给出了在CRYRING重离子储存环上测量到的在很低能量下电子与离子重组的最新实验结果和有关速率系数增强的新的数据. 主要讨论类锂、类钠和类铜离子的共振双电子重组的新近测量结果, 以及从这些共振谱中所导出的非常精确的离子能级劈裂值, 从而将严格检验相对论效应、电子关联效应和量子电动力学效应. 其中, 对类锂Kr33+离子2s1/2能级Lamb移位的确定精度达到了0.1% .
We present our latest results on recombination of electrons with ions at very low energies obtained at the CRYRING heavy-ion storage ring. New data on the enhanced rate coefficient are shown. Then we concentrate on recent measurements of dielectronic recombination resonances with Li-like, Na-like, and Cu-like ions, where from the spectra of resonances very accurate values for energy splittings are derived for crucial tests of relativistic, correlation, and QED effects.
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