 Fri Nov 1 09:30:17 2019, NH, Database error stopping run? 
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Strange error about Database options appearing during run stop.
Does not seem to affect stopping/starting/data? |
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Mon Nov 4 08:48:18 2019, NH, Alpha Status 04.11.2019
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Alpha run has been running over the weekend. Stats looking positive with notable exception that aida10 is not sending much data. Will attempt a powercycle.
Temperatures and Leakage Currents very good to excellent
Noted that the slow rate of aida10 seems to be slowing down the rate data is sent to tape - perhaps being buffered until an ADC event arrives? |
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Mon Nov 4 13:17:12 2019, NH, Report: aida10 database corruption
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Often aida10 database seems to get corrupted (ASIC values are all 0xad)
Unsure why it's only aida10, might be related to weird alpha rate behaviour at the moment.
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Mon Nov 11 10:34:19 2019, NH, Alpha Analysis (11.11.19) 9x
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Analysis of approx 20GB of data since Thursday night (not continuous - estimate of hours incominG)
Figures 1-3: Energy Front vs Energy Back (No F-B energy gate)
Figures 4-6: 2D hit pattern |
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Wed Nov 13 15:38:20 2019, NH, [HowTo] MBS for AIDA (Nov 19)
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For MBS integration AIDA forwards its data to an MBS Foreign Data Receiver (FDR), currently the PC assigned for this task is x86l-94.
To start the MBS system do the following:
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Fri Nov 22 08:55:31 2019, NH, Waveforms
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| AIDA Waveforms immediately after beam at 21.11.19 8am or so. |
 Mon Nov 25 13:25:51 2019, NH, Waveforms
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> AIDA Waveforms immediately after beam at 21.11.19 8am or so.
Update 25.11.19 with all FEE64 waveforms added
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Wed Nov 27 16:33:50 2019, NH, New Bias & Waveforms
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HV core (-160 V) now attached to bottom 3 FEEs (with grounded kapton)
DSSDs bias OK, leakages unchanged
No appreciable change in waveforms |
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Wed Dec 11 10:58:52 2019, NH, Initital Dec. Analysis 11x
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Fig 1: 2D hit pattern of each AIDA DSSD for MBS run 24 (40Ar primary beam, centred)
Low statistics in DSSD2 partly due to low energy deposition
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Wed Dec 18 02:44:27 2019, NH, 17.12.19, 18.12.19 7x
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Beam: 238U (850 MeV/u)
Fragment: 168Re
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Fri Dec 20 10:19:29 2019, NH, Alpha Analysis (Pre Run)
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AIDA Unpacker Analysis |
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Wed Jan 15 14:53:41 2020, NH, AIDA Noise 14.01.2019 6x
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Checking noise
DESPEC crate entirely offline except:
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Mon Jan 20 14:01:23 2020, NH, AIDA Noise 20.01.2019 6x
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> Checking noise
>
> DESPEC crate entirely offline except:
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Wed Jan 29 12:22:13 2020, NH, aida10 troubleshooting
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aida10 has no ASIC events when running without pulser
DSSD ribbon cable was replaced, no change
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Wed Jan 29 19:09:51 2020, NH, aida10 troubleshooting
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> aida10 has no ASIC events when running without pulser
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> DSSD ribbon cable was replaced, no change
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Fri Feb 14 12:50:29 2020, NH, AIDA Noise 14.02.2020 6x
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Electricians changed the grounding for the DESPEC platform to a large pillar that goes deep into soil
Change in grounding was apparently successful at reducing the noise complaints in Cave C (R3B)
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Mon Feb 17 09:48:34 2020, NH, Report: aida09 Kernel Panic & Lost WR
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aida09 crashed over the weekend and automatically rebooted.
After the reboot the WR timestamp sent to the merger is in the future and hence incorrect
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Fri Feb 21 09:21:10 2020, NH, (Early) Alpha Analysis
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Overnight alpha data
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Tue Feb 25 09:55:59 2020, NH, HV Scope Traces 10x
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Looking at the HV bias in a scope to see if it is the source of noise especially on the p+n side
Channel 1: HV Core channel 4
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Sat Feb 29 10:56:38 2020, NH, Alpha Hit Pattern
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Circa 700 GB of data
A few channels in DSSD 1 missing? Otherwise seems OK |