Sextet levels in the phosphorus-like ion Cu

E. Träbert; S. Fritzsche; C. Jupén

doi:10.1007/s100530050144

EPJ

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2024 Impact factor 1.5

Atomic, Molecular, Optical and Plasma Physics

Eur. Phys. J. D 3, 13-20 (1998)
https://doi.org/10.1007/s100530050144

Sextet levels in the phosphorus-like ion Cu $\sf ^{14+}$

E. Träbert¹^a, S. Fritzsche² and C. Jupén³

¹ Experimentalphysik III, Ruhr-Universität Bochum, 44780 Bochum, Germany
² Fachbereich Physik, Universität Kassel, 34132 Kassel, Germany
³ Fysiska Institutionen, University of Lund, 22362 Lund, Sweden

Corresponding author: ^a traebert@EP3.ruhr-uni-bochum.de

Received: 14 April 1998
Accepted: 18 April 1998
Published online: 15 July 1998

Abstract

Delayed spectra of foil-excited fast Cu ions have been studied to find a number of $3s3p^4$ , $3s^23p^23d$ and $3s3p^33d$ levels in the P-like ion Cu¹⁴⁺ (spectrum Cu XV). Among these are $3s3p^33d ^6 D$ levels, which have never been observed before, although they are the lowest excited states that have the same parity as the ground configuration. The investigation combined theory and experiment. The calculations used the Cowan code with semi-empirically scaled parameters and extensive MCDF computations.