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d 3 !/dMd! 3d! 4 [pb/GeV]<br />
10 5<br />
10 4<br />
10 3<br />
10 2<br />
10<br />
1<br />
d 3 !<br />
dMd! 3d! 4<br />
STAR Run-6<br />
2006 Cross Section<br />
Systematic Uncertainty<br />
Theory<br />
Dijet Cross Section<br />
pp @ 200 GeV<br />
Cone Radius = 0.7<br />
max(p T) > 10 GeV, min(p T) > 7 GeV<br />
-0.8 < ! < 0.8, |!!| < 1.0<br />
|!!| > 2.0<br />
NLO pQCD + CTEQ6M<br />
Had. and UE. Corrections<br />
STAR Preliminary<br />
! !<br />
Ldt = 5.39pb!1<br />
30 40 50 60 70 80 90<br />
Mjj [GeV]<br />
Tai Sakuma, Thesis, MIT (2010)<br />
✦ Unpolarized differential cross<br />
section between 24 and 100<br />
(GeV/c 2 )<br />
✦ NLO theory predictions using<br />
CTEQ6M provided by de<br />
Florian with and without<br />
corrections for hadronization<br />
and underlying event from<br />
PYTHIA<br />
✦ Statistical Uncertainties as<br />
lines, systematics as rectangles<br />
STAR Matthew Walker, MIT<br />
April 12, 2011<br />
SPIN 2011<br />
12
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