利用超高能宇宙射线和空气阵雨测试修正麦克斯韦理论中的洛伦兹不变性

CPT and Lorentz Symmetry Pub Date : 2022-08-18 DOI:10.1142/9789811275388_0010

M. Risse

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引用次数: 1

摘要

宇宙射线和超高能量的空气阵雨是检验洛伦兹不变性有效性的独特工具。简要概述了这些测试的重点是各向同性，非双折射洛伦兹违反(LV)在光子扇区。基于明显不存在真空切伦科夫辐射和光子衰减，LV参数$\kappa$被限定为$-0.6 \cdot 10^{-20}<\kappa<6 \cdot 10^{-20}$ (98% CL)。我们报告了宇宙射线光子观测的最新极限和空气淋雨中真空切伦科夫辐射测试的初步结果。

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Using Ultrahigh-Energy Cosmic Rays and Air Showers to Test Lorentz Invariance Within Modified Maxwell Theory

Cosmic rays and air showers at ultra-high energy are unique tools to test the validity of Lorentz invariance. A brief overview is given on such tests focusing on isotropic, non-birefringent Lorentz violation (LV) in the photon sector. Based on the apparent absence of vacuum Cherenkov radiation and photon decay, the LV parameter $\kappa$ is bound to $-0.6 \cdot 10^{-20}<\kappa<6 \cdot 10^{-20}$ (98\% CL). We report an updated limit from cosmic-ray photon observations and preliminary results on testing vacuum Cherenkov radiation in air showers.

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CPT and Lorentz Symmetry

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