High-spin level structures of the near-spherical nuclei91,92Zr
Physical Review C2014Vol. 89(4)
Citations Over TimeTop 10% of 2014 papers
Z. G. Wang, Mingliang Liu, Y. H. Zhang, X. H. Zhou, S. Guo, Jian-Guo Wang, X. G. Lei, Y. Zheng, Y. D. Fang, Y. H. Qiang, N. T. Zhang, B. Ding, G. S. Li, Fei Ma, X. L. Yan, Sheng‐Chang Wang, B. S. Gao, F. Fang, Bitao Hu, Xiaofeng Wu, C. Y. He, Yu‐Ming Zheng
Abstract
High-spin level structures of the near-spherical nuclei ${}^{91,92}$Zr have been reinvestigated via the ${}^{82}$Se(${}^{13}$C, $xn$) $(x=4,3)$ reactions at a beam energy of 44 MeV. By the use of in-beam spectroscopic methods, 13 new transitions belonging to ${}^{91}$Zr and 19 to ${}^{92}$Zr have been observed and the level schemes of ${}^{91,92}$Zr have been extended up to ${E}_{x}\ensuremath{\approx}$ 11 MeV excitation energy. The newly constructed level schemes are characterized by the ${}^{88}$Sr core breaking, and the proton ${p}_{3/2}\text{\ensuremath{-}}{p}_{1/2}$ energy gap in ${}^{92}$Zr is obviously reduced compared with ${}^{91}$Zr when one more neutron goes into the $({d}_{5/2}/{g}_{7/2})$ orbital.
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