Re: display of online impurity captures

[Claude Petitjean <claude.petitjean@psi.ch>]

Dear Fred,

thanks a lot for your fine addition! It comes just on time, since
we had today a first serious impurity discussion.

With best regards

Claude

Frederick Gray wrote:

>>Coming back to our last discussion at PSI, I like to
>>emphasize that we are indeed interested to get an upgraded
>>display of the online analyzed impurity capture events, with
>>statistical errors and perhaps a few consecutive runs combined
>>as to get error bars of reasonable size.
> 
> 
> Dear Claude et al.,
> 
> I have just implemented an improved version of the impurity capture plot
> which (a) groups together 15 consecutive runs, and (b) shows error
> bars on each point.  The error bars are statistical only; the "control"
> points (green) give an idea of the systematic background.  The new plot
> appears on the online analysis page just below the original version.
> It currently indicates a yield of about 14 +/- 2 ppm.
> 
> Thanks,
> 
> -- Fred
> 
> -- Fred Gray / Visiting Postdoctoral Researcher                 --
> -- Department of Physics / University of California, Berkeley   --
> -- fegray@berkeley.edu / phone 510-642-2438 / fax 510-642-9811  --