Isomeric and beta-decay spectroscopy of 173,174Ho
- Liu, J. J
- Lee, J
- Watanabe, H
- Nishimura, S
- Zhang, G. X
- Wu, J
- Walker, P. M
- Regan, P. H
- Söderström, P. -A
- Kanaoka, H
- Korkulu, Z
- Lee, P. S
- Yagi, A
- Dai, A. C
- Xu, F. R
- Ahn, D. S
- Alharbi, T
- Baba, H
- Browne, F
- Bruce, A. M
- Carroll, R. J
- Chae, K. Y
- Dombradi, Zs
- Doornenbal, P
- Estrade, A
- Fukuda, N
- Griffin, C
- Ideguchi, E
- Inabe, N
- Isobe, T
- Kanaya, S
- Kojouharov, I
- Kondev, F. G
- Kubo, T
- Kubono, S
- Kurz, N
- Kuti, I
- Lalkovski, S
- Lane, G. J
- Lee, C. S
- Lee, E. J
- Lorusso, G
- Lotay, G
- Moon, C. -B
- Nishizuka, I
- Nita, C. R
- Odahara, A
- Patel, Z
- Phong, V. H
- Podolyák, Zs
- Roberts, O. J
- Sakurai, H
- Schaffner, H
- Shand, C. M
- Shimizu, Y
- Sumikama, T
- Suzuki, H
- Takeda, H
- Terashima, S
- Vajta, Zs
- Valiente-Dobón, J. J
- Xu, Z. Y
DOIAbstract
β-decay spectroscopy of 173,174Ho (Z = 67, N = 106,107) was conducted at Radioactive Isotope Beam Factory at RIKEN by using in-flight fission of a 345-MeV/u 238U primary beam. A previously unreported isomeric state at 405 keV with half-life of 3.7(12) μs and a spin and parity of (3/2+) is identified in 173Ho. Moreover, a new state with a spin and parity of 9- was discovered in 174Er. The experimental log ft values of 5.84(20) and 5.25(18) suggest an allowed-hindered β decay from the ground state of 174Ho to the Kπ = 8- isomeric state in 174Er. Configuration-constrained potential energy surface (PES) calculations were performed and the predictions are in reasonable agreement with the experimental results
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