Semi-empirical mass formula (liquid-drop)

Layer 1 — Physicsin the nuclear-physics subtree

Bethe–Weizsäcker mass formula: B(A,Z) = a_V A − a_S A^{2/3} − a_C Z²/A^{1/3} − a_A (A−2Z)²/A ± δ(A,Z). Reproduces bulk trends in binding energies.

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