Diffraction of fast metastable atoms by micrometric reflection gratings J. Grucker, J.-C. Karam, F. Correia, F. Perales, G. Vassilev, V. Bocvarski, S. M. Chérif, J. Baudon and M. Ducloy Eur. Phys. J. D, 41 3 (2007) 467-474 Published online: 31 January 2007 DOI: 10.1140/epjd/e2007-00016-x