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

Research output: Contribution to journalJournal article

Published

Journal publication date15/01/2003
JournalPhysical Review D – Particles and Fields
Journal number1
Volume67
Pages012004 / 53 pages
Original languageEnglish

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.