No. 126 (00283) Family name : FUJIMOTO Given name : Junpei Affiliation : KEK Abbreviation : E-mail address : junpei@suchi.kek.jp Title : Full one-loop electroweak radiative corrections to single photon production in $e^+e^-$ Authors : G. Belanger, F. Boudjema, J. Fujimoto, T. Ishikawa, T. Kaneko, K.Kato, Y. Kurihara, Y. Shimizu, S. Yamashita Abstract : We present the full $O(\alpha)$ electrowaek radiative corrections to single photon production in $e^+e^-$, i.e. $e^+e^- \rightarrow \nu \bar{\nu} photon$. This takes into account the full one-loop corrections including 5-point functions as well as the effects of hard photon radiaton. The computaton is performed with the help of {\tt GRACE-loop} where we have implemented a generalized non-linear gauge fixing condition. We discuss the size of pure weak corrections at LEP-II and LC energy regions. The exraction of the terms of mass singurality is also discussed.