Measurement of the tt¯ production cross section in pp collisions at √s = 7 TeV with lepton + jets final states

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URI: http://hdl.handle.net/10902/25618
ISSN: 0370-2693
ISSN: 1873-2445
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Autoría
Chatrchyan, Serguei; Brochero Cifuentes, Javier AndrésAutoridad Unican; Cabrillo Bartolomé, José IbanAutoridad Unican; Calderón Tazón, AliciaAutoridad Unican; Chuang, S. H.; Duarte Campderros, JorgeAutoridad Unican; Felcini, Marta; Fernández García, MarcosAutoridad Unican; Gómez Gramuglio, GervasioAutoridad Unican; González Sánchez, Francisco JavierAutoridad Unican; Graziano, Alberto; Jordá Lope, Clara; López Virto, María Amparo; Marco de Lucas, JesúsAutoridad Unican; Marco de Lucas, Rafael José; Martínez Rivero, Celso; Matorras Weinig, FranciscoAutoridad Unican; Muñoz Sánchez, Francisca Javiela; Rodrigo Anoro, TeresaAutoridad Unican; [et al.]
Fecha
2013-03
Derechos
Attribution 4.0 International. © 2013 CERN. Published by Elsevier B.V.
Publicado en
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 2013, 720(1-3), 83-104
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Elsevier
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Palabras clave
CMS
LHC
Physics
Top quark
Cross section
Resumen/Abstract
A measurement of the t ̄t production cross section in pp collisions at √s = 7 TeV is presented. The results are based on data corresponding to an integrated luminosity of 2.3 fb−1 collected by the CMS detector at the LHC. Selected events are required to have one isolated, high transverse momentum electron or muon, large missing transverse energy, and hadronic jets, at least one of which must be consistent with having originated from a b quark. The measured cross section is 158.1 ± 2.1 (stat.) ± 10.2 (syst.) ± 3.5 (lum.) pb, in agreement with standard model predictions.
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Attribution 4.0 International. © 2013 CERN. Published by Elsevier B.V.Excepto si se señala otra cosa, la licencia del ítem se describe como Attribution 4.0 International. © 2013 CERN. Published by Elsevier B.V.