ar X iv : h ep - e x / 02 11 06 8 v 1 2 7 N ov 2 00 2 Analyzing Powers for Forward p ↑ + p → π 0 + X at STAR
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چکیده
Preliminary results of the analyzing power for the production of forward, high-energy π 0 mesons from collisions of transversely polarized protons at √ s = 200 GeV from STAR are presented. The kinematic ranges covered by the data are x F ≈ 0.2 − 0.6 and p T ≈ 1 − 3 GeV/c. The analyzing power at √ s = 200 GeV is found to be comparable to that observed at √ s = 20 GeV.
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تاریخ انتشار 2002