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arXiv 2008.03150hep-ph
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衰变无菌中微子模型中XENON1T过剩的解释

Interpretation of the XENON1T excess in the model with decaying sterile neutrinos

V. V. Khruschov

摘要:

用三个活跃中微子和三个惰性中微子的唯象模型解释了在1 - 7 keV能区观察到的XENON 1 T过量电子反冲事件。假设两个质量合适的无菌中微子衰变,而第三个无菌中微子是稳定的,就有可能解释观察到的电子反冲事件的能谱。此外,使用这种方法在1 - 7 keV的能量范围内的三个峰进行了预测。暗玻色子只需要在很小的程度上与这个区域中发射的光子混合。这三个轻不育中微子的存在可能对中微子物理、天体物理和宇宙学中的一些现象产生影响。

英文摘要:

The phenomenological model with three active and three sterile neutrinos is used for interpretation of the observed XENON1T excess of electronic recoil events in the 1 -- 7 keV energy region. Assuming two sterile neutrinos with appropriate mass values decay while the third sterile neutrino is stable it is possible to explain the observed energy spectrum of electronic recoil events. Moreover using this approach three peaks in the 1 -- 7 keV energy region are predicted. Dark bosons have to mix to only a small extent with photons which can be emitted in this region. The possible existence of the three light sterile neutrinos may have perceptible influence on some phenomena in neutrino physics, astrophysics and cosmology.

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