Phys.Rev. C 104, 024326 (2021)

R.D.Harding, A.N.Andreyev, A.E.Barzakh, J.G.Cubiss, P.Van Duppen, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, T.E.Cocolios, T.Day Goodacre, K.Dockx, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, J.D.Johnson, D.T.Joss, M.Huyse, N.Imai, K.M.Lynch, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, G.G.O'Neill, R.D.Page, R.E.Rossel, S.Rothe, M.D.Seliverstov, S.Sels, C.Van Beveren, E.Verstraelen

Laser-assisted nuclear decay spectroscopy of ^{176, 177, 179}Au

RADIOACTIVITY ¹⁷⁹Au(α), (EC), (β⁺); ^{177,177m,176,176m}Au, ^176,177,179Pt, ^{173,173m,172,172m}Ir(α)[^179,177,176Au laser ionized and mass-separated beams from U(p, X), E=1.4 GeV, followed by separation of products using Resonance Ionization Laser Ion Source (RILIS) and General Purpose Separator (GPS) at the Windmill decay station of ISOLDE-CERN facility]; measured Eα, Iα, K-x rays, Eγ, Iγ, αγ-coin. ¹⁷⁹Pt, ^175,173,172Ir, ¹⁷⁵Os, ^169,168Re; deduced levels, J, π, α-hindrance factors, reduced α-widths, conversion coefficients, multipolarities. ^176,176mAu; deduced α-decay branching ratios for the low-spin and high-spin states. ¹⁷⁹Au; measured half-life of the decay of the ground state. Systematics of α-reduced widths for ^{171,173,175,176,177,179}Au α decays.

NUCLEAR MOMENTS ^176,176mAu; measured in-source laser spectroscopy of hyperfine structure; deduced nuclear magnetic moments, spins and configurations for the high- and low-spin states.

doi: 10.1103/PhysRevC.104.024326