Azimuthal asymmetries in unpolarized Drell-Yan processes and the Boer-Mulders distributions of antiquarks

Vincenzo Barone, Stefano Melis, Alexei Prokudin

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31 Scopus citations

Abstract

Using a previous extraction of the quark Boer-Mulders distributions from semi-inclusive deep inelastic scattering data, we fit the unpolarized Drell-Yan data on the cos2 asymmetry, determining the antiquark Boer-Mulders distributions. A good agreement with the data is found in the region of low qT, where the transverse-momentum factorization approach applies.

Original languageEnglish (US)
Article number114025
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume82
Issue number11
DOIs
StatePublished - Dec 23 2010

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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