Soffer's inequality and the transversely polarized Drell-Yan process at next-to-leading order
O. Martin, A. Schaefer, M. Stratmann, W. Vogelsang
Abstract
We check numerically if Soffer's inequality for quark distributions is preserved by next-to-leading order QCD evolution. Assuming that the inequality is saturated at a low hadronic scale we estimate the maximal transverse double spin asymmetry for Drell-Yan muon pair production to next-to-leading order accuracy.
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