[d2n-analysis-talk] Fwd: LHRS Scintillator Calibration Study

[David Flay]

On Thu, Mar 4, 2010 at 11:09 PM, David Flay <flay at jlab.org> wrote:

> These are the cuts I use:
>
>            //one track from the target
>            cut0 = Form("(L.tr.n==1)");
>            //trigger cuts
>           cut0 +=
> Form("&&(DL.edtpl==0)&&((DL.evtypebits&(1<<3))==(1<<3))");
>
> I've always used this trigger cut, and I haven't seen any structure that
> looked 'odd' until now... For comparison, here's a comparison of run 20263
> (p = 1.42 GeV, 5-pass) and run 20207 (p = 1.70 GeV, 5-pass)... strange.
> Notice how the band becomes more prominent at higher p.
>

I tried removing the trigger cuts all together -- and it doesn't change the
plot -- is there something wrong with my code??


-- 
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David Flay
Physics Department
Temple University
Philadelphia, PA 19122

office: Barton Hall, BA319
phone: (215) 204-1331

e-mail: flay at jlab.org
           flay at temple.edu

website: http://www.jlab.org/~flay
             http://quarks.temple.edu
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