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DOI	10.1126/science.276.5318.1530
	The source of green light emission determined from a heavy-ion storage ring experiment
	Kella D.; Vejby-Christensen L.; Johnson P.J.; Pedersen H.B.; Andersen L.H.
发表日期	1997
ISSN	0036-8075
起始页码	1530
结束页码	1533
卷号	276 期号:5318
英文摘要	The final electronic states of oxygen atoms formed by dissociative recombination of O2+ with cold electrons have been measured by an imaging technique at a heavy-ion storage ring. The 3P, 1D, and 1S quantum yield for O2+ in the vibrational ground level was found to be 0.86, 1.09, and 0.05, respectively. The yield of the 1S state, which is responsible for the 5577 angstrom green light from upper planetary atmospheres, was more than an order of magnitude larger than the theoretical value used in atmospheric models. The results may help refine the models of the chemistry and dynamics of the ionosphere and provide guidance for further quantum-chemistry calculations.The final electronic states of oxygen atoms formed by dissociative recombination of O2+ with cold electrons have been measured by an imaging technique at a heavy-ion storage ring. The 3P, 1D, and 1S quantum yield for O2+ in the vibrational ground level was found to be 0.86, 1.09, and 0.05, respectively. The yield of the 1S state, which is responsible for the 5577 angstrom green light from upper planetary atmospheres, was more than an order of magnitude larger than the theoretical value used in atmospheric models. The results may help refine the models of the chemistry and dynamics of the ionosphere and provide guidance for further quantum-chemistry calculations.
英文关键词	Atoms; Dissociation; Electron energy levels; Electrons; Imaging techniques; Ions; Molecules; Oxygen; Storage rings; Dissociative recombination; Green light emission; Quantum chemistry; Quantum yield; Ionosphere; article; atmosphere; dissociation; infrared radiation; ion transport; priority journal; quantum chemistry; ultraviolet radiation
语种	英语
来源期刊	Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/244248
作者单位	Institute of Physics and Astronomy, University of Aarhus, DK 8000, Aarhus C, Denmark
推荐引用方式 GB/T 7714	Kella D.,Vejby-Christensen L.,Johnson P.J.,et al. The source of green light emission determined from a heavy-ion storage ring experiment[J],1997,276(5318).
APA	Kella D.,Vejby-Christensen L.,Johnson P.J.,Pedersen H.B.,&Andersen L.H..(1997).The source of green light emission determined from a heavy-ion storage ring experiment.Science,276(5318).
MLA	Kella D.,et al."The source of green light emission determined from a heavy-ion storage ring experiment".Science 276.5318(1997).