贫金属星的表面丰度与慢中子俘获过程

来源 :高能物理与核物理 | 被引量 : 0次 | 上传用户:pengweimin
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在不依赖于特定恒星模型的前提下,采用参数化热脉冲模型,对三颗铅星的表面丰度进行了拟合计算. 结果表明,无论是否考虑分叉道的影响,结果均能很好地重现观测数据. 另外,铅星与非铅星的模型参量对比显示,铅星的平均中子辐照量远大于非铅星,而其挖掘程度明显小于非铅星. 这说明尽管参数化热脉冲模型过于简单,但对约束恒星模型仍具有重要意义.
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