论文标题
捕获中子星中的暗物质
Capture of Dark Matter in Neutron Stars
论文作者
论文摘要
中子星的极端条件使其成为基本互动的理想测试设施。中子星可以通过散射捕获暗物质。由于散射，暗物质动能被转移到恒星中。观察性的后果可能是将旧的中子星变暖到近红外温度。已将不同的近似值或简化应用于捕获过程的先前分析。在本文中，我们总结了对暗物质捕获的治疗方法，该捕获适当地解释了各种暗物质质量的所有相关物理效果。其中包括重力聚焦，完全相对论的散射处理，保利阻塞，中子恒星不透明度和多重散射效应。本文引用了一般表达式，允许捕获率进行数值计算，并为特定类型的相互作用或质量制度的简化表达式，这大大提高了计算的效率。由于我们的方法，我们能够对任何中子恒星组成部分以及其他紧凑物体中暗物质的散射进行建模。我们的结果应用于中子，质子，瘦素和异国气囊的暗物质散射。
The extreme conditions in Neutron Stars make them ideal test facilities for fundamental interactions. A Neutron Star can capture Dark Matter via scattering. As a result of the scattering, Dark Matter kinetic energy is transferred to the star. An observational consequence of this can be the warming of old neutron stars to near-infrared temperatures. Different approximations or simplifications have been applied to previous analyses of the capture process. In this article, we summarise a significantly improved treatment of Dark Matter capture, which properly accounts for all relevant physical effects over a wide range of Dark Matter masses. Among them are gravitational focusing, a fully relativistic scattering treatment, Pauli blocking, neutron star opacity and multiple scattering effects. This paper cites general expressions that allow the capture rate to be computed numerically, and simplified expressions for particular types of interactions or mass regimes, which greatly increase the efficiency of computation. As a result of our method, we are able to model the scattering of Dark Matter from any neutron star constituent as well as the capture of Dark Matter in other compact objects. Our results are applied to scattering of Dark Matter from neutrons, protons, leptons and exotic baryons.
