AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
DESPEC
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Sat Mar 29 20:13:03 2025
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15:30 TD found the merger was running at ~43 Mb/s The odd-numbered FEE64s all had significant (>200k) disk rates ALL LEC/MEC fast discriminators and increased slow comparator from 0xa to 0x14 Merger rate dropped to a more nominal value like 2.3 Mb/s Settings not saved 40Ar beam 300 MeV/u expected, but SIS problem at the moment. 23:00 Leak currents are stable as previously (20-21 Nov) and entered to Google spreadsheet S4 vault is closed. Presently AIDA is running without tape storage System wide checks: Master clock / aida01 sync reports error as expected; All white rabbit decoders fail, but they are just off by 1 bit (no problem) Everything else okay. Stats look okay, but keep in mind above discriminator threshold -- see attachment 1 Temperatures fine -- see attachment 2 MBS looks okay -- we see a possible hint for the 1 bit difference with an "unexpected data word" -- see attachment 3 Data rate is 1.7 Mb/s, merger okay -- see attachment 4 23:30 Now we wait for the beam 00:05 Attachments 5-11: results of system wide checks after collecting sync errors and WR errors from baseline - all ok 00:25 Histograms zeroed at 00:25. 00:35 1.8.L pulser peak widths FEE64 width(ch) 1 92 2 131 3 75 4 97 5 89 6 117 7 90 8 87 9 223 10 58 11 112 12 126 no peak observed on aida09 For comparison, pulser peaks measured on 13/11/19: pulser peak widths: FEE width (ch) aida01 - 130 aida02 - 168 aida03 - 83 aida04 - 83 aida05 - 200 aida06 - 148 aida07 - 250 aida08 - 81 aida09 - 134 aida10 - 190 aida11 - 333 aida12 - 149 2:00 40Ar beam tuning is finished. Intensity at S4 is about 3 kHz per spill. 1 spill per / 10 seconds MBS system cannot be used for online merging tonight, because NeuLAND group left their connection open We can merge offline using the White Rabbit timestamps Remove the beam blocking steel flange from in front of AIDA et al. Writing to file Dec19/R1 03.20 Rate, Stat, 1.8.L, 1.8.H, 1.8.W spectra - attachments 13-20 Observe light ions in 1.8.L spectra low energy (<1.5GeV) heavy ions in 1.8.H spectra with most heavy ions stopping in DSSSDs 1 & 2 Stat hit patterns indicate broad (c. 5cm FWHM) centred heavy ion peak 03.24 Detector biases & leakage currents OK - attachment 21 FEE64 temperatures OK - attachment 22 Good event statistics (12 of 12 < 50k) - attachment 23 System wide checks List All Sync Error Counters - attachment 24 List all Sync Received Counters - attachment 25 Baseline invoked earlier c. 00.05 Collect all SYNC Error Counters for Baseline Collect All White Rabbit status Error Counters for Baseline 04:07 2.6 mm Al degrader. 300Hz beam. 300 MeV/u 40Ar beam. 04.14 pulser peak seen in aida09 after performing ASIC check-load earlier in shift - width = 219 ch 04.45 1.8.H energy spectra (attachment 26/27) 06:08 attachments 28-30: detector bias/leakage currents ok temperatures ok good event statistics ok all system wide checks ok 08:49 DAQ stop/start. TapeServer writing to No Storage. End of beam.
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