Measurement of $\sigma \cdot B(W\to e\nu )$ and $\sigma \cdot B(Z^0\to e^{+}{e}^{-})$ in $p\bar{p}$ collisions at $\sqrt{s}=1.8$ TeV

Abstract

We present a measurement of $\sigma \cdot B(W\to e\nu )$ and $\sigma \cdot B(Z^0\to e^{+}{e}^{-})$ in proton - antiproton collisions at $\sqrt{s}=1.8$ TeV using a significantly improved understanding of the integrated luminosity. The data represent an integrated luminosity of 19.7 pb${}^{-1}$ from the 1992-1993 run with the Collider Detector at Fermilab (CDF). We find $\sigma \cdot B(W\to e\nu )=2.49\pm 0.12$~nb and $\sigma \cdot B(Z^0\to e^{+}{e}^{-})=0.231\pm 0.012$~nb.

Uses Latex, Article 12 point, figure appended as uuencoded file The full PostScript available via WWW at http://www-cdf.fnal.gov/physics/pub95/cdf3312_sigma_1a_prl_v3.ps