Nuclear radius (empirical) (R = R₀ A^(1/3))
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R = R₀ A^(1/3)
What each symbol means
| Symbol | What it stands for |
|---|---|
| A | Mass number (nucleon count) |
| R | Nuclear radius (m or fm) |
| R_0 | Constant ≈ 1.2 fm (1.1–1.3 depending on text) |
When to use this
Spherical nucleus approximation; works for stable medium/heavy nuclei.