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Measurements of the Proton and Deuteron Spin Structure Functions g1 and g2
E143 collaboration
Measurements are reported of the proton and deuteron spin structure functions g1 at beam energies of 29.1, 16.2, and 9.7 GeV and g2 at a beam energy of 29.1 GeV. The integrals of g…
Nucleon spin-flavor structure in SU(3) breaking chiral quark model
X. Song, J. S. McCarthy, H. J. Weber
The SU(3) symmetric chiral quark model, which describes interactions between quarks, gluons and the Goldstone bosons, explains reasonably well many aspects of the flavor and spin s…
F/D Ratios in Hyperon Beta Decays and Spin Distribution in the Nucleon
X. Song, P. K. Kabir, J. S. McCarthy
It is shown that hyperon beta decay data can be well accommodated within the framework of Cabbibo's SU(3) symmetric description if one allows for a small SU(3) symmetry breaking pr…
Model Calculation of Nucleon Structure Functions
X. Song, J. S. McCarthy
Deep inelastic polarized and unpolarized structure functions for a free nucleon are obtained in a modified Center-of-Mass bag model, which includes the symmetry breaking effects fr…