Signatures of Baryon non-conserving Yukawa couplings in a supersymmetric theory

Details Signatures of Baryon non-conserving Yukawa couplings in a supersymmetric theory Signatures of Baryon non-conserving Yukawa couplings in a supersymmetric theory

1996-06-24

arxiv.org/abs/hep-ph/9606418v1

Phys.Rev. D56 (1997) 6912-6918

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, six figures, captions.sty included

Scientific paper

10.1103/PhysRevD.56.6912

Renormalization effects of large baryon-nonconserving Yukawa couplings $\lambda^{\prime\prime}_{ijk} \overline{U_i} \overline{D_j} \overline{D_k}$ lower the right handed squark masses keeping the left-handed squark masses virtually untouched at the lowest order. At low energy they enhance the mass-splitting between left and right handed squarks of the same generation as well as intergenerational mass splitting among squarks, potentially detectable in future colliders or in rare decays. The predicted mass of the lightest stop squark becomes lower than the experimental bound for larger ranges of parameter space than that of the Baryon-conserving case, hence, further constraining the parameter space of a supersymmetric theory when baryon violation is included.

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