Third generation sfermions decays into Z and W gauge bosons: full one-loop analysis

Details Third generation sfermions decays into Z and W gauge bosons: full one-loop analysis Third generation sfermions decays into Z and W gauge bosons: full one-loop analysis

2004-12-22

arxiv.org/abs/hep-ph/0412349v2

Phys.Rev.D71:095001,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex file, 18 pages, 8 figures, version to appear in PRD

Scientific paper

10.1103/PhysRevD.71.095001

The complete one-loop radiative corrections to third generation scalar fermions into gauge bosons Z and W^\pm is considered. We focus on \wt{f}_2 \to Z \wt{f}_1 and \wt{f}_i \to W^\pm \wt{f'}_j (f,f'=t,b). 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. The two sets of corrections interfere destructively in some region of parameter space. The full one loop correction can reach 10% in some SUGRA scenario, while in model independent analysis like 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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