[d2n-analysis-talk] T2,T6 time walk

Brad Sawatzky brads at jlab.org
Tue Mar 23 19:20:59 EDT 2010


On Tue, 23 Mar 2010, MATTHEW R POSIK wrote:

> I am looking at run 2060 for both the TDC T2 timing correction and for
> the 3He 4-pass run that has mostly one track events. The plot I have
> here of run 2060
> 
>   http://jlab.org/~posik/d2n/BB/tracks/4pass_tracks.png
> 
> Has no cuts. I just plotted the BB.tr.n variable. But if I put a T2
> cut on it, the one track events are still small compared to the
> 0-tracks.

OK, that suggests to me that there is likely a problem with the track
reconstruction code.

-- Brad

-- 
Brad Sawatzky, PhD <brads at jlab.org>  -<>-  Jefferson Lab / Hall C / C111
        Ph: 757-269-5947        -<>-        Fax: 757-269-5235
The most exciting phrase to hear in science, the one that heralds new
  discoveries, is not "Eureka!" but "That's funny..."   -- Isaac Asimov


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