| 单词 | delta meson |
| 释义 | delta meson [`del·tǝ `mā´sän] PARTICLE PHYSICS Any scalar meson resonance, with positive charge conjugation parity, belonging to a multiplet with a total isospin of 1, a hypercharge of zero, a mass of 962±5 MeV, and a width < 5 MeV. Designated δ(962). |
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