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First measurement of muon-neutrino disappearance in NOvA

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posted on 2023-06-09, 01:02 authored by J P Davies, Jeff HartnellJeff Hartnell, M C Tamsett, L Vinton, A Waldron, B Zamorano, T Blackburn
This paper reports the first measurement using the NOvA detectors of ?µ disappearance in a ?µ beam. The analysis uses a 14 kton-equivalent exposure of 2.74×1020 protons-on-target from the Fermilab NuMI beam. Assuming the normal neutrino mass hierarchy, we measure ?m232=(2.52+0.20-0.18)×10-3??eV2 and sin2?23 in the range 0.38–0.65, both at the 68% confidence level, with two statistically degenerate best-fit points at sin2?23=0.43 and 0.60. Results for the inverted mass hierarchy are also presented.

Funding

Probing Fundamental Physics with Antineutrinos at the NOvA Experiment; G0949; EUROPEAN UNION; 307395

History

Publication status

  • Published

File Version

  • Published version

Journal

Physical Review D

ISSN

1550-7998

Publisher

American Physical Society

Issue

5

Volume

93

Page range

051104

Department affiliated with

  • Physics and Astronomy Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2016-04-26

First Open Access (FOA) Date

2016-04-26

First Compliant Deposit (FCD) Date

2016-04-26

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