2012/07/23

1010	Fed Cricket 3 pellets
1030	Filled LN2 cold trap.
1400	Stopped flashing detector.
1512	Disconnected boards, swapped places. DCRC 32 is not powering through the switch board. Trying to figure out why.
1648	Fed Cricket 4 pellets
1747	Channel C via Board 32 in Dib 2 sees pulses in range from -560 uA to -630 uA, and from about 555 uA to 570 uA.
1850	Phonon trigger settings for DCRC 33 in Dib1: 55 ADC bins ; DCRC 32 in Dib 2: 20 ADC bins
1950	Modify DCRC33 settings to fix railed channels

DCRC33 settings
Driver offset (V)	SQUID Bias(uA)	Lockpoint (mV)	QET Bias (uA)
0	66.4	3.41	-100
0	84.95	2.43	-100
1.02	86	1.6	-100
0	84.33	3.02	-66

DCRC32 settings
Driver offset (V)	SQUID Bias(uA)	Lockpoint (mV)	QET Bias (uA)
0.05	84.95	3.80	-100
0	90.81	3.80	-115
0	89.84	4.48	-560
0	86.91	2.72	-75

2000	Filled LN2 cold trap.
2148	Start taking data 07120723_2148_F0001. DIB1/DCRC33=+2V, DIB2/DCRC32=-2V. Trace length 0.4096ms. Pre-trigger 100us. 20 ADC bins. Data/flash/cooldown = 2hour/6s/20min. Will take DIB1/2=-/+2V, +/-4V, -/+4V, +/-6V, -/+6V. With Ba-133 source.

Qi (top) and Qo (bottom) on DCRC 33 plugged into Dib 1

Qi (top) and Qo (bottom) on DCRC 32 plugged into Dib 2

IbIs measurement for C1 (DCRC 33 plugged into Dib 1)

Data Set 07120723_2148 with Ba-133 & Am-241 and DIB1 +2 V, DIB2 -2 V

Figure 1: Qi and Qo spectra for zip 1 and zip 2 (no cross talk). Bulk, Qi and χ squared cuts.

Figure 2: Qsum spectra. Qi and χ squared cuts.

Figure 3: Qsum vs Event Time. Qi and χ squared cuts.

Figure 4: χ Squared vs. Qsum. Qi cut.