arXiv 1005.08412010-05hep-phhep-th

混合希格斯粒子

A Hybrid Higgs

Sakura Schafer-Nameki, Carlos Tamarit, Gonzalo Torroba

备注：: 56 pages, 7 figures, v2: discussion on FCNCs and references added, v3: JHEP version
发表信息：: JHEP 1103:113,2011
DOI：: 10.1007/JHEP03(2011)113

摘要：

我们构建复合希格斯模型承认弱耦合Seiberg对偶描述。我们关注的可能性，只有向上型希格斯粒子是一个基本场，而向下型希格斯粒子出现作为一个复合强子。该模型基于SQCD理论，动态地、可计算地破缺了超对称性和电弱对称性。这同时解决了μ/B_μ问题，并解释了底部和τ质量与顶部质量相比的小。该建议，然后适用于一类模型，其中相同的约束动力学是用来产生的标准模型味层次结构的夸克和轻子复合。这为味、超对称破缺和电弱物理提供了一个统一的框架。弱耦合对偶被用来明确计算MSSM参数的一些微观耦合，给有趣的电弱参数和软参数之间的关系。RG演化到TeV尺度的这一类的“单部门”模型得到了显着的唯象预测进行了讨论。

英文摘要：

We construct composite Higgs models admitting a weakly coupled Seiberg dual description. We focus on the possibility that only the up-type Higgs is an elementary field, while the down-type Higgs arises as a composite hadron. The model, based on a confining SQCD theory, breaks supersymmetry and electroweak symmetry dynamically and calculably. This simultaneously solves the μ/B_μproblem and explains the smallness of the bottom and tau masses compared to the top mass. The proposal is then applied to a class of models where the same confining dynamics is used to generate the Standard Model flavor hierarchy by quark and lepton compositeness. This provides a unified framework for flavor, supersymmetry breaking and electroweak physics. The weakly coupled dual is used to explicitly compute the MSSM parameters in terms of a few microscopic couplings, giving interesting relations between the electroweak and soft parameters. The RG evolution down to the TeV scale is obtained and salient phenomenological predictions of this class of "single-sector" models are discussed.

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