A POSSIBLE INTERPRETATION OF THE MULTIPLETS 0+AND 2~+ IN ~(168)Er

A. A. RADUTA; F. D. AARON; C. M. RADUTA

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A POSSIBLE INTERPRETATION OF THE MULTIPLETS 0+AND 2~+ IN ~(168)Er

机译：〜（168）Er中多个0+和2〜+的可能解释

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A sixth-order quadrupole boson Hamiltonian is used to describe 26 states 0+ and 79 states 2+ which have been recently identified in 168Er. Two alternative descriptions of energy levels are proposed. One corresponds to a semi-classical approach of a model Hamiltonian, while the other one provides the exact eigenvalues. The first procedure involves four parameters, while the second one involves a compact formula with five parameters. In each case the parameters are fixed by a least-square fit procedure. Both methods yield results which are in a surprisingly good agreement with the experimental data. We give also our predicted reduced transition probabilities, although the corresponding experimental data are not available.

机译：六阶四极玻色子哈密顿量用于描述26个状态0+和79个状态2+，这些状态最近在168Er中被确定。提出了两种关于能级的描述。一种对应于模型哈密顿量的半经典方法，而另一种则提供精确的特征值。第一个过程涉及四个参数，而第二个过程涉及具有五个参数的紧凑公式。在每种情况下，参数均通过最小二乘拟合程序进行固定。两种方法产生的结果都与实验数据出乎意料的良好一致。尽管没有相应的实验数据，我们也给出了预测的降低的转移概率。

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《Romanian journal of physics》 |2009年第10期|p.887-898|共12页
作者
A. A. RADUTA; F. D. AARON; C. M. RADUTA;
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Department of Theoretical Physics and Mathematics,Bucharest University, P.O. Box MG11, Romania Department of Theoretical Physics, Institute of Physics and Nuclear Engineering,Bucharest, P.O. Box MG6, Romania;

Department of Theoretical Physics and Mathematics,Bucharest University, P.O. Box MG11, Romania;

Department of Theoretical Physics, Institute of Physics and Nuclear Engineering,Bucharest, P.O. Box MG6, Romania;

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A POSSIBLE INTERPRETATION OF THE MULTIPLETS 0+AND 2~+ IN ~(168)Er

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