Department of Physics and Astronomy: Publications and Other Research

 

Document Type

Article

Date of this Version

7-10-2007

Comments

Published in PHYSICAL REVIEW D 76, 012003 (2007). © 2007 The American Physical Society. Used by permission.

Abstract

We present a measurement of the shape of the boson rapidity distribution forpp̅ → Z/ γ * → ℯ+- + X events at a center-of-mass energy of 1.96 TeV. The measurement is made for events with electron-positron mass 71<M ℯℯ < 111 GeV and uses 0.4 fb-1 of data collected at the Fermilab Tevatron collider with the D0 detector. This measurement significantly reduces the uncertainties on the rapidity distribution in the forward region compared with previous measurements. Predictions of next-to-next-to-leading order (NNLO) QCD are found to agree well with the data over the full rapidity range.

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