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arXiv 1608.02529hep-ph
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电弱三重态标量轻夸克对IceCube超高能中微子事件的影响

Implications of a Electroweak Triplet Scalar Leptoquark on the Ultra-High Energy Neutrino Events at IceCube

Nicolas Mileo, Alejandro de la Puente, Alejandro Szynkman

摘要:

我们研究了标量轻夸克在IceCube中的产生,特别是在弱相互作用下的三重态转化。电弱三重态标量的存在受到大统一模型的高度激发,也在中微子质量产生的辐射跷跷板模型中。在我们的框架下,我们扩展了标准模型的单色电弱-三重态标量轻夸克和分析它的影响的超高能中微子事件的过剩冰立方合作。我们只考虑第一代轻子和夸克的leptoquark之间的耦合,并进行统计分析,以确定最好的描述IceCube数据的参数,以及设置$95\%$ CL上限。我们分析这项研究是否仍然是最新的LHC数据和各种低能量的可观测性。

英文摘要:

We study the production of scalar leptoquarks at IceCube, in particular, a particle transforming as a triplet under the weak interaction. The existence of electroweak-triplet scalars is highly motivated by models of grand unification and also within radiative seesaw models for neutrino mass generation. In our framework, we extend the Standard Model by a single colored electroweak-triplet scalar leptoquark and analyze its implications on the excess of ultra-high energy neutrino events observed by the IceCube collaboration. We consider only couplings between the leptoquark to first generation leptons and quarks and carry out a statistical analysis to determine the parameters that best describe the IceCube data as well as set $95\%$ CL upper bounds. We analyze whether this study is still consistent with most up-to-date LHC data and various low energy observables.

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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