重新评估钚中的 5f 占位

arXiv - PHYS - Atomic Physics Pub Date : 2024-08-25 DOI:arxiv-2408.14517

J. G. Tobin

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引用次数: 0

摘要

对原始的钚 N4,5 和 O4,5 X 射线吸收光谱（XAS）进行了详细的光谱模拟。此外，还纠正了电子能量损失光谱（EELS）测量中的一个基本误差。因此，对元素钚中 5f 占位（n）的测定进行了重新评估，结果是αPu 的 n = 5.0 +/- 0.1，δPu 的 n = 4.9 +/- 0.2。这些数值大大低于早先传播的~5.5。

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A Reassessment of 5f Occupation in Plutonium

A detailed spectroscopic simulation of the original Pu N4,5 and O4,5 X-Ray Absorption Spectroscopy (XAS) has been performed. Additionally, a fundamental flaw in the Electron Energy Loss Spectroscopy (EELS) measurement has been corrected. Thus, the determination of the 5f occupation (n) in elemental Pu has been re-evaluated with the result that n = 5.0 +/- 0.1 for alphaPu and n = 4.9 +/- 0.2 for deltaPu. These values are significantly lower than the value of ~5.5 that was propagated earlier.

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arXiv - PHYS - Atomic Physics

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