核团簇与电子屏蔽之谜
Nuclear clustering and the electron screening puzzle
摘要：
电子屏蔽可以明显地改变恒星内部天体物理核反应的强度。在地球上的实验室实验中也观察到这种效应，其中原子电子存在于核目标中。在过去的30年里，人们开发了理论模型，并进行了实验测量，以研究热核反应中的电子屏蔽。没有一个理论模型能够解释实验确定的屏蔽电位的高值。我们探讨的可能性，“电子屏蔽之谜”是由于核团簇化和极化效应的融合反应。我们将讨论支持这种情况的论据。
英文摘要：
Electron screening changes appreciably the magnitude of astrophysical nuclear reactions within stars. This effect is also observed in laboratory experiments on Earth, where atomic electrons are present in the nuclear targets. Theoretical models were developed over the past 30 years and experimental measurements have been carried out to study electron screening in thermonuclear reactions. None of the theoretical models were able to explain the high values of the experimentally determined screening potentials. We explore the possibility that the "electron screening puzzle" is due to nuclear clusterization and polarization effects in the fusion reactions. We will discuss the supporting arguments for this scenario.
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