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arXiv 1507.08673hep-ph
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LHC上的亲希格规范玻色子和单喷注

Higgsophilic gauge bosons and monojets at the LHC

Jong Soo Kim, Oleg Lebedev, Daniel Schmeier

摘要:

我们考虑一个通用的框架,其中的标准模型(SM)与一个隐藏的部门赋予一些额外的规范对称性共存。当这种对称性被隐藏规范群下带电的标量场破坏时,相应的标量玻色子通常会与SM希格斯玻色子玻色子混合。此外,大量的隐藏规范玻色子出现,通过混合,观察到的希格斯质量本征态是唯一已知的直接耦合到这些隐藏规范玻色子的粒子。我们研究了这种情况下的LHC单喷流签名和相应的约束的规范耦合的隐藏规范群以及混合的希格斯标量。

英文摘要:

We consider a generic framework where the Standard Model (SM) coexists with a hidden sector endowed with some additional gauge symmetry. When this symmetry is broken by a scalar field charged under the hidden gauge group, the corresponding scalar boson generally mixes with the SM Higgs boson. In addition, massive hidden gauge bosons emerge and via the mixing, the observed Higgs-like mass eigenstate is the only known particle that couples to these hidden gauge bosons directly. We study the LHC monojet signatures of this scenario and the corresponding constraints on the gauge coupling of the hidden gauge group as well as the mixing of the Higgs scalars.

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