Flavor Asymmetry of the Polarized Light Sea: Models vs. Data
classification
✦ hep-ph
keywords
asymmetrydatadeltaflavorlightmodelmodelspolarized
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The flavor asymmetry of the polarized light sea, $\Delta \bar u - \Delta \bar d$, discriminates between different model calculations of helicity densities. We show that the chiral chromodielectric model, differently from models based on a $1/N_c$ expansion, predicts a small value for this asymmetry, what seems in agreement with preliminary HERMES data.
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