A staff member works at the construction site of the underground neutrino observatory in Jiangmen, south China's Guangdong Province, June 15, 2023. (Xinhua/Deng Hua)
JIANGMEN, June 16 (Xinhua) -- A neutrino observatory is being built 700 meters underground in Jiangmen. The construction of its central detector is scheduled to be completed by 2024. One of the main goals of this observatory is to determine the neutrino mass hierarchy.
This photo taken on June 15, 2023 shows the construction site of the underground neutrino observatory in Jiangmen, south China's Guangdong Province. (Xinhua/Deng Hua)
This photo taken on June 15, 2023 shows the construction site of the underground neutrino observatory in Jiangmen, south China's Guangdong Province. (Xinhua/Deng Hua)
A staff member works at the construction site of the underground neutrino observatory in Jiangmen, south China's Guangdong Province, June 15, 2023. (Xinhua/Deng Hua)
A staff member works on the stainless steel truss of the central detector of the underground neutrino observatory in Jiangmen, south China's Guangdong Province, June 15, 2023. (Xinhua/Deng Hua)
This photo taken on June 15, 2023 shows the construction site of the underground neutrino observatory in Jiangmen, south China's Guangdong Province. (Xinhua/Deng Hua)
Staff members work on the stainless steel truss of the central detector of the underground neutrino observatory in Jiangmen, south China's Guangdong Province, June 15, 2023. (Xinhua/Deng Hua)
This photo taken on June 15, 2023 shows the construction site of the underground neutrino observatory in Jiangmen, south China's Guangdong Province. (Xinhua/Deng Hua)
