Tuda logbooks
General
E1104
ISACII
E1195
E1103
E1147
S1287
S1203
S1233
S1284
S1447 23Na(a,p)
S1540
S1381
S1847 Catania
S1287
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Entry time:
Wed May 25 07:09:17 2011
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<p>Running status</p> <p>Everything seems to be running OK. ADC and TDC spectra look OK. Chamber pressure has stabalised. Detector leakages stabalised</p> <p>Beam now up to 60pnA with trigger rate about 4,000/s and accepts about 3,000/s</p> <p>Have spent some time looking at sorted spectra and put notes in the runbook, along with a copy of an email from Tom with some suggestions. Need someone who can change the sort programme. The key is probably in getting the plot of Tdiff vs Esum calibrated [Tdiff is time difference between S2-1 and S2-2 signals and Esum is the sum of their energies]. The problem is that the TDC signals have not yet been lined up. We also need to understand the features we see in the E vs t plots, including the puzzeling feature that one of the loci has its "blob" of events at a different energy than the others.</p> <p>My feeling is that we should continue to run ast this energy, while continuing to refine the sort to try and confirm we can select out the (a,p) events of interest.</p> <p>Worth thinking as to whether we should take more beam (it is available.</p> <p> </p>
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