AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
AIDA
Draft saved at 00:00:00
Fields marked with
*
are required
Entry time:
Sat Aug 16 18:13:04 2025
Author
*
:
Subject
*
:
> 12.10 DAQ continues OK file RIBF147/R2_145 > > 100Sn setting, no degrader > > ASIC settings 2019Jun13-08.56.35 > > 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 > > good event statistics - DSSSD#1 noisy - see attachment 3 > 10x <20k, 19x <50k, 20x <100k > > p+n FEE64s 1.8.W spectra 20us, 200us, 2ms, 20ms FSR - DSSSD#1 noisy - attachments 4, 6, 7 & 8 > n+n FEE64s 1.8.W spectra 20us FSR - DSSSD#1 noisy - attachment 5 > > FEE64 Rate spectra - attachment 1 > Check ASIC Control *all* FEE64s & ASICs x1 > FEE64 Rate spectra - attachment 2 > > Observe that nnaida17 is the really noisy FEE64 - nnaida20, 22 & 23 show increased noise but > not at same level as nnaida17. Is nnaida17 actually the problem? LH kapton PCB is the only > one we did not replace for example. > > 12.21 DSSSD#1 stats OK > > 12.36 AIDA R2_151 > DTAS run 027 > BigRIPS still 2012 > > 13:43 DAQ continues running OK file RIBF147/R2_167 > https://www.reddit.com/r/politics/ > Settings as before > > Good events stats OK - DSSD#1 no longer noisy - see attach 9 > Leakage current OK - see attach 10 > Systems wide checks OK except nnaida7 fails calibration > > Merger ~550k events/second, TapeServer 4435 Kbytes/s > > Will increase thresholds on DSSD#1 and decrease on DSSD#3 on next DTAS stop. > > 14:20 DSSD#1 was found noisy again (Rate>100kHz & Tapeserver 10Mbytes/s)) but then soon after was back to a > normal counting rate (Rate back to ~40kHz & Tapeserver back to 5 Mbytes/s) > > 14:39 DTAS & BigRIPS stops - changing threshold during AIDA R2_174 > DSSD#1 (nnaida17, 20, 22, 23) slow comparator threshold -> 1d (300 keV) > DSSD#3 (nnaida9, 12, 14, 15) slow comparator threshold -> 8 (80 keV) > > Check ASIC control x1 on all FEE64 > > Restarting > AIDA R2_175 > DTAS 30 > BigRIPS 2013 > > New stats look OK - zero'd Counters - see attach 11 > nnaida 17,20,22,23 rates are down > nnaida 9,12,14,15 rates are up > It appears the data rate balances out. Data items & write to disk similar to before the changes. > See attach 12 & 13 > > New sample waveforms in attach 14 & 15. nnaida17 looks significantly better than before. > Rates spectra also attached - see 16 > > 17:12 Data rate still ~600k items/s > File rolled over to R2_196 > > 17:30 Current F11 rate ~190 cps > Estimation of implant rate in AIDA of ~270 implants/s (number of HEC events in DSSD1 y strips over duration > of file R2_197) > > increased AIDA rate likely due to double counting of multi-strip events > Temps all ok > > > 18.11 DAQ stats zero'd > *all* histograms zero'd > > 20:13 DAQ continues to run OK > Data rate ~620k items/s. FEE64 data rates remain approx. same > Temps OK > Just rolled over to file R2_222 > > 20:44 DTAS run 39 started > BigRIPS run 2015 > AIDA at 1.2GB into R2_226 > > 22:44 DTAS run 42 started > BigRIPS run 2017 > AIDA at 1.3GB into R2_243 > > Carried out ASIC check successfully > Temps and data rate remain unchanged. > > 23:16 Been almost 1 day running. > DTAS running out of range in some of their timing histograms so reset the correlation scaler > Reset successfully at start of R2_249 > > 23:19 Reset signal sent again. Still in file R2_249 > > 23:23 DTAS run 43 started > BigRIPS run 2018 > AIDA run R2_250 > > 23:54 MIDASSORT spectra saved to /homes/npg/spectra/specs-2019Jun16-23.52.55 > MIDASORT online started.
Encoding
:
HTML
ELCode
plain
Suppress Email notification
Attachment 1:
Drop attachments here...
Draft saved at 00:00:00
ELOG V3.1.4-unknown