Research Papers in Physics and Astronomy

 

Date of this Version

January 2000

Comments

Published by American Physical Society. Phys. Rev. Lett. 84, 845 (2000). http://prl.aps.org. Copyright © 2000 American Physical Society. Permission to use.

Abstract

The transverse momentum and total cross section of e+e- pairs in the Z-boson region of 66 < Mee < 116 GeV/c2 from pp̅ collisions at √s =1.8 TeV are measured using 110 pb-1 of collisions taken by the Collider Detector at Fermilab during 1992–1995. The total cross section is measured to be 248 ± 11 pb. The differential transverse momentum cross section is compared with calculations that match quantum chromodynamics perturbation theory at high transverse momentum with the gluon resummation formalism at low transverse momentum.

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