Shulou(Shulou.com)11/24 Report--

Thanks to CTOnews.com netizen amocken for the clue delivery! CTOnews.com, November 5, according to the official account of Innovation Songshan Lake, the first Miaozi Application Seminar of China's first Miaozi Source-China Spallation Neutron Source Experimental Station (MELODY) was held in Dongguan from November 4 to 6, announcing that the first Miaozi device in China and the fifth international Miaozi device would be built in Dongguan.

CTOnews.com notes that Miuzi is one of the elementary particles in the standard model of particle physics, and there are currently only two ways to produce it: cosmic rays and accelerators. Their essence is the same, pion is obtained by bombarding target particles with high energy proton beam, and pion is obtained after pion decay.

Muons are unstable elementary particles, heavier than electrons and neutrinos, but lighter than all other particles of matter. They decay through weak interactions, and the most common decay routes are an electron, an antielectric neutrino and a Miao neutrino.

According to the official account of innovative Songshan Lake, in the past, because of the lack of high-power proton accelerators that Miaozi source relied on, there were no conditions to build Miaozi source, and a lot of research work using Miaozi beam as an experimental platform or probe could not be carried out in China. As the second phase of the Spallation Neutron Source Project in China has entered the preparatory stage, MELODY has been clearly included in the construction content.

Since the beginning of this year, Miao Ziyuan has completed the preliminary design and is expected to complete the construction within five years and nine months. When completed, Miaozi source will play an important role in condensed matter physics, magnetic materials, new energy materials, superconducting materials and other fields.

The strong penetration ability of Miaozi makes it possible to penetrate a thick shielding layer so that it can be used to detect heavy element materials. In recent years, Muzi imaging technology has been paid attention to and studied, that is, the radiation imaging of large matter is carried out by using the principle of different scattering angle when Muzi passes through matter with different atomic mass. This new detection method is used in the field of nuclear safety, and can effectively detect well-packaged nuclear materials, such as uranium-235, plutonium-239 and so on.

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