<br><br><div class="gmail_quote">On Wed, May 26, 2010 at 5:15 PM, Brad Sawatzky <<a href="mailto:brads@jlab.org">brads@jlab.org</a>> wrote:<br><blockquote class="gmail_quote">
<br>
Move your tracking cut to overlap the boundary between two paddles.<br>
That will enhance the "two-paddle" events that you need to do the<br>
calibration.<br>
<div class="im"><br>
> I'm gonna take a closer look at what you've mentioned, as my<br>
> central-region cut theory breaks down pretty quickly -- I have code<br>
> to create 'virtual paddles' to look at the overlap; but maybe it's<br>
> better/easier to implement the cuts you mentioned -- looking at events<br>
> that fire neighboring paddles -- I was thinking requiring both TDCs to<br>
> fire, as opposed to a geometrical cut, as the geometrical cut doesn't<br>
> necessarily require both paddles to fire.<br>
<br>
</div>You should do both to get the best sample.<br></blockquote><div><br>I have plots of these 'virtual' histograms -- I'll put them in my talk for tomorrow <br></div></div><br><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/~flay">http://www.jlab.org/~flay</a><br> <a href="http://quarks.temple.edu">http://quarks.temple.edu</a><br>-----------------------------------------------------------<br>
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