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Phys. Rev. A 70, 040702(R) (2004) [4 pages]

Photoelectron recapture as a tool for the spectroscopy of ionic Rydberg states

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A. De Fanis1, G. Prümper2, U. Hergenhahn2,3, M. Oura4, M. Kitajima5, T. Tanaka5, H. Tanaka5, S. Fritzsche6, N. M. Kabachnik7,*, and K. Ueda2,†
1Japan Synchrotron Radiation Research Institute, Sayo-gun, Hyogo 679-5198, Japan
2Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan
3Max-Planck-Institut für Plasmaphysik EURATOM Association, Boltzmannstraße 2, D-85748 Garching, Germany
4RIKEN, Spring-8 Sayo-gun, Hyogo 679-5198, Japan
5Department of Physics, Sophia University, Tokyo 102-8554, Japan
6Fachbereich Physik, Universität Kassel, D-34132 Kassel, Germany
7Fakultät für Physik, Universität Bielefeld, D-33615 Bielefeld, Germany

Received 8 April 2004; published 28 October 2004

We use recapture of near-threshold photoelectrons by postcollision interaction with Auger electrons as an effective method for population of the high-Rydberg states of subvalence ionized Ne ions. The subsequent intermultiplet Auger transitions are detected by high-resolution electron spectrometry. The series of transitions 2p4(1D)np 2D,2F→2p4 3P up to n=20 are observed and identified with the help of multiconfiguration Dirac–Fock ab initio calculations.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.70.040702
DOI:
10.1103/PhysRevA.70.040702
PACS:
32.80.Fb, 32.80.Dz

*On leave from Institute of Nuclear Physics, Moscow State University, Moscow 119899, Russia.

†Electronic address: ueda@tagen.tohoku.ac.jp

 
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