Fine structure in the α decay of high-spin isomers in Lu155 and Hf156


Parr, E, Page, RD ORCID: 0009-0009-7062-711X, Joss, DT ORCID: 0000-0001-5763-8767, Ali, FA, Auranen, K, Capponi, L, Grahn, T, Greenlees, PT, Henderson, J, Herzáň, A et al (show 26 more authors) (2018) Fine structure in the α decay of high-spin isomers in Lu155 and Hf156 Physical Review C, 98 (2). 024321-. ISSN 2469-9985, 2469-9993

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Abstract

Fine structure in the α decay of high-spin isomers in Lu155(25/2−) and Hf156(8+) has been studied for the first time using αγ-coincidence analysis. Three new α decays from Lu155(25/2−) and two from Hf156(8+) have been identified, populating seniority s>1 states in the N=82 nuclei Tm151 and Yb152, respectively. The reduced hindrance factors of the α decays support the previous configuration assignments of the populated states. This is the first observation of states with excitation energy greater than 1.5 MeV being populated following α decay in nuclei outside of the Pb208 region.

Item Type: Article
Uncontrolled Keywords: 5106 Nuclear and Plasma Physics, 5110 Synchrotrons and Accelerators, 51 Physical Sciences
Depositing User: Symplectic Admin
Date Deposited: 11 Oct 2018 10:20
Last Modified: 22 May 2026 21:33
DOI: 10.1103/physrevc.98.024321
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URI: https://livrepository.liverpool.ac.uk/id/eprint/3027356
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