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Molecular beam study of gateway-coupling N-2(C-3 Pi(u)/a '(1)Sigma(-)(u)) and chemical quenching of the metastable N-2(a ') state
Ottinger, C; Shen, G
Source PublicationJOURNAL OF CHEMICAL PHYSICS
1998-02-01
Volume108Issue:5Pages:1997-2004
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectPhysics, Atomic, Molecular & Chemical
WOS Research AreaPhysics
WOS KeywordINTRAMOLECULAR COLLISIONAL TRANSFER ; PRECISE TERM ENERGY ; INDUCED TRANSITIONS ; N2(B 3-PI-G) ; N-2 ; EMISSION ; NITROGEN ; PREDISSOCIATION ; FLUORESCENCE ; 3-SIGMA-U+)
AbstractCollisions of metastable N-2 molecules in a beam with a variety of gases result in nitrogen "second positive" emission from a single, isolated level N-2 (C (3) Pi(u1), upsilon = 0, J = 14). The highly selective collisional excitation was explained by a gateway-type coupling with the accidentally nearly degenerate level N-2 (a' (1) Sigma(u)(-), upsilon = 16, J = 14). This identifies even the Lambda component of the emitting level, namely "f". Some additional, minor gateway emissions could in part be related to known N-2(C) perturbations. Unlike gateway emissions reported earlier from this laboratory, the nature of the collision partner was important here. He, Ne, Ar, Kr, N-2, CO, and CO2, all gave about equally strong emission, while almost none was observed with NH3, O-2, and Xe. This is ascribed to the collisional quenching of N-2(a') by Penning ionization (for NH3) or by a harpooning mechanism (for Xe and O-2). (C) 1998 American Institute of Physics.
Language英语
WOS IDWOS:000071748000030
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/138128
Collection中国科学院大连化学物理研究所
Affiliation1.Max Planck Inst Stromungsforsch, D-37073 Gottingen, Germany
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Ottinger, C,Shen, G. Molecular beam study of gateway-coupling N-2(C-3 Pi(u)/a '(1)Sigma(-)(u)) and chemical quenching of the metastable N-2(a ') state[J]. JOURNAL OF CHEMICAL PHYSICS,1998,108(5):1997-2004.
APA Ottinger, C,&Shen, G.(1998).Molecular beam study of gateway-coupling N-2(C-3 Pi(u)/a '(1)Sigma(-)(u)) and chemical quenching of the metastable N-2(a ') state.JOURNAL OF CHEMICAL PHYSICS,108(5),1997-2004.
MLA Ottinger, C,et al."Molecular beam study of gateway-coupling N-2(C-3 Pi(u)/a '(1)Sigma(-)(u)) and chemical quenching of the metastable N-2(a ') state".JOURNAL OF CHEMICAL PHYSICS 108.5(1998):1997-2004.
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