On photon splitting in theories with Lorentz invariance violation

Abstract

In a model with Lorentz invariance violation implemented through modified dispersion relations, we estimate the rate for the decay process gamma -> 3 gamma and find that it provides a relevant bound on Lorentz invariance violation.

arXiv comment3 pages; v2: discussion enlarged, results unchanged

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• Two-sided constraints on Lorentz Invariance violation from Tibet-AS$\gamma$ and LHAASO Very-High-Energy photon observations
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• Lorentz breaking Effective Field Theory and observational tests
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