PRODUCTION OF HOLLOW LITHIUM BY ELECTRON CORRELATION IN 95 MeV/u Ar18+ + Li COLLISIONS J.A. Tanis1,2, J.-Y. Chesnel1,3, F. Fremont3, D. Hennecart3, X. Husson3, A. Cassimi3, J.P. Grandin3, B. Skogvall4, B. Sulik,5 J.-H. Bremer1, and N. Stolterfoht1 1Hahn-Meitner-Institut GmbH, Bereich Festkorperphysik, D-14109 Berlin, Germany 2Department of Physics, Western Michigan University, Kalamazoo, Michigan 49008 3Centre Interdisciplinaire de Recherche Ions-Lasers, Universite de Caen, F-14070 Caen Cedex, France 4Technische Universitat Berlin, Hardenberg Str. 36, D-10623 Berlin, Germany 5Institute of Nuclear Research (ATOMKI), H-4001 Debrecen, Hungary Double-K-shell-vacancy production in Li by 95 MeV/u Ar18+ projectiles was investigated using high-resolution electron spectroscopy. Strong line intensities from the 2s2 1S and 2s3s 3S excited-state configurations are attributed to the electron-electron interaction. Formation of the 3S state, with intensity ~ 1.5 times that of the 1S, is attributed to a correlated three-electron transition.