| | Setup: iZIP mode, DIB1/2/3 → cables → 3.2 MHz filters → DCRC55/33/50 |
| | Taking Y-Be photoneutron data overnight. Last flash at 07:00 |
| 0905 | Tower/MC(H35)/MC sensor/Cold Plate = 31.2/26.9/40/157 mK, Still = 1.22 K / 0.12 mbar, G1/G2 = 165/150 mbar, 1K Pot = 1.73 K / 19 mbar, Main bath = 33.6% |
| | Still thermometer was initially reading high, 1.6 K, but after wiggling the Fridge Out 1 cable slightly it came down. |
| 0910 | Remove Y source from source holder and put back into safe. |
| 0920 | Fill LN2 cold trap Dewar. |
| 0930 | Check phonon traces, all look OK |
| 0934 | Start 1 30min background series at -4/+4V with FG=5/2/5, OG=3, with 1000 initial randoms, 1000 ending randoms, 30s flash and 25 minute cooldown before series. Trigger on DIB1 phA with threshold of 20ADC bins and DIB1 qInner&qOuter each with threshold 210 ADC bins, with 150 us pileup cut window. |
| 1055 | Place Ba source inside top of fridge shield at back of fridge. |
| | Start 1 30min Ba series at -4/+4V with FG=5/2/5, OG=3, with 1000 initial randoms, 1000 ending randoms, 30s flash and 25 minute cooldown before series. Trigger on DIB1 phA with threshold of 20ADC bins and DIB1 qInner&qOuter each with threshold 315 ADC bins, with 100 us pileup cut window. |
| 1218 | Change /Equipment/Tower01/Settings/DCRC1/General/ChargePrepulseSamples value from 250 to 500 samples. Repeat for other DCRCs as well. |
| 1220 | Disable DIB1 Qi&Qo high threshold triggers so that we can see high energy events in the following data set (with hopefully corrected Charge Prepulse Length). |
| 1224 | Start 1 30min Ba series at -4/+4V with FG=5/2/5, OG=3, with 1000 initial randoms, 1000 ending randoms, 30s flash and 25 minute cooldown before series. Trigger on DIB1 phA with threshold of 20ADC bins, with 100 us pileup cut window. |
| 1430 | Place Ba source back in safe. Bring Cf source out and place inside shield near detector. |
| 1435 | Start 30min Cf series at -4/+4V with FG=5/2/5, OG=3, with 1000 initial randoms, 1000 ending randoms, 30s flash and 25 minute cooldown before series. Trigger on DIB1 phA with threshold of 20ADC bins and DIB1 qInner&qOuter each with threshold 210 ADC bins, with 150 us pileup cut window. |
| 1545 | Commence LHe transfer (21.2%). |
| 1630 | Cease LHe transfer (89.5%). |
| 1715 | Release Main Bath pressure. Fill LN2 cold trap full. |
| 1805 | Place Strong 88-Y source in source holder. |
| 1810 | Start 14 hours of 30min Y-Be series at -4/+4V with FG=5/2/5, OG=3, with 1000 initial randoms, 1000 ending randoms, 30s flash and 25 minute cooldown before series. Trigger on DIB1 phA with threshold of 20ADC bins and DIB1 qInner&qOuter each with threshold 105 ADC bins, with 150 us pileup cut window. |