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arXiv 2111.03357hep-ph
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中微子望远镜中的惰性中微子

Sterile neutrinos with neutrino telescopes

Carlos A. Argüelles, Jordi Salvado

摘要:

对轻无菌中微子的研究是由在短基线实验中意外观察到电子中微子出现而激发的,例如液体闪烁中微子探测器(LSND)和迷你助推器中微子实验(MiniBooster Neutrino Experiment)。鉴于这些意想不到的结果,一项利用自然和人为来源寻找光-质量平方差约为1 eV $^{2}$ -无菌中微子的活动正在进行中。在天然来源中,大气中微子提供了一个独特的门户,以寻找无菌中微子由于广泛的基线能量比,$L/E$,并存在显着的物质效应。由于大气中微子通量随能量迅速下降,研究其最高能量成分需要十亿吨级中微子探测器。这些探测器-通常被称为中微子望远镜,因为它们被设计用于观察微小的天体物理中微子通量-已经进行了光无菌中微子的搜索,迄今为止没有发现任何重要的信号。本文简要介绍了利用中微子望远镜在固态和液态水中寻找轻贫中微子的现状。

英文摘要:

Searches for light sterile neutrinos are motivated by the unexpected observation of electron neutrino appearance in short-baseline experiments, such as the Liquid Scintillator Neutrino Detector (LSND) and the Mini Booster Neutrino Experiment (MiniBooNE). In light of these unexpected results, a campaign using natural and anthropogenic sources to find light -- mass-squared-difference around 1 eV$^{2}$ -- sterile neutrinos is underway. Among the natural sources, atmospheric neutrinos provide a unique gateway to search for sterile neutrinos due to the broad range of baseline-to-energy ratios, $L/E$, and the presence of significant matter effects. Since the atmospheric neutrino flux rapidly falls with energy, studying its highest energy component requires gigaton-scale neutrino detectors. These detectors -- often known as neutrino telescopes since they are designed to observe tiny astrophysical neutrino fluxes -- have performed searches for light sterile neutrinos and have found no significant signal to date. This brief review summarizes the current status of searches for light sterile neutrinos with neutrino telescopes deployed in solid and liquid water.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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