Sivers effect in semiinclusive deeply inelastic scattering

J. C. Collins, A. V. Efremov, K. Goeke, S. Menzel, A. Metz, P. Schweitzer

Research output: Contribution to journalArticlepeer-review

152 Scopus citations


The Sivers function is extracted from HERMES data on single spin asymmetries in semi-inclusive deeply inelastic scattering. Our analysis use a simple Gaussian model for the distribution of transverse parton momenta, together with the flavor dependence given by the leading 1/Nc approximation and a neglect of the Sivers antiquark distribution. We find that within the errors of the data these approximations are sufficient.

Original languageEnglish (US)
Article number014021
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Issue number1
StatePublished - Jan 1 2006

All Science Journal Classification (ASJC) codes

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


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