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A U(2) x U(3) gauge theory extension of the standard model

机译:A U(2)X U(3)仪表理论延伸标准模型

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We consider an extension of the standard model based on the group U(2) x U(3), which is naturally compatible with the standard model interacting-particle representations and the spontaneous symmetry breaking of U(2) x U(3) to an electrostrong U(3). In its minimal version, the model only adds one extra U(1) gauge boson and it implies that the hypercharge is distributed between the factors of the hyperweak and hyperstrong forces. We show that the anomaly cancellation condition can be solved by adding exotic fermions associated with a 16-dimensional representation of U(2) x U(3). A brief discussion of the mechanism of the spontaneous breakdown of U(2) x U(3) in the gauge boson sector is given. (C) 2019 Elsevier B.V. All rights reserved.
机译:我们考虑基于组U(2)x U(3)的标准模型的扩展,该模型与标准模型交互粒子表示自然兼容,以及U(2)X U(3)的自发对称性断裂 电旋转u(3)。 在其最小的版本中,该型号仅添加一个额外的U(1)仪表玻色子,它意味着超费分布在超引导和高度力的因素之间。 我们表明,通过添加与U(2)x U(3)的16维表示相关的异端离费物可以解决异常消除条件。 给出了对玻色子队伍中U(2)x U(3)的自发击穿机制的简要讨论。 (c)2019年Elsevier B.V.保留所有权利。

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