Polarized photoproduction of large-pT hadron pairs as a probe of the polarized gluon distribution
Abstract
Production of large-pT hadron pairs by polarized photon on a longitudinally polarized proton towards probing the polarized gluon distribution is studied. Resolved photon contributions and the effect of changing the scales are taken into account, and predictions are presented. A very recent experimental result at c.m. energy 7.18 GeV is compared to our predictions extented down to this energy. A proper combination of cross sections is also considered.
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