 Fri Nov 1 18:09:03 2019, CA, TD, NH, Summary - 29.10-1.11.19
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> >
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> > - evidence of c. 1MHz extrinsic noise for most FEE64s
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 Mon Jul 21 13:01:19 2025, MP, Status 
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| Status before grounding checks |
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Tue Jul 22 17:00:26 2025, MP, CC, Status
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Test with shielded HV cables for both detectors.
The FWHM for ch1 is now 184 ch.
Yesterday cables for cards 5, 6, 10, 11, 12, 14, 16 were partially connected (only 1 out of 2 flat cables was in), now both are connected. |
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Thu Jan 24 10:26:09 2019, VP, TD, CA, NH, Start up Merger
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1) Click on item "Merger MK2" in top panel
This kills any existing Merger existence and loads a new copy.
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Sat Apr 24 04:50:01 2021, ML, Spectra 8x
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| Some screenshot of spectra attached |
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Fri Oct 24 14:33:37 2025, JB, GB, MP, AM, Snout grounding, bias and test input layout as of 24.10.2025
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Thu Mar 21 15:45:48 2019, NH, AS, SA, MP, Snout Mounting & DSSD Bias
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The AIDA snout (with single DSSD and plastic) has been mounted in S4 cave again. DSSD was connected to the outer 4 FEEs again.
-160 V Bias applied and DSSD holds voltage with leakage current of around 1.3 uA (was dropping as only biased briefly)
Bias off and FEEs offline again now as day nearly done. MBS testing will be performed shortly, as well as resolution checks. |
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Wed Sep 19 12:40:41 2018, OH, TD, Single DSSD Installation and Tests 21x
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On the 18th of September we installed DSSD 3208-14
Was found to have problems including exponential leakage behavior
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Mon May 2 09:52:20 2022, OH, Shifter checklist 2022
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Every 30 minutes:
- Reload statistics (Web browser tab screen 1, workspace 3)
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Fri Apr 16 11:42:45 2021, OH, Shifter checklist
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Every 30 minutes:
- Reload statistics (Web browser tab screen 1, workspace 2)
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Sat May 14 03:14:00 2022, PP, Shift Checks 8x
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4:13
AIDA stats OK
Leakage current OK |
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Wed Jul 23 13:59:37 2025, CC, NK, Shielding of the snout
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Attachment1: AIDA05.1.8L when AIDA05 connected, biased at 100 V with not-shielded cables, CAEN HT, after the base of the snout (screws) has
been connected to the ground via cupper sheets
FWHM: 76 channels (to be compared with the 2 previous elogs 73 channels and 75 channels) |
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Thu Oct 30 10:06:21 2025, MP, NH, Setup and data taking with 207Bi
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- Initialised the Merger and Tape server
- loading of settings: EXPERIMENTS/AIDA/2025Oct29-16.11.06
- aida16 very noisy (attachments 3,4), slow comparator thresholds was risen to 500 keV, until reducing its deadtime to 0 |
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Thu Oct 30 16:43:36 2025, MP, NH, Setup and data taking with 207Bi
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Data taking and DAQ stopped now (17.40)
Quote:
- Initialised the Merger and Tape server |
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Mon Dec 10 11:09:53 2018, CA, TD, Scintillator pictures/system checks for 07.12.18 14x
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11.12 System wide checks ok (attachment 1)
FEE temperatures ok (attachment 2)
bias/leakage currents ok (attachment 3)
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Fri Mar 12 23:56:00 2021, OH, Saturday March 13th 00:00-08:00 11x
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24:00 Joined in with TD to debug the dropout of AIDA05 - See https://elog.ph.ed.ac.uk/DESPEC/193
After both powercycles and telnet reboots we were still seeing 0 in the statistics but did note that the counter was > 0
The last check we did was a restart of the merger server. This solved the issue.
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Sat May 8 09:05:04 2021, TD, Saturday 8 May 27x
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09.54 FEE64 temperatures OK - attachment 1
ADC data item stats OK - attachment 2
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Sat Jun 8 13:22:36 2024, TD, Saturday 8 June 24x
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14.09 aida02 WR stall
DAQ STOP
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Sat May 7 09:55:53 2022, TD, Saturday 7 May 15x
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Attachments 1 & 2 per FEE64 1.8.L spectra
pulser peak widths aida01 121 ch FWHM, aida02 517 ch FWHM
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Sat Mar 6 06:52:06 2021, OH, LS, Saturday 6th March 30x
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07:50 Pulser settings - attachment 1
07:52 System wide checks all ok
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