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arXiv 1611.04571hep-ph
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三族左右对称低比例跷跷板机构

Three-family left-right symmetry with low-scale seesaw mechanism

Mario Reig, José W. F. Valle, C. A. Vaquera-Araujo

摘要:

我们提出了一个新的左右对称模型,实现了一个低尺度的跷跷板机制,量子一致性需要三个家庭的费米子。通向标准模型的对称破缺路线决定了“下一个”预期的新物理学的轮廓,其特征要么是最简单的左右规范对称性,要么是3-3-1方案。由此产生的$Z^\prime$规范玻色子可以在大型强子对撞机上进行探测,并为右手中微子的产生提供一个入口。另一方面,它的变味相互作用会影响K、D和B中性介子系统。

英文摘要:

We suggest a new left-right symmetric model implementing a low-scale seesaw mechanism in which quantum consistency requires three families of fermions. The symmetry breaking route to the Standard Model determines the profile of the "next" expected new physics, characterized either by the simplest left-right gauge symmetry or by the 3-3-1 scenario. The resulting $Z^\prime$ gauge bosons can be probed at the LHC and provide a production portal for the right-handed neutrinos. On the other hand, its flavor changing interactions would affect the K, D and B neutral meson systems.

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