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arXiv 2311.09883hep-ph
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最小逆跷跷板中利用 $A_4$ 模对称性的轻子生成与暗物质

Leptogenesis and dark matter in minimal inverse seesaw using $A_4$ modular symmetry

Jotin Gogoi, Lavina Sarma, Mrinal Kumar Das

AI总结:

本研究在最小逆跷跷板模型中引入标量三重态,结合 $A_4$ 模对称性,成功解释了中微子质量与混合,并满足轻子生成、暗物质及无中微子双β衰变的实验约束。

摘要:

在本文中,我们通过向最小逆跷跷板的粒子内容中添加标量三重态 $\eta$ 来研究中微子质量和混合。我们通过实现同构模群 $\Gamma(3)$ 和非阿贝尔离散对称群 $A_4$ 来实现最小逆跷跷板的这种扩展。我们还使用了 $Z_3$ 对称群来限制模型拉格朗日量中的某些相互作用项。我们在工作中研究了宇宙的重子不对称性、无中微子双β衰变和暗物质。为了检验我们的模型与各种实验约束的一致性,我们因此计算了有效质量、遗迹密度和通过轻子生成产生的重子生成。有趣的是,我们发现我们的模型与实验界限相当兼容,并且也成功地在 3$\sigma$ 范围内产生了中微子质量和混合。

英文摘要:

In this paper we have studied neutrino masses and mixings by adding a scalar triplet $η$ to the particle content of minimal inverse seesaw. We have realised this extension of minimal inverse seesaw by implementing an isomorphic modular group $Γ(3)$ and a non-abelian discrete symmetry group $A_4$. We have also used $Z_3$ symmetry group to restrain certain interaction terms in the lagrangian of the model. We have studied baryon asymmetry of the universe, neutrinoless double-beta decay and dark matter in our work. In order to check the consistency of our model with various experimental constraints, we have therefore calculated effective mass, relic density and baryogenesis via leptogenesis. Interestingly, we have found our model quite compatible with the experimental bounds and is also successful in producing the neutrino masses and mixings in the 3$σ$ range.

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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