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Excitation of the six lowest electronic transitions in water by 9–20 eV electrons

Ralphs, K. and Serna, G. and Hargreaves, L. R. and Khakoo, M. A. and Winstead, C. and McKoy, V. (2013) Excitation of the six lowest electronic transitions in water by 9–20 eV electrons. Journal of Physics B: Atomic and Molecular Physics, 46 (12). Art, No. 125201. ISSN 0953-4075. https://resolver.caltech.edu/CaltechAUTHORS:20130722-092516505

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Abstract

We report differential and integral cross sections for excitation of the ^(3)B_1, ^(1)B_1, ^(3)A_2, ^(1)A_2, ^(3)A_1 and ^(1)A_1 states of H_(2)O by 9–20 eV electrons. The measurements are taken by conventional differential electron energy loss spectroscopy techniques, while the calculations employ the Schwinger multichannel method within a ten-channel approximation. The new data are compared with previous experimental and theoretical results. The present measurements and calculations agree reasonably well both with each other and with prior theoretical efforts but show discrepancies with prior measurements. Reasons for those discrepancies are considered and discussed.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1088/0953-4075/46/12/125201DOIArticle
http://iopscience.iop.org/0953-4075/46/12/125201/PublisherArticle
ORCID:
AuthorORCID
Hargreaves, L. R.0000-0001-5023-6300
Additional Information:© 2013 IOP Publishing. Received 3 April 2013; in final form 30 April 2013; Published 24 May 2013. This work was sponsored by the US National Science Foundation under Grants PHY-0968873 and PHY-0968874. The work of VM and CW was supported by the Chemical Sciences, Geosciences and Biosciences Division, Office of Basic Energy Sciences, Office of Science, US Department of Energy under grant DE-FG02-97ER14814 and made use of the Jet Propulsion Laboratory’s Supercomputing and Visualization Facility.
Funders:
Funding AgencyGrant Number
NSFPHY-0968873
NSFPHY-0968874
Department of Energy (DOE) Chemical Sciences, Geosciences and Biosciences DivisionDE-FG02-97ER14814
Issue or Number:12
Classification Code:PACS: 34.80.Gs; 34.80.Nz; 34.80.Ht; 34.50.Gb
Record Number:CaltechAUTHORS:20130722-092516505
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20130722-092516505
Official Citation:Excitation of the six lowest electronic transitions in water by 9–20 eV electrons K Ralphs et al 2013 J. Phys. B: At. Mol. Opt. Phys. 46 125201
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:39486
Collection:CaltechAUTHORS
Deposited By: Jason Perez
Deposited On:22 Jul 2013 20:27
Last Modified:09 Mar 2020 13:18

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