ELOG DESPEC

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

DESPEC

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Entry time:	Sat Mar 29 11:29:41 2025
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> > c 09.00 aida03 drops Histogram enable at DAQ GO > NH determined this was due to Options DB corruption and fixed > > 09.55 DAQ currently running No Storage mode > > ASIC settings 2019Oct31-13.24.23 (different from the December ones yesterday which experienced corruption) > slow comparator 0xa > > BNC PB-5 pulser > amplitude 1.0V , attenuator x1 > frequency 2Hz > decay time 1ms > > DSSSD biases & leakage currents OK - attachment 1 > FEE64 temps OK - attachment 2 > good events statistics OK - attachment 3 > > system wide checks - attachments 4-11 > aida06, 08, 10, 12 re-calibrated OK, all others OK > aida03 failed WR decoder status - collect all WR errors for baseline - all FEE64s pass WR decoder status > sync all ASIC clocks using ReSync > > merger & TapeServer OK - attachments 12-14 > > 13.29 DAQ to disk file S480/R6 > > ASIC settings 2019Oct31-13.24.23 > slow comparator 0xa > aida01 LEC/MEC fast comparator 0x64, all other FEE64s 0xff > > 14.57 fast comparator thresholds LEC/MEC changed to 0xff for all FEEs > > 15.01 FEE temperatures normal, aida1 virtex temperature still slightly over 65 degrees (attachment 15) > leakage currents recorded to spreadsheet (attachment 16) > good events rate similar to previous, high in DSSD3 and seems to be returning to normal in DSSD1 except in one FEE (attachments 17 and 18) > system wide checks OK > data rate around 22000 KB per second (attachment 19) > as of 15.12 on file R6_80 > > attachment 20 is total event stats shows events are being implanted > attachment 21 and 22 show low energy spectrum left most peak is pulser and rightmost is central noise. middle peak in aida1 > attachment 23 and 24 show high energy spectrum, aida4 histogram not being produced unsure why. > attachment 25 and 26 show waveforms, only aida3 histogram working > > 16.00 checked ASIC control, all OK > > 16.35 spill is now changed to 10s with beam intensity increase by factor of 10. 3000 implants per spill. > > 16.42 leakage currents recorded to spreadsheet > > 17.10 system wide checks ok > fee64 temperatures ok - attachment 27 > detector bias/leakage currents ok - attachment 28 > good event statistics ok - attachment 29 > > 17.15 moved slit at S2 - rate drop to try remove some 96Pd > > 17.20 writing to file R6_166 > > 17.44 merger/tapeserver ok. Data rate ~ 25000 kb/s > > 18:10 Fine tuning implantation profile > Removing 0.25mm Al degrader (60 mg/cm^2) to get 96Pd slightly further in to AIDA. > DESPEC is closing the current file, R6_203 was just finished on AIDA on typing this. > (Maybe the end of run S480f004_ on DESPEC side but that elog was not updated since 16:40?) > Decision based on assumption of 6 GeV 96Pd having a range 1 mm in silicon. > > 19.16 system wide checks ok > good event statistics ok - attachment 30 > detector bias/leakage currents ok - attachment 31 > fee64 temperatures ok - attachment 32 > > 19.39 TapeServer/Merger ok. Writing to file R6_265. Data rate ~ 25000 kb/s > > 20.07 1.8.H high energy spectra front and back side (attachments 33 + 34) > > 20.36 S4 timing change, increased by factor of 2 > > 20.38 Merger/TapeServer ok. Data being forwarded to MBS. > > 20.38 writing to file R6_308 at rate of ~ 25000 kb/s > > 21:21 system wide checks ok > good event statistics ok - attachment 35 > fee64 temperatures ok - attachment 36 > detector bias/leakage currents ok - attachment 37 > > 21:57 TapeServer/merger ok > data forwarding to MBS ok > writing to file R6_368 at rate of ~26000 kb/s > > 23:10 system wide checks ok > good event statistics ok - attachment 38 > fee64 temperatures ok - attachment 39 > detector bias/leakage currents ok - attachment 40 > > 23:24 TapeServer/merger ok > data forwarding to MBS ok > writing to file R6_435 at rate of 27000 kb/s > > 23:42 rate spectra - attachment 41 > > > > > > > > > > > > Encoding: HTML ELCode plain Suppress Email notification

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ELOG V3.1.4-unknown