Neutrino catalyzed diphoton excess

Chao, Wei

doi:10.1016/j.nuclphysb.2016.08.012

Title: Neutrino catalyzed diphoton excess

Journal Article · Sat Oct 01 00:00:00 EDT 2016 · Nuclear Physics. B

DOI:https://doi.org/10.1016/j.nuclphysb.2016.08.012· OSTI ID:1298328

In this paper we explain the 750 GeV diphoton resonance observed at the run-2 LHC as a scalar singlet S, that plays a key role in generating tiny but nonzero Majorana neutrino masses. The model contains four electroweak singlets: two leptoquarks, a singly charged scalar and a neutral scalar S. Majorana neutrino masses might be generated at the two-loop level as S gets nonzero vacuum expectation value. S can be produced at the LHC through the gluon fusion and decays into diphoton with charged scalars running in the loop. The model fits perfectly with a narrow width of the resonance. Finally, constraints on the model are investigated, which shows a negligible mixing between the resonance and the standard model Higgs boson.

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Research Organization:: Univ. of Massachusetts, Amherst, MA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Grant/Contract Number:: SC0011095

OSTI ID:: 1298328

Alternate ID(s):: OSTI ID: 1360103

Journal Information:: Nuclear Physics. B, Journal Name: Nuclear Physics. B Vol. 911 Journal Issue: C; ISSN 0550-3213

Publisher:: ElsevierCopyright Statement

Country of Publication:: Netherlands

Language:: English

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Cited by: 5 works

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