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2014/02/23

0025 Commence data acquisition with Ba-133 source. Initial flash for 4 hours followed by 2-hour cooldown. Two data series per bias. Acquisition/flash/cooldown = 5/0.1/20 minutes with bias settings listed below:
Q [V] 0 0 -10 10 0 0 -5 5
P [V] -10 10 0 0 -5 5 0 0
1700 Fill N2 cold trap full.