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A Study of Photoionosation Mass Spectrometry of Nitrous Oxide
Wang Yingxue,Zhu Linfan,Liu Xiaojing,Jiang Ximan,Yuan Zhensheng,Yang Tao,Xu Kezun
Author NameAffiliation
Wang Yingxue Laboratory of Atomic and Molecular Physics, Department of Modern Physics, University of Science and Technology of China, Hefei 230027 
Zhu Linfan Laboratory of Atomic and Molecular Physics, Department of Modern Physics, University of Science and Technology of China, Hefei 230027 
Liu Xiaojing Laboratory of Atomic and Molecular Physics, Department of Modern Physics, University of Science and Technology of China, Hefei 230027 
Jiang Ximan Laboratory of Atomic and Molecular Physics, Department of Modern Physics, University of Science and Technology of China, Hefei 230027 
Yuan Zhensheng Laboratory of Atomic and Molecular Physics, Department of Modern Physics, University of Science and Technology of China, Hefei 230027 
Yang Tao Laboratory of Atomic and Molecular Physics, Department of Modern Physics, University of Science and Technology of China, Hefei 230027 
Xu Kezun Laboratory of Atomic and Molecular Physics, Department of Modern Physics, University of Science and Technology of China, Hefei 230027 
Abstract:
The absolute optical oscillator strengths density spectrum and photoionization mass spectrometry of nitrous oxide in the energy region of 7.8~24.5eV have been measured at an im-pact energy of 2500eV with the FWHM 200meV. Values of the partial photoionization oscillator strengths density of N2O+, NO+, O+, N2+and N+are reported and values of the oscillator strengths density for neutral dissociation in the energy region of 13.0~21.0eV are reported for the first time. The competition among different decay channels of the superexcited states of ni-trous oxide is expatiated.
Key words:  Optical oscillator strengths, Electron energy loss coincidence spectrum, Nitrous ox-ide, Ionization, Predissociation
FundProject:国家自然科学基金资助项目(19634040)和高等学校博士学科点专项科研基金资助课题
一氧化二氮的光电离质谱研究
王映雪,朱林繁,刘小井,江锡满,苑震生,杨涛,徐克尊
摘要:
在入射电子能量2500eV、能量分辨200meV的条件下测量了一氧化二氮分子在7.8~24.5eV的光学振子强度密度谱和光电离质谱,报道了N2O+、NO+、O+、N2+和N+等离子在较高能量分辨下的部分光学振子强度密度,首次给出了一氧化二氮分子在13.0~21.0eV能区中性解离的振子强度密度.并在对这些数据进行分析的基础上阐述了一氧化二氮分子超激发态的不同退激发道的竞争过程.
关键词:  光学振子强度  电子能量损失符合谱  一氧化二氮  电离  预解离
DOI:10.1088/1674-0068/14/1/33-39
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