u quark

• 1. 上夸克: up quark | u quark

• 1.这次实验，第一次记录下来的是一个介子，它是由一个反美夸克（ 美夸克的反粒子）和一个上夸克（组成质子和中子的普通夸克之一）所组成。
  This first recorded particle is a meson composed of an anti-beauty quark – the beauty quark's antiparticle – and an up quark – one of the two common quarks that make up protons and neutrons.
  dict.yoduao.com
• 2.最新实验研究结果在高灵敏度水平上展现了粲夸克偶素物理中的强衰变之谜。
  Recent experimental results defined nature of the hadronic decay puzzle in charmonium physics.
  dict.yoduao.com
• 3.在这点上，它将类似于已被探测到的最新基本粒子顶夸克一样。
  In this it will resemble the top quark, the latest fundamental particle to have been detected.
  dict.yoduao.com

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