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- W2004609491 abstract "view Abstract Citations (15) References (30) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Proton collisional excitation in the lowest-lying 3P terms of ions in the Be and Mg isoelectronic sequences. Landman, D. A. ; Brown, T. Abstract Proton collisional excitation cross sections and rate constants are presented for transitions between the 3P(J) fine-structure levels of the lowest-lying sp configurations in a number of astrophysically important ions belonging to the Be and Mg isoelectronic sequences. The calculations were made by direct integration of the Schroedinger equation resulting from semiclassical Coulomb excitation theory. The cross sections and rate constants for the 3P(J) transitions in the lowest-lying P(2) configurations are expected to be similar to those for the corresponding sp configuration transitions, and this is illustrated for C III. For the high-temperature ion Ca XVII alpha particle excitation is shown to be unimportant for situations involving ordinary values of the He/H abundance ratio. A simple, but apparently accurate method for determining certain radial integrals for low-lying excited configurations is proposed. Publication: The Astrophysical Journal Pub Date: September 1979 DOI: 10.1086/157322 Bibcode: 1979ApJ...232..636L Keywords: Atomic Excitations; Ionic Collisions; Isoelectronic Sequence; Proton Impact; Alpha Particles; Beryllium; Magnesium; Scattering Cross Sections; Transition Probabilities; Astrophysics; Transition Probabilities full text sources ADS |" @default.
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- W2004609491 title "Proton collisional excitation in the lowest lying 3P terms of ions in the Be and MG isoelectronic sequences" @default.
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