Decaying sterile neutrinos and the short baseline oscillation anomalies

Dentler, Mona; Esteban, Ivan; Kopp, Joachim; Machado, Pedro

doi:10.1103/PhysRevD.101.115013

Decaying sterile neutrinos and the short baseline oscillation anomalies

Journal Article · Thu Jun 11 00:00:00 EDT 2020 · Physical Review. D.

DOI:https://doi.org/10.1103/PhysRevD.101.115013· OSTI ID:1633008

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The MiniBooNE experiment has observed a significant excess of electron neutrinos in a muon neutrino beam, in conflict with standard neutrino oscillations. We discuss the possibility that this excess is explained by a sterile neutrino with a mass ~1 keV that decays quickly back into active neutrinos plus a new light boson. This scenario satisfies terrestrial and cosmological constraints because it has neutrino self-interactions built-in. Accommodating also the LSND, reactor, and gallium anomalies is possible, but requires an extension of the model to avoid cosmological limits.

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Research Organization:: Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)

Grant/Contract Number:: AC02-07CH11359

OSTI ID:: 1633008

Alternate ID(s):: OSTI ID: 1574845

Report Number(s):: FERMILAB-PUB--19-538-T; arXiv:1911.01427; 115013

Journal Information:: Physical Review. D., Journal Name: Physical Review. D. Journal Issue: 11 Vol. 101; ISSN PRVDAQ; ISSN 2470-0010

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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