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Title

Measurement of the t(t)over-bar production cross section in 2 fb(-1) of p(p)over-bar collisions at root s = 1.96 TeV using lepton plus jets events with soft muon b tagging

AuthorsCDF Collaboration; Cabrera, Susana ; Cuenca Almenar, Cristóbal ; Álvarez González, B.; Casal, Bruno ; Cuevas, Javier ; Gómez, G. ; Rodrigo, Teresa ; Ruiz Jimeno, Alberto ; Scodellaro, Luca ; Vila, Iván ; Vilar, Rocío ; Aaltonen, T.
Issue Date20-Mar-2009
PublisherAmerican Physical Society
CitationPhysical Review - Section D - Particles and Fields 79 (5): 052007 (2009)
AbstractWe present a measurement of the t (t) over bar production cross section in p (p) over bar collisions at root s = 1.96 TeV using events containing a high transverse momentum electron or muon, three or more jets, and missing transverse energy. Events consistent with t (t) over bar decay are found by identifying jets containing candidate heavy-flavor semileptonic decays to muons. The measurement uses a CDF run II data sample corresponding to 2 fb(-1) of integrated luminosity. Based on 248 candidate events with three or more jets and an expected background of 79.5 +/- 5.3 events, we measure a production cross section of 9.1 +/- 1.6 pb.
Publisher version (URL)http://dx.doi.org/ 10.1103/PhysRevD.79.052007
URIhttp://hdl.handle.net/10261/22326
DOI10.1103/PhysRevD.79.052007
ISSN1550-7998
Appears in Collections:(IFIC) Artículos
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