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题名: Effect of parent internal excitation on product state distribution in methyl radical photodissociation at 212.5 nm
作者: Wu, Guo-Rong;  Zhang, Jing-Hui;  Harich, Steven A.;  Yang, Xue-ming
通讯作者: 杨学明
关键词: high Rydberg state ;  CH3 radical ;  photodissociation
刊名: CHINESE JOURNAL OF CHEMICAL PHYSICS
发表日期: 2006-04-27
DOI: 10.1360/cjcp2006.19(2).109.8
卷: 19, 期:2, 页:109-116
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 the CH3 radical at 212.5 nm excitation has been studied experimentally using the H atom Rydberg tagging time-of-flight method. CH3 radicals are produded by photodissociation of GH(3)I at 266 run. Translational energy distribution and angular distribution for the CH2 product from CH3 photodissociation at different vibrational levels via the 3s Rydberg state have been measured. From these distributions, product J state distributions are obtained for photodissociation of different vibrationally excited CH3 radicals. The effect of parent vibrational as well as rotational excitation on the dissociation dynamics of CH3 is also investigated in detail. Experimental results in this work show that parent vibrational excitation in the umbrella mode has a significant effect on both rotational excitation and angular distribution of the CH2 product, while parent rotational excitation has obvious effect only on the angular distribution of CH2 product.
关键词[WOS]: POTENTIAL-ENERGY SURFACES ;  MULTI-PHOTON IONIZATION ;  DYNAMICS ;  SPECTROSCOPY ;  IODIDE ;  BAND ;  CH3 ;  MOLECULES ;  CD3
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000237684100005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/97177
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
2.Acad Sinica, Inst Atom & Mol Sci, Taipei 23166, Taiwan

Recommended Citation:
Wu, Guo-Rong,Zhang, Jing-Hui,Harich, Steven A.,et al. Effect of parent internal excitation on product state distribution in methyl radical photodissociation at 212.5 nm[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2006,19(2):109-116.
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