论文标题
带电的希格斯在LHC的重中微子诱导了5和6个Lepton签名
Charged Higgs induced 5 and 6 lepton signatures from heavy neutrinos at the LHC
论文作者
论文摘要
我们提出了SM的一个无异常计量的U $（1）$扩展，其中介绍了三个右手的重中微子，被介绍在一般U $（1）$量规组下，以解释一般U $（1）$对称性后，通过瑟索机械质量来解释小型中微子质量的起源。由于将一般U $（1）$对称打破，超出了标准模型玻色子$ z^\ prime $获得质量的中性。在此模型中，有两个Higgs双重功能，其中一个与SM费米子相互作用，另一个与右手的重中微子和带电的瘦素相互作用。第二个希格斯的带电的多重体可以完全腐烂到沉重的中微子中，并在模型参数的中性粒细胞极限中充电。除中性的SM仪表玻色子外，还由于在高光度LHC（HL-LHC）处存在$ Z^\ Prime $ Boson，这可能会影响带电的Higgs对生产。两人将带电的希格斯玻色子腐烂成SM带电的瘦叶和沉重的中微子。在重型中微子的领先衰减模式下，在充电的瘦叶子和$ w $玻色子中，我们研究了5和6 Lepton的最终状态，此后，考虑到最终状态下仅使用MUONS和电子的$ W $ Bosons的Leptonic and Hadronic衰变。结合了电子和MUON最终状态，我们估计$ m_ {h^\ pm} -m_n $平面在$ m_ {z^\ prime} $的不同基准点$的$ m_ {h^\ pm} -mm_n $平面中的5和6带电过程的重要性。发现可以在高光度LHC（HL-LHC）中探测5（6）个带电的Lepton过程，至少5（3）$σ$含义，并且在某些参数区域中，显着性可能更大。
We propose an anomaly free gauged U$(1)$ extension of the SM where three right handed heavy neutrinos, being charged under the general U$(1)$ gauge group, are introduced to explain the origin of the tiny neutrino mass through the seesaw mechanism after the general U$(1)$ symmetry is broken. Due to the breaking of the general U$(1)$ symmetry a neutral beyond the standard model gauge boson $Z^\prime$ acquires mass. There are two Higgs doublets in this model where one interacts with the SM fermions and the other one interacts with the right handed heavy neutrinos and charged leptons. The charged multiplet of the second Higgs can completely decay into the heavy neutrinos and charged lepton in the neutrinophilic limit of the model parameters. The charged Higgs pair production can be influenced due to presence of the $Z^\prime$ boson at the High Luminosity LHC (HL-LHC) in addition to the neutral SM gauge bosons. The pair produced charged Higgs bosons decay into SM charged leptons and heavy neutrinos. Following the leading decay modes of the heavy neutrinos into charged leptons and $W$ boson we study the 5 and 6 lepton final states after the leptonic and hadronic decay of the $W$ bosons considering solely muons and electrons in the final state. Combining the electron and muon final states we estimate the significance of the 5 and 6 charged lepton processes in the $m_{H^\pm}-m_N$ plane for different benchmark points of $m_{Z^\prime}$. It is found that the 5 (6) charged lepton processes could be probed at the High Luminosity LHC (HL-LHC) with at least 5 (3) $σ$ significance and there are parameter regions where the significance could be larger.
