Double Transverse-Spin Asymmetries for Small-Q{sub T} Drell-Yan Pair Production in pp-bar Collisions
Journal Article
·
· AIP Conference Proceedings
- Department of Mathematical Sciences, University of Liverpool, Liverpool L69 3BX (United Kingdom)
- Department of Physics, Juntendo University, Inba, Chiba 270-1695 (Japan)
We 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{sub T} of the produced lepton pair is small, and reproduces the (fixed-order) next-to-leading QCD corrections upon integrating over Q{sub T}. The resummation corrections in pp-bar-collision behave differently compared with pp-collision cases, and are small at the kinematics in the proposed GSI experiments. This fact allows us to predict large value of the double-spin asymmetries at GSI, using recent empirical information on the transversity.
- OSTI ID:
- 21316962
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1149; ISSN APCPCS; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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