The Stereoscopic Water Cherenkov Detector Array (SWCDA) project is the next generation ground-based high-energy gamma-ray observation experiment, aiming to design a high-energy (HE) gamma-ray observatory sensitive to energy range from 100 GeV to hundreds of TeV. It consists of a liquid scintillator (LS) array and a stereoscopic water Cherenkov detector array. Considering the portable and low cost for future planning, LS detector is composed of a polymethylmethacrylate (PMMA) box used to contain LS, wavelength shifting (WLS) fibers, clear optical fibers used to collect and transmit the scintillation light, and a photomultiplier tube (PMT) used to convert the light signals into electrical signals. In this work, the development of the LS detector is discussed in detail. We have built prototype experiments inside the Tibet AS𝛾 air-shower array by the end of 2024. It will be jointly run with the Tibet AS𝛾 experiment in a hybrid array to test the performance.
Zhang et al. (Wed,) studied this question.
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