将与晕无关的暗物质方法从垃圾箱中取出
Taking Halo-Independent Dark Matter Methods Out of the Bin
摘要：
我们开发了一个新的光环独立的策略，分析新兴的DM提示，利用扩展的极大似然的方法。这种方法不需要对事件进行分箱，使其特别适合于分析新兴的DM直接检测提示。它确定了一个优选的信封，在给定的置信水平，为DM速度积分，最适合的数据使用所有可用的信息，甚至可以在一个单一的异常散射事件的情况下使用。然后，来自直接检测结果的所有与晕圈无关的信息可以呈现在单个图中，从而允许多个实验之间的简单比较。这导致在晕独立的模拟通常的质量和横截面图中发现的典型的直接检测分析，其中极限曲线可以与晕空间中的最佳拟合区域进行比较。该方法是简单的实施，使用已经建立的技术，其效用是通过第一个unbinned halo-independent比较CDMS-Si探测器中观察到的三个异常事件与最近的限制LUX实验证明。
英文摘要：
We develop a new halo-independent strategy for analyzing emerging DM hints, utilizing the method of extended maximum likelihood. This approach does not require the binning of events, making it uniquely suited to the analysis of emerging DM direct detection hints. It determines a preferred envelope, at a given confidence level, for the DM velocity integral which best fits the data using all available information and can be used even in the case of a single anomalous scattering event. All of the halo-independent information from a direct detection result may then be presented in a single plot, allowing simple comparisons between multiple experiments. This results in the halo-independent analogue of the usual mass and cross-section plots found in typical direct detection analyses, where limit curves may be compared with best-fit regions in halo-space. The method is straightforward to implement, using already-established techniques, and its utility is demonstrated through the first unbinned halo-independent comparison of the three anomalous events observed in the CDMS-Si detector with recent limits from the LUX experiment.
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