ELOG DESPEC

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

DESPEC

Fields marked with * are required
Entry time:	Sat Mar 29 11:37:50 2025
Author*:
Subject*:
08:00 ASIC settings 2019Dec19-16.19.51 DSSSD#1 slow comparator 0xa DSSSD#2 slow comparator 0xa DSSSD#3 slow comparator 0xd BNC PB-5 Pulser Amplitude 1.0V Attenuation x1 Frequency 2Hz tau_d 1ms - polarity Delay 250ns, tail pulse All system wide checks ok except aida06 fails clock status 6 Statistics - attachment 1 FEE Temperatures - attachment 2 Bias and leakage currents ok - attachment 3 08:20 Merger ~4.5M data items/s TapeServer ~ 45MB/s Writing to file R6_1148 09:00 Beam off for optimisation - writing to file R6_1212 Expected back at 09:30 09:30 Beam will be off for a bit longer - an hour or two 09:34 All system wide checks ok except aida06 fails clock status 6 Statistics - attachment 4 FEE Temperatures - attachment 5 Bias and leakage currents ok - attachment 6 Merger ~4.5M data items/s TapeServer ~ 45MB/s 10:10 (NH) Stopped DAQ to try the new merger from VP, new run R7, R8 for these tests Tape rate was 110 MB/s (!) and MBS relay seemed nothing... also it didn't stop when DAQ was stopped but took 10+ seconds to finish Something confusing, will look at data and report to VP Reverted to original merger and back... 45 MB/s R9 12.00 (LS) System wide checks okay except 'FEE64 module aida06 global clocks failed, 6' Statistics (attachment7) FEE temps (attatchment8) Rate spectra (attachment9), beam still down Leakage Currents written to sheets (attachment10) Merger ~45M items/s Tapeserver ~43MB/s 14.00 Still no beam but is expected to return soon System wide checks okay except 'FEE64 module aida06 global clocks failed, 6' Statistics (attachment11) FEE temps (attatchment12) Leakage Currents written to sheets (attachment13) Merger ~45M items/s Tapeserver ~44MB/s 14.40 Leakage currents still rising slowly compared to previous days, so will keep an eye on them (attachment14) 15.00 Beam is back (attachment15) Still writing to R9 (roughly around R9_386) 15.28 No beam (attachment16) 15.41 Beam back (attachment17) Roughly R9 (roughly around R9_439) 16.00 Analysis of R9_469, from FEE0 and FEE2 the hit rate for one side is around 48 HEC data items/second (attachment18) 16.20 System wide checks okay except 'FEE64 module aida06 global clocks failed, 6' Statistics (attachment19) Spectra Rate (attachment20) FEE temps (attatchment21) Leakage Currents written to sheets (attachment22), still rising but looking on Grafana 7 day period should start to lower around 17.00 Merger ~45M items/s Tapeserver ~43MB/s 16.55 Beam down (attachment23), back a couple minutes later 15.51 beam down (attachment24) Encoding: HTML ELCode plain Suppress Email notification

Attachment 1:
Drop attachments here...

ELOG V3.1.4-unknown