Photon splitting bound on Lorentz Violation in QED from multi-TeV photon observation.
Institute for Nuclear Research of the Russian Academy of Sciences, Moscow 117312, Russia
Published online: 31 October 2018
We calculate the width of photon splitting to three photons in a special model of quantum electrodynamics with broken Lorentz invariance. This process may lead to a sharp cut-off in a photon spectrum of a given astrophysical source. Analysing experimental data, we set a constraint on Lorentz-violating mass scale from the absence of such cut-off in the Crab Nebula spectrum.
© The Authors, published by EDP Sciences, 2018
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