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Excitation of the ᾶ^3B_1 and Ã^1B_1 states of H_2O by low-energy electron impact

Hargreaves, L. and Ralphs, K. and Serna, G. and Khakoo, M. A. and Winstead, C. and McKoy, V. (2012) Excitation of the ᾶ^3B_1 and Ã^1B_1 states of H_2O by low-energy electron impact. Journal of Physics B: Atomic and Molecular Physics, 45 (20). Art. No. 201001. ISSN 0953-4075. https://resolver.caltech.edu/CaltechAUTHORS:20121107-142346905

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Abstract

We report measured and calculated differential cross-sections for inelastic scattering of low-energy electrons by water leading to excitation of the dissociative (1b_1 → 4ɑ_1) ^(1,3)B_1 states. The measurements were taken using conventional energy-loss spectroscopy at incident energies of 9, 10, 12, 15, and 20 eV for scattering angles from 10◦ to 130◦. The calculations were carried out using the Schwinger multichannel method, with a Born-dipole correction applied in the singlet excitation channel. Integral excitation cross sections for the ᾶ^3B_1 and Ã^1B_1 states are also derived from the differential cross section results.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1088/0953-4075/45/20/201001DOIUNSPECIFIED
http://iopscience.iop.org/0953-4075/45/20/201001PublisherUNSPECIFIED
ORCID:
AuthorORCID
Hargreaves, L.0000-0001-5023-6300
Additional Information:© 2012 Institute of Physics Publishing Ltd. Received 26 June 2012, in final form 21 August 2012. Published 12 September 2012. This work was sponsored by the US National Science Foundation under Grants PHY 0653452 (MAK) and PHY 0653396 (VM and CW). 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, and made use of the Jet Propulsion Laboratory’s Supercomputing and Visualization Facility.
Funders:
Funding AgencyGrant Number
NSFPHY 0653452
NSFPHY 0653396
Department of Energy (DOE) Chemical Sciences, Geosciences and Biosciences Division, Office of Basic Energy Sciences, Office of ScienceUNSPECIFIED
Subject Keywords:Atomic and molecular physics
Issue or Number:20
Classification Code:PACS: 34.80.Gs, 34.80.Nz, 34.80.Ht
Record Number:CaltechAUTHORS:20121107-142346905
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20121107-142346905
Official Citation:Excitation of the ᾶ^3B_1 and Ã^1B_1 states of H_2O by low-energy electron impact L Hargreaves et al 2012 J. Phys. B: At. Mol. Opt. Phys. 45 201001
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:35338
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:07 Nov 2012 23:22
Last Modified:09 Mar 2020 13:18

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