arXiv 0903.16062009-03-09nucl-ex

通过~（65，67）Fe的β衰变和深度非弹性反应研究~（65，67）Co的结构

Structure of 65,67Co studied through the beta decay of 65,67Fe and a deep-inelastic reaction

D. Pauwels, O. Ivanov, N. Bree, J. Buscher, T. E. Cocolios, M. Huyse, Yu. Kudryavtsev, R. Raabe, M. Sawicka, J. Van de Walle, P. Van Duppen, A. Korgul, I. Stefa… 展开作者

D. Pauwels, O. Ivanov, N. Bree, J. Buscher, T. E. Cocolios, M. Huyse, Yu. Kudryavtsev, R. Raabe, M. Sawicka, J. Van de Walle, P. Van Duppen, A. Korgul, I. Stefanescu, A. A. Hecht, N. Hoteling, A. Wohr, W. B. Walters, R. Broda, B. Fornal, W. Krolas, T. Pawlat, J. Wrzesinski, M. P. Carpenter, R. V. F. Janssens, T. Lauritsen, D. Seweryniak, S. Zhu, J. R. Stone, X. Wang

备注：: 17 pages, 13 figures, preprint
发表信息：: Phys.Rev.C79:044309,2009
DOI：: 10.1103/PhysRevC.79.044309

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摘要：

丰中子同位素65、67 Fe和65 Co已经在Louvain-La-Neuve的LISOL设施中通过质子诱导的238 U裂变产生。这些同位素的光束已被提取与高选择性的共振激光电离结合质量分离的装置。在阿贡国家实验室的64 Ni +238 U反应中，也出现了γ ast和近γ ast水平的65 Co。结合65 Fe和65 Co的β衰变和深非弹性反应的所有信息，可以研究65 Co的能级结构。完全建立了~（65）Fe、~（65）Co和~（67）Fe的衰变图和~（65）Co的稳定结构。65，67 Co的能级结构可以解释为核耦合态与基于低能质子入侵配置的能级共存的结果。

英文摘要：

The neutron-rich isotopes 65,67Fe and 65Co have been produced at the LISOL facility, Louvain-La-Neuve, in the proton-induced fission of 238U. Beams of these isotopes have been extracted with high selectivity by means of resonant laser ionization combined with mass separation. Yrast and near-yrast levels of 65Co have also been populated in the 64Ni+238U reaction at Argonne National Laboratory. The level structure of 65Co could be investigated by combining all the information from both the 65Fe and 65Co beta decay and the deep-inelastic reaction. The 65Fe, 65Co and 67Fe decay schemes and the 65Co yrast structure are fully established. The 65,67Co level structures can be interpreted as resulting from the coexistence of core-coupled states with levels based on a low-energy proton-intruder configuration.

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