CHARGE CHANGING CROSS SECTIONS OF Kr^{q+} (q=3-9) COLLIDING WITH CO 
AT LOW ENERGIES  BELOW 1 keV/amu

K. Ishii, K. Okuno and N. Kobayashi

Department of Physics, Tokyo Metropolitan University
Minami-Ohsawa 1-1, Hachioji-shi. Tokyo 192-0397, JAPAN

Single- and multiple- charge changing cross sections in collisions of
Kr^{q+} ions (q = 3-9) with CO molecule have been measured in low energies
ranging from 5.95*10^{-3} q to 1.19*10^{1} q eV/amu. An energy dependence
and a charge dependence of charge changing cross section are discussed.