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Search for a Lorentz-violating sidereal signal with atmospheric neutrinos in IceCube
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2010 (English)In: Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, Vol. 82, no 11, 112003- p.Article in journal (Refereed) Published
Abstract [en]

A search for sidereal modulation in the flux of atmospheric muon neutrinos in IceCube was performed. Such a signal could be an indication of Lorentz-violating physics. Neutrino oscillation models, derivable from extensions to the standard model, allow for neutrino oscillations that depend on the neutrino's direction of propagation. No such direction-dependent variation was found. A discrete Fourier transform method was used to constrain the Lorentz and CPT-violating coefficients in one of these models. Because of the unique high energy reach of IceCube, it was possible to improve constraints on certain Lorentz-violating oscillations by 3 orders of magnitude with respect to limits set by other experiments.

Place, publisher, year, edition, pages
2010. Vol. 82, no 11, 112003- p.
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Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-147778DOI: 10.1103/PhysRevD.82.112003ISI: 000286566200001OAI: oai:DiVA.org:uu-147778DiVA: diva2:400864
Available from: 2011-02-28 Created: 2011-02-28 Last updated: 2015-06-24Bibliographically approved

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Perez de los Heros, CarlosTaavola, Henric

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