论文标题
通过使用electroweak有效理论来限制共振
Constraining resonances by using the electroweak effective theory
论文作者
论文摘要
鉴于标准模型（SM）和可能的新粒子之间的质量差距，有效的场理论是一种合适的方法。我们采用了电子对称性破坏的非线性实现：电子有效理论（EWET），也称为Higgs有效野外理论（HEFT）或Electroweak手性拉格朗日（Ewchl）。在较高的尺度上，我们考虑共振electroweak lagrangian，将SM字段与共振结合在一起。整合了这些共振并假设行为良好的高能行为，一些玻色子低能常数是根据共振质量确定或限制的。这些低能常数的当前实验界限使我们能够将共振质量尺度推向TEV范围，$ M_R \ geq 2 \，$ tev，与先前的估计非常吻合。
In the light of the mass gap between Standard Model (SM) states and possible new particles, effective field theories are a suitable approach. We take on the non-linear realization of the electroweak symmetry breaking: the electroweak effective theory (EWET), also known as Higgs effective field theory (HEFT) or electroweak chiral Lagrangian (EWChL). At higher scales we consider a resonance electroweak Lagrangian, coupling SM fields to resonances. Integrating out these resonances and assuming a well-behaved high-energy behavior, some of the bosonic low-energy constants are determined or constrained in terms of resonance masses. Present experimental bounds on these low-energy constants allow us to push the resonance mass scale to the TeV range, $M_R \geq 2\,$TeV, in good agreement with previous estimations.
