An optical lattice clock with spin-polarized 87Sr atoms X. Baillard, M. Fouché, R. Le Targat, P. G. Westergaard, A. Lecallier, F. Chapelet, M. Abgrall, G. D. Rovera, P. Laurent, P. Rosenbusch et al. (7 more) Eur. Phys. J. D, 48 1 (2008) 11-17 Published online: 07 December 2007 DOI: 10.1140/epjd/e2007-00330-3