Transverse single spin asymmetry in Drell-Yan production in polarized pA collisions

J. Zhou

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

We study the transverse single spin asymmetry in Drell-Yan production in pA collisions with incoming protons being transversely polarized. We carry out the calculation using a newly developed hybrid approach. The polarized cross section computed in the hybrid approach is consistent with that obtained from the usual TMD factorization at low transverse momentum as expected, whereas at high transverse momentum, color entanglement effect is found to play a role in contributing to the spin asymmetry of Drell-Yan production, though it is a 1/Nc2 suppressed effect.
Original languageEnglish
Article number014034
JournalPhysical Review D
Volume92
Issue number1
DOIs
Publication statusPublished - 2015

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