JUNO project begins final construction phase for neutrino research in China

The Jiangmen Underground Neutrino Observatory (JUNO) has begun filling its detector pool with ultra-pure water, marking the final construction phase. This process is expected to finish by August 2025, after which data collection will start. JUNO's detector, located 700 meters underground, will use 20,000 tons of liquid scintillator to study neutrinos. The facility aims to measure neutrino mass hierarchy and oscillation parameters, contributing to research on supernovae and the universe's origins. With a detector volume 20 times larger than similar projects, JUNO offers enhanced accuracy and sensitivity. It involves over 700 scientists from 17 countries, positioning it as a leading center for neutrino research alongside Japan's Hyper-Kamiokande and the U.S. Deep Underground Neutrino Experiment.