We report results from measurements for differential and integral cross sections of the unresolved 1B1u and 3E2g electronic states and the 1E1u electronic state in benzene. The energy range of this work was 10–200 eV, while the angular range of the differential cross sections was ∼3°–130°. To the best of our knowledge there are no other corresponding theoretical or experimental data against which we can compare the present results. A generalized oscillator strength analysis was applied to our 100 and 200 eV differential cross section data, for both the 1B1u and 1E1u states, with optical oscillator strengths being derived in each case. The respective optical oscillator strengths were found to be consistent with many, but not all, of the earlier theoretical and experimental determinations. Finally, we present theoretical integral cross sections for both the 1B1u and 1E1u electronic states, as calculated within the BEf-scaling formalism, and compare them against relevant results from our measurements. From that comparison, an integral cross section for the optically forbidden 3E2g state is also derived.
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7 April 2011
Research Article|
April 07 2011
A study of electron scattering from benzene: Excitation of the 1B1u, 3E2g, and 1E1u electronic states
Hidetoshi Kato;
Hidetoshi Kato
1Department of Physics,
Sophia University
, Chiyoda-ku, Tokyo 102-8554, Japan
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Masamitsu Hoshino;
Masamitsu Hoshino
1Department of Physics,
Sophia University
, Chiyoda-ku, Tokyo 102-8554, Japan
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Hiroshi Tanaka;
Hiroshi Tanaka
1Department of Physics,
Sophia University
, Chiyoda-ku, Tokyo 102-8554, Japan
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Paulo Limão-Vieira;
Paulo Limão-Vieira
2
Laboratório de Colisões Atómicas e Moleculares
, CEFITEC, Departamento de Física, FCT, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
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Oddur Ingólfsson;
Oddur Ingólfsson
3Department of Chemistry, Science Institute,
University of Iceland
, 107 Reykjavík, Iceland
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Laurence Campbell;
Laurence Campbell
4ARC Centre for Antimatter-Matter Studies, School of Chemical and Physical Sciences,
Flinders University
, GPO Box 2100, Adelaide, SA 5001, Australia
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Michael J. Brunger
Michael J. Brunger
a)
5Institute of Mathematical Sciences,
University of Malaya
, Kuala Lumpur 50603, Malaysia
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Hidetoshi Kato
1
Masamitsu Hoshino
1
Hiroshi Tanaka
1
Paulo Limão-Vieira
2
Oddur Ingólfsson
3
Laurence Campbell
4
Michael J. Brunger
5,a)
1Department of Physics,
Sophia University
, Chiyoda-ku, Tokyo 102-8554, Japan
2
Laboratório de Colisões Atómicas e Moleculares
, CEFITEC, Departamento de Física, FCT, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
3Department of Chemistry, Science Institute,
University of Iceland
, 107 Reykjavík, Iceland
4ARC Centre for Antimatter-Matter Studies, School of Chemical and Physical Sciences,
Flinders University
, GPO Box 2100, Adelaide, SA 5001, Australia
5Institute of Mathematical Sciences,
University of Malaya
, Kuala Lumpur 50603, Malaysia
a)
Electronic mail: [email protected]. Permanent address: ARC Centre for Antimatter-Matter Studies, School of Chemical and Physical Sciences, Flinders University, GPO Box 2100, Adelaide, SA 5001, Australia.
J. Chem. Phys. 134, 134308 (2011)
Article history
Received:
February 17 2011
Accepted:
March 21 2011
Citation
Hidetoshi Kato, Masamitsu Hoshino, Hiroshi Tanaka, Paulo Limão-Vieira, Oddur Ingólfsson, Laurence Campbell, Michael J. Brunger; A study of electron scattering from benzene: Excitation of the 1B1u, 3E2g, and 1E1u electronic states. J. Chem. Phys. 7 April 2011; 134 (13): 134308. https://doi.org/10.1063/1.3575497
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