State-to-state dynamics of high-n Rydberg H-atom scattering with H-2: inelastic scattering and reactive scattering

	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
卷号	17 期号:15 页码:9659-9665
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.
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
收录类别	SCI
语种	英语
WOS记录号	WOS:000352270700009
公开日期	2016-05-09
内容类型	期刊论文
源URL	[http://cas-ir.dicp.ac.cn/handle/321008/146156]
专题	大连化学物理研究所_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
推荐引用方式 GB/T 7714	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.