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 11:14:43 2025
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> 09.24 DAQ continues OK - current file Oct18/R12_116 > alpha background run > > 09.20 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 except nnaida17 c. 400k - see attachment 4 > nnaida2 rate due to one hot channel as before > > Merger - Link16 errors reported - see attachment 5 > TapeServer OK - see attachment 6 > > problem with nnaida17 rate resolved with ASIC check load - see attachment 7 > > 1.8.L spectra - see attachments 7 & 8 > > N.B. evidence of minimally ionising particles (presumably protons) from beam to F11 E detector > ~10-15cm Pb bricks were placed within BRIKEN (CH2)n stack to stop heavy particles > > 1.8.W spectra 20us FSR - see attachments 9 & 10 > > 09.33 DAQ stop - file Oct18/R12_117 > All Oct18/R12_* files deleted > > 09.34 all spectra zero'd > DAQ start - file Oct18/R13 > alpha background run > > all FEE64 good events statistics OK - see attachment 11 > > 15.11 DAQ continues ok, on file Oct18/R13_2 (alpha run) > system wide checks ok, except nnaida7 failing ADC calibration > FEE64 temperatures ok (attachment 13) > detector bias and leakage currents ok (attachment 14) > good event statistics ok, except nnaida2 due to one hot channel (attachment 15) > Merger and TapeServer ok, no errors in terminal > > 15.20 DAQ stop - file Oct18/R13_2 > > 15.24 Lowered slow comparator threshold from 100 to 10 > good event statistics ok (attachment 16) > > 15.42 took waveforms, triggering ok (attachment 17) > raised slow comparator threshold to 100 from 10 > start DAQ (R14) > nnaida22, no statistics showing (see attachment 18) > subsequent failure to connect to nnaida2 > > 16:44 fixed by rebooting nnaida2 only, nnaida2 reset, setup all FEE64s > slow comparator threshold re-raised from 10 to 100, as default was restored > DAQ and alpha run restarted (R15) > Merger and TapeServer ok, no errors in terminal > good event statistics all ok, except for nnaida2 hot channel (attachment 19) > > Encoding: HTML ELCode plain Suppress Email notification

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