Orateur
Prof.
Sergey Troitsky
(INR, Moscow)
Description
Observations of ensembles of distant gamma-ray sources suggest anomalous transparency of the intergalactic space for energetic gamma rays, which may be understood if the photons mix with an axion-like particle with well-constrained parameters. I briefly review these observations together with implications of the axion-like particle for physics, astrophysics and cosmology.
Author
Prof.
Sergey Troitsky
(INR, Moscow)
