存在弛豫过程时热核的等矢量能量加权和
Isovector energy-weighted sums for hot nuclei in presence of relaxation processes
摘要：
本文研究了热核中等矢量模的集体响应函数和能量加权和m_k。该方法是基于碰撞动力学理论，并考虑到温度和弛豫效应。考虑到等矢量的声音模式和相应的表面振动之间的连接，我们已经建立了一个很好的协议与实验数据的等矢量和规则的增强因子的A-依赖。我们已经表明，“模型无关”和m_1的增强因子对温度变化仅略微敏感。
英文摘要：
We investigate the collective response function and the energy-weighted sums m_k for isovector mode in hot nuclei. The approach is based on the collisional kinetic theory and takes into consideration the temperature and the relaxation effects. Taking into account a connection between the isovector sound mode and the corresponding surface vibrations we have established the A-dependence of the enhancement factor for the isovector sum rule in a good agreement with experimental data. We have shown that the enhancement factor for the "model independent" sum m_1 is only slightly sensitive to the temperature change.
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