[BLAST_SHIFTS] shift summary 5/20/2005 B shift (From Renee)

From: Karen Dow (kdow@mit.edu)
Date: Mon May 23 2005 - 09:08:47 EDT


>Subject: [BLAST_SHIFTS] shift update
>Date: Fri, 20 May 2005 15:37:27 -0500
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>Thread-Topic: shift update
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>From: "Fatemi, Renee Hutchins" <rfatemi@indiana.edu>
>To: <blast_shifts@rocko.lns.mit.edu>
>X-OriginalArrivalTime: 20 May 2005 20:37:28.0135 (UTC)
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>
>6.5M events taken in runs 15154-16161
>
>Only problem was periodic oscillation of ligit between 1x10-7 and
>1x10-8 range. Please see log entry 36143 for details. This now seems to
>be 100% correlated with beam fill and dump. To my knowledge the mechanism
>causing this is still unknown.
>
>Unrelated, the accelerator was down for 1 hr to exchange power supply for
>a klystron.
>
>
> Renee



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