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首页> 外文期刊>Chinese Physics, C. High Energy Physics and Nuclear Physics >Neutrino masses, cosmological inflation and dark matter in a variant U(1)B-L model with type II seesaw mechanism
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Neutrino masses, cosmological inflation and dark matter in a variant U(1)B-L model with type II seesaw mechanism

机译:中微子群众,宇宙膨胀和暗物质中的型号U(1)B-L型号II型跷跷板机制

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摘要

In this study, we implemented the type II seesaw mechanism into the framework of the gauge model. To achieve this, we added a scalar triplet, , to the canonical particle content of the gauge model. By imposing that the gauge symmetry be spontaneously broken at TeV scale, we show that the type II seesaw mechanism is realized at an intermediate energy scale, more precisely, at approximately GeV. To prevent heavy right-handed neutrinos from disturbing the mechanism, we evoke a discrete symmetry. Interestingly, as a result, we have standard neutrinos with mass around eV scale and right-handed neutrinos with mass in TeV scale, with the lightest one fulfilling the condition of dark matter. We developed all of these in this study. In addition, we show that the neutral component of may perform unproblematic non-minimal inflation with loss of unitarity.
机译:在这项研究中,我们将II型跷跷板机制实施到规范模型的框架中。 为了实现这一目标,我们添加了标量三联体,到了规范颗粒含量的规范模型。 通过强加仪表对称在TEV规模自发地破碎,我们表明II型跷跷板机构以中间能量尺度实现,更精确地在大约GEV实现。 为了防止重型右手中微子扰乱机制,我们唤起了一个离散的对称性。 有趣的是,由于,我们在EV规模和右手中微子围绕TEV规模弥补的标准中微子,具有最轻的一个,符合暗物质的条件。 我们在这项研究中开发了所有这些。 此外,我们表明,中立组分可以通过统一性的丧失来表现出未伪造的非最小通胀。

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