R-parity violation and top quark polarization at the Fermilab Tevatron collider

Abstract

The lepton or baryon number violating top quark interactions in the supersymmetric standard model with R parity violation contribute to the process d dbar to t tbar at the tree level via the t- or u-channel sfermion exchange. Since these interactions are chiral, they induce polarization to the top quark in the t tbar events at hadron colliders. We show in this article that the polarization can be a useful observable for probing these interactions at the upgraded Fermilab Tevatron collider, because the polarization is expected to be very small in the standard model.

15 pages, 5 figures

References in corpus (1)

• Searching for R-Parity Violation at Run-II of the Tevatron

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