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Shape Coexistence and Band Termination in Doubly Magic Nucleus ^40Ca
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作者 DONGBao-Guo GUOHong-Chao SHIYi-Jin 《Communications in Theoretical Physics》 SCIE CAS CSCD 2005年第3期509-514,共6页
Shape coexistence and band structure near yrast line of the Z = N doubly magic nucleus 40Ca have been investigated by the configuration-dependent cranked Nilsson-Strutinsky approach. The observed normal deformed and ... Shape coexistence and band structure near yrast line of the Z = N doubly magic nucleus 40Ca have been investigated by the configuration-dependent cranked Nilsson-Strutinsky approach. The observed normal deformed and superdeformed bands are explained and the terminating states are confirmed by the calculations. The transition quadrupole moment Qt of the calculated superdeformed band is in good agreement with the observed one at high spin. There is shape coexistence within the same configuration. Possible normal deformed and superdeformed bands with rotation around the intermediate axis in several interesting configurations of40Ca are discussed. Possible favored superdeformed band terminations in 38Ca and 38Ar are predicted. The experimental results in 38Ar are discussed simply. 展开更多
关键词 shape coexistence configuration-dependent cranked Nilsson-Strutinskyapproach superdeformed band termination transition quadrupole moment
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