These particles are called "quarks" and they come in six different "flavors" but Jaffe only looked at the most common quarks: the 'up,' 'down' and 'strange'.
这些粒子叫做“夸克”,它们有六种不同的“味”,但Jaffe只着眼于最常见的夸克:“顶夸克”、“底夸克”和“奇异夸克”。
Only the Up and Down quarks are found inside atoms of the normal matter. The other quarks are made in particle accelerators.
普通正常物质的原子内部只有上、下夸克。而其它夸克是由粒子加速器产生的。
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.
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。
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