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Deep Inner-Shell Multiphoton Ionization by Intense X-Ray Free-Electron Laser Pulses

Fukuzawa, H. ; Son, S. -K. ; Motomura, K. ; Mondal, S. ; Nagaya, K. ; Wada, S. ; Liu, X. -J. ; Feifel, R. ; Tachibana, T. and Ito, Y. , et al. (2013) In Physical Review Letters 110(17).
Abstract
We have investigated multiphoton multiple ionization dynamics of xenon atoms using a new x-ray free-electron laser facility, SPring-8 Angstrom Compact free electron LAser (SACLA) in Japan, and identified that Xen+ with n up to 26 is produced at a photon energy of 5.5 keV. The observed high charge states (n >= 24) are produced via five-photon absorption, evidencing the occurrence of multiphoton absorption involving deep inner shells. A newly developed theoretical model, which shows good agreement with the experiment, elucidates the complex pathways of sequential electronic decay cascades accessible in heavy atoms. The present study of heavy-atom ionization dynamics in high-intensity hard-x-ray pulses makes a step forward towards... (More)
We have investigated multiphoton multiple ionization dynamics of xenon atoms using a new x-ray free-electron laser facility, SPring-8 Angstrom Compact free electron LAser (SACLA) in Japan, and identified that Xen+ with n up to 26 is produced at a photon energy of 5.5 keV. The observed high charge states (n >= 24) are produced via five-photon absorption, evidencing the occurrence of multiphoton absorption involving deep inner shells. A newly developed theoretical model, which shows good agreement with the experiment, elucidates the complex pathways of sequential electronic decay cascades accessible in heavy atoms. The present study of heavy-atom ionization dynamics in high-intensity hard-x-ray pulses makes a step forward towards molecular structure determination with x-ray free-electron lasers. DOI: 10.1103/PhysRevLett.110.173005 (Less)
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Physical Review Letters
volume
110
issue
17
article number
173005
publisher
American Physical Society
external identifiers
  • wos:000318212800009
  • scopus:84876994476
  • pmid:23679721
ISSN
1079-7114
DOI
10.1103/PhysRevLett.110.173005
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English
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@article{90709c20-0f81-4fa3-a21b-c1a8f3e75bdb,
  abstract     = {We have investigated multiphoton multiple ionization dynamics of xenon atoms using a new x-ray free-electron laser facility, SPring-8 Angstrom Compact free electron LAser (SACLA) in Japan, and identified that Xen+ with n up to 26 is produced at a photon energy of 5.5 keV. The observed high charge states (n >= 24) are produced via five-photon absorption, evidencing the occurrence of multiphoton absorption involving deep inner shells. A newly developed theoretical model, which shows good agreement with the experiment, elucidates the complex pathways of sequential electronic decay cascades accessible in heavy atoms. The present study of heavy-atom ionization dynamics in high-intensity hard-x-ray pulses makes a step forward towards molecular structure determination with x-ray free-electron lasers. DOI: 10.1103/PhysRevLett.110.173005},
  author       = {Fukuzawa, H. and Son, S. -K. and Motomura, K. and Mondal, S. and Nagaya, K. and Wada, S. and Liu, X. -J. and Feifel, R. and Tachibana, T. and Ito, Y. and Kimura, M. and Sakai, T. and Matsunami, K. and Hayashita, H. and Kajikawa, J. and Johnsson, Per and Siano, M. and Kukk, E. and Rudek, B. and Erk, B. and Foucar, L. and Robert, E. and Miron, C. and Tono, K. and Inubushi, Y. and Hatsui, T. and Yabashi, M. and Yao, M. and Santra, R. and Ueda, K.},
  issn         = {1079-7114},
  language     = {eng},
  number       = {17},
  publisher    = {American Physical Society},
  series       = {Physical Review Letters},
  title        = {Deep Inner-Shell Multiphoton Ionization by Intense X-Ray Free-Electron Laser Pulses},
  url          = {http://dx.doi.org/10.1103/PhysRevLett.110.173005},
  doi          = {10.1103/PhysRevLett.110.173005},
  volume       = {110},
  year         = {2013},
}