Electroweak radiative corrections topp(−)→W±→ℓ±νbeyond the pole approximation

We present a calculation of the complete electroweak $\mathcal{O}(\alpha )$ corrections to $p\stackrel{(-)}{p}\to W^{\pm }\to {\ell }^{\pm }\nu X$ ($\ell =e,\mu$) in the standard model of electroweak interactions, focusing on those corrections which do not contribute in the pole approximation. We study in detail the effect of these corrections on the transverse mass distribution, the $W$-width measurement, and the transverse mass ratio and cross section ratio of $W$ and $Z$ bosons.