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arXiv 0904.2005hep-ph
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用多标量隐藏希格斯玻色子

Hiding the Higgs Boson with Multiple Scalars

Sally Dawson, Wenbin Yan

摘要:

我们考虑模型与多个希格斯标量规范单线态和由此产生的限制,从精密电弱测量的参数。在这些模型中,标量单线态与SU(2)希格斯双线态混合,可能导致标量与费米子和规范玻色子的耦合相对于标准模型希格斯玻色子耦合降低。这样的模型可能会使希格斯部分难以在LHC上探索。我们强调新的物理产生的至少两个标量希格斯单线态。

英文摘要:

We consider models with multiple Higgs scalar gauge singlets and the resulting restrictions on the parameters from precision electroweak measurements. In these models, the scalar singlets mix with the SU(2) Higgs doublet, potentially leading to reduced couplings of the scalars to fermions and gauge bosons relative to the Standard Model Higgs boson couplings. Such models can make the Higgs sector difficult to explore at the LHC. We emphasize the new physics resulting from the addition of at least two scalar Higgs singlets.

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