Giant quadrupole resonance in deformed nuclei
Giant quadrupole resonance in deformed nuclei
复制标题
变形核中的巨型四极共振
DOI：
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发表时间：
1975
期刊：
影响因子：
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通讯作者：
A. Bacher
中科院分区：
文献类型：
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作者：
T. Kishimoto;J. Moss;D. Youngblood;J. D. Bronson;C. Rozsa;D. Brown;A. Bacher
利用普通四极-四极（Q-Q）相互作用，预测了形变$sup 154$Sm的巨四极共振（GQR）中K=0，1，2分量的总分裂约为6 MeV.在非弹性α散射下，观察到154$Sm的GQR相对于144$Sm的GQR有0.8 ± 0.3MeV的展宽。一个模型，需要严格的自我一致性提出修改的Q-Q相互作用，减少预测分裂约2兆电子伏，并删除不一致的相互作用的强度为K=0和K=2组件在低洼的$β $和$γ $带。
With use of the ordinary quadrupole-quadrupole (Q-Q) interaction, a total splitting of the K=0, 1, 2 components in the giant quadrupole resonance (GQR) of about 6 MeV is predicted for deformed $sup 154$Sm. A 0.8plus-or- minus0.3-MeV broadening of the GQR is observed for $sup 154$Sm relative to spherical $sup 144$Sm with inelastic $alpha$ scattering. A model requiring rigorous self-consistency is proposed which modifies the Q-Q interaction, reduces the predicted splitting to about 2 MeV, and removes inconsistencies in the strength of the interaction for K=0 and K=2 components in low-lying $beta$ and $gamma$ bands.