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 12:31:49 2025
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> 00:00 New day. The DAQ continues OK > > Beam setting 2 for enhanced yield of Sn100 > No degrader > > Statistics OK - see attach 1 > FEE64 temps OK - see attach 2 > Merger & Tape server OK - see attach 3 & 4 > Bias OK - see attach 5 > All system-wide checks OK, except nnaida7 fails ADC calibration > > 00:19 AIDA R2_473 > DTAS 82 > BigRIPS 2036 > > 01:50 FEE temps and bias/leakage currents OK > Data rate continues at ~620k items/s and ~5.1MB/s > ASIC check performed successfully > > 02:29 DTAS run 85 > BigRIPS run 2037 > AIDA ~1.5GB into R2_492 > > 02:30 DTAS reset correlation scaler at start of R2_493 > Confirmed by change in value in Correlation status & control @ aidas1 window. > > 02:36 DTAS run 86 started > BigRIPS run 2038 > AIDA file R2_494 > > 04:38 DTAS run 88 stopped. AIDA run R2_512. > DTAS run 89 started. > BigRIPS run 2039 > AIDA run R2_512 (1.8GB) > > Temps + bias/leakage currents still ok > Data rate still ~600k items/s and ~5MB/s > Individual Good data rates remain roughly constant (see attachment 6) > All system-wide checks passed, except nnaida7 fails ADC calibration > > 05:48 Stats and histograms zeroed > > 06:28 DTAS run 91 stopped. AIDA run R2_528 at the time. > > DTAS run 92 started > BigRIPS run 2040 > AIDA run R2_528 > > 07:50 Made some basic observations with the first file merged after the setting change > Attachment 7 shows implant x:y plots for each DSSD > Attachment 8 show PID for second setting with 100Sn highlighted in red and 96Ag in magenta > > 08:21 PID per DSSD Attachment 9 > Sn100 per DSSD attachment 10 > Sn100 Velocity against DSSD 11 > Sn100 Velocity against DSSD Energy attachment 12 > > 08:29 DTAS and BigRIPS stop > AIDA on file R2_546 > > DTAS starts file 95 > BigRIPS run 2041 > AIDA on file R2_547 > > 08:53 Stats ok - attachment 13 > Temps ok - attachment 14 > System wide checks ok > ASIC check ok > Bias and leakage still ok though DSSD3 continues to rise - attachment 15 > Merger continues with data rate around 700k - attachment 16 > > 09:43 With the new implantation profile depositing most of the Sn100 in DSSD2 but some in the 3rd the > plan is to put in place a 200 micron degrader to bring the deposition into the centre of detector > 2 > > 10:15 Overnight MIDAS analysis has been completed. > Spectra have been exported to: /homes/npg/spectra/specs-2019Jun18-10.14.36 > MIDAS will be switched to online mode with the change in degrader setting > > 10.33 DAQ stop > AIDA file RIBF147/R2_566 > > OH/AA/SN add 0.3mm Al degrader to Pb wall immediately upstream of the (CH2)n shield > > 10.35 Julabo FL11006 chiller set point +20 deg C actual +20.0 deg C > Water level c. 50% M-H markers > Temperature +24.1 deg C dew point +9.7 deg C RH 39.8% > > 10.39 DTAS starts file 98 > BigRIPS run 2042 > AIDA on file R2_567 > > 11:06 Implantation events for the 2nd setting with 0,3mm Al plate - attachments 17-19 > > FEE64 Rate spectra - attachment 20 > FEE64 HitRate spectra - attachment 21 > > 1.8.L spectra - see attachments 22-25 > nnaida1 73 ch FWHM, nnaida3 77 ch FWHM - cf. 73 & 78 ch FWHM respectively 10.41 yesterday > 1.8.H spectra - see attcahments 26-27 > p+n FEE64s 1.8.W spectra 20us FSR - attachment 28 > n+n FEE64s 1.8.W spectra 20us FSR - attachment 29 > > 11.30 Check ASIC Control all FEE64s & ASICs > > zero all histograms > zero DAQ stats > > 11.50 analysis of RIBF147/R2_576 > deadtime all FEE64s <<1% > no timewarps > > 11.57 ADC data synchronised - attachment 30 > per FEE64 ADC data / 20.48us - attachment 31 > > 12:39 DTAS and BigRIPS stop runs > AIDA on file R2_585 > > DTAS file 101 > BigRIPS run 2043 > AIDA on File R2_585 > > 13:23 System wide checks ok > > 14:38 DTAS and BigRIPS stop runs > AIDA on file R2_683 > > OH offline analysis of BigRIPS-implant correlations for previous 2h indicates >90% of 100Sn are > now in DSSSD#2 with small d=fraction remaining in DSSSD#3 > > 100Sn setting, 0.3mm Al degrader > > ASIC settings 2019Jun13-08.56.35 > DSSSD#1 slow comparator 0xa -> 0x1d > DSSSD#2 slow comparator 0xa -> 0x8 > DSSSD#3 slow comparator 0x8 -> 0xa > > DAQ stats before & after chn age of slow comparator thresholds above - see attachments 33 & 34 > before 11x <20k 21x <50k 24x <100k cf after 11x <20k 22x <50k 23x <100k > merger 664k items/s cf 560k data items/s > > 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 > > 15.03 DAQ start > AIDA file R2_606 > DTAS file 104 > BigRIPS run 2044 > > Encoding: HTML ELCode plain Suppress Email notification

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