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 12:37:14 2025
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11.43 DAQ continues OK ASIC settings 2019May19-17.54.03 slow comparator 0xa BNC PB-4 Pulser Amplitude 90,000 x5 attenuator IN Frequency 25Hz range, variable min. c. 2.5Hz t_r 100ns, tau_d 50us - polarity Delay MIN, tail pulse 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 - DSSSD#1 noisy - see attachments 4 10x <20k, 19x <50k, 20x <100k cf. 13x <20k 22x < 50k 24x <100k yesterday afternoon Merger OK - see attachment 5 TapeServer OK - see attachment 6 p+n FEE64s 1.8.W spectra 20us FSR - DSSSD#1 noisy - attachment 7 n+n FEE64s 1.8.W spectra 20us FSR - DSSSD#1 noisy - attachment 8 1.8.L spectra - see attachments 9 & 10 nnaida1 76 ch FWHM, nnaida3 83 ch FWHM - cf. 104 & 111 ch FWHM respectively yesterday aftenoon FEE64 Rate spectra - attachment 11 Check ASIC Control all FEE64s & ASICs x2 FEE64 Rate spectra - attachment 12 11.46 ADC data synchronised - attachment 13 p+n FEE64s 1.8.W spectra 20us, 200us, 2ms & 20ms FSR - DSSSD#1 noisy - attachments 14-17 Check ASIC Control all FEE64s & ASICs x2 - no change DSSSD#1 noise DSSSD#1 bias cycle - no change DSSSD#1 noise press Kapton Samtec into adaptor PCBs - reduces DSSSD#1 noise to previous levels 12.17 Julabo FL11006 chiller set point +20 deg C actual +20.0 deg C Water level c. 60% M-H markers Temperature +25.3 deg C dew point +7.6 deg C RH 32.2% 12.23 temporary fix for DSSSD#1 noise? check by zero all histograms zero DAQ stats ...and wait good event statistics - DSSSD#1 noisy - see attachments 18 11x <20k, 21x <50k, 23x <100k 13.30 DAQ stop OH replaces LH kapton PCB for DSSSD#1 n+n FEE64s 20 & 23 which we suspect may be damaged due to twist placed on kpaton cables by weight of all ribbon cables + cu foil shielding - particularly pronounced for nnaida20 good event statistics - OK - see attachments 19 7x <20k, 20x <50k, 24x <100k p+n FEE64s 1.8.W spectra 20us FSR - OK - attachment 20 good event statistics - OK - see attachment 21 7x <20k, 22x <50k, 24x <100k p+n FEE64s 1.8.W spectra 20us FSR - OK - attachment 22 17.50 detector biases & leakage currents OK - see attachments 23 & 24 FEE64 temperatures OK - see attachment 25 good event statistics - OK - see attachments 26 9x <20k, 21x < 50k, 24x <100k cf. 10x <20k, 19x <50k, 20x <100k earlier today p+n FEE64s 1.8.W spectra 20us FSR - DSSSD#1 noisy - attachment 7 n+n FEE64s 1.8.W spectra 20us FSR - DSSSD#1 noisy - attachment 8 17.57 all histograms zero'd DAQ stats zero'd Encoding: HTML ELCode plain Suppress Email notification

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