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arXiv 1609.05029hep-ph
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极小Z'模型的现象学:从LHC到GUT标度

Phenomenology of minimal Z' models: from the LHC to the GUT scale

Elena Accomando, Claudio Coriano, Luigi Delle Rose, Juri Fiaschi, Carlo Marzo, Stefano Moretti

摘要:

本文考虑TeV尺度下带有额外中性规范玻色子$Z'$的标准模型的一类极小阿贝尔扩张。在这些情况下,一个扩展的标量部门和重右手中微子的自然设想。我们在大型强子对撞机上展示了它们的一些引人注目的特征,最有趣的是从一个$Z'$衰变为重中微子对以及一个重标量衰变为两个标准模型希格斯粒子产生的。使用重正化群方法,我们将这些扩展的高能量行为,并利用嵌入到一个更广泛的大统一理论的情况下所施加的限制。

英文摘要:

We consider a class of minimal abelian extensions of the Standard Model with an extra neutral gauge boson $Z'$ at the TeV scale. In these scenarios an extended scalar sector and heavy right-handed neutrinos are naturally envisaged. We present some of their striking signatures at the Large Hadron Collider, the most interesting arising from a $Z'$ decaying to heavy neutrino pairs as well as a heavy scalar decaying to two Standard Model Higgses. Using renormalisation group methods, we characterise the high energy behaviours of these extensions and exploit the constraints imposed by the embedding into a wider GUT scenario.

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