Photoion-Yield Study of the ns-mp (n=3, 4, and 5) Autoionizing Resonances in Ca, Sr, and Ba Atoms(Atomic and Molecular Physics)

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概要

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• An experimental study has been carried out for photoabsorption and subsequent decay of Ca, Sr, and Ba atoms in ns-mp (m>n, n=3, 4, and 5, respectively) autoionization resonance regions. We used a photoionization mass spectroscopy method with ionic charge state discrimination. Monochromatized synchrotron radiation was used as the light source. For all the atomic species, the first member of the ns^<-1>mp resonance series was observed to a reasonable extent, whereas the higher lying members are obscure. These ns^<-1>mp resonances appear as broad and shallow window-type resonances in their double ionization spectra but as peak-type resonances in the single ionization spectra. The results of the ns-mp resonance excitation are discussed on the basis of the MCDF calculation for the resonance states and also on the basis of Fano's profile parameter q, the resonance width Γ, and the resonance energy E_r, which are determined by a curve-fitting analysis.

• 社団法人日本物理学会の論文
• 2006-04-15

著者

• OHTANI Shunsuke

  The University of Electro-Communications

• Koide Michi

  Department Of Science And Technology Meisei University

• Nagata T

  Department Of Physics Aoyama-gakuin University

• Osawa Toshihiro

  Institute Of Multidisciplinary Research For Advanced Materials Tohoku University

• KAYAMA Emi

  Department of Science and Technology, Meisei University

• OSAWA Tetsutaro

  Department of Science and Technology, Meisei University

• TSUGE Satoshi

  Department of Science and Technology, Meisei University

• TOHYAMA Yuko

  Department of Science and Technology, Meisei University

• NAGATA Tetsuo

  Department of Science and Technology, Meisei University

• OBARA Satoshi

  Photon Factory, Institute for Material Structure Science

• HASEGAWA Shuichi

  Department of Quantum Engineering and System Science, University of Tokyo

• AZUMA Yoshiro

  Photon Factory, Institute for Material Structure Science

• KOIKE Fumihiro

  School of Medicine, Kitasato University

• Ohtani Shunsuke

  Institute For Laser Science University Of Electro-communications

• Ohtani Shunsuke

  Cold Trapped Ions Project Icorp Jst:the University Of Electro-communications

• Shunsuke Ohtani

  Cold Trapped Ions Project Icorp Japan Science And Technology Corporation (jst)

• Nagata T

  Department Of Science And Technology Meisei University

• Tohyama Yuko

  Department Of Science And Technology Meisei University

• Tohyama Yuko

  Department Of Physics Meisei University

• Tsuge Satoshi

  Department Of Science And Technology Meisei University

• Obara Satoshi

  Photon Factory Institute For Material Structure Science

• Azuma Y

  Photon Factory Institute For Material Structure Science

• Nagata Tetsuo

  Department Of Physics Meisei University

• Koike F

  School Of Medicine Kitasato University

• Koike Fumihiro

  School Of Medicine Kitasato University

• Ohtani Shunsuke

  Cold Trapped Ion Project Japan Science & Technology Cooperation

• Hasegawa S

  Department Of Quantum Engineering And System Science University Of Tokyo

• Kayama Emi

  Department Of Science And Technology Meisei University

• KOIDE Michi

  Department of Science and Technology, Meisei University

• KAYAMA Emi

  Department of Physics, Meisei University

• TSUGE Satoshi

  Department of Physics, Meisei University

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