单词 | isospin |
释义 | isospin/ˈʌɪsə(ʊ)spɪn /noun [mass noun] Physics A vector quantity or quantum number assigned to subatomic particles and atomic nuclei and having values such that similar particles differing only in charge-related properties (independent of the strong interaction between particles) can be treated as different states of a single particle.In short, they are similar to electric charge, isospin, and all the other internal quantum numbers of elementary particles....
Origin1960s: contraction of isotopic spin, isobaric spin. |
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