Phys.Rev. C 109, L052501 (2024)

B.Kootte, H.Gallop, C.Luktuke, J.C.McNeil, A.Gorelov, D.G.Melconian, J.Klimo, B.M.Vargas-Calderon, J.A.Behr

Analog-antianalog isospin mixing in ⁴⁷K β^- decay

RADIOACTIVITY ⁴⁷K(β^-); measured decay recoils, Eβ, Iβ, shake-off electrons, photoions from optical pumping, nuclear polarization, (ions)β-coin; Fermi-to-Gamow-Teller matrix element ratio of decay to final 1/2⁺ state, isospin mixing with isobaric analog state, Coulomb mixing matrix element. TRIUMF's Neutral Atom Trap for β-decay (TRINAT) at TRIUMF-ISAC isotope separator online facility.

doi: 10.1103/PhysRevC.109.L052501