/ Experiment-HEP hep-ex/0406078

First measurements of inclusive W and Z cross sections from run II of the Tevatron collider

Published in: Phys.Rev.Lett.
Year: 2005
Vol.: 94
Page No: 091803
Pages: 8

Abstract: We report the first measurements of inclusive W and Z cross sections times leptonic branching ratios for p-pbar collisions at $\sqrt{s} = 1.96$ TeV, based on their decays to electrons and muons. The data correspond to an integrated luminosity of 72 pb-1 recorded with the CDF detector at the Fermilab Tevatron. We test e-mu universality in W decays, and we measure the ratio of leptonic W and Z rates from which the leptonic branching fraction $B(W\goto\ell\nu)$ can be extracted as well as an indirect value for the total width of the W and the CKM matrix element, Vcs.

Keyword(s): proton-proton inclusive interactions ; intermediate boson production ; intermediate boson decay ; W bosons ; Z bosons ; high-energy elementary particle interactions ; leptonic decays

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