Tau Polarizations in the Three-body Slepton Decays with Stau as the NLSP

Details Tau Polarizations in the Three-body Slepton Decays with Stau as the NLSP Tau Polarizations in the Three-body Slepton Decays with Stau as the NLSP

2001-03-12

arxiv.org/abs/hep-ph/0103116v2

Phys.Rev. D64 (2001) 075008

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 5 figures, RevTex

Scientific paper

10.1103/PhysRevD.64.075008

In the gauge-mediated supersymmetry breaking models with scalar tau as the next-to-lightest supersymmetric particle, a scalar lepton may decay dominantly into its superpartner, tau lepton, and the lightest scalar tau particle. We give detailed formulas for the three-body decay amplitudes and the polarization asymmetry of the outgoing tau lepton . We find that the tau polarizations are sensitive to the model parameters such as the stau mixing angle, the neutralino to slepton mass ratio and the neutralino mixing effect.

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