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Re: question about background rates in BCAL



On Sun, 10 Feb 2008, Alex Dzierba wrote:

Dear Alex,


> Dear All
>
> I want to include some discussion of e.m. background rates for BCAL.
> Can someone point me to where I can find the most current
> calculations?   I need figure(s).

just a small remarks as the BCal sits radially so far outside, the rates
from EM must be very low. The rates in all the detectors have dropped
really a lot after the material in the FDC has been so reduced.
So I'm not sure this is really very important.
Examples of the rates befor and after is in
http://www.jlab.org/Hall-D/reviews/FDC_Mini_Review_Feb08/Final%20Talks/DCReview_Simulation.pdf

cheers elke



>
> I decided to include the discussion of the SiPM dark rate affect
> on threshold energy in the BCAL section.  I am working on that now
> along with going over the discussion of the photoelectron yield.
>
> Alex
> --
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Alex R. Dzierba
> Chancellor's Professor of Physics (Emeritus)
> Department of Physics / Indiana U / Bloomington IN 47405 / 812-855-9421
> JLab Visiting Fellow
> Jefferson Lab / 12000 Jefferson Ave / Newport News, VA 23606 / 757-269-7577
> Home Phone: 812-825-4063  Cell:  812-327-1881  Fax: 866-541-1263
> http://www.dzre.com/alex
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>

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