DOE OSTI · 3683958
Nuclear Structure and Decay Data for A=220 Isobars
Abstract
Here, this work presents a comprehensive and critical evaluation of experimental nuclear spectroscopic data from reactions and decays for all 11 known nuclides with mass number A=220 (Pb, Bi, Po, At, Rn, Fr, Ra, Ac, Th, Pa, and Np). Recommended values are produced for level energies, spins and parities, half-lives, and radiation properties including energies, branching ratios, and multipolarities of γ rays, as well as characteristics of β and α radiation decays, based on all available experimental data. This work supersedes previous A=220 evaluations: 2011Br05, 1997Ar04, 1986Ma45, 1976El04.
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Chen, J. [Michigan State University, East Lansing, MI (United States)], Basunia, M. S. [Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)], Dimitriou, P. [International Atomic Energy Agency (IAEA), Vienna (Austria)], McCutchan, E. A. [Brookhaven National Laboratory (BNL), Upton, NY (United States)], Negret, A. [Horia Hulubei National Institute for Physics and Nuclear Engineering (IFIN-HH), Bucharest-Magurele (Romania)], Alshammari, A. A. [University of Surrey (United Kingdom)], Kobra, M. J. [University of Rajshah (Bangladesh)], Lopez Gonzales, A. H. [University of S˜ao Paulo (Brazil)], Malinowski, A. [University of Warsaw (Poland)], Nagarajan, S. [Sri Sathya Sai Institute of Higher Learning (India)], O'Sullivan, E. B. [University of Surrey (United Kingdom)], Palalani, N. [University of Botswana, Gaborone (Botswana)], Petrov, N. [Sofia University “St. Kliment Ohridski” (Bulgaria)], Rodrigues, L. [Universidade Federal do Rio de Janeiro, Rio de Janeiro (Brazil)], Salmassian, B. [National Institute of Oceanography and Applied Geophysics (OGS), Trieste (Italy)]. 2026-09-01. Nuclear Structure and Decay Data for A=220 Isobars. https://doi.org/10.1016/j.nds.2026.08.002
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