SPIN STRUCTURE OF NUCLEONS: EXPERIMENTAL
STATUS
I. A. Savin, A. P. Nagaitsev
The experimental data on inclusive and
semi-inclusive cross sections of deep inelastic scattering of polarized
leptons on polarized nucleons are reviewed in this paper.
The results of these experiments are usually expressed in terms of spin-dependent
structure functions of nucleons and used for testing of different theoretical
predictions such as Quantum Chromodynamics, Bjorken sum rule, Elli-Jaffe
sum rules, Gerasimov-Drell-Hearn sum rules and others, as well as for
determination of quark contributions to the spin of nucleons. A short
summary of underlying theoretical works and description of experimental
set-ups at CERN, DESY, and SLAC, where the experiments have been performed,
precedes the data review.
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