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Low-energy elastic electron scattering by tetrafluoromethane (CF_4)

Winstead, Carl and Sun, Qiyan and McKoy, Vincent (1993) Low-energy elastic electron scattering by tetrafluoromethane (CF_4). Journal of Chemical Physics, 98 (2). pp. 1105-1109. ISSN 0021-9606.

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We report cross sections for electronically elastic electron scattering by CF_4 from 1 to 40 eV, calculated within the static‐exchange approximation using the Schwinger multichannel method. Although the static‐exchange approximation does not give results that are accurate in detail below 20 eV, it is useful in understanding resonant features in the elastic and vibrationally inelastic cross sections. Above 20 eV, where the static‐exchange approximation is more reliable, we derive a dissociation cross section in fair agreement with experiment by subtracting our result from the measured total cross section. We compare our integral and differential cross sections with the results of recent elastic and vibrationally inelastic scattering experiments.

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Alternate Title:Low-energy elastic electron scattering by tetrafluoromethane (CF4)
Additional Information:© 1993 American Institute of Physics. (Received 25 August 1992; accepted 29 September 1992) The calculations reported here employed the facilities of the CSCC, of the Phillips Laboratory-Kirtland Supercomputing Center (USAF), and of the JPL/Caltech Supercomputing Project. Financial support by the NSF under Grant No. PHY-9021933, by the Strategic Defense Initiative Organization through the Army Research Office, and by the IBM-Caltech Cooperative Research Fund is gratefully acknowledged.
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Strategic Defense Initiative Organization (SDIO)UNSPECIFIED
Army Research Office (ARO)UNSPECIFIED
IBM-Caltech Cooperative Research FundUNSPECIFIED
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Caltech Arthur Amos Noyes Laboratory of Chemical Physics8707
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Official Citation:Low‐energy elastic electron scattering by tetrafluoromethane (CF4) Winstead, Carl and Sun, Qiyan and McKoy, Vincent, The Journal of Chemical Physics, 98, 1105-1109 (1993), DOI:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:61674
Deposited By: George Porter
Deposited On:28 Oct 2015 22:51
Last Modified:03 Oct 2019 09:10

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