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Alignment of atomic autoionizing states created by slow Na++He collisions |
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| Authors: | H A Sakaue T Negishi Y Seki T Takayanagi K Wakiya F Koike H Suzuki |
| Institution: | 1. Department of Physics, Sophia University, 102, Chiyoda-ku, Tokyo, Japan 2. The Institute of Physical and Chemical Research (RIKEN) Wako, 351-01, Saitama, Japan 3. School of Medicine, Kitasato University, 228, Sagamihara, Kanagawa, Japan |
| Abstract: | Ejected-electron spectra have been measured for collisions of He-atoms with Na+-ions, whose impact energy ranged from 1.7 to 7.0 keV. The ion impact-energy dependence of the angular-differential cross-section of the ejected electrons has been investigated for an aligned autoionizing state Na**(2p 5 3s 2 2 P), which has been created by charge transfer from the He-atoms. The alignment of the autoionizing state Na**(2p 5 3s 2 2 P) is discussed in relation to the scattering angles of the Na+-ions. A complete longitudinal alignment has been observed with respect to the quasimolecular axis. |
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