A revised value for the neutron lifetime measured using a Penning trap J. Byrne, P. G. Dawber, C. G. Habeck, S. J. Smidt, J. A. Spain and A. P. Williams Europhys. Lett., 33 3 (1996) 187-192 Published online: 01 September 2002 DOI: 10.1209/epl/i1996-00319-x