyuki Okugi (KEK)

Slides 2009-Schedule-Discussion.pdf 2009-Schedule-Discussion.ppt

15:30 → 16:30 KEK site meeting (Japanese)

15:30 Progress of Shintake monitor work

Speakers: Mr Masahiro OROKU (Tokyo Univ.), Mr Takashi Yamanaka (The University of Tokyo)

Slides Progress_of_Shintake_Monitor_Work_090812.pdf Progress_of_Shintake_Monitor_Work_090812.ppt

Participants: Terunuma, Tauchi, Okugi, Yamanaka, Oroku, Kamiya(WebEx) Time: 17:00 ~ 18:00 Site: KEK ATF LC Container Q: Is it possible to move a new Cherenkov detector remotely? A: Yes, it is not impossible. However, since it is heavy, it may be difficult with devices in hand. Furthermore it is uncertain whether continue to use a Chenkov detector. Q: How long is the stroke of the collimator scanning stage? A: 100 mm in horizontal and 50 mm in vertical. They are enough. C: Cause of the laser position drift may be air temperature rather than laser cooling water. When air temperature changes, the support of the mirrors deforms and laser path changes. C: Stabilization of the laser path will be needed to suppress the position drift.