ELOG AIDA

AIDA GELINA BRIKEN nToF CRIB ISOLDE CIRCE nTOFCapture DESPEC DTAS EDI_PSA 179Ta CARME StellarModelling DCF K40

AIDA

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Entry time:	Sat Mar 29 12:36:47 2025
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10.18 DAQ continues OK to file May19/R5_1 alpha background ASIC settings 2018Oct03-13.26.58 except slow comparator 0xa -> 0x64 BNC PB-4 Pulser OFF all system wide checks OK except nnaida7 fails ADC calibration detector biases & leakage currents OK - see attachments 1 & 2 FEE64 temperatures OK - see attachment 3 good event statistics OK - see attachments 4 Merger OK - see attachment 5 TapeServer OK - see attachment 6 1.8.W spectra 20us FSR - attachments 7 & 8 1.8.W spectra 20ms FSR - attachments 9 & 10 Julabo FL11006 chiller set point +20 deg C actual +20.0 deg C - water topped up Temperature +24.8 deg C dew point +8.3 deg C RH 35.3% 10.42 DAQ stop May19/R5_2 slow comparator 0x64 -> 0xa Check ASIC Control all ASICs & FEE64s 10:52 AIDA inserted ~4cm into DTAS 60Co (~40kBq) + 137Cs (~8kBq) sources located approximately 4cm in front of the front face of the snout 10.54 DAQ start May19/R6 good event statistics OK - see attachments 11 all FEE64s <100k, 9x < 20k data rate 4.9Mb/s 0.64M data items/s 11.04 nnaida17 good events c. 350k returns to 13k following Check ASIC Control (nnaida1 OK - see https://elog.ph.ed.ac.uk/AIDA/801 ) AIDA disc statistics indicate that fast discriminators were source of higher rate - next time this happens we should check HitRate to see whether this is a specific channel or channels and possibly mask 11.17 DTAS DAQ issues correlation scaler reset AIDA data file May19/R6_3 use files from R6_4 11.39 DAQ stop file May19/R6_8 nnrpi1 is offline - we suspect wrench or power tool placed too close to RPi when we moved AIDA into DTAS and we jostled one or other of the cables connected to nnrpi1 nnrpi1 power cycled to reboot all FEE64s OK USB ac mains relay controls recovered OK CAEN N1419 contrs recovered OK 11.48 AIDA withdrawn from DTAS for installation of upstream (CH2)n shield and additional Pb wall 11.52 DAQ starts to file May19/R7 alpha background resumes ASIC settings 2018Oct03-13.26.58 except slow comparator 0xa -> 0x64 BNC PB-4 Pulser OFF 18.06 DAQ continues ok, on file May19/R7_0 all system wide checks OK except nnaida7 fails ADC calibration detector biases & leakage currents OK - see attachment 13 FEE64 temperatures OK - see attachment 14 good event statistics OK - see attachment 15 Merger and TapeServer ok Temperature +25.0 deg C dew point +4.4 deg C RH 27.0% Encoding: HTML ELCode plain Suppress Email notification

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ELOG V3.1.4-unknown