ELOG AIDA

AIDA GELINA BRIKEN nToF CRIB ISOLDE CIRCE nTOFCapture DESPEC DTAS EDI_PSA 179Ta CARME StellarModelling DCF K40

AIDA

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Entry time:

Sat Jun 1 08:11:15 2019

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16.08 Julabo FL11006 chiller set point +20 deg C actual +20.0 deg C
      Water level c. 60% M-H markers - topup to 100% with 1x jugful water
      Temperature +25.7 deg C dew point +7.7 deg C RH 31.4%

DAQ continues OK

ASIC settings 2019May19-17.54.03
      slow comparator 0xa

BNC PB-4 Pulser 
      Amplitude 90,000
      x5 attenuator IN
      Frequency 25Hz range
      t_r 100ns, tau_d 50us
      - polarity
      Delay MIN, tail pulse

14.14 all system wide checks OK *except* nnaida7 fails ADC calibration

detector biases & leakage currents OK - see attachments 1 & 2

FEE64 temperatures OK - see attachment 3

Check ASIC Control *all* FEE64s & ASICs

good event statistics OK - see attachments 4
      11x <20k, 19x <50k, 21x <100k - cf. 10x <20k 21x <50k 24x <100k yesterday

Merger OK - see attachment 5
      TapeServer OK - see attachment 6

FEE64 Rate spectra - attachment 7
      Check ASIC Control
      FEE64 ASIC
      1     4
      10    1
      13    1
      14    1
      14    2
      22    3
      FEE64 Rate spectra - attachment 8 - some channels recovered

1.8.L spectra - see attachments 9 & 10
      nnaida1 77 ch FWHM, nnaida3 82 ch FWHM - cf. 74 & 78 ch FWHM respectively yesterday
      p+n FEE64s 1.8.W spectra 20us FSR - attachment 11
      n+n FEE64s 1.8.W spectra 20us FSR - attachment 12
      FEE64 Rate spectra - attachment 9

DAQ continues OK

ASIC settings 2019May19-17.54.03
      slow comparator 0xa

BNC PB-4 Pulser 
      Amplitude 90,000
      x5 attenuator IN
      Frequency 25Hz range
      t_r 100ns, tau_d 50us
      - polarity
      Delay MIN, tail pulse

17.03 ADC data synchronised - attachment 13

2x Pb blocks placed lengthways in aperture of the upstream (CH2) shield removed

c. 8cm (1x std width) Pb thick Pb wall immediately downstream of F11 remains in position

check light ions when beam returns and online group changes target

18.16 AA reports F11 rate c. 2.5kHz
      AIDA plastic rate c. 2.4kHz

online sort sampling small fraction of data so write to disk and analyse all offline

18.22 zero all spectra
      Check ASIC Settings *all* FEE64s & ASICs

DAQ start file May19/R15

light ion background?

ASIC settings 2019May19-17.54.03
      slow comparator 0xa

BNC PB-4 Pulser 
      Amplitude 90,000
      x5 attenuator IN
      Frequency 25Hz range
      t_r 100ns, tau_d 50us
      - polarity
      Delay MIN, tail pulse

good event statistics OK - see attachments 4
      11x <20k, 19x <50k, 24x <100k - cf. 11x <20k 19x <50k 21x <100k earlier

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Attachment 1: