Winstead, Carl and Sun, Qiyan and McKoy, Vincent and Luiz da Silva Lino, Jorge and Lima, Marco A. P. (1992) Low-energy electron scattering by methane, arsine and phosphine. Zeitschrift für Physik D Atoms, Molecules and Clusters, 24 (2). pp. 141-147. ISSN 0178-7683. doi:10.1007/BF01426698. https://resolver.caltech.edu/CaltechAUTHORS:20151028-114738710
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Abstract
We present cross sections for the elastic scattering of low-energy electrons by phosphine (PH_3) and arsine (AsH_3), and for electron-impact excitation of the (1t_2 → 3sa_1)^3T_2 and ^1T_2 states in methane (CH_4). These results were calculated using the Schwinger multichannel method as implemented on distributed-memory parallel computers. The PH_3 and AsH_3 cross sections show a pronounced low-energy shape resonance which may provide a pathway to dissociative attachment. The ^(1,3)T_2 cross sections for CH_4 correlate fairly well with recent measurements of CH_2 production via electron-impact dissociation of methane.
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| Additional Information: | © 1992 Springer. Received: 5 March 1992. Final version: 13 April 1992. We thank the staff of the CCSF, particularly Heidi Lorenz-Wirzba and Edith Huang, for technical assistance, and acknowledge financial support by the National Science Foundation under Grant No. PHY-9021933. Calculations reported here made use of computer facilities operated by the CCSF for the Concurrent Supercomputing Consortium. We are grateful to one of the referees for drawing our attention to [12]. | |||||||||
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| Issue or Number: | 2 | |||||||||
| Classification Code: | PACS 34.80.Bm; 34.80.Gs | |||||||||
| DOI: | 10.1007/BF01426698 | |||||||||
| Record Number: | CaltechAUTHORS:20151028-114738710 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20151028-114738710 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 61670 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 28 Oct 2015 23:00 | |||||||||
| Last Modified: | 10 Nov 2021 22:52 |
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