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Report No.

New $$K$$ isomers in $$^{248}$$Cf

Orlandi, R.  ; Makii, Hiroyuki   ; Nishio, Katsuhisa   ; Hirose, Kentaro  ; Asai, Masato  ; Tsukada, Kazuaki  ; Sato, Tetsuya   ; Ito, Yuta   ; Suzaki, Fumi  ; Nagame, Yuichiro* ; Andreyev, A. N.; Ideguchi, Eiji*; Aoi, Nori*; Pham, T. T.*; Yan, S. Q.*; Shen, Y. P.*; Gao, B. S.*; Li, G.*

The nuclear structure of $$^{248}$$Cf produced by the $$^{18}$$O+$$^{249}$$Cf multinucleon transfer reaction was investigated using $$gamma$$-ray spectroscopy. Analysis of the $$gamma$$-ray spectrum of $$^{248}$$Cf revealed the presence of multiple long-lived (isomeric) excited states at low excitation energies. The energies and half-lives of the isomers contain information on the proton and neutron orbits in the heavy-element region and the deformation of atomic nuclei, and are important data to predict the properties of nuclei in the "island of stability".



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Category:Physics, Nuclear



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