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    Title: Many high-charged scalars in LHC searches and Majorana neutrino mass generations
    Authors: Chen, Chian-Shu;Geng, Chao-Qiang;Tsai, Lu-Hsing
    Date: 201606
    Issue Date: 2016-11-12 02:10:45 (UTC+8)
    Publisher: American Physical Society
    Abstract: One natural way to understand the excess of the measured H→γγ rate over the standard model (SM) expectation at the Large Hadron Collider (LHC) is to have charged scalar bosons, existing in most of the SM extensions. Motivated by this LHC result, we explore if it also sheds light on solving the small neutrino mass generation problem. We concentrate on a class of models with high dimensional representations of scalars to realize Majorana neutrino masses at two-loop level without imposing any new symmetry. In these models, multi scalars with the electric charges higher than two are naturally expected, which not only enhance the H→γγ rate, but provide more searching grounds at the LHC. In particular, the rate of H→Zγ also changes similar to that of the diphoton channel.
    Relation: Physical Review D 87:077702
    DOI: 10.1103/PhysRevD.87.077702
    Appears in Collections:[物理學系暨研究所] 期刊論文

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