dbar/ubar Asymmetry and the Origin of the Nucleon Sea

J. C. Peng, G. T. Garvey, T. C. Awes +43

The Drell-Yan cross section ratios, $\sigma (p+d)/\sigma (p+p)$, measured in Fermilab E866, have led to the first determination of $\bar{d}(x)/\bar{u}(x)$, $\bar{d}(x)-\bar{u}(x)$, and the int…