Omega Meson Cloud and the Proton's Light Anti-Quark Distribution

Details Omega Meson Cloud and the Proton's Light Anti-Quark Distribution Omega Meson Cloud and the Proton's Light Anti-Quark Distribution

1999-07-19

arxiv.org/abs/hep-ph/9907417v1

Phys.Lett.B471:396-399,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 2 figures, LaTex

Scientific paper

10.1016/S0370-2693(99)01419-7

We use the meson cloud model of the nucleon to calculate distribution
functions for $(\bar {d} - \bar{u})$ and $ \bar{d}/\bar{u}$ in the proton.
Including the effect of the omega meson cloud, with a coupling constant
$g_\omega^2/4\pi\approx 8$, allows a reasonably good description of the data.

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