Electroweak Symmetry Breaking via QCD
Electroweak Symmetry Breaking via QCD
复制标题
通过 QCD 破缺电弱对称性
DOI：
10.1103/physrevlett.113.091604
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发表时间：
2014
期刊：
影响因子：
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通讯作者：
M. Lindner
中科院分区：
文献类型：
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作者：
K-S. Lim;J. Kubo; M. Lindner
我们提出了一种新的机制来产生QCD框架内的电弱尺度，并将其扩展到包含属于更大的不可约表示的共形不变标量自由度。电弱对称性破缺是由彩色标量场在1tev附近的凝聚通过希格斯入口动态触发的。彩色玻色子的质量被限制为，其上界由微扰重整化群演化得到。这意味着彩色玻色子可以在大型强子对撞机中产生。如果有色玻色子是带电的，希格斯玻色子衰变成两个光子的分支分数可以略微增加，而且，它可以在未来的线性对撞机中产生。我们的非微扰电弱尺度生成思想可以作为解决层次问题中更现实的模型构建的新起点。
We propose a new mechanism to generate the electroweak scale within the framework of QCD, which is extended to include conformally invariant scalar degrees of freedom belonging to a larger irreducible representation of. The electroweak symmetry breaking is triggered dynamically via the Higgs portal by the condensation of the colored scalar field around 1 TeV. The mass of the colored boson is restricted to be, with the upper bound obtained from perturbative renormalization group evolution. This implies that the colored boson can be produced at the LHC. If the colored boson is electrically charged, the branching fraction of the Higgs boson decaying into two photons can slightly increase, and moreover, it can be produced at future linear colliders. Our idea of nonperturbative electroweak scale generation can serve as a new starting point for more realistic model building in solving the hierarchy problem.