Improved constraints on sterile neutrino mixing from disappearance searches in the MINOS, MINOS+, Daya Bay, and Bugey-3 experiments

Adamson, P, An, F P, Anghel, I, Aurisano, A, Balantekin, A B, Band, H R, Barr, G, Bishai, M, Blake, A, Blyth, S, Cao, G F, Cao, J, Cao, S V, Carroll, T J, Hartnell, J, Daya Bay Collaboration, , MINOS+ Collaboration, and others, (2020) Improved constraints on sterile neutrino mixing from disappearance searches in the MINOS, MINOS+, Daya Bay, and Bugey-3 experiments. Physical Review Letters, 125 (7). a071801 1-9. ISSN 0031-9007

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Abstract

Searches for electron antineutrino, muon neutrino, and muon antineutrino disappearance driven by sterile neutrino mixing have been carried out by the Daya Bay and MINOS+ collaborations. This Letter presents the combined results of these searches, along with exclusion results from the Bugey-3 reactor experiment, framed in a minimally extended four-neutrino scenario. Significantly improved constraints on the θμe mixing angle are derived that constitute the most constraining limits to date over five orders of magnitude in the mass-squared splitting Δm412, excluding the 90% C.L. sterile-neutrino parameter space allowed by the LSND and MiniBooNE observations at 90% CLs for Δm412<13 eV2. Furthermore, the LSND and MiniBooNE 99% C.L. allowed regions are excluded at 99% CLs for Δm412<1.6 eV2.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
SWORD Depositor: Mx Elements Account
Depositing User: Mx Elements Account
Date Deposited: 07 Jan 2021 12:01
Last Modified: 07 Jan 2021 12:01
URI: http://sro.sussex.ac.uk/id/eprint/96362

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