Can the polarization of the strange quarks in the proton be positive ?

Details Can the polarization of the strange quarks in the proton be positive ? Can the polarization of the strange quarks in the proton be positive ?

2002-11-06

arxiv.org/abs/hep-ph/0211083v2

Phys.Rev. D67 (2003) 037503

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, latex, minor changes in the discussion after Eq. (9)

Scientific paper

10.1103/PhysRevD.67.037503

Recently, the HERMES Collaboration at DESY, using a leading order QCD
analysis of their data on semi-inclusive deep inelastic production of charged
hadrons, reported a marginally positive polarization for the strange quarks in
the proton. We argue that a non-negative polarization is almost impossible.

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