Determining neutrino oscillation parameters from atmospheric muon neutrino disappearance with three years of IceCube DeepCore data

dc.contributor.authorSantander, Marcos
dc.contributor.otherUniversity of Alabama Tuscaloosa
dc.date.accessioned2019-06-25T20:44:34Z
dc.date.available2019-06-25T20:44:34Z
dc.date.issued2015-04-07
dc.description.abstractWe present a measurement of neutrino oscillations via atmospheric muon neutrino disappearance with three years of data of the completed IceCube neutrino detector. DeepCore, a region of denser IceCube instrumentation, enables the detection and reconstruction of atmospheric muon neutrinos between 10 and 100 GeV, where a strong disappearance signal is expected. The IceCube detector volume surrounding DeepCore is used as a veto region to suppress the atmospheric muon background. Neutrino events are selected where the detected Cherenkov photons of the secondary particles minimally scatter, and the neutrino energy and arrival direction are reconstructed. Both variables are used to obtain the neutrino oscillation parameters from the data, with the best fit given by Δm^2_32 = 2.72^+0.19_-0.20 × 10^-3 eV^2 and sin^2 θ_23 = 0.53^+0.09_-0.12 (normal mass ordering assumed). The results are compatible, and comparable in precision, to those of dedicated oscillation experiments.en_US
dc.format.mimetypeapplication/pdf
dc.identifier.citationAartsen, M. G., et al. ( 2015): Determining Neutrino Oscillation Parameters from Atmospheric Muon Neutrino Disappearance with Three Years of IceCube DeepCore Data. Physical Review D, 91(7). DOI: http://dx.doi.org/10.1103/PhysRevD.91.072004
dc.identifier.doi10.1103/PhysRevD.91.072004
dc.identifier.urihttp://ir.ua.edu/handle/123456789/5848
dc.languageEnglish
dc.language.isoen_US
dc.publisherAmerican Physical Society
dc.subjectTRACK RECONSTRUCTION
dc.subjectENERGY-SPECTRUM
dc.subjectPERFORMANCE
dc.subjectAstronomy & Astrophysics
dc.subjectPhysics, Particles & Fields
dc.subjectPhysics
dc.titleDetermining neutrino oscillation parameters from atmospheric muon neutrino disappearance with three years of IceCube DeepCore dataen_US
dc.typetext
dc.typeArticle
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