Slepton Mass Measurements at the LHC
Abstract
We first discuss the motivation for measuring slepton masses at the LHC, emphasizing their importance for cosmology. Next we investigate the possibility of making slepton mass determinations at the LHC in neutralino decays. We demonstrate that by studying the shape of the dilepton invariant mass distribution in the decay neutralino2 -> neutralino1 + l+ + l-, one can determine whether the slepton is real or virtual. Furthermore, in case of virtual sleptons, it is possible to bound the slepton mass within a limited range. We conclude by discussing future avenues for investigation.
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