期刊
PROGRESS OF THEORETICAL PHYSICS
卷 115, 期 3, 页码 667-672出版社
PROGRESS THEORETICAL PHYSICS PUBLICATION OFFICE
DOI: 10.1143/PTP.115.667
关键词
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We discuss the transverse momentum Q(T) distribution of Drell-Yan pair, produced in collisions of transversely polarized protons. We calculate the transversely polarized Drell-Yan cross section up to O(alpha(s)) in the dimensional regularization, which gives QCD prediction at large Q(T). For small Q(T), we include all-orders resummation of large logarithms due to emission of soft gluons tip to next-to-leading logarithmic accuracy. At intermediate Q(T), the resummation formula is matched with the fixed-order alpha(s) perturbative results in a systematic way, and we derive the cross section with uniform accuracy over the entire range of Q(T).
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