AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
AIDA
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Sat Mar 29 11:15:09 2025
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> > 09.18 SN changed degrader to 5.7mm Al (4mm + all variable degraders + additional 1mm) > > 09.24 R53 continues > > DSSSD#1 I_L to 8.16uA > FEE64 temps OK > Julabo FL11006 recirculating chiller OK - op temp +20 deg C > > Example HEC ADC spectra DSSSD #1-3 (attachments 1-12) > > 09.59 R53 ends > Beam off - problem with refrigeration plant for BigRIPS quads > > 10.39 FEE64 temperatures (attachment 13) > > 10.51 Check ALL ASIC Control parameters > > 11.15 Stat and Hit spectra for all AIDA FEE64 modules (attachments 14-15) > Illustrates common noisy channels for each FEE64 channels 1 & 55 of 0-63 > > > 11.28 R54 > Short run without beam, BNC PB-4 pulser frequency ~1Hz > > 12.55 R54 ends OK > > 14.00 Plot of leakage currents up to now included. > Gradual increase in all detectors over course of experiment. > Bias voltage on detector 1 (ch 1) increased to +150V at 0900 on 03/05, causing > an increase in I_L over preceding value. > > 16.00 Beam expected 21.00 > > 18.30 No beam. > HV ch 2 tripped (det 3) > Reset HV and observed expected leakage current > > 19.00 HV ch 1 also tripped. > Increased HV to +150V. Leakage current @ 8.02uA
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