Effects of Lorentz invariance violation on cosmic ray photon emission and gamma ray decay processes

H. Martínez-Huerta, A. Pérez-Lorenzana

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Resumen

In this work, we use Lorentz invariance violation (LIV) introduced as a generic modification to particle dispersion relations to study some consequences of single photon emission, known as vacuum Cherenkov radiation, and photon decay processes in cosmic and gamma rays. These processes are forbidden in a Lorentz invariant theory but allowed under the hypothesis of LIV. We show that the emission rate have a dependency on the cosmic ray primary mass and the electric charge that could modify the UHECR spectrum. Furthermore, LIV dramatically enhances photon decay into an electro-positron pair above certain energy threshold. This last effect can then be used to set limits to the LIV energy scale from the direct observation of very high energy cosmic photon events by telescopes of gamma-rays. © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives 4.0 International License (CC BY-NC-ND 4.0).
Idioma originalEnglish
DOI
EstadoPublished - 2017
Evento35th International Cosmic Ray Conference, ICRC 2017 - Bexco, Busan
Duración: 10 jul 201720 jul 2017

Conference

Conference35th International Cosmic Ray Conference, ICRC 2017
País/TerritorioKorea, Republic of
CiudadBexco, Busan
Período10/7/1720/7/17

Nota bibliográfica

Publisher Copyright:
© Copyright owned by the author(s) under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives 4.0 International License (CC BY-NC-ND 4.0).

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