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arXiv 2003.11494hep-ph
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来自中微子质量模型的长寿命带电粒子和多轻子特征

Long-lived charged particles and multi-lepton signatures from neutrino mass models

Carolina Arbeláez R, Giovanna Cottin, Juan Carlos Helo, Martin Hirsch

摘要:

LHC合作组通常采用同号双轻子加喷注特征来寻找轻子数破坏。在本文中,我们讨论了LNV的多轻子信号,可以出现在实验上有趣的速率在某些环模型的中微子质量产生。有趣的是,在这样的模型中,观测到的活动中微子质量很小,加上最终态的高度多重性,导致在这样的模型的大部分可行参数空间中预测长寿命带电粒子,在探测器中留下高度电离的轨道。在这门课中,我们将着重讨论一个特殊的单圈中微子质量模型,并详细讨论它的LHC现象。

英文摘要:

Lepton number violation (LNV) is usually searched for by the LHC collaborations using the same-sign di-lepton plus jet signature. In this paper we discuss multi-lepton signals of LNV that can arise with experimentally interesting rates in certain loop models of neutrino mass generation. Interestingly, in such models the observed smallness of the active neutrino masses, together with the high-multiplicity of the final states, leads in large parts of the viable parameter space of such models to the prediction of long-lived charged particles, that leave highly ionizing tracks in the detectors. We focus on one particular 1-loop neutrino mass model in this class and discuss its LHC phenomenology in some detail.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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