Sequential multiphoton multiple ionization of atomic argon and xenon irradiated by x-ray free-electron laser pulses from SACLA

K. Motomura, H. Fukuzawa, S. K. Son, S. Mondal, T. Tachibana, Y. Ito, M. Kimura, K. Nagaya, T. Sakai, K. Matsunami, S. Wada, H. Hayashita, J. Kajikawa, X. J. Liu, R. Feifel, P. Johnsson, M. Siano, E. Kukk, B. Rudek, B. ErkL. Foucar, E. Robert, C. Miron, K. Tono, Y. Inubushi, T. Hatsui, M. Yabashi, M. Yao, R. Santra, K. Ueda

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Abstract

We have investigated multiphoton multiple ionization of argon and xenon atoms at 5 keV using a new x-ray free electron laser (XFEL) facility, the SPring-8 Angstrom Compact free electron LAser (SACLA) in Japan. The experimental results are compared with the new theoretical results presented here. The absolute fluence of the XFEL pulse has been determined with the help of the calculations utilizing two-photon processes in the argon atom. The high charge states up to +22 observed for Xe in comparison with the calculations point to the occurrence of sequential L-shell multiphoton absorption and of resonance-enabled x-ray multiple ionization.

Original languageEnglish
Article number164024
JournalJournal of Physics B: Atomic, Molecular and Optical Physics
Volume46
Issue number16
DOIs
Publication statusPublished - 2013 Aug 28

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

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    Motomura, K., Fukuzawa, H., Son, S. K., Mondal, S., Tachibana, T., Ito, Y., Kimura, M., Nagaya, K., Sakai, T., Matsunami, K., Wada, S., Hayashita, H., Kajikawa, J., Liu, X. J., Feifel, R., Johnsson, P., Siano, M., Kukk, E., Rudek, B., ... Ueda, K. (2013). Sequential multiphoton multiple ionization of atomic argon and xenon irradiated by x-ray free-electron laser pulses from SACLA. Journal of Physics B: Atomic, Molecular and Optical Physics, 46(16), [164024]. https://doi.org/10.1088/0953-4075/46/16/164024