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State-to-state dynamics of high-n Rydberg H-atom scattering with H-2: inelastic scattering and reactive scattering
Yu, Shengrui; Su, Shu; Dai, Dongxu; Yuan, Kaijun; Yang, Xueming
刊名PHYSICAL CHEMISTRY CHEMICAL PHYSICS
2015
DOI10.1039/c4cp02734e
17期:15页:9659-9665
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical ; Physics, Atomic, Molecular & Chemical
研究领域[WOS]Chemistry ; Physics
关键词[WOS]DIFFERENTIAL CROSS-SECTIONS ; VIBRATIONAL-EXCITATION ; COLLISIONS ; HYDROGEN ; O-2 ; MOLECULES ; N-2
英文摘要The state-to-state dynamics of high-n Rydberg H-atom scattering with para-H-2 at the collision energies of 0.45 and 1.07 eV have been studied using the H-atom Rydberg tagging time-of-flight technique. Both the inelastic scattering and reactive scattering are observed in the experimental time-of-flight spectra. The products H-2(v', j' = odd) come only from reactive scattering and present clearly forward-backward asymmetric angular distributions, which differ from those of the corresponding ion-molecule reaction. The products H-2(v', j' = even), however, come from both reactive scattering and inelastic scattering. Simulating the rotational distribution from reactive scattering, we found that most of the H-2(v', j' = even) products come from inelastic scattering. The angular distributions of the product H-2(v', j' = even) are consistent with what is predicted by the conventional textbook mechanism of inelastic scattering, and are a little different from those of the corresponding ion-molecule inelastic scattering. These results suggest that the effect of Rydberg electron could not be neglected in describing the differential cross sections of H* + para-H-2 scattering. From the simulation, the branching ratios of the inelastic scattering channel were determined to be 66% and 79% at the collision energies of 0.45 and 1.07 eV, respectively.
语种英语
WOS记录号WOS:000352270700009
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146156
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
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Yu, Shengrui,Su, Shu,Dai, Dongxu,et al. State-to-state dynamics of high-n Rydberg H-atom scattering with H-2: inelastic scattering and reactive scattering[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2015,17(15):9659-9665.
APA Yu, Shengrui,Su, Shu,Dai, Dongxu,Yuan, Kaijun,&Yang, Xueming.(2015).State-to-state dynamics of high-n Rydberg H-atom scattering with H-2: inelastic scattering and reactive scattering.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,17(15),9659-9665.
MLA Yu, Shengrui,et al."State-to-state dynamics of high-n Rydberg H-atom scattering with H-2: inelastic scattering and reactive scattering".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 17.15(2015):9659-9665.
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