反夸克金块作为暗物质：新的限制和探测前景
Antiquark nuggets as dark matter: New constraints and detection prospects
摘要：
目前宇宙中存在暗物质的证据并不排除由质量范围很大的束缚夸克或反夸克组成的重复合核密度物体。在这里，我们分析了一个这样的方案，假设反夸克块金的范围为log 10（B）= 24-30的光谱发射率通过与正常物质的相互作用的具体预测。我们发现，如果这些对象构成了大部分的暗物质密度在太阳附近，它们的辐射效率在固体中的边际约束，由于限制从地球的总地热能预算。在允许的辐射效率下，这些物体的数量密度可以被限制在远低于暗物质密度，这是通过现有的无线电数据在目前不受其他方法限制的质量范围内进行的。
英文摘要：
Current evidence for dark matter in the universe does not exclude heavy composite nuclear-density objects consisting of bound quarks or antiquarks over a significant range of masses. Here we analyze one such proposed scenario, which hypothesizes antiquark nuggets with a range of log10(B) = 24-30 with specific predictions for spectral emissivity via interactions with normal matter. We find that, if these objects make up the majority of the dark matter density in the solar neighborhood, their radiation efficiency in solids is marginally constrained, due to limits from the total geothermal energy budget of the Earth. At allowed radiation efficiencies, the number density of such objects can be constrained to be well below dark matter densities by existing radio data over a mass range currently not restricted by other methods.
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