Extreme ultraviolet and visible spectroscopy of promethiumlike heavy ions

Yusuke Kobayashi, Kai Kubota, Kazuki Omote, Akihiro Komatsu, Junpei Sakoda, Maki Minoshima, Daiji Kato, Jiguang Li, Hiroyuki A. Sakaue, Izumi Murakami, and Nobuyuki Nakamura
Phys. Rev. A 92, 022510 – Published 24 August 2015

Abstract

We present extreme ultraviolet and visible spectra of promethiumlike tungsten and gold obtained with an electron beam ion trap. Although the contributions from a few charge states are involved in the spectra, the charge state of the ion assigned to the observed lines is definitely identified by the time-of-flight (TOF) analysis of the ions performed at the same time with the spectroscopic measurements. Experimental results are compared with collisional-radiative model calculations as well as previous experimental and theoretical studies. Some ambiguous identifications in the previous observations have been clarified owing to the definite identification by the TOF analysis.

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  • Received 22 July 2015

DOI:https://doi.org/10.1103/PhysRevA.92.022510

©2015 American Physical Society

Authors & Affiliations

Yusuke Kobayashi1, Kai Kubota1, Kazuki Omote1, Akihiro Komatsu1, Junpei Sakoda1, Maki Minoshima1, Daiji Kato2,3, Jiguang Li4, Hiroyuki A. Sakaue2, Izumi Murakami2,3, and Nobuyuki Nakamura1

  • 1Institute for Laser Science, The University of Electro-Communications, Chofu, Tokyo 182-8585, Japan
  • 2National Institute for Fusion Science, Toki, Gifu 509-5292, Japan
  • 3Department of Fusion Science, SOKENDAI (The Graduate University for Advanced Studies), Toki, Gifu 509-5292, Japan
  • 4Institute of Applied Physics and Computational Mathematics, Beijing 100088, China

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Issue

Vol. 92, Iss. 2 — August 2015

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