Photon splitting constraint on Lorentz invariance violation from Crab Nebula spectrum

被引：24

作者：

Astapov, Konstantin ^{[1
]}

Kirpichnikov, Dmitry ^{[1
]}

Satunin, Petr ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Nucl Res, 60th October Anniversary Prospect 7a, Moscow 117312, Russia

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2019年 / 04期

关键词：

gamma ray theory; quantum gravity phenomenology; gamma ray experiments; QUANTUM-GRAVITY; HIGH-ENERGY; COSMIC-RAY; LIMITS; TESTS;

D O I：

10.1088/1475-7516/2019/04/054

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We calculate the decay width of the photon splitting into three photons in a model of quantum electrodynamics with broken Lorentz invariance. We show that this process can lead to a cut-off in the very-high-energy part of a photon spectra of astrophysical sources. We obtain the 95% CL bound on the Lorentz violating mass scale for photons from the analysis of the very-high-energy part of the Crab Nebula spectrum, obtained by HEGRA. This bound improves previous constraints by more than an order of magnitude.

引用

页数：16

共 45 条

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