<br><br><div class="gmail_quote">On Wed, Apr 20, 2011 at 3:22 PM, David Flay <<a href="mailto:flay@jlab.org">flay@jlab.org</a>> wrote:<blockquote class="gmail_quote">
<div class="gmail_quote"><div>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.</div>
<div><br></div><div>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. </div>
</div></blockquote><div><br></div><div>PS -- the units of this plot is pb/(MeV*sr). SAMC standard output is in nb, hence why I divided by 10^(-3). </div></div><br clear="all"><br>-- <br>-----------------------------------------------------------<br>
David Flay<br>Physics Department<br>Temple University<br>Philadelphia, PA 19122 <br><br>office: Barton Hall, BA319<br>phone: (215) 204-1331<br><br>e-mail: <a href="mailto:flay@jlab.org">flay@jlab.org</a> <br>
<a href="mailto:flay@temple.edu">flay@temple.edu</a><br><br>website: <a href="http://www.jlab.org/%7Eflay">http://www.jlab.org/~flay</a><br> <a href="http://quarks.temple.edu">http://quarks.temple.edu</a><br>
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