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Título: | Search for light sterile neutrinos with the T2K far detector Super-Kamiokande at a baseline of 295 km |
Autor: | Antonova, M.; Cervera Villanueva, Anselmo CSIC; Fernandez Menendez, Pablo; Izmaylov, A. CSIC ORCID; Novella, Pau CSIC ORCID; T2K Collaboration | Fecha de publicación: | abr-2019 | Editor: | American Physical Society | Citación: | Physical Review D 99 (7): 071103(R) (2019) | Resumen: | We perform a search for light sterile neutrinos using the data from the T2K far detector at a baseline of 295 km, with an exposure of 14.7(7.6)×1020 protons on target in neutrino (antineutrino) mode. A selection of neutral-current interaction samples is also used to enhance the sensitivity to sterile mixing. No evidence of sterile neutrino mixing in the 3+1 model was found from a simultaneous fit to the charged-current muon, electron and neutral-current neutrino samples. We set the most stringent limit on the sterile oscillation amplitude sin2θ24 for the sterile neutrino mass splitting Δm412<3×10-3 eV2/c4. | URI: | http://hdl.handle.net/10261/196159 | DOI: | 10.1103/PhysRevD.99.071103 | Identificadores: | doi: 10.1103/PhysRevD.99.071103 issn: 2470-0029 |
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119_T2K_Search.pdf | 866,35 kB | Adobe PDF | Visualizar/Abrir |
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