Nuclear structure study of 19,20,21N nuclei by gamma spectroscopy
Z. Elekes, Zs. Vajta, Zs. Dombradi, T. Aiba, N. Aoi, H. Baba, D., Bemmerer, Zs. Fulop, N. Iwasa, A. Kiss, T. Kobayashi, Y. Kondo, T., Motobayashi, T. Nakabayashi, T. Nannichi, H. Sakurai, D. Sohler, S. Takeuchi,, K. Tanaka, Y. Togano, K. Yamada, M. Yamaguchi, K. Yoneda
TL;DR
This study investigates the structure of neutron-rich nitrogen isotopes 19, 20, and 21N using gamma spectroscopy, revealing insights into their nuclear deformations and shell closures.
Contribution
It provides new experimental data on the nuclear structure of 19, 20, and 21N, especially on the first excited state of 21N and the persistence of the N=14 shell closure.
Findings
Mass and charge deformations of 21N's first excited state were deduced.
Partial persistence of the N=14 subshell closure in nitrogen isotopes.
Results confirm previous experimental findings.
Abstract
The structure of neutron rich nitrogen nuclei has been studied by use of neutron removal reaction and inelastic scattering. Mass and charge deformations have been deduced for the first excited state of 21N, which indicates the partial persitence of the N=14 subshell closure in nitrogen isotopes. The spectroscopic information obtained on the structure of 19,20,21N confirms the results from a previous experiment.
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