Probing anomalous Wtb couplings in top pair decays J.A. Aguilar-Saavedra, J. Carvalho, N. Castro, A. Onofre and F. Veloso Eur. Phys. J. C, 50 3 (2007) 519-533 Published online: 05 April 2007 DOI: 10.1140/epjc/s10052-007-0289-4