Measuring the attenuation length of muon number in the air shower with muon detectors of 3/4 LHAASO array

Xiaoting Feng, Hengying Zhang, Cunfeng Feng +1

LHAASO KM2A consists of 5915 scintillation detectors and 1188 muon detectors, and the muon detectors cover 4% area of the whole array with 30 m spacing. The muon number of air show…