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题名: Multiphoton dissociation dynamics of CH3Br
作者: Wang, Fengyan1, 2;  Lipciuc, M. Laura1;  Yang, Xueming2;  Kitsopoulos, Theofanis N.1, 3
通讯作者: Theofanis N.Kitsopoulos
刊名: PHYSICAL CHEMISTRY CHEMICAL PHYSICS
发表日期: 2009
DOI: 10.1039/b815824j
卷: 11, 期:13, 页:2234-2240
收录类别: SCI
文章类型: Article
部门归属: 11
项目归属: 1102
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Chemistry ;  Physics
英文摘要: The state-resolved photodissociation dynamics of CH3Br+ cations are studied using a combination of slice imaging and velocity mapping. Parent ions are prepared by (2 + 1) two-photon resonant three-photon ionization of CH3Br through the 5s Rydberg state in the energy region 29 069.8-29 976.0 cm(-1). Analysis of the photoelectron spectra reveals that CH3Br + ions are produced in the spin-orbit ground electronic state with a wide distribution of vibrational excitation. The photodissociation of CH3Br+ produces CH3+(X) + Br(P-2(1/2))/ Br(P-2(3/2)) whose product state distribution shows substantial excitation in the umbrella mode of the CH3+ photofragment, especially when concurrently producing the Br(P-2(1/2)) channel. The shapes of the photofragment angular distributions clearly show the different dissociation mechanisms in the Br(P-2(1/2)) and Br(P-2(3/2)) channels. The dissociation dynamics of the 5s Rydberg state of CH3Br are also presented and analyzed.
关键词[WOS]: MOLECULAR RYDBERG TRANSITIONS ;  METHYL-BROMIDE CH3BR ;  PHOTODISSOCIATION ;  SPECTRA ;  PHOTOELECTRON ;  IONIZATION ;  IONS ;  PHOTOIONIZATION ;  PHOTOABSORPTION ;  DESTRUCTION
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000264374700011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/101777
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.Fdn Res & Technol Hellas, Inst Elect Struct & Laser, Iraklion 71110, Greece
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
3.Univ Crete, Dept Chem, Iraklion 71003, Greece

Recommended Citation:
Wang, Fengyan,Lipciuc, M. Laura,Yang, Xueming,et al. Multiphoton dissociation dynamics of CH3Br[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2009,11(13):2234-2240.
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