Minutes of Hall A Group Meeting November 9, 2010
1)	Run Report: Aiden Kelleher (DVCS)
a)	For the full report see: 
http://www.jlab.org/~kelleher/RC/RC_09nov10.pdf
b)	Reviews conditions at the start of the week
c)	Gives day by day events of the week
i)	Mostly production on LH2 or LD2 
ii)	Target warm-up/cool down because of Hall C 
target cool down
(1)	Vacuum incident. Sudden rise in pressure 
causes valves to shut on the beamline. Most 
likely the result of thawing frozen gas
iii)	BCM calibration. 
(1)	November 4, reset GFCI and put Unser on 
temperature control
(2)	Cavities were 30% off
(3)	Unser temperature is now part of the 
shift checklist
iv)	Half wave plate problem of last week was 
solved. The half wave plate was rotated 45 
degrees
d)	Status/plans:
i)	Continue production on H2 and D2
ii)	Pass change sometime early next week
iii)	Will reset Wien to maximize Hall C 
polarization when they request it.
e)	Beamtime summary:
i)	ABU: 117.8 hours
ii)	BANU: 24.07 hours
iii)	BNA: 18.2 hours
-JJL