Three-photon double ionization of Ar studied by photoelectron spectroscopy using an extreme ultraviolet free-electron laser: Manifestation of resonance states of an intermediate Ar+ ion

N. Miyauchi; J. Adachi; A. Yagishita; T. Sako; F. Koike; T. Sato; A. Iwasaki; T. Okino; K. Yamanouchi; K. Midorikawa; K. Yamakawa; F. Kannari; H. Nakano; M. Nagasono; K. Tono; M. Yabashi; T. Ishikawa; T. Togashi; H. Ohashi; H. Kimura; Y. Senba

doi:10.1088/0953-4075/44/7/071001

Three-photon double ionization of Ar studied by photoelectron spectroscopy using an extreme ultraviolet free-electron laser: Manifestation of resonance states of an intermediate Ar⁺ ion

N. Miyauchi
, J. Adachi
, A. Yagishita
, T. Sako
, F. Koike
, T. Sato
, A. Iwasaki
, T. Okino
, K. Yamanouchi
, K. Midorikawa
, K. Yamakawa
, F. Kannari
, H. Nakano
, M. Nagasono
, K. Tono
, M. Yabashi
, T. Ishikawa
, T. Togashi
, H. Ohashi
, H. Kimura

Y. Senba

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

Three-photon double ionization of an Ar atom has been investigated by photoelectron spectroscopy using an extreme ultraviolet free-electron laser. When the photon energy of the laser has been tuned to the resonances of the intermediate Ar⁺ ion, photoelectron peaks due to the resonant two-photon single ionization of the Ar⁺ ion have been observed. And it has been revealed that the appearance of the peaks is controlled by the mixing ratios of 3p⁴ core-configurations of the multi-configuration states. Furthermore, it has been shown that the laser intensity dependence of the Ar²⁺ ion production rate due to the resonant two-photon single ionization strongly deviates from that expected by perturbation theory.

Original language	English
Article number	071001
Journal	Journal of Physics B: Atomic, Molecular and Optical Physics
Volume	44
Issue number	7
DOIs	https://doi.org/10.1088/0953-4075/44/7/071001
Publication status	Published - 2011 Apr 14
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Condensed Matter Physics

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10.1088/0953-4075/44/7/071001

Cite this

Miyauchi, N., Adachi, J., Yagishita, A., Sako, T., Koike, F., Sato, T., Iwasaki, A., Okino, T., Yamanouchi, K., Midorikawa, K., Yamakawa, K., Kannari, F., Nakano, H., Nagasono, M., Tono, K., Yabashi, M., Ishikawa, T., Togashi, T., Ohashi, H., ... Senba, Y. (2011). Three-photon double ionization of Ar studied by photoelectron spectroscopy using an extreme ultraviolet free-electron laser: Manifestation of resonance states of an intermediate Ar⁺ ion. Journal of Physics B: Atomic, Molecular and Optical Physics, 44(7), Article 071001. https://doi.org/10.1088/0953-4075/44/7/071001

Three-photon double ionization of Ar studied by photoelectron spectroscopy using an extreme ultraviolet free-electron laser: Manifestation of resonance states of an intermediate Ar⁺ ion. / Miyauchi, N.; Adachi, J.; Yagishita, A. et al.
In: Journal of Physics B: Atomic, Molecular and Optical Physics, Vol. 44, No. 7, 071001, 14.04.2011.

Research output: Contribution to journal › Article › peer-review

Miyauchi, N, Adachi, J, Yagishita, A, Sako, T, Koike, F, Sato, T, Iwasaki, A, Okino, T, Yamanouchi, K, Midorikawa, K, Yamakawa, K, Kannari, F, Nakano, H, Nagasono, M, Tono, K, Yabashi, M, Ishikawa, T, Togashi, T, Ohashi, H, Kimura, H & Senba, Y 2011, 'Three-photon double ionization of Ar studied by photoelectron spectroscopy using an extreme ultraviolet free-electron laser: Manifestation of resonance states of an intermediate Ar⁺ ion', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 44, no. 7, 071001. https://doi.org/10.1088/0953-4075/44/7/071001

Miyauchi N, Adachi J, Yagishita A, Sako T, Koike F, Sato T et al. Three-photon double ionization of Ar studied by photoelectron spectroscopy using an extreme ultraviolet free-electron laser: Manifestation of resonance states of an intermediate Ar⁺ ion. Journal of Physics B: Atomic, Molecular and Optical Physics. 2011 Apr 14;44(7):071001. doi: 10.1088/0953-4075/44/7/071001

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abstract = "Three-photon double ionization of an Ar atom has been investigated by photoelectron spectroscopy using an extreme ultraviolet free-electron laser. When the photon energy of the laser has been tuned to the resonances of the intermediate Ar+ ion, photoelectron peaks due to the resonant two-photon single ionization of the Ar+ ion have been observed. And it has been revealed that the appearance of the peaks is controlled by the mixing ratios of 3p4 core-configurations of the multi-configuration states. Furthermore, it has been shown that the laser intensity dependence of the Ar2+ ion production rate due to the resonant two-photon single ionization strongly deviates from that expected by perturbation theory.",

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AU - Yagishita, A.

AU - Sako, T.

AU - Koike, F.

AU - Sato, T.

AU - Iwasaki, A.

AU - Okino, T.

AU - Yamanouchi, K.

AU - Midorikawa, K.

AU - Yamakawa, K.

AU - Kannari, F.

AU - Nakano, H.

AU - Nagasono, M.

AU - Tono, K.

AU - Yabashi, M.

AU - Ishikawa, T.

AU - Togashi, T.

AU - Ohashi, H.

AU - Kimura, H.

AU - Senba, Y.

PY - 2011/4/14

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N2 - Three-photon double ionization of an Ar atom has been investigated by photoelectron spectroscopy using an extreme ultraviolet free-electron laser. When the photon energy of the laser has been tuned to the resonances of the intermediate Ar+ ion, photoelectron peaks due to the resonant two-photon single ionization of the Ar+ ion have been observed. And it has been revealed that the appearance of the peaks is controlled by the mixing ratios of 3p4 core-configurations of the multi-configuration states. Furthermore, it has been shown that the laser intensity dependence of the Ar2+ ion production rate due to the resonant two-photon single ionization strongly deviates from that expected by perturbation theory.

AB - Three-photon double ionization of an Ar atom has been investigated by photoelectron spectroscopy using an extreme ultraviolet free-electron laser. When the photon energy of the laser has been tuned to the resonances of the intermediate Ar+ ion, photoelectron peaks due to the resonant two-photon single ionization of the Ar+ ion have been observed. And it has been revealed that the appearance of the peaks is controlled by the mixing ratios of 3p4 core-configurations of the multi-configuration states. Furthermore, it has been shown that the laser intensity dependence of the Ar2+ ion production rate due to the resonant two-photon single ionization strongly deviates from that expected by perturbation theory.

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Three-photon double ionization of Ar studied by photoelectron spectroscopy using an extreme ultraviolet free-electron laser: Manifestation of resonance states of an intermediate Ar⁺ ion

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