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Title

First Measurement of the b-Jet Cross Section in Events with a W Boson in p(p)over-bar Collisions at root s=1.96 TeV

AuthorsCabrera, 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 Date2-Apr-2010
PublisherAmerican Physical Society
CitationPhysical Review Letters 104 (13): 131801 (2010)
AbstractThe cross section for jets from b quarks produced with a W boson has been measured in p (p) over bar collision data from 1: 9 fb(-1) of integrated luminosity recorded by the CDF II detector at the Tevatron. The W + b-jets process poses a significant background in measurements of top quark production and prominent searches for the Higgs boson. We measure a b-jet cross section of 2.74 + 0.27(stat) +/- 0.42(syst) pb in association with a single flavor of leptonic W boson decay over a limited kinematic phase space. This measured result cannot be accommodated in several available theoretical predictions.
Description8 páginas, 2 figuras.-- CDF Collaboration: et al.
Publisher version (URL)http://dx.doi.org/ 10.1103/PhysRevLett.104.131801
URIhttp://hdl.handle.net/10261/23265
DOI10.1103/PhysRevLett.104.131801
ISSN0031-9007
Appears in Collections:(IFIC) Artículos
(IFCA) Artículos
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