| 15N16O的激光磁共振谱与同位素分子15N17O和15N18O的光谱分析 |
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| 引用本文： | 刘红平,郭远清,刘效庸,林洁丽,李奉延,李津蕊,刘煜炎. 15N16O的激光磁共振谱与同位素分子15N17O和15N18O的光谱分析[J]. 物理学报, 1999, 48(11): 2030-2037 |
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| 作者姓名： | 刘红平 郭远清 刘效庸 林洁丽 李奉延 李津蕊 刘煜炎 |
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| 作者单位： | 中国科学院武汉物理与数学研究所波谱与原子分子物理国家重点实验室，武汉 430071 |
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| 基金项目： | 国家95攀登计划、中国科学院百人计划和国家自然科学基金(批准号：19874072)资助的课题. |
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| 摘 要： | 采用内腔式饱和吸收技术获得Lamb凹陷，使CO激光磁共振谱仪的灵敏度及分辨率大大提高.利用该技术对自然丰度下15N16O的X2Π(υ=1)←X2Π(υ=0)塞曼跃迁进行测量，实现了包括Λ双分裂在内的各种精细结构的谱分辨.结合已发表的15NO同位素分子光谱实验数据进行分析计算，拟合得到迄今最完备、最精确的各相关同位素分子15NmO(m=16—18)的结构参关键词：
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| 关 键 词： | 激光磁共振谱 氮氧化物 同位素分子 光谱分析 |
| 收稿时间： | 1999-02-17 |
CO LASER MAGNETIC RESONANCE SPECTRUM OF 15N16O AND ITS ANALYSIS WITH SPECTRA OF 15N17O AND 15N18O |
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| LIU HONG-PING,GUO YUAN-QING,LIU XIAO-YONG,LIN JIE-LI,LI FENG-YAN,LI JIN-RUI and LIU YU-YAN. CO LASER MAGNETIC RESONANCE SPECTRUM OF 15N16O AND ITS ANALYSIS WITH SPECTRA OF 15N17O AND 15N18O[J]. Acta Physica Sinica, 1999, 48(11): 2030-2037 |
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| Authors: | LIU HONG-PING GUO YUAN-QING LIU XIAO-YONG LIN JIE-LI LI FENG-YAN LI JIN-RUI LIU YU-YAN |
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| Abstract: | Employing the intracavity absorption technique,Lamb dip of the spectrum was obtained and the resolution and sensitivity of CO Laser magnetic resonance(LMR) spectrometer was greatly improved. By this technique, the X2Π3/2(υ=1←0) Zeeman transitions of 15N16O were observed with the Λ-doubling and hyperfine structures resolved. A correlative analysis of the LMR Spectrum of 15N16O with the previous available measurements was performed. The global least-square fit provided by far the most complete and the most accurate molecular constants of all the related isotopic species of 15NmO(m=16—18). The accuracy of these constants is improved by 1 or 2 orders. Many of the molecular constants including γ, AD, Δ01, Δ10, Δ00 were determined for the first time. |
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