Supersymmetric contribution to the quark-lepton universality violation in charged currents

Details Supersymmetric contribution to the quark-lepton universality violation in charged currents Supersymmetric contribution to the quark-lepton universality violation in charged currents

1995-07-26

arxiv.org/abs/hep-ph/9507419v4

Phys.Rev.Lett.75:3605-3608,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, LaTeX, 3 figures, uuencoded gziped .ps file, to be published

Scientific paper

10.1103/PhysRevLett.75.3605

The supersymmetric one-loop contribution to the quark-lepton universality violation in the low-energy charged current weak interactions is studied. It is shown that the recent experimental data with the 1-$\sigma$ deviation from the universality may be explained by the existence of the light sleptons ($<220$GeV) and relatively light chargino and neutralinos ($<600$GeV) with significant gaugino components. The sign of the universality violation is briefly discussed.

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