ELOG DESPEC

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

DESPEC

Fields marked with * are required
Entry time:	Sat Aug 16 18:33:51 2025
Author*:
Subject*:
> 08:15 beam tuning in progress > > 08.30 System wide checks > > - aida06 global clock failure (check clock status) > - aida02 , aida04, aida06 fail calibration (ADC calibration) > - SYNC error counter ok > - SYNC pulse check ok > - 'collect memory information from FEE64 Linux' still returns scripting error -> will not check again until update > - WR decoder test passes > - good event statistics OK, except aida 09, 10, 11, 12 as yesterday morning (see attach 1) > - FEE temperature OK (see attach 2) > - Detector OK (see attach 3) > - NewMerger. MergerHTTPd, newMerger Terminal, data relay MBS screenshots attached (4,5,6,7) > > 10:37 Issues with magnets due to the new control system. Beam tuning continues > > AIDA continues running OK > - aida06 global clock failure (check clock status) > - aida02 , aida04, aida06 fail calibration (ADC calibration) > - SYNC error counter ok > - SYNC pulse check ok > - WR decoder test passes > - good event statistics OK, except aida 09, 10 (see attach 8). Aida 9 & 12 rates now lower > - FEE temperature OK > - Detector OK > - Merger OK > > 12:21 Beam start > AIDA continues running OK > - aida06 global clock failure (check clock status) > - aida02 , aida04, aida06 fail calibration (ADC calibration) > - SYNC error counter ok > - SYNC pulse check ok > - WR decoder test passes > -ASIC check load performed > -Writing to file R11 in directory 290319 > -histograms zeroed > -good event statistics OK, except aida 09, 10 (attachment 9) > -FEE temperatures ok (attachment 10) > -detector bias ok (attachment 11) > > -thick degrader was placed in front of snout during beam operation > > 12:40 beam stop > TapeServer stopped, file R11_0 in 290319 > TapeServer restarted, not writing to file > > low energy spectra for aida09 (attachment 12) > > high energy spectra for aida09 (attachment 13) > > high energy spectra for aida11 (attachment 14) > > 1D hit patterns (stat) in aida09,10,11,12 (attachment 15) > > ASIC control settings used during beam, including thresholds (attachment 16) > > 14.20 NOTE degrader setting different from yesterday, silver beam still not observed, just unidentified light ions. > > AIDA continues running OK > aida06 global clock failure (check clock status) > aida02 , aida04, aida06 fail calibration (ADC calibration) > SYNC error counter ok > SYNC pulse check ok > WR decoder test passes > > 14.37 good event statistics OK, except aida 10 (attachment 17) > detector bias ok (attachment 18) > FEE temperatures ok (attachment 19) > > 14.54 Degrader removed > > 16:13 AIDA continues running OK > aida06 global clock failure (check clock status) > aida02 , aida04, aida06 fail calibration (ADC calibration) > SYNC error counter ok > SYNC pulse check ok > WR decoder test passes > FEE64 temperatures OK > good event statistics OK, except aida 3, 9, 10 running hot (see attach 18) > > 17:00 Beam start - no degrader > AIDA running OK > Writing on file R13 > Beam is better focused (see attach 19). Appears to be off-centre in the bottom right part of the detector > Rates OK (see attach 20) > DSSD bias/current OK (see attach 21) > > 17:21 Beam re-centred. Histograms cleared - see attach 22 > AIDA continues OK > Run continues > > High energy spectra in aida09 (attachment 25) > > Beam rate approx 5000 ions/s > > Beam being diffused > TapeServer start stop - AIDA writing to file R14 in 290319 > > 17:48 1D hit patterns - beam in process of being diffused (attachment 26) > > 17:57 leakage current back at 1.465 uA (attachment 27) > > 18:08 beam stopped > TapeServer stopped and restarted - not writing to file > > updated hit patterns from beam diffusing (attachment 28) > > aida10, ADC3 high energy spectra (attachment 29) > > 18.11 calibrating tpc with masks > > TapeServer stop/start R16, 290319 > > 18.49 leakage current briefly fluctuating between ~1.2 uA and ~2 uA, but has returned to stability at ~ 1.4 uA > (attachment 30) > > 18.55 beam stopped for tuning - TapeServer stop/start. Not writing to file. > > 18.58 leakage current still stable after beam off (attachment 31) > > 19.10 beam start. TapeServer stop/start writing to file R18 in 290319 > > 19.15 leakage current still ok after beam activation > > 19.34 fee12 high energy spectra (attachment 32) > > 20.35 beam stop, tapeserver stopped > > histogramming link dropped on aida 12 > > 20.38 beam start. TapeServer start R20 > > Encoding*: HTML ELCode plain Suppress Email notification

Attachment 1:
Drop attachments here...

ELOG V3.1.4-unknown