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2013/02/07

1010 Filled LN2 cold trap.
1019 Begin taking data. First flash for 1 minute, cool down for 30 min. Dib 1/2 biased at +/- 10 V and 12 V. At each bias there is a 30 min series, followed by 6 seconds of flashing and 20 minutes of cool down. End with 30 min of flashing, 30 min of cool down. Trigger on Qi/Qo on Dib 2 only at 40 ADC bins, respectively. W/ Ba-133 source
1035 Fed Cricket 4 pellets.
1400 Begin LHe transfer (25.7%)
1500 End LHe transfer (91.6%).
1710 Filled LN2 cold trap.
1817 Fed Cricket 5 pellets.
1827 Begin taking data. First flash for 6 sec, cool down for 20 min. Dib 1/2 biased at +/- 6V, 4V, and 2V. At each bias there is a 30 min series, followed by 6 seconds of flashing and 20 minutes of cool down. End with 30 min of flashing, 30 min of cool down. Trigger on Qi/Qo on Dib 2 only at 40 ADC bins, respectively. W/ Y-88 source
2335 Fill N2 cold trap full.
+/- 6V Data with Y-88 Source (07130207_1827)