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tt¯ production cross section in pp¯ collisions at sqrt[s]=1.8 TeV.

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<mark>Journal publication date</mark>15/01/2003
<mark>Journal</mark>Physical Review D – Particles and Fields
Issue number1
Volume67
Pages (from-to)012004 / 53 pages
<mark>State</mark>Published
<mark>Original language</mark>English

Abstract

Results are presented on a measurement of the tt¯ pair production cross section in pp¯ collisions at sqrt[s]=1.8 TeV from nine independent decay channels. The data were collected by the DØ experiment during the 1992–1996 run of the Fermilab Tevatron Collider. A total of 80 candidate events is observed with an expected background of 38.8±3.3 events. For a top quark mass of 172.1 GeV/c2, the measured cross section is 5.69±1.21(stat)±1.04(syst) pb.