AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
CARME
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Entry time:
Fri Apr 4 17:18:21 2025
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<p>00:51</p> <p>Temperature setpoint = 116 K</p> <p>Detector position IN potentionmeter = 34.89mm</p> <p>Rutherford rate fluctuates, consistently above 100 counts peak height</p> <p>Merger OK</p> <p>Data rate = 1600 kb/sec</p> <p>Leakage current = 3.235 uA</p> <p>Temperatures OK</p> <p>System checks OK - wr fails</p> <p> Base Current Difference<br /> aida01 fault 0xab60 : 0xab8c : 44 <br /> aida02 fault 0x88d3 : 0x88fe : 43 <br /> aida03 fault 0x23aa : 0x23d6 : 44 <br /> aida04 fault 0x15d7 : 0x1603 : 44 <br /> aida05 fault 0x2f03 : 0x2f0f : 12 <br /> White Rabbit error counter test result: Passed 0, Failed 5</p> <p>Understand the status reports as follows:-<br /> Status bit 3 : White Rabbit decoder detected an error in the received data<br /> Status bit 2 : Firmware registered WR error, no reload of Timestamp<br /> Status bit 0 : White Rabbit decoder reports uncertain of Timestamp information from WR</p> <p>Avg ring pressure = 4.4 E-10 mbar</p> <p>01:18</p> <p>Rutherford rate showed sustained drop to below 10 counts peak level. E4 was also consistently down, fluctuating in the low -9 mbar range compared to -8 mbar range previously.</p> <p>Temperature increased to 125 K</p> <p>01:39</p> <p>Completed increase to 125k, drop to 95k and back to 116k. Rate has improved somewhat, however is still lower than before. Will monitor and see if any further change in temperature helps.</p> <p>01:48</p> <p>E4 pressures and rutherford rate remain low ~40 counts peak height. Decreasing temperature in 1k steps to see if any improvement.</p> <p>02:05</p> <p>Rates still low at decreased temperature. Setting to 140 K for 15-20 mins and then bringing back down.</p> <p>02:36</p> <p>Temperature brought back down, optimum temperature appears to be 118 K. E4 ~ 3E-9 mbar and rutherford rate is back around 100 counts peak heught.</p>
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