A Measurement of the t anti-t Production Cross Section in p anti-p Collisions at s**(1/2) = 1.96-TeV using Soft Muon Tagging Page: 3 of 131
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I present a measurement of the tt production cross section at fi= 1.96 TeV using 2034 pb--
of CDF Run II data using events with a high transverse momentum electron or muon, three or
more jets, and missing transverse energy. The measurement assumes a t -> Wb branching fraction
of 100 percent. Events consistent with tt decay are found by identifying jets containing heavy-
flavor semileptonic decays to muons. The dominant backgrounds are evaluated directly from the
data. Based on 248 candidate events and an expected background of 86.8 5.6 events, I measure a
production cross section of 8.7 1.1+0.8 0.6 pb, in agreement with the Standard Model.
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Grundler, Ulysses A. & /Illinois U., Urbana. A Measurement of the t anti-t Production Cross Section in p anti-p Collisions at s**(1/2) = 1.96-TeV using Soft Muon Tagging, thesis or dissertation, May 1, 2008; Batavia, Illinois. (https://digital.library.unt.edu/ark:/67531/metadc901841/m1/3/: accessed April 23, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.