#beta decay

A cylindrical Penning-trap electrode stack seen through the open half of a split mu-metal shield, its ring electrode still faintly aglow with residual excitation while a nearby lock-in readout has not yet settled to a flat trace

The Valley of Stability Is a Fitness Landscape

Beta decay descends a binding-energy gradient the way an adaptive walk descends a fitness surface. Evolutionary nuclear physics grades that mapping term by term — exact where the physics is local, broken where it needs heredity nuclei do not have.

By Brecht Corbeel · September 1, 2026 · 20 min read

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