Three-body fragmentation dynamics of CH2CCH23+ investigated by 50-keV/u Ne8+ impact
文献类型:期刊论文
作者 | Ma, Chao1; Xu, Shenyue1![]() ![]() ![]() ![]() ![]() ![]() ![]() |
刊名 | PHYSICAL REVIEW A
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出版日期 | 2020-05-04 |
卷号 | 101期号:5页码:8 |
ISSN号 | 2469-9926 |
DOI | 10.1103/PhysRevA.101.052701 |
通讯作者 | Xu, Shenyue(xushenyue@xjtu.edu.cn) ; Ma, Xinwen(x.ma@impcas.ac.cn) |
英文摘要 | The three-body fragmentation dynamics of triply charged allene (CH2CCH23+) induced by 50-keV/u Ne8+ ion impact is studied by measuring the charged fragments in coincidence using the reaction microscope. We focus on the fragmentation dynamics of two completely measured fragmentation channels, H+ + CH+ + C2H2+ and H+ + CH2+ + C2H+, for which breakage of one CH bond and one CC bond occurred during fragmentation. Both concerted and sequential dissociation mechanisms are observed for these two channels. For sequential process, we found that CH bond cleavage in the first step followed by CC cleavage is the major contribution for both channels. However, the process in which breakage of the CC bond is prior to CH breakage is observed for only the H+ + CH2+ + C2H+ channel. The relative contributions of different fragmentation pathways are determined. |
WOS关键词 | MOMENTUM SPECTROSCOPY ; COULOMB EXPLOSION ; RECOIL-ION ; INTENSE ; DISSOCIATIONS ; COINCIDENCE ; CH4 ; METHYLACETYLENE ; MIGRATION ; MOLECULES |
资助项目 | National Key Research and Development Program of China[2017YFA0402300] ; National Natural Science Foundation of China[U1432122] ; National Natural Science Foundation of China[11674332] ; China Post-doctoral Science Foundation[2017M613100] ; Fundamental Research Funds for the Central Universities of China |
WOS研究方向 | Optics ; Physics |
语种 | 英语 |
WOS记录号 | WOS:000530022300007 |
出版者 | AMER PHYSICAL SOC |
资助机构 | National Key Research and Development Program of China ; National Natural Science Foundation of China ; China Post-doctoral Science Foundation ; Fundamental Research Funds for the Central Universities of China |
源URL | [http://119.78.100.186/handle/113462/140516] ![]() |
专题 | 中国科学院近代物理研究所 |
通讯作者 | Xu, Shenyue; Ma, Xinwen |
作者单位 | 1.Xi An Jiao Tong Univ, Sch Sci, MOE Key Lab Nonequilibrium Synth & Modulat Conden, Xian 710049, Peoples R China 2.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China 3.Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China |
推荐引用方式 GB/T 7714 | Ma, Chao,Xu, Shenyue,Zhao, Dongmei,et al. Three-body fragmentation dynamics of CH2CCH23+ investigated by 50-keV/u Ne8+ impact[J]. PHYSICAL REVIEW A,2020,101(5):8. |
APA | Ma, Chao.,Xu, Shenyue.,Zhao, Dongmei.,Guo, Dalong.,Yan, Shuncheng.,...&Ma, Xinwen.(2020).Three-body fragmentation dynamics of CH2CCH23+ investigated by 50-keV/u Ne8+ impact.PHYSICAL REVIEW A,101(5),8. |
MLA | Ma, Chao,et al."Three-body fragmentation dynamics of CH2CCH23+ investigated by 50-keV/u Ne8+ impact".PHYSICAL REVIEW A 101.5(2020):8. |
入库方式: OAI收割
来源:近代物理研究所
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