Re: [BLAST_ANAWARE] timing, trigger bug and tdc offsets

From: Peter Karpius (karpiusp@einstein.unh.edu)
Date: Fri Jul 11 2003 - 23:41:29 EDT


Tancredi-

        Does this apply to when you start the trigger or only to when you
make changes? I.e. when you open the gui for the first time does
"download all" suffice?

                                Pete

On Fri, 11 Jul 2003, Tancredi Botto wrote:

>
> Hello,
> I've found a bug in the trigger gui. Depending on how the file is
> downloaded the CFD retime delays are actually not updated (note their
> are not necessarily zeroed). You have to do download form each delay
> window (download all or trig -d don't do it). It seems a software problem.
>
> The problem could have been there since last year. There are two
> consequences for our data, but probably not terrible:
>
> _ the Wch may have not been always retimed (to the tune of a few ns, 20
> ns max) which is an issue for resolutions.
>
> - The Tof timing corrections may not have been applicable since they
> somehow "contained" this delay (this is a separate issue and hopefully
> is solved differently)
>
>
> --
> ________________________________________________________________________________
> Tancredi Botto, phone: +1-617-253-9204 mobile: +1-978-490-4124
> research scientist MIT/Bates, 21 Manning Av Middleton MA, 01949
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
>

----------------------------------------------
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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