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East Barrel

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LL<br />

A<br />

<strong>East</strong> <strong>Barrel</strong> - <strong>East</strong> <strong>Barrel</strong> and West <strong>Barrel</strong> - West <strong>Barrel</strong><br />

0.08<br />

0.06<br />

0.04<br />

0.02<br />

0<br />

-0.02<br />

MC GS-C(pdf set NLO)<br />

2009 STAR Data<br />

Systematic Uncertainties<br />

20 30 40 50 60 70 80<br />

Run 9 Asymmetry<br />

2<br />

M [GeV/c ]<br />

LL<br />

A<br />

<strong>East</strong> <strong>Barrel</strong> - West <strong>Barrel</strong><br />

0.08<br />

0.06<br />

0.04<br />

0.02<br />

0<br />

-0.02<br />

Scale uncertainty<br />

GRSV std<br />

DSSV<br />

20 30 40 50 60 70 80<br />

<strong>East</strong> West <strong>East</strong> West<br />

2<br />

M [GeV/c ]<br />

20 30 40 50 60 70 80<br />

2<br />

M [GeV/c ]<br />

STAR Matthew Walker, MIT<br />

March 29, 2011<br />

Jet Meeting<br />

LL<br />

A<br />

0.08<br />

0.06<br />

0.04<br />

0.02<br />

0<br />

-0.02<br />

Full Acceptance<br />

√<br />

s = 200 GeV<br />

p + p → jet + jet + X<br />

STAR<br />

Preliminary<br />

18

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