Search for W' -> tb resonances with left- and right-handed couplings to fermions D0 Collaboration
Contribuinte(s) |
Universidade Estadual Paulista (UNESP) |
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Data(s) |
30/09/2013
20/05/2014
30/09/2013
20/05/2014
09/05/2011
|
Resumo |
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) We present a search for the production of a heavy gauge boson, W', that decays to third-generation quarks, by do Collaboration in p (p) over bar) collisions at root s = 1.96 TeV. We set 95% confidence level upper limits on the production cross section times branching fraction. For the first time, we set limits for arbitrary combinations of left-and right-handed couplings of the W' boson to fermions. For couplings with the same strength as for the standard model W boson, we set the following limits, assuming that there are right-handed neutrinos nu(R) for all three generations with M(W') > m(nu(R)): M(W') > 863 GeV for purely left-handed couplings, M(W') > 885 GeV for purely right-handed couplings, and M(W') > 916 GeV if both left-and right-handed couplings are present. The limit for right-handed couplings improves for M(W') < m(nu(R)) to M(W') > 890 GeV. (C) 2011 Elsevier B.V. All rights reserved. |
Formato |
145-150 |
Identificador |
http://dx.doi.org/10.1016/j.physletb.2011.03.066 Physics Letters B. Amsterdam: Elsevier B.V., v. 699, n. 3, p. 145-150, 2011. 0370-2693 http://hdl.handle.net/11449/24327 10.1016/j.physletb.2011.03.066 WOS:000290778200003 |
Idioma(s) |
eng |
Publicador |
Elsevier B.V. |
Relação |
Physics Letters B |
Direitos |
closedAccess |
Palavras-Chave | #Wprime #Resonances #Top quark #Bottom quark #Left-right couplings |
Tipo |
info:eu-repo/semantics/article |