INVESTIGADORES
DE FLORIAN daniel Enrique
artículos
Título:
Helicity Parton Distributions from Spin Asymmetries in W-boson Production at RHIC
Autor/es:
DANIEL DE FLORIAN, WERNER VOGELSANG
Revista:
PHYSICAL REVIEW D - PARTICLE AND FILDS
Editorial:
American Physical Society
Referencias:
Lugar: New York; Año: 2010 vol. 81 p. 1 - 1
ISSN:
0556-2821
Resumen:
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.