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Thu Nov 14 22:31:41 2024
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<p> <table width="98%" align="center" cellspacing="1" style="border:1px solid #486090;"> <tbody> <tr> <td cellpadding="3px" style="background-color:#486090; font-weidht:bold; color:white;">Mike Bentley wrote:</td></tr> <tr> <td cellpadding="10px" style="background-color:#FFFFB0;"><p>Ran all night OK, currently 14epA, H2 stable, DAQ stable</p> <p>ISSUES:</p> <p>1. Analysis of S4200 in offline sort lead to conclusion that specttrum is dominated by protons, 8MeV punchthrough visible??.Not many events at high energies, where Alex MC predicts them to be.</p> <p>2.Noticed that 3 channels in particular in S2-2 have very high rates. All in same bank - can we raise thresholds? Strips 34,36,46 in S2-2, we think (from mapping in sort code)</p> <p>3. The loci in the E vs T spectrum are (a) still aparrently upside down from what expected and (b) very wide in time. There is also a suspiciously sharp edge to the timing peak. Look at eny E vs T loci in the sort</p> <p>4.Been sorting over night - nearly caught up.</p> <p>We looked a run (54) from the first H2 run at 4.4 MeV/u and compared with the current data. The The S4200 spectrum and the E vs T loci look exactly the same.</p> <p> </p> <p> </p></td> </tr> </tbody> </table> </p><p> </p>
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