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Why the universe is unexpectedly transparent to very high energy gamma rays
(Sissa Medialab, 2017)
Recent observations of distant gamma ray sources indicate that the universe may be more transparent to VHE-gamma-rays than expected. In this paper we study the reduction of the EBL gamma-gamma opacity due to the existence ...
The effects of EBL inhomogeneity on the gamma-gamma absorption of VHE gamma-rays
(HEASA, 2016)
Very High Energy Gamma Rays (VHE; more than 100 GeV) from Cosmological Gamma Ray
Sources such as blazars can be absorbed by the Extragalactic Background light (EBL), which
leads to a high-energy cut-off in blazar spectral ...