【新华社】捕捉“幽灵粒子” 江门中微子实验测量精度创新高

Core Insights - The Jiangmen Neutrino Experiment has achieved significant advancements in measuring neutrino oscillation parameters, improving precision by 1.5 to 1.8 times compared to previous experiments [3][5][6] - This experiment is crucial for understanding the mass hierarchy of neutrinos, which are fundamental particles that play a key role in the evolution of the universe [5][6] Group 1: Experiment Overview - The Jiangmen Neutrino Experiment is located 700 meters underground in Jiangmen, Guangdong, and has been operational for two months, yielding promising results [3][4] - The experiment's core detector consists of a giant acrylic sphere containing 20,000 tons of liquid scintillator, making it the largest of its kind globally, enhancing detection capabilities significantly [6][7] Group 2: Scientific Significance - The experiment aims to capture elusive neutrinos, often referred to as "ghost particles," which are challenging to detect due to their extremely small mass and minimal interaction with matter [5][6] - The project is expected to contribute to groundbreaking scientific discoveries and foster collaboration with global scientists to produce impactful research outcomes [7]