Photon–Atom Interactions: Intermediate Energies

Handbook (chapter)

Bromley, Michael W. J.. 2023. "Photon–Atom Interactions: Intermediate Energies." Drake, Gordon W. F. (ed.) Springer Handbook of Atomic, Molecular, and Optical Physics. Switzerland . Springer Science and Business Media Deutschland GmbH. pp. 967–979
Chapter Title

Photon–Atom Interactions: Intermediate Energies

Book Chapter CategoryHandbook (chapter)
Book TitleSpringer Handbook of Atomic, Molecular, and Optical Physics
AuthorsBromley, Michael W. J.
EditorsDrake, Gordon W. F.
Page Range967–979
Number of Pages13
PublisherSpringer Science and Business Media Deutschland GmbH
Place of PublicationSwitzerland
Digital Object Identifier (DOI)
Web Address (URL)
AbstractThis chapter provides an overview of our understanding of photon–atom interactions involving soft x-rays, hard x-rays, and gamma-rays with “intermediate” photon energies roughly between 1 keV to 1 MeV (37 a.u. to 37 × 103 a.u.). These energies correspond to wavelengths of 1.2 nm to 1.2 pm, where the electronic shell structure of a multielectron atom can be probed, and resonant excitations and deexcitations can be important. Here, we will emphasize the cross sections of various processes, which are independent of the intensity of the incoming electromagnetic field. We explore elastic Rayleigh scattering and inelastic scattering, including photoionization, Auger, Raman, and Compton processes. We describe various experimental methods, Monte Carlo approaches and other applications of the sets of atomic data, all spanning the intermediate energy range.
Keywordsabsorption; photon ; x-ray; scattering; cross section ; absorption; hard ; soft; keV; MeV
ANZSRC Field of Research 20205102. Atomic, molecular and optical physics
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Byline AffiliationsUniversity of Southern Queensland
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