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arXiv 2409.18513hep-phhep-ex
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狄拉克斯科托根模型的综合唯象学:新型低质量暗物质

Comprehensive Phenomenology of the Dirac Scotogenic Model: Novel Low Mass Dark Matter

Salvador Centelles Chuliá, Rahul Srivastava, Sushant Yadav

AI总结:

狄拉克斯科托根模型通过Z₆对称性保护中微子狄拉克性与暗物质稳定性,经唯象学分析(含电弱真空、轻子味破坏等)及约束考量,发现其允许新型低质量标量和费米子暗物质,区别于马约拉纳对应模型。

摘要:

狄拉克斯科托根模型提供了一种在单圈水平生成小狄拉克中微子质量的优雅机制。单一阿贝尔离散Z₆对称性同时保护中微子的“狄拉克性”和暗物质候选者的稳定性。该对称性源于所谓445 U(1)_{B-L}对称性的未破缺子群。本文深入探索该构造的唯象学意义,包括电弱真空稳定性、带电轻子味破坏及暗物质唯象学分析。考虑所有约束后,模型允许存在新型低质量标量与费米子暗物质,这一特征与其典型马约拉纳对应模型不同。

英文摘要:

The Dirac Scotogenic model provides an elegant mechanism for generating small Dirac neutrino masses at the one-loop level. A single abelian discrete $Z_{6}$ symmetry simultaneously protects the ``Diracness'' of the neutrinos and the stability of the dark matter candidate. This symmetry originates as an unbroken subgroup of the so-called 445 $U(1)_{B-L}$ symmetry. Here, we thoroughly explore the phenomenological implications of this construction, including an analysis of electroweak vacuum stability, charged lepton flavor violation, and the dark matter phenomenology. After considering all constraints, we also show that the model allows for the possibility of novel low-mass scalar and fermionic dark matter, a feature not shared by its canonical Majorana counterpart.

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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