DOI: 10.1063/1.1701596. Low-Energy, Large-Angle Electron-Impact Spectra: Helium, Nitrogen, Ethylene, and Benzene

Low-Energy, Large-Angle Electron-Impact Spectra: Helium, Nitrogen, Ethylene, and Benzene

10.1063/1.1701596

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

Electron-impact spectra taken at a fixed scattering angle of 90° and a variety of energies from 10 to 40 eV are reported for helium, nitrogen, ethylene, and benzene. Forbidden singlet—triplet transitions were observed in all the systems studied at all energies. In all cases, the scattering cross sections for various transitions undergo large relative changes near threshold. We find that singlet—triplet transitions become a very important part of the total inelastic scattering cross section below 20 eV. In helium, the spectrum changes radically near threshold. In nitrogen, singlet—triplet transitions dominate the spectrum at energies less than 20 eV. Previous results on the presence of a singlet—triplet transition in ethylene at 4.4 eV have been confirmed. The 6.5-eV ethylene ``mystery band'' transition was not observed at energies at low as 10.9 eV. In benzene, the lowest triplet state is observed near 3.9 eV as well as the three lowest singlet states. The general utility of the very large angle scattering method is discussed.

Bibliography

Doering, J. P., & Williams, A. J. (1967). Low-Energy, Large-Angle Electron-Impact Spectra: Helium, Nitrogen, Ethylene, and Benzene. The Journal of Chemical Physics, 47(10), 4180â4185.

Authors 2

John P. Doering (first)
Albert J. Williams (additional)

References 21 Referenced 37

10.1063/1.1840510 / J. Chem. Phys. (1967)
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10.1063/1.1719282 / Rev. Sci. Instr. (1964)
10.1063/1.1720492 / Rev. Sci. Instr. (1967)
10.1103/PhysRev.138.A385 / Phys. Rev. (1965)
10.1103/PhysRev.150.76 / Phys. Rev. (1966)
{'key': '2023062022374128600_r7', 'first-page': '337', 'volume': '15', 'year': '1965', 'journal-title': 'Phys. Rev. Letters'} / Phys. Rev. Letters (1965)
10.1063/1.1725307 / J. Chem. Phys. (1964)
10.1063/1.1726469 / J. Chem. Phys. (1966)
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10.1063/1.1733035 / J. Chem. Phys. (1962)
{'key': '2023062022374128600_r14', 'first-page': '1606', 'volume': '39', 'year': '1963', 'journal-title': 'J. Chem. Phys.'} / J. Chem. Phys. (1963)
10.1063/1.1840791 / J. Chem. Phys. (1967)
10.1063/1.1726685 / J. Chem. Phys. (1966)
{'key': '2023062022374128600_r17'}
10.1063/1.1695990 / J. Chem. Phys. (1965)
10.1063/1.1727972 / J. Chem. Phys. (1966)
10.1063/1.1695705 / J. Chem. Phys. (1965)
{'key': '2023062022374128600_r21'}

Dates

Type	When
Created	20 years, 7 months ago (Jan. 9, 2005, 4:57 a.m.)
Deposited	2 years, 2 months ago (June 21, 2023, 2:20 a.m.)
Indexed	1 year, 6 months ago (Feb. 10, 2024, 11:44 a.m.)
Issued	57 years, 9 months ago (Nov. 15, 1967)
Published	57 years, 9 months ago (Nov. 15, 1967)
Published Online	21 years, 3 months ago (May 3, 2004)
Published Print	57 years, 9 months ago (Nov. 15, 1967)

Funders 0

None

BibTeX

@article{Doering_1967, title={Low-Energy, Large-Angle Electron-Impact Spectra: Helium, Nitrogen, Ethylene, and Benzene}, volume={47}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1701596}, DOI={10.1063/1.1701596}, number={10}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Doering, John P. and Williams, Albert J.}, year={1967}, month=nov, pages={4180–4185} }

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