DUNE sensitivities to the mixing between sterile and tau neutrinos

Título traducido de la contribución: Sensibilidad del experimento DUNE a la mezcla entre el neutrino estéril y los neutrinos tau

Pilar Coloma, David V. Forero, Stephen J. Parke

Resultado de la investigación: Contribución a una revistaArtículo

9 Citas (Scopus)

Resumen

Light sterile neutrinos can be probed in a number of ways, including electroweak decays, cosmology and neutrino oscillation experiments. At long-baseline experiments, the neutral-current data is directly sensitive to the presence of light sterile neutrinos: once the active neutrinos have oscillated into a sterile state, a depletion in the neutral-current data sample is expected since they do not interact with the Z boson. This channel offers a direct avenue to probe the mixing between a sterile neutrino and the tau neutrino, which is currently only weakly constrained by current data from SuperK, IceCube and NOvA, however, these constrains will continue to improve as more data is collected by these experiments. In this work, we study the potential of the DUNE experiment to constrain the mixing angle which parametrizes this mixing, θ34, through the observation of neutral-current events at the far detector. We find that DUNE will be able to improve significantly over current constraints thanks to its large statistics and excellent discrimination between neutral- and charged-current events.

Título traducido de la contribuciónSensibilidad del experimento DUNE a la mezcla entre el neutrino estéril y los neutrinos tau
Idioma originalInglés
Número de artículo79
PublicaciónJournal of High Energy Physics
Volumen2018
N.º7
DOI
EstadoPublicada - 1 jul 2018
Publicado de forma externa

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