| 用共振电离质谱测定铀原子奇宇称高激发态能级 |
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| 引用本文： | 杜海,史桂珍,黄茂成,金昌泰.用共振电离质谱测定铀原子奇宇称高激发态能级[J].光谱学与光谱分析,2000,20(3):260-264. |
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| 作者姓名： | 杜海 史桂珍 黄茂成 金昌泰 |
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| 作者单位： | 中国科学院长春应用化学研究所,130022,长春 |
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| 摘 要： | 对铀原子单色和双色多光子共振电离光谱开展了深入的研究。报道了用双色三步共振光电离技术测量位于３３００３￣３４２６４ｃｍ＾－１范围内的奇宇称高激发态能级的位置。利用总角动量选择定则指定了这些能级的总角动量Ｊ值。
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| 关 键 词： | 铀原子 共振电离质谱 奇宇称高激发态能级 |
Identification of High-lying Odd Energy Levels of Uranium by Resonant Ionization Mass Spectrometry |
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| Hai DU,Guizhen SHI,Maocheng HUANG,Changtai JIN.Identification of High-lying Odd Energy Levels of Uranium by Resonant Ionization Mass Spectrometry[J].Spectroscopy and Spectral Analysis,2000,20(3):260-264. |
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| Authors: | Hai DU Guizhen SHI Maocheng HUANG Changtai JIN |
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| Institution: | Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022 Changchun. |
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| Abstract: | Single-colour and two-colour multiphoton resonant ionization spectra of uranium atom were studied extensively with a Nd:YAG laser-pumped dye laser atomic beam apparatus time-of-flight mass spectrometer in our laboratory. The energy locations of high-lying odd-parity levels in the region 33,003-34,264 cm-1, measured by a two-colour three-step ionization technique, were reported here. The angular momentum quantum number J was uniquely assigned for these levels by using angular momentum selection rules. |
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| Keywords: | Uranium atom Resonant photoionization |
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