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Search for heavy neutrinos and W bosons with right-handed couplings in proton–proton collisions at √s=8TeV (CROSBI ID 213588)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Khachatryan V. ; ... ; Pleština, Roko ; ... ; Godinović, Nikola ; Lelas, Damir ; Polić, Dunja ; Puljak, Ivica ; Antunović, Željko ; Kovač, Marko et al. Search for heavy neutrinos and W bosons with right-handed couplings in proton–proton collisions at √s=8TeV // European physical journal C : particles and fields, 74 (2014), 3149-1-3149-23. doi: 10.1140/epjc/s10052-014-3149-z

Podaci o odgovornosti

Khachatryan V. ; ... ; Pleština, Roko ; ... ; Godinović, Nikola ; Lelas, Damir ; Polić, Dunja ; Puljak, Ivica ; Antunović, Željko ; Kovač, Marko ; Brigljević, Vuko ; Kadija, Krešo ; Luetić, Jelena ; Mekterović, Darko ; Morović, Srećko ; Sudić, Lucija ; ... : Đurić, Senka ; ... ; Woods, N.

engleski

Search for heavy neutrinos and W bosons with right-handed couplings in proton–proton collisions at √s=8TeV

A search for heavy, right-handed neutrinos, N ( = e, μ), and right-handed WR 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 flavor contributes significantly to the WR decay width, the region in the two-dimensional (MWR , MN ) mass plane excluded at a 95 % confidence level extends to approximately MWR = 3.0 TeV 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 , MN ) exclusion region beyond previous results.

CMS heavy neutrinos right-handed couplings

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Podaci o izdanju

74

2014.

3149-1-3149-23

objavljeno

1434-6044

10.1140/epjc/s10052-014-3149-z

Povezanost rada

Fizika

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