V2EX antimuon

Antimuon

释义 Definition

反 μ 子(反缪子):μ 子(muon,缪子)的反粒子,带正电荷(+1e),质量与 μ 子相同但电荷相反;属于轻子家族。它可以由高能粒子相互作用或宇宙线产生,并会在极短时间内衰变。

发音 Pronunciation (IPA)

/ntimjun/

例句 Examples

Antimuons are produced in high-energy collisions.
反 μ 子会在高能碰撞中产生。

In cosmic-ray showers, an antimuon can travel a surprisingly long distance before it decays into a positron and neutrinos.
在宇宙线产生的级联粒子簇中,反 μ 子在衰变成正电子和中微子之前,可能会传播出令人惊讶的长距离。

词源 Etymology

anti- 表示“反、相对”(如 antimatter 反物质),muon(μ 子)源自希腊字母 μ(mu),用于命名这种粒子。Antimuon 直译即“μ子的反粒子”。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • Introduction to Elementary Particles(David J. Griffiths):在讨论轻子与反粒子时会提到 antimuon
  • Modern Particle Physics(Mark Thomson):涉及宇宙线与粒子探测、轻子衰变链时常出现 antimuon
  • CERN、Fermilab 等实验合作组的论文与技术报告:在 μ 子束、对撞实验与探测器事例分析中频繁使用 antimuon
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