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中子质量 [zhōng zǐ zhì liàng]
neutron mass
- 质子或中子的质量和氢原子的质量大致相同。
A proton or a neutron has about the same mass as a hydrogen atom. - 从标准模型可以得知，质子与中子的质量几乎皆来自夸克与胶子的动能（其馀的质量则来自夸克的静止质量）。
The Standard Model lets us calculate that nearly all the mass of protons and neutrons is from the kinetic energy of their constituent quarks and gluons (the remainder is from the quarks' rest mass). - 称为微中子的粒子，携带的质量远小于其他的粒子，微中子的质量可能是间接得自于这些交互作用，或是来自于和另外第三个希格斯场的作用。
The masses of particles called neutrinos, which are tiny compared with other particle masses, could arise rather indirectly from these interactions or from yet a third kind of Higgs field.
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