First prompt in-beam γ-ray spectroscopy of a superheavy element: The 256Rf

J. Rubert, O. Dorvaux, B. J.P. Gall, P. T. Greenlees, Z. Asfari, J. Piot, L. L. Andersson, M. Asai, D. M. Cox, F. Dechery, T. Grahn, K. Hauschild, G. Henning, A. Herzan, R. D. Herzberg, F. P. Heßberger, U. Jakobsson, P. Jones, R. Julin, S. JuutinenS. Ketelhut, T. L. Khoo, M. Leino, J. Ljungvall, A. Lopez-Martens, R. Lozeva, P. Nieminen, J. Pakarinen, P. Papadakis, E. Parr, P. Peura, P. Rahkila, S. Rinta, P. Ruotsalainen, M. Sandzelius, J. Sarén, C. Scholey, D. Seweryniak, J. Sorri, B. Sulignano, Ch Theisen, J. Uusitalo, M. Venhart

研究成果: Contribution to journalConference article査読

抄録

Using state-of-the-art γ-ray spectroscopic techniques, the first rotational band of a superheavy element, extending up to a spin of 20 /, was discovered in the nucleus 256Rf. To perform such an experiment at the limits of the present instrumentation, several developments were needed. The most important of these developments was of an intense isotopically enriched 50Ti beam using the MIVOC method. The experimental set-up and subsequent analysis allowed the 256Rf ground-state band to be revealed. The rotational properties of the band are discussed and compared with neighboring transfermium nuclei through the study of their moments of inertia. These data suggest that there is no evidence of a significant deformed shell gap at Z = 104.

本文言語英語
論文番号012010
ジャーナルJournal of Physics: Conference Series
420
1
DOI
出版ステータス出版済み - 2013
外部発表はい
イベント11th International Conference on Nucleus-Nucleus Collisions, NN 2012 - San Antonio, TX, 米国
継続期間: 5 27 20126 1 2012

All Science Journal Classification (ASJC) codes

  • 物理学および天文学(全般)

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