In collisions of argon and scandium atomic nuclei, scientists from the international NA61/SHINE experiment have observed a clear anomaly indicative of a violation of one of the most important symmetries of the quark world: the approximate flavor symmetry between up and down quarks.
发布者:Dr.Durant,转转请注明出处:https://robotalks.cn/flavor-symmetry-of-the-high-energy-world-does-not-work-as-expected/