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arXiv 0807.0361hep-ph
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中微子质量、暗物质和重子不对称性的无微调TeV-Scale物理研究

Neutrino mass, Dark Matter and Baryon Asymmetry via TeV-Scale Physics without Fine-Tuning

Mayumi Aoki, Shinya Kanemura, Osamu Seto

摘要:

我们提出了一个标准模型的扩展版本,其中中微子振荡,暗物质,重子不对称的宇宙可以同时解释的TeV尺度的物理,而不假设不自然的质量尺度之间的层次。由于$Z_2$的精确对称性,在三圈水平上产生了微小的中微子质量,从而保证了暗物质候选者的稳定性。额外的希格斯双重态不仅对微小的中微子质量是必需的,而且对成功的电弱重子生成也是必需的。该模型提供了歧视性的预测,特别是在希格斯现象学,使它是可测试的,在当前和未来的对撞机实验。

英文摘要:

We propose an extended version of the standard model, in which neutrino oscillation, dark matter, and baryon asymmetry of the Universe can be simultaneously explained by the TeV-scale physics without assuming unnatural hierarchy among the mass scales. Tiny neutrino masses are generated at the three loop level due to the exact $Z_2$ symmetry, by which stability of the dark matter candidate is guaranteed. The extra Higgs doublet is required not only for the tiny neutrino masses but also for successful electroweak baryogenesis. The model provides discriminative predictions especially in Higgs phenomenology, so that it is testable at current and future 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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