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Constraints on oscillation parameters from ?e appearance and ?µ disappearance in NOvA

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posted on 2023-06-09, 06:51 authored by M Baird, T Blackburn, J P Davies, Jeff HartnellJeff Hartnell, D P Mendéz, M Tamsett, L Vinton, B Zamorano, The Nova Collaboration
Results are reported from an improved measurement of ?µ??e transitions by the NOvA experiment. Using an exposure equivalent to 6.05×1020 protons on target, 33 ?e candidates are observed with a background of 8.2±0.8 (syst.). Combined with the latest NOvA ?µ disappearance data and external constraints from reactor experiments on sin22?13, the hypothesis of inverted mass hierarchy with ?23 in the lower octant is disfavored at greater than 93% C.L. for all values of dCP.

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 Letters

ISSN

0031-9007

Publisher

American Physical Society

External DOI

Issue

23

Volume

118

Page range

1-7

Article number

a231801

Department affiliated with

  • Physics and Astronomy Publications

Research groups affiliated with

  • Experimental Particle Physics Research Group Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2017-06-22

First Open Access (FOA) Date

2017-06-22

First Compliant Deposit (FCD) Date

2017-06-22

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