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

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Entry time:	Sat Mar 29 11:37:46 2025
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Beam lost due to septum failure c. 18.15 Friday 14 June Cooling of recirculating water failed c. 19.00 - water temperature increased from the normal 17-18deg C to 25-26 deg C FEE64 temperatures increased and FEE64s powered off and on-call engineer requested. Cooling of recirculating water restored and AIDA restarted NH started background run 23.37 - data file S181/R9 01.21 DSSSD bias & leakage current OK - attachment 1 FEE64 temperatures OK - attachment 2 ADC data item stats OK - attachment 3 8x < 20k, max 238k aida08 per FEE64 Rate spectra - attachment 4 2x Check ASIC load Merger, TapeServer etc - attachments 5-6 analysis data file R9_27 - attachment 7 max deadtime 1.9%, all other FEE64s < 1% ADC data rate 951k, HEC data rate 1.6kHz 04.28 DSSSD bias & leakage current OK - attachment 8 FEE64 temperatures OK - attachment 9 ADC data item stats OK - attachment 10 8x < 20k, max 261k aida08 per FEE64 Rate spectra - attachment 11 08.30 DSSSD bias & leakage current OK - attachments 12-13 FEE64 temperatures OK - attachment 14 ADC data item stats OK - attachment 15 all rates increased - gamma source in use? per FEE64 Rate spectra - attachments 16-17 note aida08 asic #3 hot HEC channel per FEE64 1.8.L spectra - attachments 18-20 aida09 pulser peak width 59 ch FWHM decay alphas aida05, aida12, aida02, aida04 per FEE64 1.8.W spectra - 20us FSR - attachments 21-23 Merger, TapeServer etc - attachments 25-25 analysis data file R9_152 - attachment 26 max deadtime 2.4%, all other FEE64s < 1% ADC data rate 1.215M, HEC data rate 2.1kHz 12.22 DSSSD bias & leakage current OK - attachment 27 FEE64 temperatures OK - attachment 28 ADC data item stats OK - attachment 29 per FEE64 Rate spectra - attachment 30 15.27 DSSSD bias & leakage current OK - attachment 31 FEE64 temperatures OK - attachment 32 ADC data item stats OK - attachment 33 all rates increased - 370kBq 152Eu in use per FEE64 Rate spectra - attachments 34 per FEE64 1.8.L spectra - attachments 35-36 aida09 pulser peak width 59 ch FWHM decay alphas aida05, aida12, aida02, aida04 analysis data file R9_275 - attachment 37 max deadtime 4.4%, all other FEE64s < 2% ADC data rate 1.520M, HEC data rate 2.3kHz 18.52 DSSSD bias & leakage current OK - attachment 38 FEE64 temperatures OK - attachment 39 ADC data item stats OK - attachment 40 per FEE64 Rate spectra - attachment 41 22.50 DSSSD bias & leakage current OK - attachment 42 FEE64 temperatures OK - attachment 43 ADC data item stats OK - attachment 44 per FEE64 Rate spectra - attachment 45 Encoding: HTML ELCode plain Suppress Email notification

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