Energy dependence of the single spin asymmetries in inclusive pion production processes

2003/11/10 by Hui Dong, Fang-zhen Li, Zuo-tang Liang
Physics and Astronomy · #hep-ph

paper · pdf

published as Phys.Rev. D69 (2004) 017501 · submitted to Phys. Rev . D

arxiv created 2003/11/10 · arxiv updated 2009/12/01

Abstract

Recent data from E925 Collaboration at Brookheaven National Laboratory show a significant energy dependence of the single-spin left-right asymmetry in inclusive hadron production in hadron-hadron collisions. We analyzed the experimental results and show that the observed energy dependence can be reproduced naturally in the picture proposed in a previous Letter. We fixed all the parameters at the Fermilab E704 energy and calculate the asymmetry at the BNL E925 energy. We compare the results with the data and make predictions for experiments at even higher energies.

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