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arXiv 1610.09024hep-ph
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具有离散非阿贝尔对称性的Flaison规范介导

Flavored Gauge Mediation with Discrete Non-Abelian Symmetries

Lisa L. Everett, Todd S. Garon

摘要:

我们探讨了超对称破缺的风味规范中介模型的建模和现象学,其中电弱希格斯偶极子和SU(2)信使偶极子通过离散的非阿贝尔对称性连接。将希格斯场和信使场嵌入到这种非阿贝尔希格斯-信使对称性的表象中,导致了标准模型汤川耦合和信使-物质汤川相互作用之间的特定关系。以S(3)希格斯信使对称性的具体例子为例,我们证明,虽然这种情况下的最小实现遭受严重的mu/B_mu问题,这是众所周知的普通规范调解,扩大希格斯信使场的内容允许的可能性,mu和B_mu可以单独调整,允许软超对称性破缺项的唯象可行模型的可能性。我们构建了这种类型的玩具例子,与观察到的125 GeV的希格斯玻色子质量一致。

英文摘要:

We explore the model-building and phenomenology of flavored gauge mediation models of supersymmetry breaking in which the electroweak Higgs doublets and the SU(2) messenger doublets are connected by a discrete non-Abelian symmetry. The embedding of the Higgs and messenger fields into representations of this non-Abelian Higgs-messenger symmetry results in specific relations between the Standard Model Yukawa couplings and the messenger-matter Yukawa interactions. Taking the concrete example of an S(3) Higgs-messenger symmetry, we demonstrate that while the minimal implementation of this scenario suffers from a severe mu/B_mu problem that is well-known from ordinary gauge mediation, expanding the Higgs-messenger field content allows for the possibility that mu and B_mu can be separately tuned, allowing for the possibility of phenomenologically viable models of the soft supersymmetry breaking terms. We construct toy examples of this type that are consistent with the observed 125 GeV Higgs boson mass.

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