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AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
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AIDA |
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Message ID: 241
Entry time: Fri May 27 06:38:27 2016
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Author: |
TD, AE & CG |
Subject: |
Friday 27 May 2016 |
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14.30 DSSSD stack moved upstream to position DSSSD#3 at centre of EURICA.
Initial tests of detector bias with DSSSD #1-6 were Ok. Unfortunately we were unable to bias
DSSSD #7 obtaining either open or short circuit depending on which of the two p+n junction
side and n+n ohmic side detector bias bus lines we connected to.
Demonstrated that short circuit was upstream, of AIDA adaptor PCB by disconnecting Kapton
LH couplers.
Remove DSSSD stack and replace DSSSD #7. In progress.
15.50 Startup AIDA with DSSSDs disconnected
Temperatures & firmware version - see attachment 1
AIDA SYNCs - attachment 2
System wide checks - attachments 3-6 - note persistent nnaida19 ASIC clock and SYNC errors
Statistics nnaida19, 20 - attachments 7-8
nnaida19, 20, 27 & 28 hit pattern and waveform spectra - see attachments 9-13
Some nnaida19 system wide errors above and noisy ASIC#4 hit channel for nnaida28 - otherwise OK |
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