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Polarized deeply inelastic scattering (DIS) structure functions for nucleons and nuclei

Ali N. Khorramian1,2,*, S. Atashbar Tehrani2,†, S. Taheri Monfared1,2,‡, F. Arbabifar1,§, and F. I. Olness3,∥

  • 1Physics Department, Semnan University, Semnan, Iran
  • 2School of Particles and Accelerators, Institute for Research in Fundamental Sciences (IPM), P.O. Box 19395-5531, Tehran, Iran
  • 3Department of Physics, Southern Methodist University, Dallas, Texas 75275-0175, USA

  • *Khorramiana@theory.ipm.ac.ir
  • †Atashbar@ipm.ir
  • ‡Sara.taherimonfared@gmail.com
  • §Farbabifar@gmail.com
  • ∥olness@smu.edu
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Phys. Rev. D 83, 054017 – Published 11 March, 2011

DOI: https://doi.org/10.1103/PhysRevD.83.054017

Abstract

We extract parton distribution functions (PDFs) and structure functions from recent experimental data of polarized lepton–deeply inelastic scattering (DIS) on nucleons at next-to-leading order (NLO) quantum chromodynamics. We apply the Jacobi polynomial method to the Dokshitzer-Gribov-Lipatov-Altarelli-Parisi (DGLAP) evolution as this is numerically efficient. Having determined the polarized proton and neutron spin structure, we extend this analysis to describe He3 and H3 polarized structure functions, as well as various sum rules. We compare our results with other analyses from the literature.

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Phys. Rev. D 83, 054017– Published 11 March, 2011
  • Received 29 November 2010
Article part of CHORUS

© 2011 American Physical Society

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