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Neutrino mass ordering in light of recent data

Kelly, Kevin J. ; Machado, Pedro A. N. ; Parke, Stephen J. ; Perez-Gonzalez, Yuber F. ; Funchal, Renata Zukanovich

Physical review. D, 2021-01, Vol.103 (1), p.1, Article 013004 [Periódico revisado por pares]

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Título:
Neutrino mass ordering in light of recent data
Autor: Kelly, Kevin J. ; Machado, Pedro A. N. ; Parke, Stephen J. ; Perez-Gonzalez, Yuber F. ; Funchal, Renata Zukanovich
Assuntos: Beta decay ; Confidence intervals ; Cosmology ; Experiments ; neutrino oscillations ; Neutrinos ; Particle physics ; particles & fields ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
É parte de: Physical review. D, 2021-01, Vol.103 (1), p.1, Article 013004
Notas: USDOE Office of Science (SC), High Energy Physics (HEP)
Marie Sklodowska-Curie Foundation
FERMILAB-PUB-20-330-T
AC02-07CH11359; 690575; 674896
Descrição: We inspect recently updated neutrino oscillation data-specifically coming from the Tokai to Kamioka and NuMI Off-axis νe Appearance experiments-and how they are analyzed to determine whether the neutrino mass ordering is normal (m1 < m2 < m3) or inverted (m3 < m1 < m2). We show that, despite previous results giving a strong preference for the normal ordering, with the newest data from T2K and NOvA, this preference has all but vanished. Additionally, we highlight the importance of this result for nonoscillation probes of neutrinos, including neutrinoless double beta decay and cosmology. Future experiments, including JUNO, DUNE, and T2HK will provide valuable information and determine the mass ordering at a high confidence level.
Editor: College Park: American Physical Society
Idioma: Inglês

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