ELOG DESPEC

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

DESPEC

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Entry time:

Thu Mar 12 08:04:24 2020

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ASIC settings 2019Oct31-13.24.23
     slow comparator 0xa

BNC PB-5 pulser
     amplitude 1.0V , attenuator x1
     frequency 2Hz
     decay time 1ms

09:00 Bias and leakage currents ok - attachment 1
      Statistics ok - attachment 2
      FEE temperatures ok - attachment 3
      System wide checks all ok

09:08 No beam, not sure exactly how long it has been down.
      FRS team are working on it

09:28 still no beam. issues with SIS. 
      DAQ set to NoStorage mode
      most recent file R7_522

10.27 beam is back
      writing to file R9_0

10.43 attachment 4 - hit rate spectra

11:09 all system wide checks ok
      FEE64 temps ok - attachment 5
      good event statistics ok - attachment 6
      detector bias and leakage currents - attachment 7

11.18 merger ok, ~ 2.7 million data items per second
      TapeServer ok, ~ 25 Mb/s data rate
      Data forwarding to MBS ok

11.20 writing to file R9_39

11.22 beam off

11.24 beam back online (R9_42)

11.41 FRS has reverted to an older setting

13:04 hit rate spectra - attachment 8

13:19 all system wide checks ok

13:30 FEE64 temps ok - attachment 9

good event statistics ok - attachment 10

detector bias and leakage currents ok - attachment 11

15:31 good event statistics ok - attachment 13

detector bias and leakage currents ok - attachment 14

FEE64 temps ok - attachment 15

all system wide checks ok

beam seems to have stopped during 2pm meeting

15.35 TapeServer ok, data rate ~ 23 Mb/s

Merger ok, rate of 2.5 - 3 million data items per second

data forwarding to MBS ok

15.38 AIDA writing to file R9_233

16:02 beam back - AIDA writing to file R9_250

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200312_0902_bias.png Original size: 501x334

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