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arXiv 1104.0178hep-phastro-ph.COastro-ph.HE
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来自D4xZ2风味组的暗物质的稳定性

Stability of dark matter from the D4xZ2 flavor group

D. Meloni, S. Morisi, E. Peinado

摘要:

我们研究了一个模型的基础上的二面角群D4中的暗物质是稳定的残余Z2对称性之间的相互作用,相同的自发破缺的非阿贝尔群,和辅助Z2介绍,以消除不必要的耦合的标量势。在轻子部分,该模型仅与正常层次兼容,并预测反应堆混合角消失。由于m1=0,我们也有一个简单的预测的有效质量的太阳角。在模型参数空间中也存在一大部分不违反轻子味破坏过程的上界。我们将夸克在同一计划中发现的CKM混合矩阵的描述是可能的,半轻子K和D衰变介导的味道改变中性电流的控制。

英文摘要:

We study a model based on the dihedral group D4 in which the dark matter is stabilized by the interplay between a remnant Z2 symmetry, of the same spontaneously broken non-abelian group, and an auxiliary Z2 introduced to eliminate unwanted couplings in the scalar potential. In the lepton sector the model is compatible with normal hierarchy only and predicts a vanishing reactor mixing angle. Since m1=0, we also have a simple prediction for the effective mass in terms of the solar angle. There also exists a large portion of the model parameter space where the upper bounds on lepton flavor violating processes are not violated. We incorporate quarks in the same scheme finding that a description of the CKM mixing matrix is possible and that semileptonic K and D decays mediated by flavour changing neutral currents are under control.

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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