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Elastic electron scattering by C2F4

Winstead, C. and McKoy, V. (2005) Elastic electron scattering by C2F4. Journal of Chemical Physics, 122 (23). Art. no. 234304. ISSN 0021-9606. doi:10.1063/1.1927524.

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Recent measurements [R. Panajotovic, M. Jelisavcic, R. Kajita, T. Tanaka, M. Kitajima, H. Cho, H. Tanaka, and S. J. Buckman, J. Chem. Phys. 121, 4559 (2004)] and calculations [C. Trevisan, A. E. Orel, and T. N. Rescigno, Phys. Rev. A 70, 012704 (2004)] of the elastic electron cross section for C2F4 differ materially from our earlier calculations [C. Winstead and V. McKoy, J. Chem. Phys. 116, 1380 (2002)]. Some of the differences are readily attributed to approximations made in our computations, but an overall difference in cross section magnitude above ca. 10 eV was surprising. Here we report a reexamination of the electron-C2F4 elastic cross section. After eliminating or minimizing various possible sources of error, we continue to predict a substantially larger cross section at higher energies.

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Additional Information:©2005 American Institute of Physics (Received 15 December 2004; accepted 15 April 2005; published online 17 June 2005) This work was supported by the U.S. Department of Energy, Office of Basic Energy Sciences. The authors acknowledge Intel Corporation for an equipment grant that provided the computer cluster where many of these calculations were run and the JPL/Caltech Supercomputer Project for additional computing resources. They thank Professor Stephen Buckman and Professor Ann Orel for helpful discussions, Professor Buckman for communicating results in advance of publication, Dr. Cynthia Trevisan for providing data in electronic form, and Professor Buckman and Dr. Trevisan for their comments on the manuscript.
Subject Keywords:molecule-electron collisions; organic compounds
Issue or Number:23
Record Number:CaltechAUTHORS:WINjcp05
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:1245
Deposited By: Archive Administrator
Deposited On:05 Jan 2006
Last Modified:08 Nov 2021 19:08

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