Differential and integrated cross sections for excitation to the 3s, 3p, and 3d states of atomic hydrogen by electron impact below the n=4 threshold

P. Bartlett; J. Williams; I. Bray; A. Mikosza; A. Stelbovics

doi:10.1103/PhysRevA.74.022714

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Differential and integrated cross sections for excitation to the 3s, 3p, and 3d states of atomic hydrogen by electron impact below the n=4 threshold

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Differential and integrated cross sections for excitation to the 3s, 3p, and 3d states of atomic hydrogen by electron impact below the n=4 threshold

P. Bartlett, J. Williams, I. Bray, A. Mikosza and A. Stelbovics

Physical Review A - Atomic, Molecular, and Optical Physics, Vol.74(2)

2006

DOI: https://doi.org/10.1103/PhysRevA.74.022714

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Abstract

Integrated cross sections for the electron-impact excitation of ground-state hydrogen to the 3s, 3p, and 3d final states have been calculated using propagating exterior complex scaling and convergent close-coupling methods at energies between the n=3 and 4 excitation thresholds. The calculations are in excellent agreement and demonstrate that exterior complex scaling methods can accurately reproduce the resonance structure and magnitude of the excitation cross sections below the ionization threshold. Measurements of the separate 3s, 3p, and 3d differential cross sections were made at 12.24 eV, and are consistent with both calculations within a total experimental uncertainty of about 35%.

Details

Title: Differential and integrated cross sections for excitation to the 3s, 3p, and 3d states of atomic hydrogen by electron impact below the n=4 threshold
Authors/Creators: P. Bartlett (Author/Creator) - Murdoch University
J. Williams (Author/Creator) - The University of Western Australia
I. Bray (Author/Creator) - Murdoch University
A. Mikosza (Author/Creator) - The University of Western Australia
A. Stelbovics (Author/Creator) - Murdoch University
Publication Details: Physical Review A - Atomic, Molecular, and Optical Physics, Vol.74(2)
Publisher: The American Physical Society
Identifiers: 991005544522507891
Copyright: © 2006 The American Physical Society
Murdoch Affiliation: Murdoch University
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 2 Chemistry; 2.15 Physical Chemistry; 2.15.664 Dissociative Electron Attachment
Web Of Science research areas: Optics; Physics, Atomic, Molecular & Chemical
ESI research areas: Physics