Proxy-SU（3）模型中的无参数预言
Parameter free predictions within the proxy-SU(3) model
摘要：
利用一种新的近似解析无参数的proxy-SU（3）方案，我们对变形核的形状观测量，即β和γ变形变量进行了预测，并将它们与经验数据以及相对论和非相对论平均场论的预测进行了比较。此外，推导出了代理SU（3）模型中B（E2）比的解析表达式，没有任何自由参数和/或缩放因子。对于形变稀土核素，预测的B（E2）比与实验数据符合得很好。
英文摘要：
Using a new approximate analytic parameter-free proxy-SU(3) scheme, we make predictions of shape observables for deformed nuclei, namely beta and gamma deformation variables, and compare them with empirical data and with predictions by relativistic and non-relativistic mean-field theories. Furthermore, analytic expressions are derived for B(E2) ratios within the proxy-SU(3) model, free of any free parameters, and/or scaling factors. The predicted B(E2) ratios are in good agreement with the experimental data for deformed rare earth nuclides.
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