<p><strong>RUN 46- started at 00:50</strong></p>
<p>Horizontal beam position = 4.0 mm, vertical beam position = -5.0 mm.</p>
<p>Detectors are Left arm OUT = 36.64, right arm IN = 64.60 mm</p>
<p>Injection at ca. 6E7</p>
<p>Target density 6-7E9</p>
<p>-----</p>
<p><strong>00:51</strong></p>
<p>Merger OK, Tape server OK</p>
<p>ADC data item statistics looks as before. OK</p>
<p>FEE temperatures look OK</p>
<p>System checks OK</p>
<p>Leakage current stable</p>
<p>Attachments 1-2</p>
<p><strong>01:19</strong></p>
<p>Attachments 3-4 waveforms. DSSD0 stats fine</p>
<p><strong>01:33</strong></p>
<p>DSSD0 stats fine</p>
<p>Attachments 5-6 spectra and xy, but I am not sure at which time these are cause I am stupid and apparently the AIDAsort code was not running....</p>
<p><strong>01:56</strong></p>
<p>Restarted the AIDAsort code and noted that<em><strong> stats in DSSD0 were bad again. Another shake.</strong></em> This time no change to the beam on my side.</p>
<p><strong>2:43</strong></p>
<p>All checks fine. Attachments 7-10 (also spectra)</p>
<p><strong>4:01</strong></p>
<p>Notice <em><strong>stats on DSSD0 went bad again</strong></em>. Attachment 11. Gave detector a shake.</p>
<p>Now all system checks OK (Attachements 12-14)</p>
<p><strong>4:19</strong></p>
<p>Just noticed target is oscillating a bit, hitting 1E10. I moved it further in X and Y. Seems to not go below 6E9 in any case.</p>
<p>NOTE: target was on at x=-19899 y=500.</p>
<p><strong>5:17</strong></p>
<p>Merger OK, Tape server OK</p>
<p>ADC data item statistics looks as before. OK</p>
<p>FEE temperatures look OK</p>
<p>System checks OK</p>
<p>Leakage current stable</p>
<p>Attachments 15-18 (also waves)</p>
<p><strong>5:53</strong></p>
<p>Notice <em><strong>stats on DSSD0 went bad again</strong></em>. Gave detector a shake.</p>
<p><strong>6:10</strong></p>
<p>Stats ok in attachment 19, but</p>
<p>Noticed DSSD3 has started to get only a fate of 140 nstead of previous 5500is (similar to what DSSD2 has done earlier- see previous elog). Attachment 20 for the rates.</p>
<p>I have therefore made the Check ASIC control test from the ASIC control tab- attachment 21 with results.</p>
<p>DSSD3 back to normal operations - attachment 22</p> |