New shape isomer in the self-conjugate nucleus 72Kr
Bouchez, E., Matea, I., Korten, W., Becker, F., Blank, B., Borcea, C., Buta, A., Emsallem, A., France, G. D., Genevey, J., Hannachi, F., Hauschild, K., Hürstel, A., Coz, Y. L., Lewitowicz, M., Lucas, R., Negoita, F., Santos, F. D. O., Pantelica, D., . . . Theisen, Ch. (2003). New shape isomer in the self-conjugate nucleus 72Kr. Physical Review Letters, 90(8), Article 082502. https://doi.org/10.1103/PhysRevLett.90.082502
Julkaistu sarjassa
Physical Review LettersTekijät
Buta, A. |
Päivämäärä
2003Tekijänoikeudet
©2003 American Physical Society
A new isomeric 0+ state was identified as the first excited state in the self-conjugate (N = Z) nucleus
72Kr. By combining for the first time conversion-electron and gamma-ray spectroscopy with the
production of metastable states in high-energy fragmentation, the electric-monopole decay of the new
isomer to the ground state was established. The new 0+ state is understood as the band head of the
known prolate rotational structure, which strongly supports the interpretation that 72Kr is one of the rare
nuclei having an oblate-deformed ground state. This observation gives in fact the first evidence for a
shape isomer in a N = Z nucleus.
ISSN Hae Julkaisufoorumista
0031-9007Asiasanat
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https://converis.jyu.fi/converis/portal/detail/Publication/14035807
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