A theoretical analysis of light-pressure cooling of a fast ion beam is given. The light-induced velocity changes are compensated by accelerating the ions by an external electric field. By analyzing the Fokker-Planck equation, cooling times and the ultimate temperature of the ions are given. It is argued that the transverse heating and the diffusion to velocities that are not cooled should pose no serious problems in realistic experimental cases. The particular physical conditions in a heavy-ion storage ring are finally discussed.
© 1985 Optical Society of America
Juha Javanainen, Matti Kaivola, Ulrik Nielsen, Ove Poulsen, and Erling Riis, "Laser cooling of a fast ion beam," J. Opt. Soc. Am. B 2, 1768-1775 (1985)