[Halld-pid-upgrade] DIRC bar dimensions and notes
Shepherd, Matthew
mashephe at indiana.edu
Tue Aug 21 13:52:45 EDT 2018
Hi all,
I've put Jerry's notes on DIRC bar dimensions here:
https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=3733
CAUTION: the numbering scheme Jerry uses is based on fabrication sequence. We have been typically referring to the bar boxes based on the sector in which they were installed in BaBar. We typically say we have bar boxes 0, 1, 10, and 11. These are, in Jerry's notes, boxes 7, 8, 10, and 12, respectively (as this is the fabrication order).
Of interest also in these notes are documented chips and bad edges. It may be useful, the next time the boxes are uncovered, to verify that the visible imperfections we see on some wedges and bars correspond to things in Jerry's notes.
Matt
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Matthew Shepherd, Professor
Department of Physics, Indiana University, Swain West 265
727 East Third Street, Bloomington, IN 47405
Office Phone: +1 812 856 5808
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