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Neutrino oscillations with MINOS and MINOS+

Whitehead, LH; (2016) Neutrino oscillations with MINOS and MINOS+. Nuclear Physics B , 908 pp. 130-150. 10.1016/j.nuclphysb.2016.03.004. Green open access

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Abstract

The MINOS experiment ran from 2003 until 2012 and collected a data sample including 10.71 × 1020 protons-on-target (POT) of beam neutrinos, 3.36 × 1020 POT of beam antineutrinos and an atmospheric neutrino exposure of 37.88 kt yrs. The final measurement of the atmospheric neutrino oscillation parameters, m2 32 and θ23, came from a full three flavour oscillation analysis of the combined CC νμ and CC νμ beam and atmospheric samples and the CC νe and CC νe appearance samples. This analysis yielded the most precise measurement of the atmospheric mass splitting m2 32 performed to date. The results are |m2 32| = [2.28–2.46] × 10−3 eV2 (68%) and sin2 θ23 = 0.35–0.65 (90%) in the normal hierarchy, and |m2 32| = [2.32–2.53] × 10−3 eV2 (68%) and sin2 θ23 = 0.34–0.67 (90%) in the inverted hierarchy. The successor to MINOS in the NOνA era at FNAL, MINOS+, is now collecting data mostly in the 3–10 GeV region, and an analysis of νμ disappearance using the first 2.99 × 1020 POT of data produced results very consistent with those from MINOS. Future data will further test the standard neutrino oscillation paradigm and allow for improved searches for exotic phenomena including sterile neutrinos, large extra dimensions and non-standard interactions.

Type: Article
Title: Neutrino oscillations with MINOS and MINOS+
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.nuclphysb.2016.03.004
Publisher version: http://dx.doi.org/10.1016/j.nuclphysb.2016.03.004
Language: English
Additional information: Copyright © 2016 The Author. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/1493200
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