Measurement of the W+W- cross section in pp collisions at √s = 7 TeV and limits on anomalous WWγ and WWZ couplings

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URI: http://hdl.handle.net/10902/25641
ISSN: 1434-6044
ISSN: 1434-6052
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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; 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; Rodríguez Marrero, Ana Yaiza; [et al.]
Fecha
2013-10
Derechos
Attribution 4.0 International©CERN for the benefit of the CMS collaboration 2013.
Publicado en
European Physical Journal C, 2013, 73(10), 2610, 1-22
Editorial
Springer New York LLC
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Resumen/Abstract
A measurement of W+W− production in pp collisions at √s = 7 TeV is presented. The data were collected with the CMS detector at the LHC, and correspond to an integrated luminosity of 4.92 ± 0.11 fb−1. The W+W− candidates consist of two oppositely charged leptons, electrons or muons, accompanied by large missing transverse energy. The W+W− production cross section is measured to be 52.4 ± 2.0 (stat.) ± 4.5 (syst.) ± 1.2 (lum.) pb. This measurement is consistent with the standard model prediction of 47.0±2.0 pb at next-to-leading order. Stringent limits on the WWγ and WWZ anomalous triple gauge-boson couplings are set.
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Attribution 4.0 International©CERN for the benefit of the CMS collaboration 2013.Excepto si se señala otra cosa, la licencia del ítem se describe como Attribution 4.0 International©CERN for the benefit of the CMS collaboration 2013.