Nucleon strangeness and spin crisis?

Details Nucleon strangeness and spin crisis? Nucleon strangeness and spin crisis?

2002-08-26

arxiv.org/abs/hep-ph/0208242v2

Hadronic J. 26 (2003) 503-513

Physics

High Energy Physics

High Energy Physics - Phenomenology

Accepted for publication in special issue of Hadronic Journal

Scientific paper

We summarize three alternative extensions of the quark-valence picture of
nucleon strangeness and spin, including (1) gluon spin in QCD, (2) Bjorken sum
rule and QCD, (3) D--E meson mixing and tadpole leakage. All three approaches
suggest that ~40% of the nucleon's spin (as well as its momentum) resides with
quarks, but that less than 6% is due to strange quarks.

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