Effect of polarized gluon distribution on spin asymmetries for neutral and charged pion production
Abstract
A longitudinal double spin asymmetry for π0 production has been measured by the PHENIX collaboration. The asymmetry is sensitive to the polarized gluon distribution and is indicated to be positive by theoretical predictions. We study a correlation between behavior of the asymmetry and polarized gluon distribution in neutral and charged pion production at RHIC.
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