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Higgs phenomenology as a probe of sterile neutrinos.

Butterworth, Jonathan M. and Chala, Mikael and Englert, Christoph and Spannowsky, Michael and Titov, Arsenii (2019) 'Higgs phenomenology as a probe of sterile neutrinos.', Physical review D., 100 (11). p. 115019.


Physics beyond the Standard Model can manifest itself as both new light states and heavy degrees of freedom. In this paper, we assume that the former comprise only a sterile neutrino, N. Therefore, the most agnostic description of the new physics is given by an effective field theory built upon the Standard Model fields as well as N. We show that Higgs phenomenology provides a sensitive and potentially crucial tool to constrain effective gauge interactions of sterile neutrinos, not yet probed by current experiments. In parallel, this motivates a range of new Higgs decay channels with clean signatures as candidates for the next LHC runs, including h → γ þ pmiss T and h → γγ þ pmiss T .

Item Type:Article
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Publisher statement:Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.
Date accepted:No date available
Date deposited:10 December 2019
Date of first online publication:09 December 2019
Date first made open access:10 December 2019

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