One way in which these mesons decay is by the transformation of the bottom antiquark into a so-called " strange" antiquark and a pair of leptons, a different class of fundamental particle that includes electrons and their more massive cousins, muons.

这些介子衰变的一种方式是将底部的反夸克转变为所谓的“奇异”反夸克和一对轻子，轻子是一种不同的基本粒子，包括电子及其质量更大的表亲介子。