摘要
在流动余辉装置上,研究了亚稳态Ar(3P0,2)与SO2的传能反应.在位于流动管不同位置的两个窗口处,观察到了320~600nm的不同的两组光谱序列.其中,下游窗口所测光谱与之前作者在Ar与SO2混合气体空心阴极放电实验中得到的光谱一致,确定为SO(c1Σ-→X3Σ-)的发射谱;根据基于最小二乘法编写的光谱模拟程序模拟的光谱结果,上游窗口所测光谱中位于SO(c1Σ-→X3Σ-)发射谱线长波方向上的光谱序列被归属为SO(A″3Σ+→X3Σ-),并得到SO(A″3Σ+)的光谱常数为:T00=(30460±18.0)cm-1,ωe′χe′=(7.7±0.8)cm-1,ωe′=(685±8.0)cm-1.
On the flowing afterglow apparatus, in the energy transfer reaction between Ar （^3P0,2 ） and SO2, two series of spectra were observed at two different downstream optical windows from the discharge region. According to the data obtained in this group＇ s report on the discharge of the mixture of Ar with SO2 and spectral simulation, the two spectrum progressions in the range of 320 and 600 nm were assigned to SO （A＂ ^3∑^＋→X ^3∑^-） and SO （c ^1∑^-→X ^3∑^-）, respectively. The spectroscopic constants for the new electronic state were obtained by spectral simulation based on the method of the least square and shown as follows： T00= （30460 ± 18.0） cm^-1 , ωe＇=（685±8.0）cm^-1 and ωe＇Xe＇=（7.7±0.8）cm^-1.
基金
ProjectsupportedbythePresidentialFundofHefeiDivisionofChineseAcademyofSciences(20020602).
关键词
SO(A"
^3∑^+)电子态
流动余辉
气相发射光谱
Electronic excited state of SO （ A＂ ^3E^ ＋ ） , Flowing afterglow, Gaseous emission spectra
