[d2n-analysis-talk] SAMC and Acceptance Cut Studies

[David Flay]

On Wed, Apr 20, 2011 at 3:22 PM, David Flay <flay at jlab.org> wrote:
>
> 1. Determine the average cross section for the run: Plot the 1-D histogram
> of the cross section (see attached).  The mean of this histogram I take as
> the 'average'.  The biggest contribution to this curve is due to Eq. A83 of
> that paper I mentioned, which is the calculation of the radiative tail
> associated with quasi-elastic scattering using the peaking approximation.
>
> 2. When I make these plots (of the target and focal plane vars), I loop
> over event number, and get the cross section that was calculated for that
> event, and take the ratio sig_i/sig_avg as its weight when I fill each
> respective histogram.
>

PS -- the units of this plot is pb/(MeV*sr).  SAMC standard output is in nb,
hence why I divided by 10^(-3).


-- 
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David Flay
Physics Department
Temple University
Philadelphia, PA 19122

office: Barton Hall, BA319
phone: (215) 204-1331

e-mail: flay at jlab.org
           flay at temple.edu

website: http://www.jlab.org/~flay
             http://quarks.temple.edu
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