331- TC耦合体系中的质量分裂
The mass splitting in an 331-TC coupled Scenario
摘要：
大多数的特色（TC）问题的根源在于普通费米子获得质量的方式，其中普通费米子（f）耦合到由扩展特色（ETC）玻色子介导的特色费米子（F），导致费米子质量随ETC质量标度（$M_E$）变化为$1/M_E^2$。最近，我们讨论了一种新的方法，其中TC和QCD通过一个更大的理论耦合的模型，在这种情况下，这些方程的解被修改相比，孤立的方程，和TC和QCD自能的不规则形式，这使我们能够建立模型，ETC玻色子质量可以被推到非常高的能量。在本文中，我们将这些结果推广到331-TC模型，特别是考虑耦合系统的Schwinger-Dyson方程，我们表明，所有的模型的技术费米子表现出相同的渐近行为的TC自能。作为应用，我们讨论了如何在第二代和第三代费米子之间产生$O(100)GeV$级的质量分裂。
英文摘要：
The root of most of the technicolor (TC) problems lies in the way the ordinary fermions acquire their masses, where an ordinary fermion (f) couples to a technifermion (F) mediated by an Extended Technicolor (ETC) boson leading to fermion masses that vary with the ETC mass scale ($M_E$) as $1/M_E^2$. Recently, we discussed a new approach consisting of models where TC and QCD are coupled through a larger theory, in this case the solutions of these equations are modified compared to those of the isolated equations, and TC and QCD self-energies are of the Irregular form, which allows us to build models where ETC boson masses can be pushed to very high energies. In this work we extend these results for 331-TC models, in particular considering a coupled system of Schwinger-Dyson equations, we show that all technifermions of the model exhibit the same asymptotic behavior for TC self-energies. As an application we discuss how the mass splitting of the order $O(100)GeV$ could be generated between the second and third generation of fermions.
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