Active Galactic Nuclei Shed Light on Axion-like-Particles

Details Active Galactic Nuclei Shed Light on Axion-like-Particles Active Galactic Nuclei Shed Light on Axion-like-Particles

2009-02-13

arxiv.org/abs/0902.2320v1

Phys.Rev.Lett.102:201101,2009

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.102.201101

We demonstrate that the scatter in the luminosity relations of astrophysical
objects can be used to search for axion-like-particles (ALPs). This analysis is
applied to observations of active galactic nuclei, where we find evidence
strongly suggestive of the existence of a very light ALP.

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