<p>As run 66, optimisation of beam completed</p>
<p>DSSD4 now working and thresholds to 0x30 (480keV), switched to LEC</p>
<p>Tape service at 1.7MB/s</p>
<p><strong>Did NOT reset the root histograms!!</strong></p>
<p> </p>
<p><strong>11:30</strong><strong> </strong>All checks OK</p>
<p><strong>13:48</strong> All checks OK</p>
<p><strong>15:15,</strong> fULL CHECK, STATUS - Okay. Target density ~2E12</p>
<p><strong>16:15</strong> All Checks OK. Target 2.9e12</p>
<p><strong>17:30</strong>, Full check! status - okay. target 2.3e12</p>
<p><strong>18:30</strong> All Checks Ok</p>
<p><strong>19:30</strong> All Checks OK</p>
<p><strong>21:30</strong>: All System Checks OK but targte density started dropping around 8:20. Tried to move the nozel but any x direction made it drop alot and y did nothing. Values hovering steadily between 1.1e12 to 1.4e12. Will try and move nozel again in 1 hour.</p>
<p><strong>22:40:</strong> Full check, Status -okay! thickness 1.4E12. For more details look at the attchments</p>
<p><strong>00:55</strong>: Full check. All looks okay!</p>
<p><strong>03:55</strong>: Full check. All looks good!</p>
<p>06:28 Checks OK. Target density has dropped and is ~9e11 at/cm2. It will require some attention this afternoon</p>
<p>07:00 Run stopped. Final histogram attached. Number of counts somewhat obscured by background level.</p> |