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题名: A velocity map ion-imaging study on ketene photodissociation at 208 and 213 nm: Rotational dependence of product angular anisotropy
作者: Liu, J;  Wang, FY;  Wang, H;  Jiang, B;  Yang, XM
通讯作者: 杨学明
刊名: JOURNAL OF CHEMICAL PHYSICS
发表日期: 2005-03-08
DOI: 10.1063/1.1858435
卷: 122, 期:10, 页:104309-1-104309-6
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]: Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Physics
英文摘要: Photodissociation dynamics of ketene following excitation at 208.59 and 213.24 nm have been investigated using the velocity map ion-imaging method. Both the angular distribution and translational energy distribution of the CO products at different rotational and vibrational states have been obtained. No significant difference in the translational energy distributions for different CO rotational state products has been observed at both excitation wavelengths. The anisotropy parameter beta is, however, noticeably different for different CO rotational state products at both excitation wavelengths. For lower rotational states of the CO product, beta is smaller than zero, while beta is larger than zero for CO at higher rotational states. The observed rotational dependence of angular anisotropy is interpreted as the dynamical influence of a peculiar conical intersection between the B-1(1) excited state and (1)A(2) state along the C-S-I coordinate.
关键词[WOS]: ELECTRONIC STATES ;  AB-INITIO ;  RYDBERG STATES ;  CO ;  DISSOCIATION ;  SPECTROSCOPY ;  DYNAMICS ;  PHOTOFRAGMENTATION ;  DISTRIBUTIONS ;  EXCITATION
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000228287500019
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/92447
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.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China

Recommended Citation:
Liu, J,Wang, FY,Wang, H,et al. A velocity map ion-imaging study on ketene photodissociation at 208 and 213 nm: Rotational dependence of product angular anisotropy[J]. JOURNAL OF CHEMICAL PHYSICS,2005,122(10):104309-1-104309-6.
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