CONTRIBUTIONS FROM ION-ATOM CHARGE EXCHANGE COLLISIONS TO THE CVI LYMAN INTENSITIES IN THE JET TOKAMAK M. MATTIOLI, N.J. PEACOCK, H.P. SUMMERS, B. DENNE and N.C. HAWKES J. Phys. Colloques, 50 C1 (1989) C1-329-C1-335 DOI: 10.1051/jphyscol:1989136