EJECTED ELECTRON SPECTRA FROM HIGH ENERGY HIGHLY CHARGED OXYGEN IONS IN
COLLISIONS WITH ATOMS

S.Kitazawa1, M.Sataka1, H.Tawara2, M.Imai3, H.Shibata4, K.Komaki5, K.
Kawatsura6 and Y.Kanai7

1Japan Atomic Energy Research Institute (JAERI), Tokai, Ibaraki 319-1195,
Japan
2National Institute for Fusion Science (NIFS), Toki, Gifu 509-5292, Japan
3Department of Nuclear Engineering, Kyoto Univ., Kyoto 606-8501, Japan
4Research Center for Nuclear Sciences and Technology, Univ. Tokyo, Ibaraki
319-1106, Japan
5Institute of Physics, Graduate School of Arts and Sciences, Univ. Tokyo,
Meguro, Tokyo 153-8902, Japan
6Depertment of Chemistry and Materials Technology, Kyoto Institute of
Technology, Kyoto 606-8585, Japan
7The Institute of Physical and Chemical Research (RIKEN), Saitama 351-0198,
Japan

Coster-Kronig electrons from autoionising Rydberg states of MeV/u oxygen
projectiles excited through atomic gas target were observed at zero degrees.
The spectra are compared with those of keV/u experiments.