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题名: Crossed-beam universal-detection reactive scattering of radical beams characterized by laser-induced-fluorescence: the case of C-2 and CN
作者: Leonori, Francesca1;  Hickson, Kevin M.2;  Le Picard, Sebastien D.3;  Wang, Xingan4;  Petrucci, Raffaele1;  Foggi, Paolo1;  Balucani, Nadia1;  Casavecchia, Piergiorgio1
关键词: reaction dynamics ;  laser induced fluorescence ;  crossed molecular beam technique ;  radical beams ;  C-2 and CN radicals ;  reactions of CN with unsaturated hydrocarbons
刊名: MOLECULAR PHYSICS
发表日期: 2010
DOI: 10.1080/00268971003657110
卷: 108, 期:7-9, 页:1097-1113
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Physics
英文摘要: Continuous supersonic beams of dicarbon (C-2) and cyano (CN) radicals have been generated by a high-pressure radio-frequency discharge beam source starting from dilute mixtures in rare gases of suitable precursor molecules. Their internal quantum state distributions have been characterized by laser-induced-fluorescence (LIF) in a new crossed molecular beam-laser apparatus. These supersonic beams have been used to study the reactive scattering of C-2 and CN radicals with unsaturated hydrocarbons. This paper reports here on the C-2 and CN radical beam characterization by LIF and on dynamics studies of the reactions CN+C2H2 (acetylene) and CN+CH3CCH (methylacetylene) by the crossed molecular beam scattering technique with universal mass spectrometric detection and time-of-flight analysis. The role of CN rovibrational excitation on the dynamics of the CN+C2H2 reaction is discussed with reference to previous dynamics and kinetics studies. These reactions are of interest in the chemistry of planetary atmospheres (Titan) and the interstellar medium as well as in combustion.
关键词[WOS]: CLASSICAL TRAJECTORY CALCULATIONS ;  FOURIER-TRANSFORM SPECTROSCOPY ;  SOFT ELECTRON-IONIZATION ;  MOLECULAR-BEAM ;  CHEMICAL-DYNAMICS ;  CYANO RADICALS ;  AB-INITIO ;  HYDROCARBON MOLECULES ;  ELEMENTARY REACTIONS ;  ATOMIC OXYGEN
语种: 英语
WOS记录号: WOS:000278110600026
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142114
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Univ Perugia, Dipartimento Chim, I-06123 Perugia, Italy
2.Univ Bordeaux, CNRS, UMR 5255, Inst Mol Sci, F-33405 Talence, France
3.Univ Rennes 1, CNRS, UMR 6251, Inst Phys Rennes, F-35042 Rennes, France
4.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
Leonori, Francesca,Hickson, Kevin M.,Le Picard, Sebastien D.,et al. Crossed-beam universal-detection reactive scattering of radical beams characterized by laser-induced-fluorescence: the case of C-2 and CN[J]. MOLECULAR PHYSICS,2010,108(7-9):1097-1113.
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