论文标题

全球类似轴突的颗粒与异种物理数据和天体物理数据

Global fits of axion-like particles to XENON1T and astrophysical data

论文作者

Athron, Peter, Balázs, Csaba, Beniwal, Ankit, Camargo-Molina, J. Eliel, Fowlie, Andrew, Gonzalo, Tomás E., Hoof, Sebastian, Kahlhoefer, Felix, Marsh, David J. E., Prim, Markus Tobias, Scaffidi, Andre, Scott, Pat, Su, Wei, White, Martin, Wu, Lei, Zhang, Yang

论文摘要

Xenon1t实验看到的电子后坐力事件过多被解释为在太阳中产生的轴突样颗粒(ALP)的潜在信号,或者构成了银河系的暗物质光环的一部分。在实验中,它也被解释为痕量的tri量。我们考虑了来自Xenon1t数据和多个天体物理探针(包括水平分支恒星,红色巨人和白色矮人)组合的太阳和深色MARP ALP假设的证据。我们简要介绍了ALP腐烂和超新星冷却的影响。对于太阳能阿尔卑斯山的情况下,不同的数据集处于明显的张力中,但所有测量值都可以同时容纳,以占深色摩尔的亚优势分数。然而,该解决方案需要对几个先验未知参数进行调整,以便为了我们的先验选择,贝叶斯分析对Xenon1t多余的ALP解释不偏爱与背景假设相比。

The excess of electron recoil events seen by the XENON1T experiment has been interpreted as a potential signal of axion-like particles (ALPs), either produced in the Sun, or constituting part of the dark matter halo of the Milky Way. It has also been explained as a consequence of trace amounts of tritium in the experiment. We consider the evidence for the solar and dark-matter ALP hypotheses from the combination of XENON1T data and multiple astrophysical probes, including horizontal branch stars, red giants, and white dwarfs. We briefly address the influence of ALP decays and supernova cooling. While the different datasets are in clear tension for the case of solar ALPs, all measurements can be simultaneously accommodated for the case of a sub-dominant fraction of dark-matter ALPs. Nevertheless, this solution requires the tuning of several a priori unknown parameters, such that for our choices of priors a Bayesian analysis shows no strong preference for the ALP interpretation of the XENON1T excess over the background hypothesis.

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