Speaker
Description
The origin, acceleration, and propagation of Galactic cosmic rays is a fundamental question in astrophysics. The Large High Altitude Air Shower Observatory (LHAASO) is a major national science and technology infrastructure facility in China. With hybrid detection techniques of surface air shower array, underground muon detector array, water Cherenkov detector, and atmospheric Cherenkov telescope array, LHAASO has achieved unprecedent sensitivity and precision in surveying the ultra-high-energy gamma-ray sky and measuring the spectra and anisotropies of individual compositions of cosmic rays. Starting its full operation since 2021, LHAASO has made important progresses in observing Galactic PeVatrons and diffuse emission, measuring cosmic ray spectra and mass composition, as well as probing new physics. This talk will summarize the scientific results of LHAASO, and the role in understanding the origin of Galactic cosmic rays.