Abstract We propose an attractive model that excess of electron recoil events around 1-5 keV reported by the XENON1T collaboration nicely links to the tiny neutrino masses based on a radiative seesaw scenario. Our dark matter (DM) is an isospin singlet inert boson that plays an role in generating non-vanishing neutrino mass at one-loop level, and this DM inelastically interacts with a pair of electrons at one-loop level that is required to explain the XENON1T anomaly. It is also demanded that the mass difference between an excited DM and DM has to be of the order keV. Interestingly, the small mass difference ∼keV is proportional to the neutrino masses. It suggests that we have double suppressions through the tiny mass difference and the one-loop effect. Then, we show some benchmark points to explain the XENON1T anomaly, satisfying all the constraints such as the event ratio of electrons of XENON1T, a long lived particle be longer than the age of Universe, and relic density in addition to the neutrino oscillation data and lepton flavor violations (LFVs).

中文翻译：

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与 XENON1T 异常相关的辐射跷跷板模型

摘要 我们提出了一个有吸引力的模型，XENON1T 合作报告的 1-5 keV 左右的过量电子反冲事件很好地与基于辐射跷跷板场景的微小中微子质量相关联。我们的暗物质 (DM) 是一种同位旋单线态惰性玻色子，它在单环水平上产生不消失的中微子质量方面发挥作用，并且这种 DM 与单环水平上的一对电子非弹性地相互作用，这需要解释XENON1T异常。还要求激发的 DM 和 DM 之间的质量差必须为 keV 级。有趣的是，小的质量差∼keV 与中微子的质量成正比。这表明我们通过微小的质量差异和单回路效应进行了双重抑制。然后，我们展示了一些基准点来解释 XENON1T 异常，