Phys.Rev. C 102, 024301 (2020)

J.J.Liu, J.Lee, H.Watanabe, S.Nishimura, G.X.Zhang, J.Wu, P.M.Walker, P.H.Regan, P.-A.Soderstrom, H.Kanaoka, Z.Korkulu, P.S.Lee, A.Yagi, A.C.Dai, F.R.Xu, D.S.Ahn, T.Alharbi, H.Baba, F.Browne, A.M.Bruce, R.J.Carroll, K.Y.Chae, Zs.Dombradi, P.Doornenbal, A.Estrade, N.Fukuda, C.Griffin, E.Ideguchi, N.Inabe, T.Isobe, S.Kanaya, I.Kojouharov, F.G.Kondev, T.Kubo, S.Kubono, N.Kurz, I.Kuti, S.Lalkovski, G.J.Lane, C.S.Lee, E.J.Lee, G.Lorusso, G.Lotay, C.-B.Moon, I.Nishizuka, C.R.Nita, A.Odahara, Z.Patel, V.H.Phong, Zs.Podolyak, O.J.Roberts, H.Sakurai, H.Schaffner, C.M.Shand, Y.Shimizu, T.Sumikama, H.Suzuki, H.Takeda, S.Terashima, Zs.Vajta, J.J.Valiente-Dobon, Z.Y.Xu

Isomeric and β-decay spectroscopy of ^{173, 174}Ho

RADIOACTIVITY ^173,174Ho(β^-)[from ⁹Be(²³⁸U, F), E=345 MeV/nucleon, followed by separation of fission fragments using BigRIPS separator and ZeroDegree spectrometer and implantation in WAS3ABi at RIBF-RIKEN facility]; measured Eγ, Iγ, Eβ, conversion electrons, βγ-, (ce)γ- and γγ-coin, half-lives of ¹⁷³Ho and ¹⁷⁴Ho decays from γ-decay curves, half-life of an isomer in ¹⁷³Ho using double-sided silicon strip detectors (DSSD) and the EURICA γ-ray spectrometer. ¹⁷⁴Er; deduced levels, J, π, β feedings, logft, configurations. ¹⁷³Ho; deduced level, isomer, J, π. ¹⁷⁴Ho; deduced J, π and configuration of ground state. ^173,174Ho, ^173,174Er; calculated levels, J, π, deformation parameters β₂, γ and β₄, configurations using configuration-constrained potential energy surface (PES) calculations. Systematics of yrast g.s. bands in N=106 isotones: ¹⁷²Dy, ¹⁷⁴Er, ¹⁷⁶Yb, ¹⁷⁸Hf, ¹⁸⁰W, ¹⁸²Os. Systematics of experimental logft values in decays of ¹⁶⁸Ho, ^171,173Er, ^174,176Tm, ¹⁷⁸Lu. Systematics of Weisskopf hindrance factors in odd-A Ho isotopes: ^{159,161,163,165,167}Ho.

doi: 10.1103/PhysRevC.102.024301