Credit: Xinhua/Jin Liwang On Wednesday in China, the JUNO facility reported a significant step in neutrino physics, reporting highly precise early findings from its experiment, marking an important milestone for international science and boosting the country’s role in particle physics.
This experiment points a new step in China’s scientific push, with researchers continuing to strengthen the nation’s role in Chinese neutrino physics through long-term international collaborations.
Underground Neutrino Observatory
JUNO is located 700 meters under a mountain in Guangdong and forms one of the world’s most advanced Underground Neutrino Observatory facilities. The huge sphere of the detector contains 20,000 tons of liquid scintillator, enabling scientists to study particles with a device ranking among the largest in the world as a large-scale neutrino detector.
Faint flashes of light appear when neutrinos pass through the liquid. These signals get recorded by over 45,000 sensors, forming a detailed picture and strengthening the nation’s progress in China neutrino science.
“Achieving such precision within only two months of operation shows that JUNO is performing exactly as designed,” said project manager Wang Yifang.
With its initial dataset, JUNO first matched and then surpassed previous measurements. The outcome illustrates how steadily China is widening its role in the global China particle physics, with growing international collaborations.
The Global Race to Understand Neutrino Physics
The key scientific objective of JUNO is the determination of the Neutrino mass ordering, a question which may explain why matter survived after the Big Bang. To achieve this, JUNO has to make very accurate measurements that will help scientists get closer to measuring neutrino mass with better precision than has ever been achieved.
More than 700 researchers around the world are involved in the project, underscoring the robust engagement in China particle physics as the country expands its role in major scientific projects.
“With this level of accuracy, JUNO will soon determine the neutrino mass ordering, test the three-flavour oscillation framework, and search for new physics beyond it,” Wang said.
These efforts contribute to the broader progress made in the neutrino research landscape, where new facilities race to uncover the remaining secrets of these elusive particles. As JUNO moves forward, many discoveries are foreseen that will push the frontiers of neutrino physics, especially as more data become available.
“JUNO will continue to produce important results and train new generations of physicists for decades to come,” said Cao Jun.
The early success of the project further strengthens the impact of the JUNO neutrino experiment, which will keep shaping future studies for several years to come.
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