Difference between revisions of "RC Meeting, Thursday, August 23"

Revision as of 12:39, 23 August 2018

General
- Beamline vacuum still not great
- BCMs at 3H04 now at 110 deg. thanks to after hours sleuthing by Dave M.
- Beam likely not ready to send to hall until Friday
- LN2 vendor has supply issues - JLab usually gets 2 trucks/day - vendor can only provide 1 truck/day. Alternate supplies under investigation.
- Dave Mack added some attenuation to BCM4a so it won't saturate at ~ 70 uA

SHMS
- After beampipe adjusted, SHMS rotated to 5.69 degrees, but SHMS touched beampipe
- Minimum safe angle will be 6 degrees
- Remote motion control allowed down to 7 degrees - for angles below 7 degrees, all motion will be disabled once set (this includes HMS!). Any rotation after will require access

HMS
- After beampipe adjusted, and some modification to cable conduit, able to rotate to about 10.9 degrees. Minimum angle will be 11 degrees. Remote motion allowed down to 12.75 degrees

@@ Line 1: / Line 1: @@
 * '''General'''
 ** Beamline vacuum still not great
+** BCMs at 3H04 now at 110 deg. thanks to after hours sleuthing by Dave M.
 ** Beam likely not ready to send to hall until Friday
 ** LN2 vendor has supply issues - JLab usually gets 2 trucks/day - vendor can only provide 1 truck/day. Alternate supplies under investigation.
+** Dave Mack added some attenuation to BCM4a so it won't saturate at ~ 70 uA