大国重器传来好消息！江门中微子实验首个重大成果发布

Core Insights - The Jiangmen Neutrino Experiment has officially commenced operations, marking a significant milestone in scientific research [1] - The experiment confirmed the existence of the solar neutrino anomaly, achieving a measurement precision improvement of 1.5 to 1.8 times compared to previous international experiments [3][5] - The primary scientific goal is to resolve a major issue in particle physics: the mass ordering of neutrinos, which could open new avenues for exploring the unknown physical world [5] Experiment Overview - The Jiangmen Neutrino Experiment was proposed by the Institute of High Energy Physics, Chinese Academy of Sciences in 2008, with construction starting in 2015 and completion in December 2021 [8] - The core detector has an effective mass of 20,000 tons and is located 44 meters underground, featuring a stainless steel shell and various key components for detecting neutrino interactions [8] Future Prospects - As the world's first large-scale, high-precision neutrino facility, the Jiangmen Neutrino Experiment is expected to facilitate cutting-edge research on neutrinos from various cosmic sources [11] - The facility has a design lifespan of 30 years and can be upgraded to become the most sensitive experiment for neutrinoless double beta decay, potentially addressing critical questions in particle physics, astrophysics, and cosmology [11]