从卫星实验中约束超对称性
Constraining supersymmetry from the satellite experiments
摘要：
本文利用星载实验EGRET和GLAST研究了银河系暗晕中暗物质湮灭产生的$γ$射线的可探测性。我们在标准模型的超对称扩展框架下工作，并假设最轻的中性伴子是暗物质粒子。基于暗物质晕演化的N体模拟，我们首先用中性伴子湮没方法计算了这类新的$γ$射线源的平均强度分布。用EGRET和GLAST探测这些$γ$射线源是可能的。相反，如果这些来源没有被检测到的暗物质粒子的性质将受到这些实验的限制，然而，这取决于晕下轮廓的不确定性。
英文摘要：
In this paper we study the detectability of $γ$-rays from dark matter annihilation in the subhalos of the Milky Way by the satellite-based experiments, EGRET and GLAST. We work in the frame of supersymmetric extension of the standard model and assume the lightest neutralino being the dark matter particles. Based on the N-body simulation of the evolution of dark matter subhalos we first calculate the average intensity distribution of this new class of $γ$-ray sources by neutralino annihilation. It is possible to detect these $γ$-ray sources by EGRET and GLAST. Conversely, if these sources are not detected the nature of the dark matter particls will be constrained by these experiments, which, however, depending on the uncertainties of the subhalo profile.
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