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Search for Sterile Neutrinos in MINOS and MINOS+ Using a Two-Detector Fit.

Published version
Peer-reviewed

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Article

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Authors

Adamson, P 
Anghel, I 
Aurisano, A 
Barr, G 
Bishai, M 

Abstract

A search for mixing between active neutrinos and light sterile neutrinos has been performed by looking for muon neutrino disappearance in two detectors at baselines of 1.04 and 735 km, using a combined MINOS and MINOS+ exposure of 16.36×10^{20} protons on target. A simultaneous fit to the charged-current muon neutrino and neutral-current neutrino energy spectra in the two detectors yields no evidence for sterile neutrino mixing using a 3+1 model. The most stringent limit to date is set on the mixing parameter sin^{2}θ_{24} for most values of the sterile neutrino mass splitting Δm_{41}^{2}>10^{-4}  eV^{2}.

Description

Keywords

MINOS+ Collaboration

Journal Title

Phys Rev Lett

Conference Name

Journal ISSN

0031-9007
1079-7114

Volume Title

122

Publisher

American Physical Society (APS)
Sponsorship
Science and Technology Facilities Council (ST/I002634/1)
Science and Technology Facilities Council (ST/K00655X/1)