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First measurement of the b-Jet cross section in events with a W boson in pp[over-bar] collisions at [sqrt]s=1.96TeV

Author(s)
Paus, Christoph M. E.; Choudalakis, Georgios; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Hahn, Kristian Allan; Henderson, C.; Knuteson, Bruce O.; Xie, Si; Bauer, Gerry P; Makhoul, Khaldoun; ... Show more Show less
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Alternative title
First measurement of the b-Jet cross section in events with a W boson in pp̅ collisions at √s=1.96  TeV
Terms of use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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Abstract
The cross section for jets from b quarks produced with a W boson has been measured in pp[over-bar] collision data from 1.9  fb[superscript -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.
Date issued
2010-04
URI
http://hdl.handle.net/1721.1/57480
Department
Massachusetts Institute of Technology. Laboratory for Nuclear Science; Massachusetts Institute of Technology. School of Science
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
CDF Collaboration et al. “First Measurement of the b-Jet Cross Section in Events with a W Boson in pp-bar Collisions at [sqrt]s=1.96 TeV.” Physical Review Letters 104.13 (2010): 131801. © 2010 The American Physical Society.
Version: Final published version
ISSN
0031-9007

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