A chiral supersymmetric standard model
نویسندگان
چکیده
منابع مشابه
A Chiral Supersymmetric Standard Model
We propose a supersymmetric extension of the Standard Model with an extra U(1) gauge symmetry, so that all supersymmetric mass terms, including the μ-term, are forbidden by the gauge symmetries. Supersymmetry is broken dynamically which results in U(1) breaking and generation of realistic μ term and soft breaking masses. The additional fields required to cancel the U(1) anomalies are identified...
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We construct extensions of the Standard Model in which the gauge symmetries and supersymmetry prevent the dangerously large effects that may potentially be induced in a supersymmetric standard model by Planck scale physics. These include baryon number violation, flavor changing neutral currents, the μ term, and masses for singlet or vector-like fields under the Standard Model gauge group. For t...
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We study the breaking of supersymmetry in five-dimensional (5d) warped spaces, using the Randall-Sundrum model as a prototype. In particular, we present a supersymmetrybreaking mechanism which has a geometrical origin, and consists of imposing different boundary conditions between the fermions and bosons living in the 5d bulk. The scale of supersymmetry breaking is exponentially small due to th...
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We discuss some phenomenological aspects of an E6 inspired supersymmetric standard model with an extra U(1)N gauge symmetry under which right-handed neutrinos have zero charge, allowing a conventional see-saw mechanism. The μ problem is solved in a similar way to the NMSSM, but without the accompanying problems of singlet tadpoles or domain walls. The above exceptional supersymmetric standard m...
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There are several indications that the Majorana masses of the right-handed neutrino components, MR, are at the intermediate scale: MR ∼ (10 − 10) GeV or even lighter. The renormalization effects due to large Yukawa couplings of neutrinos from region of momenta MR ∼< q ∼< MG are studied in the supersymmetric standard model. It is shown that neutrino renormalization effect can increase the mb/mτ ...
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 1998
ISSN: 0370-2693
DOI: 10.1016/s0370-2693(98)01052-1