Trapping of a supersonic beam in a traveling magnetic wave A. Trimeche, M.N. Bera, J.-P. Cromières, J. Robert and N. Vanhaecke Eur. Phys. J. D, 65 1-2 (2011) 263-271 Published online: 17 June 2011 DOI: 10.1140/epjd/e2011-20096-1