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N2O在142.5-147.5 nm射流冷却吸收光谱揭示的解离动力学
引用本文:甄承,胡亚华,周晓国,刘世林.N2O在142.5-147.5 nm射流冷却吸收光谱揭示的解离动力学[J].化学物理学报,2011,24(3):267-274.
作者姓名:甄承  胡亚华  周晓国  刘世林
作者单位:中国科学技术大学合肥微尺度物质科学国家实验室,化学物理系,合肥230026;嘉兴大学数学物理和信息工程学院,嘉兴314001;中国科学技术大学合肥微尺度物质科学国家实验室,化学物理系,合肥230026;中国科学技术大学合肥微尺度物质科学国家实验室,化学物理系,合肥230026
摘    要:在射流冷却分子束下, 测量了142.5~147.5 nm N2O分子C1∏态的吸收光谱,观测到清晰的振动序列结构,振动频率间隔约为500 cm-1. 结合理论计算的电子态势能面结构,这个振动序列被标识为解离电子态C1∏的弯曲振动激发. 傅立叶变换得到了相应的轨道周期为65 fs,而通过Lorentzian线型拟合获得了各振动峰对应的能级寿命约为20 fs.

关 键 词:吸收光谱,解离动力学,傅立叶变换,一氧化二氮
收稿时间:2011/3/21 0:00:00

Dissociation Dynamics of Nitrous Oxide from Jet-cooling Absorption Spectrum in 142.5-147.5 nm
Cheng Zhen,Ya-hua Hu,Xiao-guo Zhou and Shi-lin Liu.Dissociation Dynamics of Nitrous Oxide from Jet-cooling Absorption Spectrum in 142.5-147.5 nm[J].Chinese Journal of Chemical Physics,2011,24(3):267-274.
Authors:Cheng Zhen  Ya-hua Hu  Xiao-guo Zhou and Shi-lin Liu
Institution:Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China;College of Mathematics, Physics and Information Engineering, Jiaxing University, Jiaxing 314001, China;Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China;Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
Abstract:
Keywords:Dissociation dynamic  Nitrous oxide  Jet-cooling  Absorption spectrum
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