受 Z 物理约束的完备暗光子模型类别
高能物理 - 唯象学
2024-04-16 v4 宇宙学与河外天体物理
摘要
采用矢量门户通向暗 sector 的暗物质模型通常被视为有效理论,该理论包含光子与新的 U(1) 规范玻色子的动能混合,并将 玻色子积掉。然而,更完备的理论必须采用完整的 SU(2)U(1)U(1) 规范群,其中需考虑 玻色子与新的 U(1) 规范玻色子的动能混合。一个例子证明了更完备分析的重要性:在该例中,产生观测到的暗物质遗迹密度的有效理论参数空间与由 物理数据全局拟合推导出的适当定义的电弱 参数相冲突。
关键词
引用
@article{arxiv.2311.04976,
title = {Classes of complete dark photon models constrained by Z-Physics},
author = {Miguel P. Bento and Howard E. Haber and João P. Silva},
journal= {arXiv preprint arXiv:2311.04976},
year = {2024}
}
备注
7 pages, 1 figure; v2: clarifying remarks added at the end of Section IV and in Section V, along with additional references in Sections I and V; v3: switched to Elsevier style; v4: minor modifications to the text and references; matches published version