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The Laser-Induced Fluorescence Spectrum of Jet-Cooled Diatomic Sulfur in Ultraviolet Region

文献类型:期刊论文

作者Ma Xin-wen2; Wang Shu-long1,2; Xiang Qian-lan3; Zhao Dong-mei2; Yang Jie2
刊名SPECTROSCOPY AND SPECTRAL ANALYSIS
出版日期2017-09-01
卷号37页码:2792-2798
关键词Diatomic sulfur molecule Laser-induced fluorescence spectroscopy Low energy excited state Electronic state structure Homogeneous perturbation
ISSN号1000-0593
DOI10.3964/j.issn.1000-0593(2017)09-2792-07
英文摘要The time-resolved and vibrational emission-resolved laser-induced fluorescence (LIF) spectra of jet -cooled supersonic diatomic sulfur molecule S-2 have been studied in the range of 30 400 similar to 34 400 cm(-1), and 184 bands were observed with high (0.1 cm(-1)) and low (0.3 cm(-1)) resolutions. 84 vibrational transitions were assigned to the B-3 Sigma(-)(u)-X-3 Sigma(-)(g) and B" (3)Pi(u)-X-3 Sigma(-)(g), and the molecular constants in the excited states B-3 Sigma(-)(u)upsilon=0 similar to 9 and B" (3)Pi(u)upsilon=2 similar to 12, including rotational constants, spin -orbit coupling constants, spin-rotation coupling constants, and spin-spin coupling constants, were obtained. The equilibrium molecular geometry in the vibronic ground state of B-3 Sigma(-)(u) was determined by high-resolution spectrum. As there is perturbation between the B-3 Sigma(-)(u) and B'' (3)Pi(u) states of S-2 molecule, the vibrational level intervals, spin-spin coupling constants and spin-orbit coupling constants of B-3 Sigma(-)(u) and B" (3)Pi(u) states are anomalous variation, as well as the intensity of rotational transition and the transition selection rules. The anomalous behavior of the rovibrational spectra was qualitatively explained by the homogeneous perturbations between (3)Sigma-(3)Pi states.
WOS关键词EXCITATION-SPECTRA
WOS研究方向Spectroscopy
语种英语
WOS记录号WOS:000411777800023
出版者OFFICE SPECTROSCOPY & SPECTRAL ANALYSIS
源URL[http://119.78.100.186/handle/113462/45676]  
专题近代物理研究所_实验物理中心
通讯作者Yang Jie
作者单位1.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
2.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China
3.Xianyang Normal Univ, Xianyang 712000, Peoples R China
推荐引用方式
GB/T 7714
Ma Xin-wen,Wang Shu-long,Xiang Qian-lan,et al. The Laser-Induced Fluorescence Spectrum of Jet-Cooled Diatomic Sulfur in Ultraviolet Region[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2017,37:2792-2798.
APA Ma Xin-wen,Wang Shu-long,Xiang Qian-lan,Zhao Dong-mei,&Yang Jie.(2017).The Laser-Induced Fluorescence Spectrum of Jet-Cooled Diatomic Sulfur in Ultraviolet Region.SPECTROSCOPY AND SPECTRAL ANALYSIS,37,2792-2798.
MLA Ma Xin-wen,et al."The Laser-Induced Fluorescence Spectrum of Jet-Cooled Diatomic Sulfur in Ultraviolet Region".SPECTROSCOPY AND SPECTRAL ANALYSIS 37(2017):2792-2798.

入库方式: OAI收割

来源:近代物理研究所

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