如果$λ_{hhh}\neq 3m_h^2/v$
What if $λ_{hhh}\neq 3m_h^2/v$
摘要：
对希格斯三线性自耦合$λ_{hhh}$的测量将检验标准模型希格斯势。但是，它能揭示出通过其他方式无法获得的信息吗？通过分析几个简单的扩展的标准模型标量部门，我们表明，这种测量可能会给第一个提示，新物理修改电弱对称性破缺。结合$λ_{hhh}$和$λ_{hVV}$（$V=W,Z$）的测量结果，在区分新物理学的各种模型和提供关于这些模型的独特信息方面特别强大。
英文摘要：
A measurement of the Higgs trilinear self coupling $λ_{hhh}$ will test the Standard Model Higgs potential. But can it reveal information that cannot be learned otherwise? By analyzing several simple extensions of the Standard Model scalar sector we show that this measurement might give a first hint for New Physics modifying the electroweak symmetry breaking. Combining the measurements of $λ_{hhh}$ and $λ_{hVV}$ ($V=W,Z$) is particularly powerful in distinguishing between various models of New Physics and in providing unique information on these models.
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