中微子“BSM能隙”的闭合：DUNE上大气回旋μ子的物理势
Closing the Neutrino "BSM Gap": Physics Potential of Atmospheric Through-Going Muons at DUNE
摘要：
许多超标准模型的物理特征在高能中微子相互作用中得到增强。为了探索这些特征，超大型切伦科夫探测器（如IceCube）利用带电电流μ子中微子相互作用> 1 TeV的事件样本。这些相互作用中的大多数发生在探测器体积之下，并产生进入探测器的μ子。然而，探测器之间的大间距导致测量能量低于或接近400 GeV临界能量的μ子的效率低下。作为回应，IceCube在更大的探测器内建立了一个密集的仪器区域。这提供了包含在密集仪器区域内的大量重构相互作用的样本，扩展到~50 GeV的能量。这就在超大型探测器中留下了能量在50 GeV到1 TeV之间的相对未被探索的大气中微子事件的空白。在本文中，我们指出，有趣的超越标准模型的签名可能会出现在这个能量窗口，和早期运行的沙丘远探测器可以洞察新的物理，可能会出现在这个范围内。
英文摘要：
Many Beyond-Standard Model physics signatures are enhanced in high-energy neutrino interactions. To explore these signatures, ultra-large Cherenkov detectors such as IceCube exploit event samples with charged current muon neutrino interactions > 1 TeV. Most of these interactions occur below the detector volume, and produce muons that enter the detector. However, the large spacing between detectors leads to inefficiency for measuring muons with energies below or near the critical energy of 400 GeV. In response, IceCube has built a densely instrumented region within the larger detector. This provides large samples of well-reconstructed interactions that are contained within the densely instrumented region, extending up to energies of ~50 GeV. This leaves a gap of relatively unexplored atmospheric-neutrino events with energies between 50 GeV and 1 TeV in the ultra-large detectors. In this paper we point out that interesting Beyond Standard Model signatures may appear in this energy window, and that early running of the DUNE far detectors can give insight into new physics that may appear in this range.
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