Journal
PHYSICAL REVIEW D
Volume 81, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.81.094020
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Funding
- Conicet
- UBACyT
- ANPCyT
- Guggenheim Foundation
- U.S. Department of Energy [DE-AC02-98CH10886]
- Brookhaven National Laboratory [08-004]
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We present a next-to-leading-order QCD calculation of the cross section and longitudinal spin asymmetry in single-inclusive charged-lepton production, pp -> l(+/-)X at the Relativistic Heavy Ion Collider, where the lepton is produced in the decay of an electroweak gauge boson. Our calculation is presented in terms of a multipurpose Monte Carlo integration program that may be readily used to include experimental spin-asymmetry data in a global analysis of helicity parton densities. We perform a toy global analysis, studying the impact of anticipated Relativistic Heavy Ion Collider data on our knowledge about the polarized antiquark distributions.
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