908 resultados para Kelsey, Francis W. (Francis Willey), b. 1858


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The production cross section for a Wboson and two b jets is measured using proton-proton collisions at v root s = 7 TeV in a data sample collected with the CMS experiment at the LHC corresponding to an integrated luminosity of 5.0 fb(-1). The W + bbevents are selected in the W..decay mode by requiring a muon with transverse momentum pT> 25GeVand pseudorapidity |eta| < 2.1, and exactly two b-tagged jets with pT> 25GeVand |eta| < 2.4. The measured W + bbproduction cross section in the fiducial region, calculated at the level of final-state particles, is s(pp. W + bb) xB(W..) = 0.53 +/- 0.05 (stat.) +/- 0.09 (syst.) +/- 0.06 (theo.) 0.01 (lum.) pb, in agreement with the standard model prediction. In addition, kinematic distributions of the W + bbsystem are in agreement with the predictions of a simulation usingMadGraphandpythia. (C) 2014 The Authors. Published by Elsevier B. V.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Mode of access: Internet.

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Title varies slightly.

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Mode of access: Internet.

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The plays are printed in the order found in the second folio "Fifty comedies and tragedies," 1679, with facsimile reproductions of early title-pages.

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Proceedings in the Senate: p. 84-148.