Photon splitting bound on Lorentz Violation in QED from multi-TeV photon observation.
Keyword(s):
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.
2019 ◽
Vol 79
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2007 ◽
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pp. 013-013
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pp. 054-054
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pp. 1450039
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Vol 8
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pp. Tm_35-Tm_40
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