AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
CARME
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Entry time:
Sun Feb 18 13:10:18 2024
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DSSSD 0 aida01 1*L spectra, aida04 **L spectra Double peak structure feature of aida04 ( n+n Ohmic side ) strips. Single ( albeit sometimes broad peak ) observed in aida01 ( p+n junction side ) strips. Not currently observed by DSSSD 1-3. DSSSD 0 high energy peak rate far higher than DSSSD 1-3. Data from last week did not display this double peak but DSSSDs and beam have been moved since. Unclear whether this reflects radiation damage and/or wafer/active area edge effects on the n+n side. Might also reflect beam characteristics throughout cycle. Requires calibration and dE cut to investigate. JM comment -> early time cut analysis indicates this is a beam effect. DSSD#0 has majority of halo on it so double peak is very pronounced. We observe double peak all DSSDs just to a much lower level.
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