Nb isotopes; Evidence for shape coexistence in 
=58 
NbKumar, V.*; Chapman, R.*; O'Donnell, D.*; Ollier, J.*; Orlandi, R. 
; Smith, J. F.*; Spohr, K.-M.*; Torres, D. A.*; 13 of others*
The nuclear structure of neutron-rich niobium isotopes 
Nb were studied at the Legnaro National Laboratories using 
-ray spectroscopy. The isotopes were produced in two different experiments, either using multi-nucleon transfer reactions of 
Zr 530-MeV beam onto a 
Sn target, or via fusion-fission of 
S on 
Yb. The level schemes of these isotopes were extended respectively up to excitation energies of 4545, 5409, and 3814 keV. The structure of the low-lying states in these isotopes was interpreted and discussed in the context of shell-model calculations. In particular, for the Nb isotope (
=41, =58), the results indicate the presence of shape-coexistence at low-energies, which was observed for the first time in this isotope.
Language |
: | English |
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Journal |
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Volume |
: | 108 |
Number |
: | 4 |
Pages |
: | p.044313_1 - 044313_19 |
Publication Year/Month |
: | 2023/10 |
Paper URL |
: |
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Keywords |
: | no keyword |
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Percentile:0.02 Category:Physics, Nuclear |
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