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arXiv 1902.06185hep-exhep-ph
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IceCube无菌中微子微球

IceCube Sterile Neutrino Searches

B. J. P. Jones

摘要:

短基线实验中的异常现象被解释为额外中微子质量状态的证据,这些中微子质量状态与已知的活性味道有很大的质量分裂。这种解释要求在μ子中微子消失通道中有一个相应的签名,这还有待观察。目前,在冰立方中微子望远镜上对μ介子中微子消失的观测提供了eV尺度无菌中微子混合角空间中最强的限制。超大体积中微子望远镜(VLVnT)研讨会的这一程序总结了IceCube对无菌中微子的搜索分析,并描述了正在进行的增强,高统计无菌中微子搜索的工作。

英文摘要:

Anomalies in short baseline experiments have been interpreted as evidence for additional neutrino mass states with large mass splittings from the known, active flavors. This explanation mandates a corresponding signature in the muon neutrino disappearance channel, which has yet to be observed. Searches for muon neutrino disappearance at the IceCube neutrino telescope presently provide the strongest limits in the space of mixing angles for eV-scale sterile neutrinos. This proceeding for the Very Large Volume Neutrino Telescopes (VLVnT) Workshop summarizes the IceCube analyses that have searched for sterile neutrinos and describes ongoing work toward enhanced, high-statistics sterile neutrino searches.

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