PhysRevD.98.112013.pdf (2.01 MB)
Tests of Lorentz invariance at the Sudbury Neutrino Observatory
Version 2 2023-06-12, 08:54
Version 1 2023-06-09, 16:12
journal contribution
posted on 2023-06-12, 08:54 authored by B Aharmim, S N Ahmed, A E Anthony, N Barros, E W Beier, A Bellerive, B Beltran, M Bergevin, S D Biller, R Bonventre, K Boudjemline, M G Boulay, B Cai, E J Callaghan, J Caravaca, Y D Chan, D Chauhan, M CHEN, B T Cleveland, G A Cox, X Dai, H Deng, F B Descamps, Simon PeetersSimon Peeters, SNO Collaboration, othersExperimental tests of Lorentz symmetry in systems of all types are critical for ensuring that the basic assumptions of physics are well founded. Data from all phases of the Sudbury Neutrino Observatory, a kiloton-scale heavy water Cherenkov detector, are analyzed for possible violations of Lorentz symmetry in the neutrino sector. Such violations would appear as one of eight possible signal types in the detector: six seasonal variations in the solar electron neutrino survival probability differing in energy and time dependence and two shape changes to the oscillated solar neutrino energy spectrum. No evidence for such signals is observed, and limits on the size of such effects are established in the framework of the standard model extension, including 38 limits on previously unconstrained operators and improved limits on 16 additional operators. This makes limits on all minimal, Dirac-type Lorentz violating operators in the neutrino sector available for the first time.
Funding
Sussex Experimental Particle Physics 2015 Consolidated Grant; G1763; STFC-SCIENCE AND TECHNOLOGY FACILITIES COUNCIL; ST/N000307/1
History
Publication status
- Published
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- Published version
Journal
Physical Review DISSN
2470-0010Publisher
American Physical SocietyIssue
11Volume
98Page range
112013 1-18Department 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
2018-12-11First Open Access (FOA) Date
2019-01-10First Compliant Deposit (FCD) Date
2018-12-10Usage metrics
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