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Re: 4 (5?) bumps but a definite improvement



Blake,
I do not understand this expression below (ts7+tn8)/2+tphoton.  Why is 
it not (ts7+tn7)/2-tphoton?  I assume the subscript mismatch is a typo 
-- it says (ts8+tn8)/2+tphoton  on the wiki page -- but it puzzles me 
why you are adding instead of subtracting the tagger time.

Richard

Blake Leverington wrote:
> Hi David,
>
> I redid similar plots to what you did on April 4th but now using the 
> tagger as a reference time( i.e (ts7+tn8)/2 + tphoton ) and things 
> look much better. However... :) ...I can clearly see 4 bumps that I am 
> not sure where they are coming from. I sort of see gaps in the 
> tn8+tphoton:Ephoton spectra as if we're missing the t-counter there or 
> something.
>
> You can see the results here:
> http://www.jlab.org/Hall-D/software/wiki/index.php/BCal_Beam_Test_Plots%2C_April_6%2C_2007 
>
>
> -Blake
>
>
>
>
>

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