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Article
Report number arXiv:1807.05155 ; KCL-PH-TH/2018-37 ; CERN-TH/2018-166 ; KCL-PH-TH-2018-37 ; CERN-TH-2018-166
Title Limits on Neutrino Lorentz Violation from Multimessenger Observations of TXS 0506+056
Author(s) Ellis, John (King's Coll. London ; CERN ; NICPB, Tallinn) ; Mavromatos, Nikolaos E. (King's Coll. London) ; Sakharov, Alexander S. (Manhattan Coll., Riverdale ; CERN) ; Sarkisyan-Grinbaum, Edward K. (CERN ; Texas U., Arlington)
Publication 2019-02-10
Imprint 2018-07-13
Number of pages 4
Note 11 pages, no figures, version accepted for publication in PLB
In: Phys. Lett. B 789 (2019) 352-355
DOI 10.1016/j.physletb.2018.11.062 (publication)
Subject category hep-th ; Particle Physics - Theory ; hep-ph ; Particle Physics - Phenomenology ; gr-qc ; General Relativity and Cosmology ; astro-ph.CO ; Astrophysics and Astronomy ; astro-ph.HE ; Astrophysics and Astronomy
Abstract The observation by the IceCube Collaboration of a high-energy (E200 TeV) neutrino from the direction of the blazar TXS 0506+056 and the coincident observations of enhanced γ-ray emissions from the same object by MAGIC and other experiments can be used to set stringent constraints on Lorentz violation in the propagation of neutrinos that is linear in the neutrino energy: Δv=E/M1, where Δv is the deviation from the velocity of light, and M1 is an unknown high energy scale to be constrained by experiment. Allowing for a difference in neutrino and photon propagation times of 10 days, we find that M13×1016 GeV. This improves on previous limits on linear Lorentz violation in neutrino propagation by many orders of magnitude, and the same is true for quadratic Lorentz violation.
Copyright/License publication: (License: CC-BY-4.0)
preprint: (License: arXiv nonexclusive-distrib 1.0)
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