Neutrino constraints on spontaneous Lorentz violation

Yuval Grossman, Can Kilic, Jesse Thaler, and Devin G. E. Walker
Phys. Rev. D 72, 125001 – Published 1 December 2005

Abstract

We study the effect of spontaneous Lorentz violation on neutrinos. We consider two kinds of effects: static effects, where the neutrino acquires a Lorentz-violating dispersion relation, and dynamic effects, which arise from the interactions of the neutrino with the Goldstone boson of spontaneous Lorentz violation. Static effects are well detailed in the literature. Here, special emphasis is given to the novel dynamic effect of Goldstone-Čerenkov radiation, where neutrinos moving with respect to a preferred rest frame can spontaneously emit Goldstone bosons. We calculate the observable consequences of this process and use them to derive experimental bounds from SN1987A and the CMBR. The bounds derived from dynamic effects are complementary to—and in many cases much stronger than—those obtained from static effects.

  • Figure
  • Received 21 July 2005

DOI:https://doi.org/10.1103/PhysRevD.72.125001

©2005 American Physical Society

Authors & Affiliations

Yuval Grossman1,2,3, Can Kilic1, Jesse Thaler1, and Devin G. E. Walker1

  • 1Jefferson Laboratory of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
  • 2Physics Department, Boston University, Boston, Massachusetts 02215, USA
  • 3Department of Physics, Technion-Israel Institute of Technology, Technion City, 32000 Haifa, Israel

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Issue

Vol. 72, Iss. 12 — 15 December 2005

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