首页> 外文期刊>Molecular Physics:An International Journal at the Interface Between Chemistry and Physics >Experimental determination of the ratio of partial photoionization cross sections from Na 3p 2P3/2 by polarization anisotropy quantum beats
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Experimental determination of the ratio of partial photoionization cross sections from Na 3p 2P3/2 by polarization anisotropy quantum beats

机译:Na 3 p 2 3的极化各向异性量子拍的实验确定部分光电离截面的比率。

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We demonstrate that polarization anisotropy quantum beats (QB) in two-photon ionization can be used to measure the ratio of photoionization cross sections to different angular momentum states of the photoelectron. Measurement of the ratio of photoionization cross sections has so far remained a non-trivial task by conventional photoionization techniques, including photoelectron angular distribution analysis. In this work, the amplitude of the polarization anisotropy QB for photoionization from the Na 3p 2P3/2 state was used to determine the ratio of the ionization cross sections near the ionization threshold. The experimental results are compared with theoretical predictions based on the quantum defect theory.View full textDownload full textKeywordsphotoionization, polarization, anisotropy, quantum beat, Na atomRelated var addthis_config = { ui_cobrand: "Taylor & Francis Online", services_compact: "citeulike,netvibes,twitter,technorati,delicious,linkedin,facebook,stumbleupon,digg,google,more", pubid: "ra-4dff56cd6bb1830b" }; Add to shortlist Link Permalink http://dx.doi.org/10.1080/00268976.2012.679636
机译:我们证明了在两个光子电离中的极化各向异性量子搏动(QB)可用于测量光电离横截面与光电子不同角动量状态的比率。迄今为止,通过包括光电子角分布分析在内的常规光电离技术,光电离横截面比率的测量仍然是一项艰巨的任务。在这项工作中,用于Na + 3 p 2 P 3/2 的电离的极化各向异性QB的幅度用于确定电离的比率接近电离阈值的横截面。将实验结果与基于量子缺陷理论的理论预测进行比较。查看全文下载全文关键字光电离,极化,各向异性,量子搏动,Na原子相关var addthis_config = {ui_cobrand:“ Taylor&Francis Online”,services_compact:“ citeulike,netvibes, twitter,technorati,美味,linkedin,facebook,stumbleupon,digg,google,更多“,发布:” ra-4dff56cd6bb1830b“};添加到候选列表链接永久链接http://dx.doi.org/10.1080/00268976.2012.679636

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