Oscillator Strengths for Ultraviolet Transitions in P II

Abstract

We report lifetimes, branching fractions, and the resulting oscillator strengths for transitions within the P II multiplet (3s^23p^2 ^3P - 3s^23p4s ^3P^o) at 1154 A. These beam-foil measurements represent the most comprehensive and precise set currently available experimentally. Comparison with earlier experimental and theoretical results is very good. Since Morton's most recent compilation is based on the earlier body of results, phosphorus abundances for interstellar material in our Galaxy and beyond derived from lambda 1154 do not require any revision.

arXiv comment10 pages, 2 figures; to be published in ApJ

References in corpus (3)

• New Observations of the Interstellar Medium in the Lyman Break Galaxy MS 1512-cB58
• Molecular hydrogen, deuterium and metal abundances in the damped Ly-alpha system at z = 3.025 toward QSO 0347-3819
• UVES observations of QSO 0000-2620: Argon and Phosphorus abundances in the dust-free damped Ly-alpha system at zabs = 3.3901

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• Oscillator Strengths for Ultraviolet Transitions in P II -The Multiplet at 1308 Å
• A Reexamination of Phosphorus and Chlorine Depletions in the Diffuse Interstellar Medium
• Absorption line abundances in the SMC-like galaxy UGC 5282: evidence for ISM dilution from inflows on kiloparsec scales
• Experimental and Semi-Empirical Branching Fractions of the 3s(2)3p(2)-3s3p(3) J=2 Transition Array in P II