Δ粒子，一种重子，仅由上夸克与下夸克组成。质量为1,232 MeV/c2。自旋与同位旋为3/2。
列表
| 粒子名称 | 符号 | 夸克 组成 |
静质量 (MeV/c2) | I | JP | Q (e) | S | C | B' | T | 平均寿命 (s) | 常规衰变方式 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Delta | Δ++(1232) | uuu | 1,232 ± 1 | 3⁄2 | 3⁄2+ | +2 | 0 | 0 | 0 | 0 | 5.58 ± 0.09 × 10−24 | p+ + π+ |
| Delta | Δ+(1232) | uud | 1,232 ± 1 | 3⁄2 | 3⁄2+ | +1 | 0 | 0 | 0 | 0 | 5.58 ± 0.09 × 10−24 | π+ + n⁰ 或π⁰ + p+ |
| Delta | Δ⁰(1232) | udd | 1,232 ± 1 | 3⁄2 | 3⁄2+ | 0 | 0 | 0 | 0 | 0 | 5.58 ± 0.09 × 10−24 | |
| Delta | Δ⁻(1232) | ddd | 1,232 ± 1 | 3⁄2 | 3⁄2+ | −1 | 0 | 0 | 0 | 0 | 5.58 ± 0.09 × 10−24 |
参考文献
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