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Phys. Rev. A 63, 014704 (2000) [4 pages]

Photoionization of Ne3+ ions in the region of the 1s⃗2p autoionizing resonance

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M. Oura1, H. Yamaoka1, K. Kawatsura2, J. Kimata3, T. Hayaishi3, T. Takahashi4, T. Koizumi4, T. Sekioka5, M. Terasawa5, Y. Itoh6, Y. Awaya7, A. Yokoya8, A. Agui8, A. Yoshigoe8, and Y. Saitoh8
1Harima Institute, RIKEN (The Institute of Physical and Chemical Research), 1-1-1 Kouto, Mikazuki-cho, Sayo-gun, Hyogo 679-5148, Japan
2Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
3Institute of Applied Physics, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan
4Department of Physics, Rikkyo University, Toshima-ku, Tokyo 171-8501, Japan
5Faculty of Engineering, Himeji Institute of Technology, Himeji, Hyogo 671-2201, Japan
6Physics Laboratory, Josai University, Sakado, Saitama 350-0295, Japan
7Musashino Art University, Kodaira, Tokyo 187-8505, Japan
8Synchrotron Radiation Research Center, Japan Atomic Energy Research Institute (JAERI), 1-1-1 Kouto, Mikazuki-cho, Sayo-gun, Hyogo 679-5148, Japan

Received 5 June 2000; revised 8 September 2000; published 13 December 2000

Photoion yields of Ne4+ from Ne3+ ions were successfully measured in the region of the 1s⃗2p autoionizing resonance by a photon-ion merged-beam technique. A broad structure centered at 864.5 eV, which is composed of several transitions, was observed in the photoion-yield spectrum. The spectrum was analyzed with the results of multiconfiguration Dirac-Fock calculations. The calculations revealed that the lines contained in the broad structure can be attributed to possible transitions from the 2s22p34S3/2, 2D3/2, and 2D5/2 initial levels. The calculated spectrum satisfactorily shows an overall agreement with the experimental one.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.63.014704
DOI:
10.1103/PhysRevA.63.014704
PACS:
32.80.Fb, 32.80.Hd
 
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