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题名: A new product channel in the energy transfer of CO (a, v ') plus NO(X)
作者: Zhang, L;  Zhang, M;  Li, XC;  Wang, XY;  Shen, GL
关键词: single collision ;  energy transfer ;  electron exchange mechanism
刊名: CHINESE JOURNAL OF CHEMICAL PHYSICS
发表日期: 2004-02-01
卷: 17, 期:1, 页:10-14
收录类别: SCI
文章类型: Article
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: Under single-collision conditions, a beam of metastable molecules CO ( a, v) generated by DC discharge was allowed to collide with a beam of NO(X) at a fixed angle of 90degrees. The collision-induced emission from the interaction region was collected at right angles to the beam plane by a lens set and dispersed by a I in monochromator where a cooled photomultiplier tube was mounted on the exit slit. The signal from the PMT was transmitted via a discriminator, a photon counter and a boxcar integrator into a computer for storing and processing. Two broadband emissions were observed around the wavelengths of 780 and 860 nm, which can be assigned to NO(b-a) Ogawa bands Deltanu = + 4 and + 3 sequences, respectively, and referred to the spectroscopic data given by Huber. At the collision energy of 0.05 eV in the present experimental conditions, the electronic energy of CO ( a, V = 0) (6.01 eV) was not enough to excite NO ( X) to NO (b, nu' = 4,5) (DeltaE > 6.11 eV). So, what was in act in the energy transfer was the vibrational excitation of CO ( a, nu' > 0), and the higher the vibrational excitation of CO ( a, V) was, the stronger the emission intensity of NO( b-a) could be obtained. It is thought that electron exchange between CO ( a) and NO ( X) may be operative through the formation of a complex OCNO. The newly discovered formation of NO ( b) channel could be well explained considering the energy conservation, spin conservation and electron exchange mechanism.
关键词[WOS]: EXCITATION ;  BEAMS ;  NO
语种: 英语
WOS记录号: WOS:000220151200004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139374
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

Recommended Citation:
Zhang, L,Zhang, M,Li, XC,et al. A new product channel in the energy transfer of CO (a, v ') plus NO(X)[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2004,17(1):10-14.
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