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Abstract: The production cross section of a W boson in association with two b jets is measured using a sample of proton?proton collisions at s=8TeV collected by the CMS experiment at the CERN LHC. The data sample corresponds to an integrated luminosity of 19.8fb-1. The W bosons are reconstructed via their leptonic decays, W ? ??, where ?= ? or e. The fiducial region studied contains exactly one lepton with transverse momentum pT?>30GeV and pseudorapidity | ??| < 2.1 , with exactly two b jets with pT>25GeV and | ?| < 2.4 and no other jets with pT>25GeV and | ?| < 4.7. The cross section is measured to be ?(p p ? W (??) +bb¯)=0.64±0.03(stat)±0.10(syst)±0.06(theo)±0.02(lumi)pb, in agreement with standard model predictions.
Fuente: European Physical Journal C, Vol. 77, Iss. 02, Art. Num. 092 (2017)
Editorial: Springer New York LLC
Fecha de publicación: 01/02/2017
Nº de páginas: 23
Tipo de publicación: Artículo de Revista
DOI: 10.1140/epjc/s10052-016-4573-z
ISSN: 1434-6044,1434-6052
Url de la publicación: https://doi.org/10.1140/epjc/s10052-016-4573-z
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KHACHATRYAN, VLADIMIR
JOSE IBAN CABRILLO BARTOLOME
ALICIA CALDERON TAZON
JUAN RAMON CASTIÑEIRAS DE SAA
ESTEBAN CURRAS RIVERA
MARCOS FERNANDEZ GARCIA
JUAN GARCIA FERRERO
GERVASIO GOMEZ GRAMUGLIO
MARIA AMPARO LOPEZ VIRTO
JESUS MARCO DE LUCAS
CELSO MARTINEZ RIVERO
FRANCISCO MATORRAS WEINIG
JONATAN PIEDRA GOMEZ
MARIA TERESA RODRIGO ANORO
ALBERTO RUIZ JIMENO
LUCA SCODELLARO
NICOLO TREVISANI
IVAN VILA ALVAREZ
ROCIO VILAR CORTABITARTE
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