Visible transitions in Ag-like and Cd-like lanthanide ions

Shunichi Murata, Takayuki Nakajima, Marianna S. Safronova, Ulyana I. Safronova, and Nobuyuki Nakamura
Phys. Rev. A 96, 062506 – Published 15 December 2017

Abstract

We present visible spectra of Ag-like (4d104f) and Cd-like (4d104f2) ions of Ho (atomic number Z=67), Er (68), and Tm (69) observed with a compact electron beam ion trap. For Ag-like ions, prominent emission corresponding to the M1 transitions between the ground state fine-structure splitting 4f5/24f7/2 is identified. For Cd-like ions, several M1 transitions in the ground state configuration are identified. The transition wavelength and the transition probability are calculated with the relativistic many-body perturbation theory and the relativistic CI + all-order approach. Comparisons between the experiments and the calculations show good agreement.

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  • Received 5 November 2017

DOI:https://doi.org/10.1103/PhysRevA.96.062506

©2017 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Shunichi Murata1, Takayuki Nakajima1, Marianna S. Safronova2,3, Ulyana I. Safronova4, and Nobuyuki Nakamura1

  • 1Institute for Laser Science, The University of Electro-Communications, Tokyo 182-8585, Japan
  • 2The University of Delaware, Newark, Delaware 19716, USA
  • 3Joint Quantum Institute, NIST and the University of Maryland, College Park, Maryland 20742, USA
  • 4The University of Nevada, Reno, Nevada 89557, USA

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Issue

Vol. 96, Iss. 6 — December 2017

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