China's observatory detects particles of ultrahigh energy in Milky Way

2021-05-18 Editor : Ji Xiang ECNS App Download

(ECNS)-- China's Large High Altitude Air Shower Observatory (LHAASO)—one of the country's key national science and technology infrastructure facilities—has found a dozen ultrahigh-energy (UHE) cosmic accelerators within the Milky Way.

It has also detected photons with energies exceeding 1 peta-electron-volt (quadrillion electron-volts or PeV), including one at 1.4 PeV.

The Institute of High Energy Physics of Chinese Academy of Sciences and Springer Nature jointly released the major discovery on Monday.

The LHAASO, covering an area of 1.36 square kilometers, is like a copper coin placed between mountains through the lens of the unmanned aviation vehicle. The LHAASO consists of Electromagnetic Particle Detector Array, Muon-detector Array, Water Cherenkov Detector Array, Wide Field-of-view Cherenkov Telescope Array, etc.

The LHAASO is located in Haizi Mountain at an altitude of 4,410 meters in Daocheng County and is expected to be completed in 2021 to realize full arrays of scientific observation.


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