马约拉纳暗物质粒子的缪子通量上限
天体物理学
2009-11-06 v2 高能物理 - 唯象学
摘要
我们分析了最小行走技术色模型(MWT)所预言的暗物质(DM)粒子被太阳和地球俘获并随后湮灭的效应。我们表明,在关于局域暗物质分布值的标准假设下,超级神冈(SK)探测器对过量缪子通量的上限不利于MWT暗物质中具有受抑制标准模型相互作用(由于混合角)的质量区间100-200 GeV,以及无此抑制的MWT暗物质的质量区间0-1500 GeV。在第一种情况下,排除区间对暗物质分布参数非常敏感,并且在可接受值的极端情况下可能消失。
引用
@article{arxiv.0810.2022,
title = {Muon Flux Limits for Majorana Dark Matter Particles},
author = {Konstantin Belotsky and Maxim Khlopov and Chris Kouvaris},
journal= {arXiv preprint arXiv:0810.2022},
year = {2009}
}
备注
20 pages, 12 figures. The revised version has minor addition (without change of the result) as the following: 1) Comparison of our estimations with analogous previous ones is included in the Figure 7; a paragraph regarding it was added in Discussion. 2) The Introduction, Acknowledgements and References have been a little extended