Phys.Rev. C 100, 054310 (2019)

L.Ghys, A.N.Andreyev, M.Huyse, P.Van Duppen, S.Antalic, A.Barzakh, L.Capponi, T.E.Cocolios, J.Cubiss, X.Derkx, H.De Witte, J.Elseviers, F.P.Hessberger, Z.Kalaninova, U.Koster, J.F.W.Lane, V.Liberati, S.Mitsuoka, Y.Nagame, K.Nishio, S.Ota, D.Pauwels, R.D.Page, L.Popescu, D.Radulov, M.M.Rajabali, E.Rapisarda, K.Sandhu, V.L.Truesdale, P.Van den Bergh, Y.Wakabayashi

α-decay properties of ^{200, 202}Fr

RADIOACTIVITY ^200,202,202mFr, ^196,198,198mAt, ^194,192Bi(α)[from ²³⁸U(p, F), E=1.4 GeV]; measured Eα, Iα, Eγ, Iγ, αγ- and αγγ-coin, half-lives of ²⁰⁰Fr g.s., ¹⁹⁸At g.s. and ¹⁹⁸At isomer using the windmill detection setup at ISOLDE-CERN; ^196,198At, ^192,194Bi; deduced levels, J, π, total conversion coefficients, multipolarities, α-reduced widths. ¹⁹⁰Tl, ¹⁹⁴Bi, ¹⁹⁸At, ²⁰²Fr, ²⁰⁶Ac; deduced energies of the isomeric states and compared to previous experimental values. ^198,202Po, ^200,202At, ²⁰²Rn(α); measured Eα. Systematics of ²⁰⁶Ac to ¹⁹⁰Tl and ²⁰⁰Fr to ¹⁸⁸Tl decay chains. Systematics of α-reduced widths for odd-odd A=184-201 Fr, At and Bi α-emitters.

doi: 10.1103/PhysRevC.100.054310