Revision as of 19:20, 17 November 2016

November 17, 2016 Drift Chamber meeting

Connection

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 == Preparation for the fall 2016 run ==
-- Naomi: in the last days the temperatures in the CDC have drifted from their standard values. Nick prepared a plot attached above demonstrating this. Will discuss it with Tim. The noise in the CDC turned out to be a result of using different triggers: the noise disappeared once Naomi used the correct trigger type (code provided by Beni).
+- Naomi: in the last days the temperatures in the CDC have drifted from their standard values. Nick prepared a plot attached above demonstrating this. Will discuss it with Tim. The noise in the CDC turned out to be a result of using different triggers - the noise disappeared once Naomi used the correct trigger type (code provided by Beni).
-- Lubomir is analyzing the FDC data from the latest run 21050. Sasha excluded FDC6 and FDC11 for this run due to problems with them, but Cody tested them with his own code and they are fine, suspect software problem.
+- Naomi showed the effect of the alcohol on the CDC - increased total drift time by a little and increased amplitude (see link).
+- Fernando and Lubomir studied the noise in the Hall related to high trigger rates.
 - after the spring 2016 run, Beni stopped the alcohol to be mix in the gas for both CDC and FDC and will put it back next week.