%0 Journal Article %T Remarks on the $W$ propagator at the resonance %A G. Lopez Castro %A J. L. Lucio M. %A J. Pestieau %J Physics %D 1995 %I arXiv %R 10.1142/S0217751X96000262 %X We address the problem of properly defining the $W^{\pm}, Z^0$ propagator in the resonance region. Particular attention is paid to the longitudinal piece of this propagator. We also discuss the related renormalization procedures and the unitarity property. %U http://arxiv.org/abs/hep-ph/9504351v1