AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
CARME
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Entry time:
Tue Jun 11 08:34:50 2024
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<p>New run 61</p> <p>Right arm at 64.60 mm</p> <p>Left arm IN at 36.54 mm</p> <p>MBS working - hopefully</p> <p>Target 4E11</p> <p>Injection ca. 3E7</p> <p>horizontal beam position 8.75 mm</p> <p>vertical beam position -5mm</p> <p>Changed electron cooler set point to 244.95 V</p> <p>Read value 244.4 V</p> <p>Collector current 4.31A</p> <p>Histograms and statistics zero'd. Code reset</p> <p>Rates OK. Temps OK.</p> <p>10:24</p> <p>We lost the beam for 5 minutes. No counting spike observed when we got it back.</p> <p>1L10</p> <p>We lost the beam again for 5 minutes, but no counting spike obsevered when we got it back.</p> <p> </p> <pre> 11:50 DSSSD bias & leakage current OK - attachment 1 FEE64 temperatures OK - attachment 2 ADC data item stats - attachment 3 per FEE64 Rate spectra - attachment 4 Beam intensity - ~ 3.3E7 pps Target density - 5.14E11 atoms/cm2</pre> <p> </p> <p>12:00 - 12:40</p> <p>Large fluctuations in the target pressure, going down to 1e-9. We increased the temperature a little but it did not solve the problem.</p> <p>Increased pressure 0.5 K more. Seems more stable</p> <p> </p> <p><strong>13:09</strong></p> <p>FEEs on det 2 stopped working. Checkloaded. Fixed.</p> <p>No beam.</p>
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