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Measurement of the electron affinity of praseodymium

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Published 19 December 2001 • Published under licence by IOP Publishing Ltd
, , Citation V T Davis and J S Thompson 2002 J. Phys. B: At. Mol. Opt. Phys. 35 L11 DOI 10.1088/0953-4075/35/1/102

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Author affiliations

1 Department of Physics, United States Military Academy, West Point, NY 10996, USA

2 Department of Physics and Chemical Physics Program, University of Nevada, Reno, NV 89557-0058, USA

Dates

  1. Received 13 September 2001
  2. Published

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0953-4075/35/1/L11

Abstract

The electron affinity (EA) of praseodymium (Pr) has been measured using laser photodetachment electron spectroscopy. The EA of Pr(4I9/2) was determined to be 0.962±0.024 eV. The data also show that Pr- has at least one bound excited state with a binding energy of 0.866±0.018 eV relative to the ground state of the Pr atom. The present experimental measurements are compared to a recent calculation of the electronic structure of Pr-.

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10.1088/0953-4075/35/1/102