Search for Higher Twist Effects in the Spin Structure Function g_2^n(x,Q^2)

Details Search for Higher Twist Effects in the Spin Structure Function g_2^n(x,Q^2) Search for Higher Twist Effects in the Spin Structure Function g_2^n(x,Q^2)

Apr 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..apru10003k&link_type=abstract

American Physical Society, April Meeting, Jointly Sponsored with the High Energy Astrophysics Division (HEAD) of the American As

Astronomy and Astrophysics

Astrophysics

Scientific paper

The spin structure function g_2^n(x,Q^2) provides a unique opportunity to search for non-perturbative QCD contributions to the structure of the nucleon in inclusive scattering. According to the Wandzura-Wilczek relation the leading twist contribution of g_2^n is completely determined by g_1^n. Deviations from this relation are an indication of quark-gluon correlations and are expected to increase as the 4-momentum transfer is reduced. Experiment E97-103 was completed in the summer of 2001 at Jefferson Lab and measured g_2^n with high precision using deep inelastic scattering at nearly constant x_Bj (0.17

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