[BLAST_ANAWARE] strange flasher timing

From: Peter Karpius (karpiusp@einstein.unh.edu)
Date: Sat Apr 24 2004 - 06:26:07 EDT


Looking in to the work-around for missing fibers, I have found what, at
first, seems to be an odd behaviour in two channels. It seems that there
is a shift in flasher timing but not in physics timing. See the attached
plot of right sector bot tdcs. This is a plot of raw tof tdc for
eventclass = 1 (LR hits) || eventclass = 8 (flasher). In channels Rbot3
and Rbot11 it looks as if the flasher moves independent of the physics.
Now, of course, this is not true, and I have made no cuts, but why shoud
these channels look so different from the rest? I will continue to look
into this-

                                                Pete

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Pete Karpius
Graduate Research Assistant
Nuclear Physics Group
University of New Hampshire
phone: (603)862-1220
FAX: (603)862-2998
email: karpiusp@einstein.unh.edu
http://pubpages.unh.edu/~pkarpius/homepage.htm
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rawtdc6349.gif



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