论文标题

毕生边界中电子中微子模型的Electroweak量表的前景

Prospect of the Electroweak Scale Right-handed neutrino model in the Lifetime Frontier

论文作者

Chakdar, Shreyashi, Hung, P. Q

论文摘要

在LHC后HIGGS时代的BSM搜索的无效结果中,我们当前的方法是寻找从理论驱动的搜索策略转变为签名驱动的物理学的新物理学。一个可能的方向可能来自研究通过新形成的终身前沿中各种理论场景中存在的长寿命颗粒(LLP)。在这次演讲中,我讨论了一个由EW规模的主要群众组成的非右手中微子模型,该模型的信号具有较大的位移顶点,在费米昂和标量扇区中都出现。该模型中的特征特征,位移的顶点,即与质子相互作用点分离的位置的几个带电轨道必须大于mm,并且可以长于几厘米。这些事件起源于镜像效率的衰减,由于背景较低,在LHC环境中产生了有希望的特征。我们讨论了该框架中的实验含义和可能的搜索策略,以及LHCS的潜力来揭示这些基本事件。

Motivated by the null results of the BSM searches in the post-Higgs era of the LHC, our current approach is to look for new physics shifting from theory driven search strategies to signature driven ones. One possible direction might come from investigating the long-lived particles (LLPs) present in various theoretical scenarios through the newly formed Lifetime frontier. In this talk, I discuss a non-sterile right-handed neutrino model consisting of EW-scale Majorana masses, having signals with large displaced vertices arising in both the fermion and scalar sectors. The characteristic features in this model, the displaced vertices, i.e. several charged tracks originating from a position separated from the proton interaction point has to be greater than a mm and can be as long as order of centimeters. These events originating from the decays of the mirror fermions produce promising signatures at the LHC environment due to the low associated backgrounds. We discuss the experimental implications and possible search strategies in this framework and LHCs potential to unravel these underlying events.

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