Phys.Rev.Lett. 135, 232501 (2025)

Q.B.Zeng, S.Nishimura, V.H.Phong, S.Yoshida, Z.H.Li, Z.Liu, H.Y.Wu, C.Y.Fu, D.S.Hou, H.Ishiyama, Y.Jang, M.Khandelwal, J.Lee, A.I.Morales, T.Niwase, M.Rosenbusch, P.Schury, A.Takamine, M.Wada, W.D.Xian, T.T.Yeung, A.Estrade, N.Fukuda, L.Guo, Y.Hirayama, B.Hong, S.Iimura, Y.Ito, Y.H.Kim, S.Kimura, J.Lee, X.Ma, S.Michimasa, B.Moon, Y.F.Niu, J.Park, H.Sakurai, Y.Shimizu, H.Suzuki, H.Takeda, M.Tanaka, Y.Togano, Y.X.Watanabe, J.M.Yap, M.Yoshimoto, C.X.Yuan, F.F.Zeng, J.Z.Zhang, X.L.Zhi

β-Decay Half-Lives of Neutron-Rich Sulfur to Potassium: Evolution of the N=32 and 34 Subshell Closures below Calcium

RADIOACTIVITY ^{43,44,45,46,47}S, ^{44,45,46,47,48,49}Cl, ^{47,48,49,50,51,52}Ar, ^{49,50,51,52,53,54,55}K, ^{53,54,55,56,57}Ca, ^{55,56,57,58,59,60}Sc, ^{58,59,60,61,61}Ti(β^-) [from ⁹Be(⁷⁰Zn, X), E=345 MeV/nucleon]; measured decay products, TOF, Eγ, Iγ, β-γ-coin.; deduced T_1/2. Comparison with systematics, shell model calculations using the SDPFSDG-MU effective interaction and Q-values from AME2020 were performed with the KSHELL code. The ZeroDegree Multi-Reflection TOF Mass Spectrograph system at the Radioactive Isotope Beam Factory (RIBF) of the RIKEN Nishina Center.

doi: 10.1103/227j-q7zf