2018
DOI: 10.1038/s41567-018-0172-2
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Neutrino interferometry for high-precision tests of Lorentz symmetry with IceCube

M. G. Aartsen,
G. C. Hill,
A. Kyriacou
et al.

Abstract: Lorentz symmetry is a fundamental space-time symmetry underlying both the Standard Model of particle physics and general relativity. This symmetry guarantees that physical phenomena are observed to be the same by all inertial observers. However, unified theories, such as string theory, allow for violation of this symmetry by inducing new space-time structure at the quantum gravity scale. Thus, the discovery of Lorentz symmetry violation could be the first hint of these theories in Nature. Here we report the re… Show more

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Cited by 99 publications
(90 citation statements)
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“…Indeed, this effective potential has already been (locally) constrained by IceCube, using atmospheric neutrinos with energies 1 TeV. The limit on constant couplings of dimension-three operators is 10 −24 GeV [56], as could be expected from the vacuum oscillations term, ∆m 2 /(2 E ν ) = 5 × 10 −25 GeV (∆m 2 /10 −3 eV 2 ) (1 TeV/E ν ). Note that the effective interaction in the rest frame of the DM background has the Lorentz structure of a mass term, ν † ν, so similarly to the standard scenario, the lower the neutrino energy the more suppressed matter effects are.…”
mentioning
confidence: 93%
“…Indeed, this effective potential has already been (locally) constrained by IceCube, using atmospheric neutrinos with energies 1 TeV. The limit on constant couplings of dimension-three operators is 10 −24 GeV [56], as could be expected from the vacuum oscillations term, ∆m 2 /(2 E ν ) = 5 × 10 −25 GeV (∆m 2 /10 −3 eV 2 ) (1 TeV/E ν ). Note that the effective interaction in the rest frame of the DM background has the Lorentz structure of a mass term, ν † ν, so similarly to the standard scenario, the lower the neutrino energy the more suppressed matter effects are.…”
mentioning
confidence: 93%
“…Lorentz violation can also induce time variability of the neutrino oscillation [349]. Effects could be observed in short and long baseline neutrino oscillation experiments which ought to provide strong constraints lower-dimensional operators [347,[349][350][351][352][353][354][355][356][357][358][359].…”
Section: Lorentz Violationmentioning
confidence: 99%
“…The subtraction of P ð0Þ in RðtÞ made the fit insensitive to the isotropic amplitude ðCÞcd, whose coefficients can be extracted by analyzing the time-independent energy and baseline dependencies of the oscillation probability. These effects have been constrained by atmospheric neutrino data [20,21] well beyond the reach of Daya Bay. Without ðCÞcd, a total of nine different coefficients are contained in the amplitudes ðA s Þcd; ðA c Þcd; ðB s Þcd and ðB c Þcd, as shown in Eq.…”
Section: Analysis On Lv-cptv Coefficientsmentioning
confidence: 99%
“…The SME also predicts deviations from the standard L=E oscillation behavior. The oscillated neutrino energy spectrum of atmospheric neutrinos has been examined for such a distortion both in the Super Kamiokande [20] and IceCube [21] experiments. No positive LV or CPTV signal has yet been observed, and neutrino oscillation experiments have set some of the most stringent limits on the violation of these fundamental symmetries of nature, down to the level of 10 −28 [21].…”
Section: Introductionmentioning
confidence: 99%