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Axion-like particles and recent observations of the cosmic infrared background radiation

Kohri, Kazunori; Kodama, Hideo

The CIBER collaboration released their first observational data of the Cosmic IR background (CIB) radiation, which has significant excesses at around the wavelength ∼1 µ m compared to theoretically-inferred values. The amount of the CIB radiation has a significant influence on the opaqueness of the Universe for TeV gamma-rays emitted from di…