Remnants of Spherical Shell Structures in Deformed Nuclei: The Impact of anN = 64 Neutron Subshell Closure on the Structure ofN≈ 90 Gadolinium Nuclei
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چکیده
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Particle - Core Coupling around 68
The single-particle spectrum of nuclei with large neutron excess is predicted by some approaches [1] to become similar to that of a harmonic oscillator with a spin-orbit term (no additional~l2 term) and thus reinforce some of the harmonic oscillator magic numbers. This is the case of N=40, and indeed experimental results accumulating in the past few years [2,3] indicate the presence of a subshe...
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In nuclei along the β stability line the nucleons are bound at least by 7–10MeV, and the magic numbers in those nuclei are well known as N (or Z) = 8, 20, 28, 50, 82, and 126. In contrast, in nuclei away from the β stability line the presence of nucleons with binding energy much smaller than 8MeV leads to a unique shell-structure. Consequently, magic numbers may be changed and the nuclei, which...
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تاریخ انتشار 2015