中文

赝 Nambu-Goldstone 暗物质:直接探测截面消失的实例

高能物理 - 唯象学 2019-06-11 v3

摘要

我们考虑暗物质-核子相互作用被自然压低的情形。我们明确表明,若对暗 sector 施加若干软破缺对称性,则通过用若干单态扩充标准模型标量 sector 可导出消失的直接探测截面。特别地,若所述对称性为 SU(2)SU(2)SU(N)SU(N))与 U(1)×SNU(1) \times S_N,则所产生的赝 Nambu-Goldstone 玻色子可构成宇宙的暗物质,同时自然解释核反冲实验中的信号缺失。

关键词

引用

@article{arxiv.1901.09751,
  title  = {Pseudo Nambu-Goldstone Dark Matter: Examples of Vanishing Direct Detection Cross Section},
  author = {Dimitrios Karamitros},
  journal= {arXiv preprint arXiv:1901.09751},
  year   = {2019}
}

备注

13 pages, 1 figure, v2: references added. v3: estimate and comments on the 1-loop direct detection cross section added, clarified some points in the minimization of the potentials. Version published in Phys. Rev. D