<br><br><div class="gmail_quote">On Wed, Apr 20, 2011 at 7:34 PM, <<a href="mailto:posik@jlab.org">posik@jlab.org</a>> wrote:<br><blockquote class="gmail_quote">
<br>
I am uncertain what dilution factor should be included in the<br>
asymmetries? Or if there is another way to go about getting the positron<br>
contamination?<br></blockquote><div><br></div><div>What about calculating a positron asymmetry? In general, couldn't you have:</div><div><br></div><div>A_tot = A_e(-) + A_e(+) </div><div><br></div><div>where A_tot = total electron asymmetry with some contamination, A_e(-) = electron asymmetry, A_e(+) = positron asymmetry. </div>
<div><br></div><div>I would think that calculating A_e(+) != 0 would indicate some level of contamination that could be subtracted off from your current electron asymmetry. </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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