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江门中微子实验正式运行取数
Nan Fang Ri Bao Wang Luo Ban· 2025-08-27 08:20
Core Insights - The Jiangmen Neutrino Experiment, located 700 meters underground in Jiangmen, Guangdong, has officially begun data collection, marking it as the first next-generation large-scale neutrino experiment in the world [1][2] - The experiment aims to address significant issues in particle physics, particularly the neutrino mass ordering problem, with expectations of achieving breakthroughs that will enhance the precision of three out of six neutrino oscillation parameters [1] Group 1 - The central detector of the Jiangmen Neutrino Experiment is buried 700 meters underground to effectively reduce cosmic ray interference [1] - The detector contains 20,000 tons of liquid scintillator, capable of detecting neutrinos produced by the Taishan and Yangjiang nuclear power plants located 53 kilometers away [1] - Neutrinos are the oldest and most abundant particles in the universe, characterized by their light mass and near-light speed, making them interact very weakly with other matter [1] Group 2 - The experiment is designed to have a lifespan of 30 years and can later be upgraded to become the world's most sensitive experiment for neutrinoless double beta decay [2] - The completion of the detector filling and the commencement of data collection is considered a historic milestone, enabling researchers to address fundamental questions about the nature of matter and the universe [2] - The Jiangmen Neutrino Experiment is led by the Institute of High Energy Physics of the Chinese Academy of Sciences, with participation from 74 global research institutions [2]
城市24小时 | “逐日之战”,安徽的新机会?
Mei Ri Jing Ji Xin Wen· 2025-08-26 15:06
Group 1 - The core viewpoint emphasizes the importance of seizing the critical window for breakthroughs in fusion energy technology, with a focus on technological innovation leading industrial innovation in Anhui province [1][2] - The global fusion industry has seen significant investment growth, reaching $9.766 billion, a 414% increase since 2021, indicating a competitive landscape among major countries [2] - Anhui province aims to cultivate a fusion energy industry cluster, leveraging its advantages and integrating resources across government, industry, academia, and finance [1][3] Group 2 - Anhui has positioned itself as a key player in the future industries, specifically in quantum information, fusion energy, and deep space exploration, with over 70 companies in the fusion energy supply chain [3] - The Chinese government has prioritized controlled nuclear fusion in its future industrial layout, with policies signaling a push towards practical applications of fusion technology [2] - The city of Hefei is recognized as a major hub for fusion research, hosting significant national scientific infrastructure like EAST and BEST [2][3]