Supersymmetric top decays

Abstract

The supersymmetric decays of the top quark into charged Higgs plus bottom, $\thb$, and into the supersymmetric partner of the top (${\wti u}_1$) plus the lightest neutralino (${\wti χ}_1^0$), $\tstopneu$, are discussed within the framework of the Minimal Supersymmetric Standard Model with radiatively induced breaking of the gauge group $SU(2)\times U(1)$. The possibility of detecting these decays at present, i.e. given the available bounds on supersymmetric parameters, is compared with the situation a Next $e^{+}{e}^{-}$ Linear Collider would face if supersymmetric particles were still undiscovered at LEP~II. The indirect implications for $\thb$ and $\tstopneu$ of a measurement of the bottom quark decay $\bsgamma$ at the Standard Model level are taken into account. }}

Latex file, 6 pages, 9 figures (not included, available upon request), style file mystylr.sty appended after \end{document} preprint DESY 93-099