AIDA
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StellarModelling
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Entry time:
Sat Mar 29 11:38:04 2025
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21:10 After all of the works in S4 today the noise in the system was considerably worse It was decided that before starting a new alpha run a powercycle would be performed. The powercycle has had no effect on the rates. They are still terrible. The difference between yesterday and today is: - Adaptor cards for FEE9 and 13 were re-aligned as they were previously misaligned - bPlast has been plugged in and biased All system wide checks ok Statistics threshold at 0xa - attachment 1 Rate spectra (FEE5 does have events in all channels just noise is dominated by a few) - attachment 2 Waveforms - attachments 3 and 4 Pulser turned off and threshold raised to 0x64 Statistics - attachment 5 21:19 Alpha run started to May21/R4* 08:51 DAQ continues OK - file May21/R4_23 FEE64 temps OK - attachment 8 ADC data items OK - attachment 9 1.8.W spectra - attachments 6 & 7 no change cf. yesterday pm Grafana - most recent 12h DSSSD bias & leakage current - attachment 10 DSSSD biases & leakage currents - attachment 11 Tape Server/Merger - attachment 12 09:44 R4 stopped
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