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arXiv 2102.05718nucl-th
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激发离子中电子俘获引起的核激发

Nuclear Excitation by Electron Capture in Excited Ions

Simone Gargiulo, Ivan Madan, Fabrizio Carbone

摘要:

最近首次观察到在空轨道中捕获电子后的核激发。到目前为止,该过程的截面的评估已经广泛地使用离子在捕获之前处于其电子基态的假设来进行。我们表明,通过解除这一限制,新的捕获通道出现,从而导致超过三个数量级的电子捕获共振强度的提升。

英文摘要:

A nuclear excitation following the capture of an electron in an empty orbital has been recently observed for the first time. So far, the evaluation of the cross section of the process has been carried out widely using the assumption that the ion is in its electronic ground state prior to the capture. We show that by lifting this restriction new capture channels emerge resulting in a boost of more than three orders of magnitude to the electron capture resonance strength.

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