The Large High Altitude Air Shower Observatory (LHAASO) Science Book (2021 Edition)
Zhen Cao (1, 2, 3), D. della Volpe (20), Siming Liu (8),, Editors: Xiaojun Bi (1, 2, 3), Yang Chen (10), B. D'Ettorre Piazzoli, (18), Li Feng (12), Huanyu Jia (8), Zhuo Li (26), Xinhua Ma (1, 3),, Xiangyu Wang (10), Xiao Zhang (10), External Referees: Xiushu Qie (99),

TL;DR
LHAASO is a state-of-the-art observatory in China designed to study cosmic rays and gamma rays across a wide energy range, enabling groundbreaking research in astrophysics and fundamental physics.
Contribution
This paper provides a comprehensive overview of LHAASO's instrumental features and scientific prospects, marking its transition from project to operational observatory.
Findings
LHAASO achieves unprecedented sensitivity in cosmic ray and gamma-ray measurements.
It enables detailed studies of cosmic ray origin, acceleration, and propagation.
The observatory opens new avenues for fundamental physics research.
Abstract
Since the science white paper of the Large High Altitude Air Shower Observatory (LHAASO) published on arXiv in 2019 [e-Print: 1905.02773 (astro-ph.HE)], LHAASO has completed the transition from a project to an operational gamma-ray astronomical observatory LHAASO is a new generation multi-component facility located in Daocheng, Sichuan province of China, at an altitude of 4410 meters. It aims at measuring with unprecedented sensitivity the spectrum, composition, and anisotropy of cosmic rays in the energy range between 10 and 10~eV, and acting simultaneously as a wide aperture (one stereoradiant) continuously operating gamma-ray telescope in the energy range between 10 and ~eV with the designed sensitivity of 1.3\% of the Crab Unit (CU) above 100 TeV. LHAASO's capability of measuring simultaneously different shower components (electrons, muons, and…
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Gamma-ray bursts and supernovae · Dark Matter and Cosmic Phenomena
