V2EX w boson

W Boson

定义 Definition

W 玻色子(W boson)是弱相互作用的带电规范玻色子之一(记作 WW),在粒子物理中负责许多弱衰变过程,例如某些放射性 β 衰变;它与 Z 玻色子一起构成电弱理论的关键粒子。(该词在不同语境下也可泛指“W 粒子”。)

例句 Examples

The W boson mediates the weak force.
W 玻色子传递弱相互作用。

In high-energy collisions, a W boson can be produced and then decay into a lepton and a neutrino.
在高能碰撞中,可能产生一个 W 玻色子,随后它会衰变成一个轻子和一个中微子。

发音 Pronunciation (IPA)

/dbl.ju bozn/(美式常见)
/dbl.ju bzn/(英式常见)

词源 Etymology

Boson(玻色子)源自物理学家 Satyendra Nath Bose(玻色)的姓;“W”通常解释为 weak(弱) 的缩写,用来指代电弱理论中的带电弱规范玻色子,区别于中性的 Z 玻色子

相关词 Related Words

文学与著作中的出现 Literary Works

  • Stephen Hawking, A Brief History of Time(《时间简史》)在通俗介绍粒子与基本相互作用时提到电弱理论相关粒子(包括 W、Z 玻色子)。
  • Leon M. Lederman, The God Particle(《上帝粒子》)讨论粒子物理与标准模型背景时涉及 W 玻色子等。
  • Roger Penrose, The Road to Reality(《通往实在之路》)在较系统的物理概述中讨论规范场与电弱理论,涉及 W 玻色子。
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