介子 (jiè zǐ) — meson (elementary particle of the hadron family)

Definition

Examples

• 介子是一种由夸克和反夸克组成的基本粒子。
  jiè zǐ Shì yì zhǒng yóu kuā kè hé fǎn kuā kè zǔ chéng de jī běn lì zǐ.
  A meson is an elementary particle composed of a quark and an antiquark.
• 物理学家在大型加速器中发现了新的介子。
  Wù lǐ xué jiā zài dà xíng jiā sù qì zhōng fā xiàn le xīn de jiè zǐ.
  Physicists discovered a new meson in a large accelerator.
• 介子的寿命非常短，很快就衰变成其他粒子。
  jiè zǐ De shòu mìng fēi cháng duǎn, hěn kuài jiù shuāi biàn chéng qí tā lì zǐ.
  The lifetime of a meson is very short, and it quickly decays into other particles.