Gamma-Ray Spectroscopy Of Neutron-Deficient Te-110. Ii. High-Spin Smooth-Terminating Structures

E. S. Paul,A. O. Evans, A. J. Boston,C. J. Chiara,M. Devlin, D. B. Fossan, S. J. Freeman, D. R. Lafosse,G. J. Lane, M. J. Leddy,I. Y. Lee, A. O. Macchiavelli,P. J. Nolan,D. G. Sarantites,J. M. Sears,A. T. Semple,J. F. Smith,K. Starosta,A. V. Afanasjev,I. Ragnarsson

PHYSICAL REVIEW C（2007）

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摘要

High-spin states have been populated in Te-110(52) via Ni-58(Ni-58,alpha 2p gamma) reactions at 240 and 250 MeV. The Gammasphere gamma-ray spectrometer was used in conjunction with the Microball charged-particle detector. The high-spin (I>30) collective level scheme of Te-110, up to similar to 45h, is discussed in this paper. Four new decoupled (Delta I=2) high-spin structures have been observed for the first time, together with two strongly coupled (Delta I=1) bands. These bands all show the characteristics of smooth band termination, and are discussed within the framework of the cranked Nilsson-Strutinsky approach.

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关键词

spin,neutrons,protons,alpha particles,nuclear structure,gamma spectroscopy

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