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Title: Dark Neutrino Portal to Explain MiniBooNE Excess

Journal Article · · Physical Review Letters

We present a novel framework that provides an explanation to the long-standing excess of electron-like events in the MiniBooNE experiment at Fermilab. We suggest a new dark sector containing a dark neutrino and a dark gauge boson, both with masses between a few tens and a few hundreds of MeV. Dark neutrinos are produced via neutrino-nucleus scattering, followed by their decay to the dark gauge boson, which in turn gives rise to electron-like events. This mechanism provides an excellent fit to MiniBooNE energy spectra and angular distributions.

Research Organization:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
SC0016013; AC02-07CH11359
OSTI ID:
1485529
Alternate ID(s):
OSTI ID: 1472108
Report Number(s):
arXiv:1807.09877; FERMILAB-PUB-18-336-T; OSU-HEP-18-04; PRLTAO; 241801
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Vol. 121 Journal Issue: 24; ISSN 0031-9007
Publisher:
American Physical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 95 works
Citation information provided by
Web of Science

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Search for neutral-current induced single photon production at the ND280 near detector in T2K journal June 2019
Probing the Higgs portal at the Fermilab short-baseline neutrino experiments journal December 2019
Dirac neutrino mass generation from a Majorana messenger journal February 2020
Neutrino-nucleus cross sections for W -boson and trident production journal February 2020
U ( 1 ) ′ mediated decays of heavy sterile neutrinos in MiniBooNE journal April 2019
Icecube/DeepCore tests for novel explanations of the MiniBooNE anomaly journal September 2019
Detecting and studying high-energy collider neutrinos with FASER at the LHC: FASER Collaboration journal January 2020
Light sterile neutrinos: a critical overview journal January 2019

Figures / Tables (3)