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Collisions of electrons with interstellar grains

Flower, D R

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We have computed cross-sections for elastic and inelastic scattering of electrons on small grains at low-collision energies. Significant differences are again found between the results obtained in the presence and the absence of a ‘permanent’ grain dipole moment. In addition to spherical grains, scattering on ellipsoidal grains is investigated. We conclude that the rate of electron attachment to interstellar grains may be substantially lower in regions of molecular clouds from which the radiation field is excluded, and where the grains are less likely to possess a dipole moment.


Flower, D. R. (2024). Collisions of electrons with interstellar grains. Monthly Notices of the Royal Astronomical Society, 529(4), 3284-3288.

Journal Article Type Article
Acceptance Date Feb 29, 2024
Online Publication Date Mar 6, 2024
Publication Date 2024-04
Deposit Date May 15, 2024
Publicly Available Date May 15, 2024
Journal Monthly Notices of the Royal Astronomical Society
Print ISSN 0035-8711
Electronic ISSN 1365-2966
Publisher Royal Astronomical Society
Peer Reviewed Peer Reviewed
Volume 529
Issue 4
Pages 3284-3288
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Copyright Statement
© 2024 The Author(s).
Published by Oxford University Press on behalf of Royal Astronomical Society. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted reuse, distribution, and reproduction in any medium,
provided the original work is properly cited.

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