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Search for heavy neutrinos and WW bosons with right-handed couplings in proton–proton collisions at vs = 8TeV

Abstract: A search for heavy, right-handed neutrinos, Nl (l=e,µ), and right-handed WRWR bosons, which arise in the left-right symmetric extensions of the standard model, has been performed by the CMS experiment. The search was based on a sample of two lepton plus two jet events collected in proton–proton collisions at a center-of-mass energy of 8 TeV corresponding to an integrated luminosity of 19.7 fb-1. For models with strict left-right symmetry, and assuming only one Nl flavor contributes significantly to the WR decay width, the region in the two-dimensional (MWR,MNl) mass plane excluded at a 95 % confidence level extends to approximately MWR = 3.0TeV and covers a large range of neutrino masses below the WR boson mass, depending on the value of MWR. This search significantly extends the (MWR,MNl) exclusion region beyond previous results.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: European Physical Journal C, Vol. 74, Num. 11, Art. Num. 3149, (2014)

Editorial: Springer New York LLC

 Fecha de publicación: 01/11/2014

Nº de páginas: 23

Tipo de publicación: Artículo de Revista

 DOI: 10.1140/epjc/s10052-014-3149-z

ISSN: 1434-6044,1434-6052

Proyecto español: FPA2014-55295-C3-1-R ; FPA 2011-28694-C02-01

Url de la publicación: https://doi.org/10.1140/epjc/s10052-014-3149-z