R-Parity Violating SUSY Signals in Lepton-Pair Production at the Tevatron

Abstract

In supersymmetric theories with R-parity breaking, sleptons can be produced in quark-antiquark annihilation at the Tevatron through interactions in which two quark fields are coupled to a slepton field. If at the same time trilinear slepton-lepton-lepton couplings are present, the sleptons can be searched for as resonances in $p\bar{p}\to \tilde{\nu }\to l^{+}{l}^{-}$ and $\tilde{\tau }\to l\nu$ final states. Existing Tevatron data can be exploited to derive bounds on the Yukawa couplings of sleptons to quark and lepton pairs. Similar bounds can also be obtained from $e^{+}{e}^{-}$ annihilation to hadrons at LEP2.

arXiv commentLaTeX file, 12 pages, 4 figures, uses epsfig, axodraw

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