Search for W ' -> tb decays in the lepton plus jets final state in pp collisions at root s=8 TeV
Contribuinte(s) |
Universidade Estadual Paulista (UNESP) |
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Data(s) |
03/12/2014
03/12/2014
23/05/2014
|
Resumo |
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Results are presented from a search for the production of a heavy gauge boson W' decaying into a top and a bottom quark, using a data set collected by the CMS experiment at root s = 8 TeV and corresponding to an integrated luminosity of 19.5 fb(-1). Various models of W'-boson production are studied by allowing for an arbitrary combination of left-and right-handed couplings. The analysis is based on the detection of events with a lepton (e, mu), jets, and missing transverse energy in the final state. No evidence for W'-boson production is found and 95% confidence level upper limits on the production cross section times branching fraction are obtained. For W' bosons with purely right-handed couplings, and for those with left-handed couplings assuming no interference effects, the observed 95% confidence level limit is M(W') > 2.05TeV. For W' bosons with purely left-handed couplings, including interference effects, the observed 95% confidence level limit is M(W') > 1.84 TeV. The results presented in this paper are the most stringent limits published to date. |
Formato |
35 |
Identificador |
http://dx.doi.org/10.1007/JHEP05(2014)108 Journal Of High Energy Physics. New York: Springer, n. 5, 35 p., 2014. 1029-8479 http://hdl.handle.net/11449/111366 10.1007/JHEP05(2014)108 WOS:000338207600001 WOS000338207600001.pdf |
Idioma(s) |
eng |
Publicador |
Springer |
Relação |
Journal of High Energy Physics |
Direitos |
openAccess |
Palavras-Chave | #Exotics #Hadron-Hadron Scattering |
Tipo |
info:eu-repo/semantics/article |