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arXiv 1902.06205hep-ph
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具有整体$U(1)_H$对称性的反跷跷板模型

An inverse seesaw model with global $U(1)_H$ symmetry

Ujjal Kumar Dey, Takaaki Nomura, Hiroshi Okada

摘要:

我们提出了一个基于隐藏全局对称性$U(1)_H$的反跷跷板模型,在这个模型中,我们以相当自然的方式实现了微小的中微子质量,并考虑了相关的实验界限。反跷跷板机制的小Majorana质量是通过三重态标量场的小真空期望值诱导的,三重态标量场的Yukawa与标准模型费米子的相互作用由$U(1)_H$控制.我们讨论了模型中存在的奇异粒子的现象学,包括来自全局对称性破缺的Goldstone玻色子,并探讨了在大型强子对撞机实验中的可检验性。

英文摘要:

We propose an inverse seesaw model based on hidden global symmetry $U(1)_H$ in which we realize tiny neutrino masses with rather natural manner taking into account relevant experimental bounds. The small Majorana mass for inverse seesaw mechanism is induced via small vacuum expectation value of a triplet scalar field whose Yukawa interactions with standard model fermions are controlled by $U(1)_H$. We discuss the phenomenology of the exotic particles present in the model including the Goldstone boson coming from breaking of the global symmetry, and explore testability at the Large Hadron Collider experiments.

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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