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The Study of the Change of Fine-structures in Rotational Energy Transfer of NH2 ()
Zhang Min,Shen Guanlin,Li Xuechu,Wang Xiuyan
Author NameAffiliation
Zhang Min State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023 
Shen Guanlin State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023 
Li Xuechu State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023 
Wang Xiuyan State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023 
Abstract:
By using the high resolution dispersion spectra of NH2(~A2A1,090) 423(F1/F2) it is ob-served that the spin-rotational conservation transition is dominant for the parent levels. It con-firms the assumption that the electron is a spectator at single collision between open-shell and close-shell molecules. As to the daughter levels, the tendency for the conservation of the spin-rotation coupling of the parent level is found and may be explained by the long range interaction between those molecules.
Key words:  NH2free radical, Rotational energy transfer, Change of fine-structure
FundProject:国家自然科学基金资助项目(29873051)
转动传能中NH2()精细结构态变化的研究
张敏,沈关林,李学初,王秀岩
摘要:
利用高分辨光谱技术观察了NH2(2A,090)423(F1/F2)在单次碰撞条件下的精细态色散荧光光谱,发现NH2(2A1)在与闭壳层分子碰撞传能过程中,母能级的自旋-转动耦合守恒,从实验上直接证实了在开壳层-闭壳层分子碰撞过程中电子自旋为一旁观者的假设;由于长程作用力造成子能级具有保持原来自旋-转动耦合的倾向.
关键词:  NH2自由基  转动传能  精细结构态的改变
DOI:10.1088/1674-0068/14/1/27-32
分类号: