Discovery of Highly Excited Long-Lived Isomers in Neutron-Rich Hafnium and Tantalum Isotopes through Direct Mass Measurements
| Data(s) |
2010
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| Resumo |
A study of cooled Au-197 projectile-fragmentation products has been performed with a storage ring. This has enabled metastable nuclear excitations with energies up to 3 MeV, and half-lives extending to minutes or longer, to be identified in the neutron-rich nuclides Hf-183,Hf-184,Hf-186 and Ta-186,Ta-187. The results support the prediction of a strongly favored isomer region near neutron number 116. |
| Identificador | |
| Idioma(s) |
英语 |
| Fonte |
Reed, MW; Cullen, IJ; Walker, PM; Litvinov, YA; Blaum, K; Bosch, F; Brandau, C; Carroll, JJ; Cullen, DM; Deo, AY; Detwiller, B; Dimopoulou, C; Dracoulis, GD; Farinon, F; Geissel, H; Haettner, E; Heil, M; Kempley, RS; Knobel, R; Kozhuharov, C; Kurcewicz, J; Kuzminchuk, N; Litvinov, S; Liu, Z; Mao, R; Nociforo, C; Nolden, F; Plass, WR; Prochazka, A; Scheidenberger, C; Steck, M; Stohlker, T; Sun, B; Swan, TPD; Trees, G; Weick, H; Winckler, N; Winkler, M; Woods, PJ; Yamaguchi, T.Discovery of Highly Excited Long-Lived Isomers in Neutron-Rich Hafnium and Tantalum Isotopes through Direct Mass Measurements,PHYSICAL REVIEW LETTERS,2010,105(17):172501 |
| Palavras-Chave | #QUASI-PARTICLE STATES #ATOMIC-NUCLEI #STABILITY #STORAGE #TRAPS #DECAY #LINE #FRS #GSI |
| Tipo |
期刊论文 |
