Chapter 1 LHAASO Instruments and Detector technology
Xin-Hua Ma (Key Laboratory of Particle Astrophyics & Experimental Physics Division & Computing Center, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China, TIANFU Cosmic Ray Research Center, Chengdu, Sichuan, China); Yu-Jiang Bi (Key Laboratory of Particle Astrophyics & Experimental Physics Division & Computing Center, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China, TIANFU Cosmic Ray Research Center, Chengdu, Sichuan, China); Zhen Cao (University of Chinese Academy of Sciences, Beijing 100049, China, Key Laboratory of Particle Astrophyics & Experimental Physics Division & Computing Center, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China, TIANFU Cosmic Ray Research Center, Chengdu, Sichuan, China); Ming-Jun Chen (Key Laboratory of Particle Astrophyics & Experimental Physics Division & Computing Center, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China, TIANFU Cosmic Ray Research Center, Chengdu, Sichuan, China); Song-Zhan Chen (Key Laboratory of Particle Astrophyics & Experimental Physics Division & Computing Center, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China, TIANFU Cosmic Ray Research Center, Chengdu, Sichuan, China); et al - Show all 24 authors
The Large High Altitude Air Shower Observatory (LHAASO) (Fig. 1) is located at Mt. Haizi (4410 m a.s.l., 600 g/cm$^{2}$, 29° 21’ 27.56” N, 100° 08’ 19.66” E) in Daocheng, Sichuan province, P.R. China. LHAASO consists of 1.3 km$^{2}$ array (KM2A) of electromagnetic particle detectors (ED) and muon detectors (MD), a water Cherenkov detector array (WCDA) with a total active area of 78,000 m$^{2}$, 18 wide field-of-view air Cherenkov telescopes (WFCTA) and a newly proposed electron-neutron detector array (ENDA) covering 10,000 m$^{2}$. Each detector is synchronized with all the other through a clock synchronization network based on the White Rabbit protocol. The observatory includes an IT center which comprises the data acquisition system and trigger system, the data analysis facility. In this Chapter, all the above-mentioned components of LHAASO as well as infrastructure are described.
