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arXiv 1706.03057hep-ph
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具有亚稳SUSY破缺的完全SGUT的No-Go定理

A No-Go Theorem for Fully SGUTs with Metastable SUSY Breaking

Jean-François Fortin, Jean-Samuel Leboeuf

摘要:

我们完全介绍SGUTs,超对称大统一理论,通过希格斯机制的对称性破缺后,分解成一个可见的部门和一个额外的部门,额外的部门规范组的动态负责超对称破缺。因此,完全SGUT具有一个重要的特征,即所有可见扇区和额外扇区的规范群在SGUT标度下统一为一个简单的规范群,从而将成功的MSSM规范耦合统一推广到该理论的所有规范耦合。通过对额外扇区中ISS超对称性破缺机制的研究,我们证明了当存在亚稳态ISS超对称性破缺态时,不可能再现MSSM的物质含量。

英文摘要:

We introduce fully SGUTs, SUSY grand unified theories that, upon symmetry breaking through the Higgs mechanism, decompose into a visible sector and an extra sector where the dynamics of the extra sector gauge group is responsible for SUSY breaking. Fully SGUTs thus have the important feature that all gauge groups of the visible sector and the extra sector unify into a simple gauge group at the SGUT scale, therefore generalizing the successful MSSM gauge coupling unification to all the gauge couplings of the theory. By focusing on the ISS SUSY-breaking mechanism in the extra sector, we show that it is impossible to reproduce the MSSM matter content when there exists a metastable ISS SUSY-breaking state.

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