Today (the 20th), with the final photomultiplier tube module installed, the main structure of the Jiangmen neutrino experimental detector was completed.

The Jiangmen neutrino experiment is a large-scale scientific facility that research teams have spent many years constructing 700 meters below ground in Jiangmen, Guangdong. Using this deeply buried facility, scientists aim to capture and detect one of the oldest and most fundamental particles in the universe — neutrinos.

Neutrinos are one of the fundamental particles that make up the material world. Because they are extremely difficult to detect, they are also known as "ghost particles," and many mysteries surrounding them remain unsolved.

In the future, researchers will capture neutrinos using the Jiangmen neutrino experimental detector and conduct studies to gain a better understanding of the universe and the material world.