Research Papers in Physics and Astronomy

 

Date of this Version

January 2001

Comments

Published by American Physical Society. Phys. Rev. D 63, 011101 (2001). http://prd.aps.org. Copyright © 2001 American Physical Society. Permission to use.

Abstract

We report on the first measurement of the rapidity distribution dσ/dy over nearly the entire kinematic region of rapidity for e+e- pairs in both the Z-boson region of 66<Mee<116 GeV/c2 and in the high mass region of Mee>116 GeV/c2. The data sample consists of 108 pb-1 of pp̅ collisions at √s =1.8 TeV taken by the Collider Detector at Fermilab during 1992–1995. The total cross section in the Z-boson region is measured to be 252±11 pb. The measured total cross section and dσ/dy are compared with quantum chromodynamics calculations in leading and higher orders.

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