Dissociative electron attachment to carbon dioxide via the shape resonance
Abstract
Momentum imaging measurements from two experiments are presented and interpreted with the aid of ab initio theoretical calculations to describe the dissociative electron attachment (DEA) dynamics of CO2. The dynamics of the transient negative ions of CO-2 involve several conical intersections taking part in mechanisms that have only recently been understood. We address the problem of how the 4-eV 2Πu shape resonance in CO2 proceeds to dissociate to CO(1Σ+) + O-(2P) by DEA.
- Authors:
-
- Auburn Univ., AL (United States)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of California, Davis, CA (United States). Nanomaterials in the Environment, Agriculture, and Technology Organized Research Unit (NEAT ORU),
- Temple Univ., Philadelphia, PA (United States)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22), Chemical Sciences, Geosciences & Biosciences Division (SC-22.1)
- OSTI Identifier:
- 1511370
- Grant/Contract Number:
- AC02-05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review A - Atomic, Molecular, and Optical Physics
- Additional Journal Information:
- Journal Volume: 88; Journal Issue: 3; Journal ID: ISSN 1050-2947
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 74 ATOMIC AND MOLECULAR PHYSICS
Citation Formats
Moradmand, A., Slaughter, D. S., Haxton, D. J., Rescigno, T. N., McCurdy, C. W., Weber, Th., Matsika, S., Landers, A. L., Belkacem, A., and Fogle, M. Dissociative electron attachment to carbon dioxide via the 2Πu shape resonance. United States: N. p., 2013.
Web. doi:10.1103/PhysRevA.88.032703.
Moradmand, A., Slaughter, D. S., Haxton, D. J., Rescigno, T. N., McCurdy, C. W., Weber, Th., Matsika, S., Landers, A. L., Belkacem, A., & Fogle, M. Dissociative electron attachment to carbon dioxide via the 2Πu shape resonance. United States. https://doi.org/10.1103/PhysRevA.88.032703
Moradmand, A., Slaughter, D. S., Haxton, D. J., Rescigno, T. N., McCurdy, C. W., Weber, Th., Matsika, S., Landers, A. L., Belkacem, A., and Fogle, M. Wed .
"Dissociative electron attachment to carbon dioxide via the 2Πu shape resonance". United States. https://doi.org/10.1103/PhysRevA.88.032703. https://www.osti.gov/servlets/purl/1511370.
@article{osti_1511370,
title = {Dissociative electron attachment to carbon dioxide via the 2Πu shape resonance},
author = {Moradmand, A. and Slaughter, D. S. and Haxton, D. J. and Rescigno, T. N. and McCurdy, C. W. and Weber, Th. and Matsika, S. and Landers, A. L. and Belkacem, A. and Fogle, M.},
abstractNote = {Momentum imaging measurements from two experiments are presented and interpreted with the aid of ab initio theoretical calculations to describe the dissociative electron attachment (DEA) dynamics of CO2. The dynamics of the transient negative ions of CO-2 involve several conical intersections taking part in mechanisms that have only recently been understood. We address the problem of how the 4-eV 2Πu shape resonance in CO2 proceeds to dissociate to CO(1Σ+) + O-(2P) by DEA.},
doi = {10.1103/PhysRevA.88.032703},
journal = {Physical Review A - Atomic, Molecular, and Optical Physics},
number = 3,
volume = 88,
place = {United States},
year = {Wed Sep 11 00:00:00 EDT 2013},
month = {Wed Sep 11 00:00:00 EDT 2013}
}
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Figures / Tables:
FIG. 1: (color online). Laboratory-frame O− momentum distribution following DEA to CO2 at 4.1 eV nominal electron beam energy (a), 4.6 eV (c), measured using the LBNL apparatus. The 4.4 eV data (b) was measured using the Auburn apparatus on a colder CO2 target that is better spatially confined, resultingmore »
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Works referencing / citing this record:
Complex absorbing potentials within EOM-CC family of methods: Theory, implementation, and benchmarks
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Probing the molecular structure and properties of neutral and anionic ground states of SO2 and CO2
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Figures / Tables found in this record:
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