Title
Search for heavy neutrinos and W bosons with right-handed couplings in proton-proton collisions <tex>$\sqrt{s}=$</tex>8TeV Search for heavy neutrinos and W bosons with right-handed couplings in proton-proton collisions <tex>$\sqrt{s}=$</tex>8TeV
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Berlin ,
Subject
Physics
Source (journal)
European physical journal : C : particles and fields. - Berlin
Volume/pages
74(2014) :11 , 23 p.
ISSN
1434-6044
1434-6044
Article Reference
3149
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
A search for heavy, right-handed neutrinos, N-l (l = e, mu), and right-handed W-R 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 N-l flavor contributes significantly to the WR decay width, the region in the two-dimensional (M-WR, M-Nl) mass plane excluded at a 95% confidence level extends to approximately M-WR = 3.0 TeV and covers a large range of neutrino masses below the W-R boson mass, depending on the value of M-WR. This search significantly extends the (M-WR, M-Nl) exclusion region beyond previous results.
E-info
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Full text (open access)
https://repository.uantwerpen.be/docman/irua/ddc784/123776.pdf
Handle