Re: [BLAST_SHIFTS] Cerenkov boxes hardware OR'ed for trigger

From: Octavian F Filoti (ofiloti@cisunix.unh.edu)
Date: Wed Nov 26 2003 - 13:28:03 EST


The change is in efect for cosmics when we require CC's with the TOF's!

-----------------------
Octavian F Filoti
Nuclear Physics Group
Univ. of New Hampshire
9 Library Way
Durham, NH 03824
phone: (603)862-1691
FAX: (603)862-2998
email: ofiloti@unh.edu

On Wed, 26 Nov 2003, Karen Dow wrote:

>
> Several weeks ago, I hardware OR'ed the Cerenkov boxes for each sector, so
> now only bit 11 of each sector MLU is used for the Cerenkov. Bits 10-13
> used to be used; bit 10 will be used in the future for the BATs.
>
> There was no need to change any trigger .settings files, as the Cerenkov
> bits were always X'ed. There was never a requirement that a certain
> Cerenkov fired for a given TOF. The change should be transparent; this
> note is just for posterity.
>
> Karen
>



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