Double Transverse-Spin Asymmetries for Drell-Yan Process in pp and p\bar{p} Collisions: Role of Nonleading QCD Corrections at Small Transverse Momentum

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dc.creatorKawamura, Hiroyuki
dc.creatorTanaka, Kazuhiro
dc.date2008-07-07
dc.date.accessioned2026-07-07T09:48:47Z
dc.date.available2026-07-07T09:48:47Z
dc.descriptionWe discuss the double-spin asymmetries in transversely polarized Drell-Yan process, calculating all-order gluon resummation corrections up to the next-to-leading logarithmic accuracy. This resummation is relevant when the transverse-momentum Q_T of the produced lepton pair is small, and reproduces the (fixed-order) next-to-leading QCD corrections upon integrating over Q_T. The resummation corrections behave differently between pp- and p\bar{p}-collision cases and are small for the latter case at the kinematics in the proposed GSI experiments. This fact allows us to predict large value of the double-spin asymmetries at GSI, using the recent empirical information on the transversity.
dc.description4 pages, 1 figure. To appear in the proceedings of the XVI International Workshop on Deep Inelastic Scattering and Related Subjects, DIS 2008, London, U.K., 7-11 April, 2008
dc.identifierhttps://arxiv.org/abs/0807.0985
dc.identifierhttp://arxiv.org/abs/0807.0985
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/164342
dc.subjectHigh Energy Physics - Phenomenology
dc.titleDouble Transverse-Spin Asymmetries for Drell-Yan Process in pp and p\bar{p} Collisions: Role of Nonleading QCD Corrections at Small Transverse Momentum
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