First observation of isomeric states in Zr111, Nb113 , and Mo115

Isomeric states in the neutron-rich nuclei 111Zr [T1/2=0.10 (7) μs] , 113Nb [T1/2=0.7 (4) μs], 115Mo [T1/2=46 (3) μs] were first identified at the Radioactive Ion Beam Factory (RIBF) of RIKEN by using in-flight fission and fragmentation of a 238U beam at an energy of 345 MeV/u. Here is a brief repor...

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Veröffentlicht in:Physical review. C 2022-12, Vol.106 (6)
Hauptverfasser: Wu, J., Nishimura, S., Söderström, P. -A., Algora, A., Liu, J. J., Phong, V. H., Wu, Y. Q., Xu, F. R., Agramunt, J., Ahn, D. S., Berry, T. A., Bruno, C. G., Bundgaard, J. J., Caballero-Folch, R., Dai, A. C., Davinson, T., Dillmann, I., Estrade, A., Fijałkowska, A., Fukuda, N., Go, S., Grzywacz, Robert Kazimierz, Isobe, T., Kubono, S., Lorusso, G., Matsui, K., Morales, A. I., Nepal, N., Orrigo, S. A., Rasco, B. Charles, Rykaczewski, Krzysztof P., Sakurai, H., Shimizu, Y., Stracener, Dan W., Sumikama, T., Suzuki, H., Tain, J. L., Takeda, H., Tarifeño-Saldivia, A., Tolosa-Delgado, A., Wolińska-Cichocka, M., Yokoyama, R.
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Sprache:eng
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Zusammenfassung:Isomeric states in the neutron-rich nuclei 111Zr [T1/2=0.10 (7) μs] , 113Nb [T1/2=0.7 (4) μs], 115Mo [T1/2=46 (3) μs] were first identified at the Radioactive Ion Beam Factory (RIBF) of RIKEN by using in-flight fission and fragmentation of a 238U beam at an energy of 345 MeV/u. Here is a brief report of the γ transitions de-exciting from isomeric states and half-lives measurements, which provides the first spectroscopy in the nuclear region of prolate-to-oblate shape-phase transition around mass A ≈110.
ISSN:2469-9985
2469-9993