Polarized light flavor sea-quark asymmetry in polarized semi-inclusive processes
T. Morii, T. Yamanishi
Abstract
We propose new formulas for extracting a difference of the polarized light sea-quark density, Δ d(x)-Δ u(x), from polarized deep-inelastic semi-inclusive data. We have estimated the value of it from the present experimental data measured by SMC and HERMES groups. Although the data might suggest a violation of polarized light flavor sea-quark symmetry, the precision of the present data is not enough for confirming it.
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