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

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

1999-08-03

arxiv.org/abs/hep-ph/9908231v1

Phys.Rev. D60 (1999) 114041

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 5 figures

Scientific paper

10.1103/PhysRevD.60.114041

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.

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