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Tytuł: Heavy neutrinos and the pp-> lljj CMS data
Autor: Gluza, Janusz
Jeliński, Tomasz
Słowa kluczowe: Heavy neutrinos; CMS data
Data wydania: 2-wrz-2015
Źródło: Physics Letters B, Vol. 748, [September 2], (2015), s. 125-131
Abstrakt: We show that the excess in the pp →eejjCMS data can be naturally interpreted within the Minimal Left–Right Symmetric model (MLRSM), keeping gL=gR, if CP phases and non-degenerate masses of heavy neutrinos are taken into account. As an additional benefit, a natural interpretation of the reported ratio (14 :1)of the opposite-sign (OS) pp →l±l∓jjto the same-sign (SS) pp →l±l±jjlepton signals is possible. Finally, a suppression of muon pairs with respect to electron pairs in the pp →lljjdata is obtained, in accordance with experimental data. If the excess in the CMS data survives in the future, it would be a first clear hint towards presence of heavy neutrinos in right-handed charged currents with specific CP phases, mixing angles and masses, which will have far reaching consequences for particle physics directions
DOI: 10.1016/j.physletb.2015.06.077
ISSN: 0370-2693
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