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Title

Search for leptonic decays of W' bosons in pp collisions at √s=7 TeV

AuthorsBrochero Cifuentes, J. A. ; Cabrillo, I. J. ; Calderon, Alicia ; Chuang, S. H. ; Duarte Campderros, J. ; Felcini, Marta ; Fernández, M. ; Gómez, G. ; González Sánchez, J. ; Jorda, C. ; Lobelle Pardo, P. ; López Virto, A. ; Marco, Jesús ; Marco, Rafael ; Martínez-Rivero, Celso ; Matorras, Francisco ; Muñoz Sánchez, F. J. ; Rodrigo, Teresa ; Rodríguez Marrero, Ana Y. ; Ruiz Jimeno, Alberto ; Scodellaro, Luca ; Sobron Sañudo, M. ; Vila, Iván ; Vilar, Rocío ; Chatrchyan, S.; CMS Collaboration
Issue Date2012
PublisherSpringer
CitationJournal of High Energy Physics: 23 (2012)
AbstractA search for a new heavy gauge boson W' decaying to an electron or muon, plus a low mass neutrino, is presented. This study uses data corresponding to an integrated luminosity of 5.0 inverse femtobarns, collected using the CMS detector in pp collisions at a centre-of-mass energy of 7 TeV at the LHC. Events containing a single electron or muon and missing transverse momentum are analyzed. No significant excess of events above the standard model expectation is found in the transverse mass distribution of the lepton-neutrino system, and upper limits for cross sections above different transverse mass thresholds are presented. Mass exclusion limits at 95% CL for a range of W' models are determined, including a limit of 2.5 TeV for right-handed W' bosons with standard-model-like couplings and limits of 2.43--2.63 TeV for left-handed W' bosons, taking into account their interference with the standard model W boson. Exclusion limits have also been set on Kaluza--Klein W[KK] states in the framework of split universal extra dimensions.
Description31 páginas, 5 figuras, 2 tablas.-- CMS Collaboration: et al.-- Open Access: This article is distributed under the terms of the Creative Commons Attribution License.
Publisher version (URL)http://dx.doi.org/10.1007/JHEP08(2012)023
URIhttp://hdl.handle.net/10261/53179
DOI10.1007/JHEP08(2012)023
E-ISSN1029-8479
Appears in Collections:(IFCA) Artículos
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