Phys.Rev. C 90, 024310 (2014)

K.Auranen, J.Uusitalo, S.Juutinen, U.Jakobsson, T.Grahn, P.T.Greenlees, K.Hauschild, A.Herzan, R.Julin, J.Konki, M.Leino, J.Pakarinen, J.Partanen, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze

Experimental study of 1/2⁺ isomers in ^{199, 201}At

NUCLEAR REACTIONS ¹⁶⁵Ho(⁴⁰Ar, 4n)²⁰¹At, E=172 MeV; ¹⁶⁵Ho(⁴⁰Ar, 6n)¹⁹⁹At, E=205 MeV; measured Eγ, Iγ, γ(θ), angular asymmetry, Eα, ce, recoil-, and α-tagged γ and ce spectra, γγ-, (ce)γ-coin using RITU separator JUROGAM2 array, and GREAT spectrometer at JYFL accelerator facility. ^199,201At; deduced levels, isomers, J, π, half-lives of 1/2+ isomers, multipolarity, B(E3), configuration. Systematics of low-lying states in odd-A nuclides of Bi, At, Fr and Tl with N(even)=102-126.

doi: 10.1103/PhysRevC.90.024310