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In the deep inelastic region an effective neutron spin structure function can be extracted to first order from that of
He if only S, S' and D states of the
He wave function are included:
where
,
and
are the spin structure functions of an effective free neutron, a free proton and
He, respectively.
% and
% are the effective nucleon polarizations of the neutron and proton in
He due to the S, S' and D states of the wave function.
Xiaochao Zheng
2002-05-09