Phys.Rev. C 98, 024324 (2018)

R.Broda, L.W.Iskra, R.V.F.Janssens, B.A.Brown, B.Fornal, J.Wrzesinski, N.Cieplicka-Orynczak, M.P.Carpenter, C.J.Chiara, C.R.Hoffman, F.G.Kondev, G.J.Lane, T.Lauritsen, Zs.Podolyak, D.Seweryniak, W.B.Walters, S.Zhu

Two-neutron and core-excited states in ²¹⁰Pb: Tracing E collectivity and evidence for a new β-decaying isomer in ²¹⁰Tl

NUCLEAR REACTIONS ²⁰⁸Pb(²⁰⁸Pb, X)²¹⁰Pb, E=1440 MeV; ²⁰⁸Pb(⁴⁸Ca, X)²¹⁰Pb, ²⁰⁸Pb(⁷⁶Ge, X)²¹⁰Pb, ²⁰⁸Pb(⁸²Se, X)²¹⁰Pb, ²³⁸U(⁴⁸Ca, X)²¹⁰Pb, ²³⁸U(²⁰⁸Pb, X)²¹⁰Pb, E=15-25% above the respective Coulomb barriers; measured Eγ, Iγ, delayed γ spectra, γγ-coin, γ(θ), half-lives of isomers and levels by γγ(t), ratio of observed production yields of anticipated 11+ β^--decaying isomer in ²¹⁰Tl and the 8+ isomer in ²¹⁰Pb using Gammasphere array at ATLAS-ANL facility. ²¹⁰Pb; deduced high-spin levels, isomers, J, π, conversion coefficients, multipolarities, configurations, B(E2), B(E3). ²¹⁰Tl; deduced possible 11+ β^- decaying isomer. Comparison with large-scale shell model calculations.

NUCLEAR STRUCTURE ²¹⁰Pb, ²¹⁰Tl; calculated levels, J, π by large-scale shell model calculations, and compared with experimental data.

doi: 10.1103/PhysRevC.98.024324