Alec Aivazis edited Abstract.tex  over 9 years ago

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A search for a supersymmetric top decay assuming a 100\% branching ratio of $\widetilde{t}\overline{\widetilde{t}} \rightarrow \mu^+ \mu ^- b \overline{b}$ is presented using a minimally supersymmetric model at an integrated luminosity of $19.5 $19.5\  \mathrm{fb}^{-1}$. The datasets were recorded with the CMS detector at the LHC. Using Baysian marginalization, an upper limit on the cross section of this process is computed and a cut off point is calculated below which the data does not support the presence of the target decay. This cut off point was calculated to be around 780 GeV.