| 2000 | Start flashing for 1 hour, cooldown for 2 hours and data acquisition. Each bias set will consist of six 10-minute data series, interspersed by 6 seconds of flashing and 20 minutes of cooldown. 3.2768 ms trace length; 400 us delay; 200 uS coincidence time; 2K events per file. Data acquired for following biases in order: +4 V DCRC33 (DIB1), -4 V DCRC31(DIB2); -4 V DCRC33, +4 V DCRC31, +3 V DCRC33, -3 V DCRC31; -3 V DCRC33, +3 V DCRC31; 0V All DIBs. DIB3 kept at 0V. Phonon OR trigger thresholds set at 25 ADC bins for all phonon channels, except DIB3 which has triggers thresholds of 8 ADC for all channels except channel D, which has threshold of 25 ADC. Ba-133 source mounted on dewar. |