Phys.Rev.Lett. 131, 052503 (2023)

M.Stukel, for the KDK Collaboration

Rare ⁴⁰K Decay with Implications for Fundamental Physics and Geochronology

RADIOACTIVITY ⁴⁰K(EC); measured decay products, Eγ, Iγ, X-rays; deduced electron capture branching ratios, yields. Comparison with available data. The KDK (potassium decay) collaboration.

doi: 10.1103/PhysRevLett.131.052503