Three-Electron Interatomic Coulombic Decay from the Inner-Valence Double-Vacancy States in NeAr

T. Ouchi, K. Sakai, H. Fukuzawa, X.-J. Liu, I. Higuchi, Y. Tamenori, K. Nagaya, H. Iwayama, M. Yao, D. Zhang, D. Ding, A. I. Kuleff, S. D. Stoychev, Ph. V. Demekhin, N. Saito, and K. Ueda
Phys. Rev. Lett. 107, 053401 – Published 26 July 2011

Abstract

We have unambiguously identified interatomic Coulombic decay in NeAr from the inner-valence double-vacancy state NeAr2+(3s2) to outer-valence triple-vacancy states Ne+(2p1)Ar2+(3p2) by momentum-resolved electron-ion multicoincidence. This is the first observation of interatomic Coulombic decay where three electrons (3e) participate. The results suggest that this 3e interatomic Coulombic decay is significantly faster than other competing processes like fluorescence decay and charge transfer via curve crossing.

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  • Received 16 December 2010

DOI:https://doi.org/10.1103/PhysRevLett.107.053401

© 2011 American Physical Society

Authors & Affiliations

T. Ouchi1, K. Sakai1, H. Fukuzawa1, X.-J. Liu1, I. Higuchi2, Y. Tamenori2, K. Nagaya3, H. Iwayama3, M. Yao3, D. Zhang4, D. Ding4, A. I. Kuleff5, S. D. Stoychev5, Ph. V. Demekhin5, N. Saito6, and K. Ueda1,*

  • 1Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan
  • 2Japan Synchrotron Radiation Research Institute, Sayo, Hyogo 679-5198, Japan
  • 3Department of Physics, Kyoto University, 606-8502 Kyoto, Japan
  • 4Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012, China
  • 5Theoretische Chemie, PCI, Universität Heidelberg, D-69120 Heidelberg, Germany
  • 6National Institute of Advanced Industrial Science and Technology, NMIJ, Tsukuba 305-8568, Japan

  • *ueda@tagen.tohoku.ac.jp

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Issue

Vol. 107, Iss. 5 — 29 July 2011

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