论文标题
来自额外尺寸
The specificity of the interactions of electroweak gauge bosons coming from extra dimensions
论文作者
论文摘要
我们讨论了具有扭曲的额外尺寸的模型中电表仪玻色子激发相互作用的特异性。特别是，我们表明，量规玻色子激发的耦合$ w^{\ prime} $，$ z^{\ prime} $，以及$γ^\ prime $ to sm仪表玻色子作为5D量规场的零模式，要么完全抑制了零。在前一种情况下，明确发现了SM仪表玻色子的三颗粒和四粒子相互作用的拉格朗日及其最低激发。同时，$ w^{\ prime} $，$ z^{\ prime} $的耦合和$γ^\ prime $ to sm fermions non-Zero允许其生产和衰减。这些是具有扭曲额外尺寸的模型中量规玻色子激发的特征，它们将它们与SM以外的其他模型中的仪表玻色子激发区分开。
We discuss the specificity of the interactions of the electroweak gauge boson excitations in models with warped extra dimensions. In particular, we show that the couplings of the gauge boson excitations $W^{\prime}$, $Z^{\prime}$, and $γ^\prime$ to the SM gauge bosons treated as the zero modes of the 5D gauge fields are either exactly equal to zero or very much suppressed. In the former case, the three-particle and four-particle interaction Lagrangians of the SM gauge bosons and their lowest excitations are found explicitly. Meanwhile, the couplings of $W^{\prime}$, $Z^{\prime}$, and $γ^\prime$ to the SM fermions are non-zero allowing for their production and decays. These are the characteristic features of the gauge boson excitations in models with warped extra dimensions, which distinguish them from the gauge boson excitations in other models beyond the SM.
