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Effects of R-parity violating supersymmetry in top pair production at linear colliders with polarized beams

Xuelei Wang·Jitao Li·Suzhen Liu
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Abstract

In the minimal supersymmetric standard model with R-parity violation, the lepton number violating top quark interactions can contribute to the top pair production at a linear collider via tree-level u-channel squark exchange diagrams. We calculate such contributions and find that in the allowed range of these R-violating couplings, the top pair production rate as well as the top quark polarization and the forward-backward asymmetry can be significantly altered. By comparing the unpolarized beams with the polarized beams, we find that the polarized beams are more powerful in probing such new physics.

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Xuelei Wang, Jitao Li, Suzhen Liu. 2006-11-06. Effects of R-parity violating supersymmetry in top pair production at linear colliders with polarized beams. https://doi.org/10.1088/0253-6102%2F48%2F5%2F027

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