[BLAST_SHIFTS] L6

From: Douglas Hasell (hasell@MIT.EDU)
Date: Fri Aug 29 2003 - 10:03:11 EDT


I noticed in the recent shift reports that people have turned L6 down and
left it down. L6 is the most forward cells on the inner left chamber and
as such charges the most quickly. This is also the region with the highest
physics rate. So turning it off really affects the data.

L6 recovers after a while and can hold voltage. The procedure should be to
turn it down or off for a while and then try to bring it back up. Tripping
once or twice a fill is acceptable. Leaving it off for an entire shift is
not.

                                                  Cheers,
                                                          Douglas

26-415 M.I.T. Tel: +1 617 258 7199
77 Massachusetts Avenue Fax: +1 617 258 5440
Cambridge, MA 02139, USA E-mail: hasell@mit.edu



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