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Optical isotope shifts in the transition 4f45d 6I11/2-(26772)011/2 of Nd II were measured by using collinear fast-ion-beam laser spectroscopy. The configuration admixtures of the previously unclassified (26772)011/2 level were quantitatively analyzed to be 4f46p, 4f35d2, and 4f35d6s with mixing probabilities of 13%, 85%, 2%, respectively. 相似文献
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The effect of configuration interaction (CI) on the theoretical calculation of autoionization cross section for Li-like ions are studied in detail by employing the distorted wave Born exchange approximation. We consider the 1s22s→1s2s2p and 1s22s→1s2s3p transitions for Cs3+ and Al10+ ions. These two transitions account for the largest excitation autoionization cross section. It is found that the CI has a significant effect on the calculated results. The effect becomes larger with increasing atomic number. 相似文献
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OPTICAL ISOTOPE SHIFTS OF Nd II (25524)011/2 USING COLLINEARFAST-ION-BEAM LASER SPECTROSCOPY 下载免费PDF全文
Fast-ion-beam laser spectroscopy which has the characteristics of selective excitation and high accurate measurement was widely used to study isotope shifts, radioactive lifetimes, and hyperfine structures of atoms and ions. In this work, the optical isotope shifts for the transition 4f45d6K13/2-(25524)013/2 in Nd II were measured by using collinear fast-ion-beam lase r spectroscopy. 相似文献
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本文介绍了用于分析Diels-Alder反应的前线轨道的微扰分子轨道理论(PMO),从而用前线轨道的分子轨道系数和能量,解释了D-A反应的反应性规律和区域选择性规律。 相似文献