[d2n-analysis-talk] Double Peaks in LHRS Cerenkov TDCs?

[Brad Sawatzky]

On Sat, 28 Nov 2009, David Flay wrote:

> I'm determining my TDC peak positions so I may use them to determine good
> electrons the Cerenkov (to look at detection efficiency of the PR), and
> I've noticed a double peak nature to most of my GC TDCs... this looks
> strange...  Plot is attached -- there are trigger cuts applied here as
> well, which is why I'm a bit confused here.

You probably want to replot with finer binning -- the attached plot is
pretty coarse and might be hiding some structure that will help us
interpret what's goig on.  Also, see if you can determine if there's a
correlation between a given peak and one of the trigger paddles.

-- 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
The most exciting phrase to hear in science, the one that heralds new
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