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14—20 eV范围内CO的Rydberg系列

Rydberg series of CO in the region 14—20 eV

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【Author】 Zhao Yu-Jie1)2) Wang Si-Sheng2) 3) Shan Xiao-Bin2) Sheng Liu-Si2)Hao Li-Qing4) Wang Zhen-Ya4) Zhang Jie1) Zhang Li-Hua1) 1)(School of Physics and Electrical Engineering, Anqing Normal College, Anqing 246133, China) 2)(National Synchrotron Radiation Laboratory, School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230029, China) 3)(Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China) 4)(Laboratory of Environmental Spectroscopy, Anhui Institute of Optics Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China)

【机构】安庆师范学院物理与电气工程学院；中国科学技术大学核科学技术学院国家同步辐射实验室；中国科学院上海应用物理研究所；中国科学院安徽光学精密机械研究所环境光谱学实验室；

【摘要】利用同步辐射和多级光电离吸收池,在14—20eV(890—620)范围内测量了CO绝对光吸收谱,得到了CO离子态的电离能.根据CO绝对光吸收谱,结合理论计算,分别识别了收敛到CO+三个电子态(Χ2Σ+,Α2Π和B2Σ+)的Rydberg系列.不仅扩充了前人识别的Rydberg系列和振动序列,而且探索性地识别了收敛到CO+基态X2Σ+(ν+=2和3)的Rydberg系列Rx-Ⅰ,和收敛到CO+(Α2Π)电子态的量子数n=2(真实值等于3)的振动序列.与此同时,本文也深入讨论了17.0—17.5eV(730—710)范围内CO吸收光谱的特征.更多还原

【Abstract】 Absolute photoabsorption spectrum of CO molecule in the region 14—20 eV(620—890 ) is measured using synchrotron radiation and multi-stage photoionization chamber, and its ionization energy is obtained. According to the absorption spectrum of CO and theoretical calculation, the Rydberg series converging to the Χ2Σ+, Α2Π, and B2Σ+ states of CO+ are assigned separately. Rydberg series assigned before are extended, Rydberg series converging to the Χ2Σ+ (ν+=2 and 3) of CO+, and n=2 (the real value of n is 3) progressions of the series converging to the Α2Π state of CO+ are identified. At the same time, the absorption spectrum of CO in the region 17.0—17.5 eV (710—730 ) is also discussed deeply.更多还原

【关键词】同步辐射；多级光电离吸收池； Rydberg系列；振动序列；
【Key words】 synchrotron radiation； multi-stage photoionization chamber； Rydberg series； vibration progressions；

【基金】国家自然科学基金(批准号:10874167,10875126);中科院知识创新工程重大创新项目(批准号:KJCX2-YW-N07)资助的课题~~

【文献出处】物理学报 ,Acta Physica Sinica , 编辑部邮箱 ,2011年09期

【分类号】O561.3
【被引频次】1
【下载频次】49

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