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Virtual-state character of the two-body system in the complex scaling method

机译:复杂缩放方法中双体系统的虚拟状态字符

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摘要

In association with the property of the 1/2(+) state observed just above the Be-8(0(+)) + n threshold energy in Be-9, we investigate the photodisintegration cross section of an s state in a simple schematic two-body model using the complex scaling method. The photodisintegration cross section, continuum level density, scattering phase shifts, and scattering length are discussed in relation with the virtual state. These scattering observables show strong divergences when a virtual state is located near the physical scattering region.
机译:结合Be-9中观察到的高于Be-8(0(+))+n阈值能量的1/2(+)态的性质,我们使用复标度方法研究了一个简单的示意性两体模型中s态的光分解截面。讨论了光解截面、连续能级密度、散射相移和散射长度与虚态的关系。当虚态位于物理散射区附近时,这些散射观测值显示出强烈的发散。

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