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Open Access item 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

Authors: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 Date:2-Apr-2010
Publisher:American Physical Society
Citation:Physical Review Letters 104 (13): 131801 (2010)
Abstract:The 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.
Description:8 páginas, 2 figuras.-- CDF Collaboration: et al.
Publisher version (URL):http://dx.doi.org/ 10.1103/PhysRevLett.104.131801
URI:http://hdl.handle.net/10261/23265
ISSN:0031-9007
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Appears in Collections:(IFIC) Artículos
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