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arXiv 2008.03906nucl-th
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无中微子双电子俘获的非共振振荡机制

The non-resonance shake mechanism of the neutrinoless double electronic capture

F. F. Karpeshin, M. B. Trzhaskovskaya, L. F. Vitushkin

摘要:

一般认为双无中微子电子俘获是一个共振过程。下面计算在152 Gd和164 Er核的转变过程中发生的电子壳层电离的振动概率。这些核素在所有已知的核中具有最低的共振缺陷,被认为是发现无中微子转换模式的主要候选者。结果表明,新机制对大多数候选核的贡献占主导地位。该修正的值随着谐振缺陷的增加而迅速增加。因此,原则上,双无中微子电子俘获似乎根本不是共振过程。

英文摘要:

It is generally accepted that double neutrinoless electron capture is a resonance process. The calculations of the probability of shaking with the ionization of the electron shell occurring during the transformation of 152Gd and 164Er nuclei are performed below. These nuclides have the lowest resonance defect among all known nuclei, being considered as main candidates for discovering the neutrinoless mode of the transformation. The results show predominant contribution of the new mechanism for most of the candidate nuclei. The value of this amendment rapidly increases with an increasing resonance defect. Thus, in principle, double neutrinoless electron capture appears not to be a resonance process at all.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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