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Photoelectron spectroscopy of reactive intermediates using synchrotron radiation

Barr, J.D., Beeching, L., De Fanis, A., Dyke, J.M., Gamblin, S.D., Hooper, N., Morris, A., Stranges, S., West, J.B., Wright, A.E. and Wright, T.G. (2000) Photoelectron spectroscopy of reactive intermediates using synchrotron radiation Journal of Electron Spectroscopy and Related Phenomena, 108, (1-3), pp. 47-61. (doi:10.1016/S0368-2048(00)00145-6).

Record type: Article


Experiments performed with a purpose built spectrometer to study reactive intermediates with synchrotron radiation are described. Results are presented for some short-lived molecules of atmospheric and combustion importance. Constant ionic state (CIS) and photoelectron spectra were recorded. In each case, the observation of resonant structure in the CIS spectrum enabled the identification and characterisation of Rydberg series associated with excited neutral states to be carried out. Examples of window resonances (SO) and possible competition between autoionisation and predissociation (O-2(a(1)Delta(g))) are encountered. Photoelectron spectra recorded at selected resonant energies exhibited extended vibrational structure, which led to improved estimates of ionic state spectroscopic parameters (omega(e), omega(e)x(e)). Franck-Condon calculations for both CIS and PES data provided confirmation of resonant state assignments. Preliminary angular distribution measurements performed on O-2(a(1)Delta(g)) are presented, where the asymmetry parameter (beta) showed structure at energies corresponding to neutral state resonances. (C) 2000 Elsevier Science B.V. All rights reserved.

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Published date: 1 July 2000
Keywords: photoelectron spectroscopy, reactive intermediates, synchrotron radiation radiationangular-distribution, molecules, cs+, energy


Local EPrints ID: 18937
PURE UUID: 45a4d01a-551a-4ec8-ac5e-de2a4053ae50
ORCID for J.M. Dyke: ORCID iD

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Date deposited: 19 Jan 2006
Last modified: 17 Jul 2017 16:34

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Author: J.D. Barr
Author: L. Beeching
Author: A. De Fanis
Author: J.M. Dyke ORCID iD
Author: S.D. Gamblin
Author: N. Hooper
Author: A. Morris
Author: S. Stranges
Author: J.B. West
Author: A.E. Wright
Author: T.G. Wright

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