Astrophysical origins of ultra-high energy gamma-ray emissions
The Large High Altitude Air Shower Observatory(LHAASO),one of the key national scientific facilities of China,has ushered in the new era of ultra-high energy gamma-ray astronomy.As of now,it has discovered many important phenomena,providing us with critical clues to unravel the puzzle of the origin of Galactic cosmic rays and a unique tool to probe extreme physical processes in extreme astrophysical objects.This paper will describe the ultra-high energy gamma-ray sources detected by LHAASO,as well as the physical pictures of relevant astrophysical objects.
Large High Altitude Air Shower Observatoryultra-high energy gamma-rayorigin of cosmic raysextreme physical processes
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