Evidence for interatomic Coulombic decay in Xe K-shell-vacancy decay of XeF2

R. W. Dunford,1 S. H. Southworth,1 D. Ray,1 E. P. Kanter,1 B. Krassig,1 L. Young,1 D. A. Arms,1 E. M. Dufresne,1 D. A. Walko,1 O. Vendrell,2 S.-K. Son,2 and R. Santra2,3 1Argonne National Laboratory, 9700 South Cass Avenue, Lemont, Illinois 60439, USA 2Center for Free-Electron Laser Science, DESY, 22607 Hamburg, Germany 3Department of Physics, University of Hamburg, 20355 Hamburg, Germany (Received 26 March 2012; published 4 September 2012)