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2013/02/05

0950 Filled LN2 cold trap.
Fed Cricket 4 pellets.
1145 Begin LHe transfer (6.4%)
1240 End LHe transfer (90.4%).
1807 Begin taking data. First flash detector for 6 seconds with both LEDs on Dibs 1/2. Cool down for 30 min. Then take data with Dib 1/2 biased at +/- 3 V, 2.5 V, 2 V, 1.5 V, 1 V, and 0.5 V. At each bias there is a 30 min series, followed by 6 seconds of flashing and 20 minutes of cool down. End with 60 min of flashing, 60 min of cool down. Trigger on Qi/Qo on Dib 2 only at 40/40 ADC bins, respectively.
Filled LN2 cold trap.
All Qsum figures below have threshold, qpart, chi2, and timing cuts.
Bias Series Board Configuration Trigger Data Run Time Length
-/+ 3V 07130205_0024 Dib1=DCRC 33, Dib2= DCRC32 Qi/Qo on Dib1 30 min
Fig 1: First 15 Minutes Charge vs. Time
Bias Series Board Configuration Trigger Data Run Time Length
-/+ 2V 07130205_0115 Dib1=DCRC 33, Dib2= DCRC32 Qi/Qo on Dib1 30 min
Fig 2: First 15 Minutes Charge vs. Time
1811 Fed Cricket 5 pellets.