论文标题

在黑暗中搜索光:与光学缪斯女神的界限

Searching for Light in the Darkness: Bounds on ALP Dark Matter with the optical MUSE-Faint survey

论文作者

Regis, Marco, Taoso, Marco, Vaz, Daniel, Brinchmann, Jarle, Zoutendijk, Sebastiaan L., Bouché, Nicolas F., Steinmetz, Matthias

论文摘要

我们使用Muse Spectroscic观察到470至935 nm之间的矮球星系狮子座,以寻找轴突(如颗粒)(Alps)的辐射衰变。在Alps构成Leo T Halo的暗物质成分的假设下,我们在有效的Alp-Two-Photon耦合上得出边界。在ALP质量范围2.7-5.3 eV中,我们将现有限制提高了多个数量级。

We use MUSE spectroscopic observations of the dwarf spheroidal galaxy Leo T between 470 and 935 nm to search for radiative decays of axion like particles (ALPs). Under the assumption that ALPs constitute the dark matter component of the Leo T halo, we derive bounds on the effective ALP-two-photon coupling. We improve existing limits by more than one order of magnitude in the ALP mass range 2.7-5.3 eV.

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