A Supersymmetric Composite Model with Dynamical Supersymmetry Breaking
Noriaki Kitazawa, Nobuchika Okada
Abstract
We present a supersymmetric composite model with dynamical supersymmetry breaking. The model is based on the gauge group SU(2)S × SU(2)H × SU(3)c × SU(2)L × U(1)Y. Supersymmetry is dynamically broken by the non-perturbative effect of the SU(2)S `supercolor' interaction. The large top Yukawa coupling is naturally generated by the SU(2)H `hypercolor' interaction as recently proposed by Nelson and Strassler. The supersymmetry breaking is mediated to the standard model sector by a new mechanism. The electroweak symmetry breaking is caused by the radiative correction due to the large top Yukawa coupling with the supersymmetry breaking. This is the `radiative breaking scenario', which originates from the dynamics of the supercolor and hypercolor gauge interactions.
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