Complete one--loop analysis to stop and sbottom decays into $Z$ and $W^{\pm}$ bosons

Details Complete one--loop analysis to stop and sbottom decays into $Z$ and $W^{\pm}$ bosons Complete one--loop analysis to stop and sbottom decays into $Z$ and $W^{\pm}$ bosons

2005-11-09

arxiv.org/abs/hep-ph/0511116v1

Afr.J.Math.Phys.3:85-91,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

To appear in proceedings of "The International Conference on High Energy and Mathematical Physics" (ICHEMP05), Marrakech, Moro

Scientific paper

We study radiative corrections to third generation scalar fermions into gauge bosons $Z$ and $W^\pm$. We include both SUSY-QCD, QED and full electroweak corrections. It is found that the electroweak corrections can be of the same order as the SUSY-QCD corrections and interfere destructively in some region of parameter space. The full one loop correction can reach 10% in some SUGRA scenario, while in general MSSM, the one loop correction can reach 20% for large $\tan\beta$ and large trilinear soft breaking terms $A_b$.

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