Difference between revisions of "RC Meeting, Thursday, August 23"
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** Target warmed up due to LN2 issue | ** Target warmed up due to LN2 issue | ||
** Target cooldown?? | ** Target cooldown?? | ||
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* '''SHMS''' | * '''SHMS''' | ||
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** Minimum safe angle will be 6 degrees | ** 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 | ** 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''' | * '''HMS''' |
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
- Target
- Target warmed up due to LN2 issue
- Target cooldown??
- 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
- Minimum separation between SHMS and HMS 21.5 degrees
- DAQ