[d2n-analysis-talk] Beta vs. Track-x, RF time

[David Flay]

On Wed, May 26, 2010 at 5:15 PM, Brad Sawatzky <brads at jlab.org> wrote:

>
> Move your tracking cut to overlap the boundary between two paddles.
> That will enhance the "two-paddle" events that you need to do the
> calibration.
>
> > I'm gonna take a closer look at what you've mentioned, as my
> > central-region cut theory breaks down pretty quickly -- I have code
> > to create 'virtual paddles' to look at the overlap; but maybe it's
> > better/easier to implement the cuts you mentioned -- looking at events
> > that fire neighboring paddles -- I was thinking requiring both TDCs to
> > fire, as opposed to a geometrical cut, as the geometrical cut doesn't
> > necessarily require both paddles to fire.
>
> You should do both to get the best sample.
>

I have plots of these 'virtual' histograms -- I'll put them in my talk for
tomorrow



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David Flay
Physics Department
Temple University
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           flay at temple.edu

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