A NEW TECHNIQUE TO MEASURE ELECTRON IMPACT IONISATION CROSS SECTIONS FOR HIGHLY CHARGED IONS. F J Currell, H Kuramoto, S Ohtani, H Shimizu, E Sokell*, and H Watanabe. Cold Trapped Ions Project, ICORP, Japan Science and Technology Corporation (JST), Tokyo 182-0024 Permanent address: Institute for Laser Science, University of Electro-Communications, Chofu, Tokyo, Japan. *Present Address: IRSAMC, Universite Paul Sabatier, 118 Route de Narbonne, Toulouse, France.