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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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arxiv 2106.06393 v3 pith:NJZR6XJU submitted 2021-06-11 hep-ph astro-ph.HE

classification hep-phastro-ph.HE
keywords constraintsgammainvariancelhaasolorentzobservationsphotonscenario
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abstract

We present new two-sided constraints on Lorentz Invariance violation energy scale for photons with quartic dispersion relation from recent gamma ray observations by Tibet-AS$\gamma$ and LHAASO experiments. The constraints are based on the consideration of the processes of photon triple splitting (superluminal scenario) and the suppression of shower formation (subluminal). The constraints in subluminal scenario are better than the pair production constraints and are the strongest in the literature.

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  1. Constraining Lorentz invariance violation from the depth of air-shower maximum

    astro-ph.HE 2026-08 conditional novelty 6.0 of 10

    A simulation-based toy analysis of Auger Xmax data yields M_LIV > 1.5e21 GeV (95% CL) for subluminal photon-sector Lorentz invariance violation, subject to simplified detector and composition assumptions.

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