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arXiv 2107.14296hep-exhep-ph
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中微子与ANTARES和KM3NeT-ORCA的非标准相互作用研究

Search for neutrino non-standard interactions with ANTARES and KM3NeT-ORCA

J. J. Hernández Rey, N. R. Khan Chowdhury, J. Manczak, S. Navas, J. D. Zornoza

摘要:

中微子在物质中传播过程中的非标准相互作用会导致标准3-中微子框架中预期的中微子振荡出现显著偏差。这些额外的相互作用将导致中微子望远镜可观测到的异常中微子通量。位于地中海深渊的ANTARES探测器及其下一代继任者KM 3 NeT有可能测量来自非标准中微子相互作用的中微子振荡中的次主导效应。在这方面的贡献,一个可能性为基础的搜索与10年的大气μ介子中微子数据记录与ANTARES报告和敏感性预测为KM 3 NeT/ORCA,现实的探测器模拟的基础上,显示。在NSI $μ- τ$扇区中使用ANTARES获得的界限构成了迄今为止最严格的界限。

英文摘要:

Non-standard interactions (NSIs) in the propagation of neutrinos in matter can lead to significant deviations in neutrino oscillations expected within the standard 3-neutrino framework. These additional interactions would result in an anomalous flux of neutrinos observable at neutrino telescopes. The ANTARES detector and its next-generation successor, KM3NeT, located in the abyss of the Mediterranean Sea, have the potential to measure sub-dominant effects in neutrino oscillations, coming from non-standard neutrino interactions. In this contribution, a likelihood-based search for NSIs with 10 years of atmospheric muon-neutrino data recorded with ANTARES is reported and sensitivity projections for KM3NeT/ORCA, based on realistic detector simulations, are shown. The bounds obtained with ANTARES in the NSI $μ- τ$ sector constitute the most stringent limits up to date.

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