[d2n-analysis-talk] E/p Correction & Effects on Pion Rejection Efficiencies

Brad Sawatzky brads at jlab.org
Mon Dec 14 23:01:16 EST 2009


On Sun, 13 Dec 2009, David Flay wrote:

> >
> > What is your fit function for the pr_E_P_sig-p_12_11_09.png plot?
> >
> I just used a simple gaussian fit (built in to ROOT).  The fit is
> pretty close as it is.  However, I could imagine I could make the fit
> more exact by adding in exponentials for the tails of the
> distributions

That's not what I meant.  The referenced plot had some exponential(?)
curve fit to the points.  You commented on not understanding a negative
coefficient (I think).  What was that function?

-- Brad


-- 
Brad Sawatzky, PhD <brads at jlab.org>  -<>-  Jefferson Lab / Hall C / C111
  Ph: 757-269-5947 -<>- Pager: 757-584-5947 -<>- Fax: 757-269-7848
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  discoveries, is not "Eureka!" but "That's funny..."   -- Isaac Asimov


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