arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1108.1973hep-ph
收藏

SUSY B-L中的右旋中微子暴胀

Right-handed Sneutrino Inflation in SUSY B-L with Inverse Seesaw

Shaaban Khalil, Arunansu Sil

摘要:

我们在标准模型的超对称B-L扩展框架下提出了一个实现暴胀的方案。我们发现其中一个相关的右手中微子(标准模型单重态费米子的超伴子)可以在树水平上提供一个新的非平凡的暴胀轨迹(因此在暴胀过程中打破B-L)。一旦暴胀结束,右手中微子就会落入超对称真空,真空期望值为零,从而恢复B-L对称性。在这类模型中,B-L规范对称性将在TeV尺度上被辐射破缺,轻中微子质量通过反跷跷板机制产生。

英文摘要:

We propose a scenario for realizing inflation in the framework of supersymmetric B-L extension of the Standard Model. We find that one of the associated right-handed sneutrinos (the superpartner of the Standard Model singlet fermion) can provide a new non-trivial inflationary trajectory at tree level (therefore breaking B-L during inflation). As soon as the inflation ends, the right-handed sneutrino falls into the supersymmetric vacuum, with a vanishing vacuum expectation value, so that B-L symmetry is restored. In this class of models, the B-L gauge symmetry will be radiatively broken at a TeV scale and light neutrino masses are generated through the inverse seesaw mechanism.

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。

↑