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Neutrino interferometry for high-precision tests of Lorentz symmetry with IceCube

(2018) NATURE PHYSICS. 14(9). p.961-966
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Abstract
Lorentz symmetry is a fundamental spacetime 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 spacetime 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 results of the most precise test of spacetime symmetry in the neutrino sector to date. We use high-energy atmospheric neutrinos observed at the IceCube Neutrino Observatory to search for anomalous neutrino oscillations as signals of Lorentz violation. We find no evidence for such phenomena. This allows us to constrain the size of the dimension-four operator in the standard-model extension for Lorentz violation to the 10(-28) level and to set limits on higher-dimensional operators in this framework. These are among the most stringent limits on Lorentz violation set by any physical experiment.
Keywords
CPT VIOLATION, OSCILLATIONS, SEARCH

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Chicago
Aartsen, M. G., G. C. Hill, A. Kyriacou, S. Robertson, A. Wallace, B. J. Whelan, M. Ackermann, et al. 2018. “Neutrino Interferometry for High-precision Tests of Lorentz Symmetry with IceCube.” Nature Physics 14 (9): 961–966.
APA
Aartsen, M. G., Hill, G. C., Kyriacou, A., Robertson, S., Wallace, A., Whelan, B. J., Ackermann, M., et al. (2018). Neutrino interferometry for high-precision tests of Lorentz symmetry with IceCube. NATURE PHYSICS, 14(9), 961–966.
Vancouver
1.
Aartsen MG, Hill GC, Kyriacou A, Robertson S, Wallace A, Whelan BJ, et al. Neutrino interferometry for high-precision tests of Lorentz symmetry with IceCube. NATURE PHYSICS. 2018;14(9):961–6.
MLA
Aartsen, M. G. et al. “Neutrino Interferometry for High-precision Tests of Lorentz Symmetry with IceCube.” NATURE PHYSICS 14.9 (2018): 961–966. Print.
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  abstract     = {Lorentz symmetry is a fundamental spacetime 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 spacetime 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 results of the most precise test of spacetime symmetry in the neutrino sector to date. We use high-energy atmospheric neutrinos observed at the IceCube Neutrino Observatory to search for anomalous neutrino oscillations as signals of Lorentz violation. We find no evidence for such phenomena. This allows us to constrain the size of the dimension-four operator in the standard-model extension for Lorentz violation to the 10(-28) level and to set limits on higher-dimensional operators in this framework. These are among the most stringent limits on Lorentz violation set by any physical experiment.},
  author       = {Aartsen, M. G. and Hill, G. C. and Kyriacou, A. and Robertson, S. and Wallace, A. and Whelan, B. J. and Ackermann, M. and Bernardini, E. and Blot, S. and Bradascio, F. and Bretz, H. -P. and Brostean-Kaiser, J. and Franckowiak, A. and Jacobi, E. and Karg, T. and Kintscher, T. and Kunwar, S. and Nahnhauer, R. and Satalecka, K. and Spiering, C. and Stachurska, J. and Stasik, A. and Strotjohann, N. L. and Terliuk, A. and Usner, M. and van Santen, J. and Adams, J. and Bagherpour, H. and Aguilar, J. A. and Ansseau, I. and Heereman, D. and Meagher, K. and Meures, T. and O'Murchadha, A. and Pinat, E. and Raab, C. and Ahlers, M. and Bourbeau, E. and Koskinen, D. J. and Larson, M. J. and Medici, M. and Rameez, M. and Stuttard, T. and Ahrens, M. and Bohm, C. and Dumm, J. 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  issn         = {1745-2473},
  journal      = {NATURE PHYSICS},
  keywords     = {CPT VIOLATION,OSCILLATIONS,SEARCH},
  language     = {eng},
  number       = {9},
  pages        = {961--966},
  title        = {Neutrino interferometry for high-precision tests of Lorentz symmetry with IceCube},
  url          = {http://dx.doi.org/10.1038/s41567-018-0172-2},
  volume       = {14},
  year         = {2018},
}

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