Sfermion decays into singlets and singlinos in the NMSSM

Details Sfermion decays into singlets and singlinos in the NMSSM Sfermion decays into singlets and singlinos in the NMSSM

2005-07-05

arxiv.org/abs/hep-ph/0507055v2

Phys.Lett. B626 (2005) 175-183

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 4 figures; a few additional remarks on the model, version to be published

Scientific paper

10.1016/j.physletb.2005.08.090

We investigate how the addition of the singlet Higgs field in the NMSSM changes the sfermion branching ratios as compared to the MSSM. We concentrate in particular on the third generation, discussing decays of the heavier stop, sbottom or stau into the lighter mass eigenstate plus a scalar or pseudoscalar singlet Higgs. We also analyse stop, sbottom and stau decays into singlinos. It turns out that the branching ratios of these decays can be large, markedly influencing the sfermion phenomenology in the NMSSM. Moreover, we consider decays of first and second generation sfermions into singlinos.

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